EB2-3SNU-L

更新时间:2024-09-18 18:33:23
品牌:KEMET
描述:Power/Signal Relay

EB2-3SNU-L 概述

Power/Signal Relay 功率/信号继电器

EB2-3SNU-L 规格参数

生命周期:ActiveReach Compliance Code:compliant
ECCN代码:EAR99风险等级:5.64
Is Samacsys:N继电器类型:POWER/SIGNAL RELAY
Base Number Matches:1

EB2-3SNU-L 数据手册

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Miniature Signal Relays  
EA2/EB2 Series  
Overview  
Applications  
The KEMET EA2/EB2 miniature signal relays offer a  
compactꢀcaseꢀsizeꢀinꢀaꢀflatꢀpackage.ꢀMinimalꢀboardꢀspaceꢀ  
is consumed with either a through-hole or surface mount  
configuration.ꢀTheseꢀrelaysꢀareꢀrecognizedꢀbyꢀULꢀandꢀCSA,ꢀ  
while also being compliant with Part 68 of the FCC’s 1,500  
V surge capacity.  
• Electronic switching systems  
• PBX  
• Terminal equipment  
• Telephone systems  
Benefits  
• Low power consumption (< 200 mW)  
• Compact and lightweight  
• Low magnetic interference  
• Breakdown voltage: 1,000 VAC (1,500 VAC surge),  
FCC Part 68 compliant  
• Tube or embossed tape and reel packaging  
•ꢀ ULꢀrecognizedꢀ(E73266)ꢀandꢀCSAꢀcertifiedꢀ(LR46266)  
• Surface mount and through-hole options  
Part Number System  
EB2-  
3
S
NU  
-L  
Series  
Coil Voltage  
Latch Type  
Lead Type  
Packaging  
EA2- = Through-hole mount  
EB2- = Surface mount  
3 = 3 VDC  
4.5 = 4.5 VDC  
5 = 5 VDC  
Blank = Non-latch type  
S = Single coil latch type  
T = Double coil latch type  
NU = Standard  
Blank = Tube  
-L = Embossed tape on reel  
12 = 12 VDC  
24 = 24 VDC  
One world. One KEMET  
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com  
R7001_EA2_EB2 • 8/8/2017  
1
Miniature Signal Relays – EA2/EB2 Series  
Dimensions – Millimeters  
EA2 Series  
B Maꢁiꢂuꢂ  
ꢀ Maꢁiꢂuꢂ  
ꢇ Maꢁiꢂuꢂ  
ꢃꢄꢅꢅ  
ꢃꢄ2ꢆ  
ꢃꢄꢆ  
2  
ꢉ  
ꢋeneral tꢌleranꢍeꢎ ꢏꢃꢄ2  
EB2 Series  
ꢂ Maꢀiꢁuꢁ  
B Maꢀiꢁuꢁ  
ꢃ Maꢀiꢁuꢁ  
ꢉꢇ2ꢈ  
ꢉꢇꢈ  
ꢆ  
ꢊeneral tꢋleranꢌeꢍ ꢎꢉꢇ2  
2  
ꢆꢆꢇꢈ  
Series  
D
H
B
P1  
P2  
K
EA2 (NU)  
EB2  
14.2  
14.3  
5.4  
7.5  
9.2  
9.3  
2.54  
2.54  
7.62  
7.62  
3.5  
1.35  
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com  
R7001_EA2_EB2 • 8/8/2017  
2
Miniature Signal Relays – EA2/EB2 Series  
Pin Configurations  
Bottom view  
Single ꢊꢋil latꢊꢎ tyꢏe  
ꢐReset ꢏꢋsitiꢋnꢑ  
ꢉꢋuꢗle ꢊꢋil latꢊꢎ tyꢏe  
ꢐReset ꢏꢋsitiꢋnꢑ  
ꢘꢋnꢕlatꢊꢎ tyꢏe  
ꢐꢘꢋnꢕenergiꢙeꢚ ꢏꢋsitiꢋnꢑ  
2
2
Set ꢊꢋil  
2
ꢖ ꢕ  
S R  
ꢕ ꢖ  
ꢀꢄ  
ꢀꢄ  
Sꢒ ꢓꢋil ꢏꢋlarity ꢔꢋr Set  
Rꢒ ꢓꢋil ꢏꢋlarity ꢔꢋr Reset  
ꢀꢄ  
Reset ꢊꢋil  
Safety Standards and Ratings  
Certification Body  
Mark  
Specification  
File Number  
Rating  
UL Recognized  
(UL508)1  
UL  
E73266  
30 VDC, 1 A (resistive)  
110 VDC, 0.3 A (resistive)  
125 VAC, 0.5 A (resistive)  
CSAꢀCertified  
(CSA 22.2 #14)  
CSA  
LR46266  
1 Spacing: UL114, UL478  
Environmental Compliance  
All KEMET relays are RoHS Compliant.  
RꢀꢁS ꢂꢀꢃꢄliant  
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com  
R7001_EA2_EB2 • 8/8/2017  
3
Miniature Signal Relays – EA2/EB2 Series  
Table 1 – Ratings & Part Number Reference  
Part Number  
Nominal Coil Voltage (VDC)  
Lead Type  
Packaging  
EA2-3(1)NU  
EA2-4.5(1)NU  
EA2-5(1)NU  
3
4.5  
5
Radial  
Radial  
Radial  
Tube  
Tube  
Tube  
EA2-12(1)NU  
EA2-24(1)NU  
EB2-3(1)NU  
EB2-4.5(1)NU  
EB2-5(1)NU  
EB2-12(1)NU  
EB2-24(1)NU  
EB2-3(1)NU-L  
EB2-4.5(1)NU-L  
EB2-5(1)NU-L  
EB2-12(1)NU-L  
EB2-24(1)NU-L  
12  
24  
3
4.5  
5
12  
24  
3
4.5  
5
Radial  
Radial  
Tube  
Tube  
Tube  
Tube  
Tube  
Tube  
Tube  
Surface Mount  
Surface Mount  
Surface Mount  
Surface Mount  
Surface Mount  
Surface Mount  
Surface Mount  
Surface Mount  
Surface Mount  
Surface Mount  
Tape on Reel  
Tape on Reel  
Tape on Reel  
Tape on Reel  
Tape on Reel  
12  
24  
(1) To complete KEMET part number, leave blank for Non-latch, insert S for Single coil, or T for Double coil. Designates latch type.  
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com  
R7001_EA2_EB2 • 8/8/2017  
4
Miniature Signal Relays – EA2/EB2 Series  
Land Pattern – Millimeters  
EA2 (bottom view)  
EB2 (bottom view)  
ꢄꢀꢅ  
ꢃꢄ – ꢇ ꢄꢀꢈ  
2ꢀꢁꢂ  
2ꢀꢁꢂ  
2ꢀꢃꢂ  
ꢃꢄꢀꢃꢅ  
ꢉeneral tꢊleranꢋeꢌ ꢍꢄꢀꢃ  
ꢄꢅꢀꢄꢆ  
ꢇeneral tꢈleranꢉeꢊ ꢋꢅꢀꢄ  
Soldering Process  
EA2 – Through-hole Mounting  
Automatic Soldering  
Preheating: 110–120°C/110 seconds (maximum)  
Solder temperature: 260°C maximum  
Solder time: 5 seconds maximum  
Note: KEMET recommends cooling down a printed circuit board to less than 110°C within 40 seconds after soldering.  
Manual Soldering  
Solder temperature: 350°C maximum  
Solder time: 3 seconds maximum  
EB2 – Surface Mounting  
ꢀRS Metꢁꢂꢃ  
ꢐeꢊꢑerature  
ꢒꢌ  
Maꢉiꢊuꢊ 2ꢍꢄ˚ꢒ  
22ꢄ  
2ꢄꢄ  
ꢅꢆꢄ  
ꢍꢎ ꢈMaꢉiꢊuꢊ ꢏꢄꢌ  
ꢐiꢊe ꢈseꢓꢂnꢃsꢌ  
ꢏꢄ ꢈMaꢉiꢊuꢊ ꢅ2ꢄꢌ  
ꢅꢇꢄ ꢈMaꢉiꢊuꢊ ꢋꢄꢄꢌ  
Note:ꢀTemperatureꢀprofileꢀshowsꢀprintedꢀcircuitꢀboardꢀsurfaceꢀtemperatureꢀonꢀtheꢀrelayꢀterminalꢀportion.  
PleaseꢀconsultꢀKEMETꢀifꢀyouꢀwishꢀtoꢀuseꢀaꢀtemperatureꢀprofileꢀotherꢀthanꢀabove.  
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com  
R7001_EA2_EB2 • 8/8/2017  
5
Miniature Signal Relays – EA2/EB2 Series  
Contact Specifications  
Item  
EA2/EB2  
Contact Form  
2 Form C  
Contact Material  
Silver alloy with gold alloy overlay  
30 W, 62.5 VA  
Maximum Switching Power  
Maximum Switching Voltage  
Maximum Switching Current  
Maximum Carrying Current  
220 VDC, 250 VAC  
1 A  
Contact Ratings  
2 A  
Minimum Contact Ratings  
Initial Contact Resistance  
Operating Time (excluding bounce)  
Release Time (excluding bounce)  
Insulation Resistance  
10 mVDC, 10 µA*1  
75ꢀmΩꢀmaximumꢀ(initial)  
Approximately 2 milliseconds  
Approximately 1 millisecond  
1,000ꢀMΩꢀatꢀ500ꢀVDC  
Between Open Contacts  
Between Adjacent Contacts  
Between Coil and Contacts  
1,000 VAC (for one minute), 1,500 V surge (10 x 160 µs)*2  
1,000 VAC (for one minute), 1,500 V surge (10 x 160 µs)*2  
1,000 VAC (for one minute), 1,500 V surge (10 x 160 µs)*2  
Withstand Voltage  
735 m/s2 (75 G) – misoperation  
Shock Resistance  
980 m/s2 (100 G) – destructive failure  
10 to 55 Hz, double amplitude 3 mm (20 G) – misoperation  
10 to 55 Hz, double amplitude 5 mm (30 G) – destructive failure  
Vibration Resistance  
Ambient Temperature  
Coil Temperature Rise  
−40ꢀtoꢀ+85°C  
18°C at nominal coil voltage (140 mW)  
1 x 108 operations (Non-latch type)*3  
Non-load  
Load  
1 x 107 operations (Latch type)  
RunningꢀSpecifications  
50 VDC 0.1 A (resistive), 1 x 106 operations at 85°C, 5 Hz  
10 VDC 10 mA (resistive), 1 x 106 operations at 85°C, 2 Hz  
Weight  
Approximately 1.5 g  
*1 This value is a reference value in the resistance load. Minimum capacity changes depending on the switching frequency, environment temperature,  
and load.  
*2 Rise time: 10 µs; decay time to half crest: 160 µs.  
*3 This shows the number of operations with fatal defects. Stable characteristics are maintained for 1 x 107 operations.  
Coil Specifications  
Non-latch Type (at 20°C)  
Nominal Coil Voltage  
(VDC)  
Coil Resistance  
(Ω) ±10%  
Operating Voltage1  
(VDC)  
Release Voltage1  
(VDC)  
Nominal Operating  
Power (mW)  
3
4.5  
5
64.3  
145  
2.25  
3.38  
3.75  
9.0  
0.3  
0.45  
0.5  
140  
140  
140  
140  
200  
178  
12  
24  
1028  
2880  
1.2  
18.0  
2.4  
1 Test by pulse voltage.  
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com  
R7001_EA2_EB2 • 8/8/2017  
6
Miniature Signal Relays – EA2/EB2 Series  
Coil Specifications cont’d  
Single Coil Latch Type (at 20°C)2  
Nominal Coil Voltage  
(VDC)  
Coil Resistance  
Set Voltage1  
(VDC)  
Reset Voltage1  
(VDC)  
Nominal Operating  
Power (mW)  
(Ω) ±10%  
3
4.5  
5
90  
2.25  
3.38  
3.75  
9.0  
2.25  
3.38  
3.75  
9.0  
100  
100  
100  
100  
150  
202.5  
250  
12  
24  
1440  
3840  
18.0  
18.0  
1 Test by pulse voltage.  
2ꢀLatchꢀtypeꢀrelaysꢀshouldꢀbeꢀinitializedꢀtoꢀaꢀknownꢀpositionꢀbeforeꢀusing.ꢀOnlyꢀtheꢀspecifiedꢀpolarityꢀshouldꢀbeꢀusedꢀtoꢀenergizeꢀtheꢀcoil.  
Double Coil Latch Type (at 20°C)2,3  
Nominal Coil Voltage  
(VDC)  
Coil Resistance  
(Ω) ±10%  
Set Voltage4  
(VDC)  
Release Voltage4  
(VDC)  
Nominal Operating  
Power (mW)  
S
R
S
R
S
R
S
R
S
R
64.3  
64.3  
145  
2.25  
2.25  
3
4.5  
5
140  
140  
140  
140  
200  
3.38  
145  
3.38  
178  
3.75  
178  
3.75  
1028  
1028  
2880  
2880  
9.0  
12  
24  
9.0  
18.0  
18.0  
2ꢀLatchꢀtypeꢀrelaysꢀshouldꢀbeꢀinitializedꢀtoꢀaꢀknownꢀpositionꢀbeforeꢀusing.ꢀOnlyꢀtheꢀspecifiedꢀpolarityꢀshouldꢀbeꢀusedꢀtoꢀenergizeꢀtheꢀcoil.  
3 Can not be driven by reverse polarity for reverse operation.  
4 S = Set coil [pin #1 (+), pin #5 ()], R = Reset coil [pin #10 (+), pin #6 ()].  
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com  
R7001_EA2_EB2 • 8/8/2017  
7
Miniature Signal Relays – EA2/EB2 Series  
Recommended Relay Drive Conditions  
Coil Type  
Rating  
Ambient Temperature  
Non-latch  
Voltage:ꢀ≤ꢀ±5%ꢀofꢀnominalꢀvoltage  
Square pulse (rise and fall time is rapid)  
Pulseꢀheight:ꢀ≤ꢀ±5%ꢀofꢀnominalꢀvoltage  
Pulse Width: > 10 ms  
−40ꢀtoꢀ+85°C  
Single Coil  
Double Coil  
Marking  
Top view  
ꢀart nuꢁꢂer  
ꢑꢒꢓ ꢃSA ꢁarꢉing  
EA2-5NU  
JAPAN  
ꢃꢄuntry ꢄꢅ ꢄrigin  
ꢆireꢇtiꢄn ꢁarꢉ  
ꢊꢋin ꢌꢄꢍ ꢎ anꢈ ꢎꢏꢐ  
1D1727F  
ꢃꢄꢁꢋany lꢄgꢄ  
ꢆate ꢇꢄꢈe  
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com  
R7001_EA2_EB2 • 8/8/2017  
8
Miniature Signal Relays – EA2/EB2 Series  
Performance Data  
Coil Temperature Rise  
Temperature is measured by coil resistance  
Coil temperature  
Coil temperature  
rise (°C )  
rise (°C)  
Applied power 0.2W  
60  
30  
Applied power 0.14W  
Applied power 0.1W  
40  
20  
0
20  
10  
0
0
100  
200  
300  
0
5
10  
15  
20  
Applied power (mW)  
Applied time (minute)  
Switching Capacity  
Maximum Coil Voltage  
Maximum Values  
Maximum value of permissible alteration  
DC(Resistive)  
AC(Resistive)  
2.0  
200  
1.0  
0.5  
Ratio  
nominal  
coil  
voltage  
(%)  
o
Ratio of  
150  
Contact  
current (A)  
nominal  
coil  
voltage  
100  
0.2  
0.1  
(%)  
50  
10  
20  
50  
100  
-40 -20  
0
20  
40 60 80 100  
250VAC  
220VDC  
VAC  
Ambient temperature (° C)  
Contact voltage (V)  
0VDC  
Applied Voltage vs. Timing  
(Sample: EA2-5NU)  
(Without coil diode)  
4
3
4
3
2
1
Release  
time  
(ms)  
Operate  
2
time  
(ms)  
1
0
0
0
100  
150  
200  
250  
0
100  
200  
300  
400  
Applied power (mW)  
Applied power (mW)  
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com  
R7001_EA2_EB2 • 8/8/2017  
9
Miniature Signal Relays – EA2/EB2 Series  
Performance Data cont’d  
Operate and Release Voltage vs. Ambient Temperature  
This shows a typical change of operate (release) voltage. The value of must operate is estimated, so coil voltage must be  
applied higher than this value for safe operation. For hot start operation, please inquire with KEMET.  
100  
Must operate voltage  
80  
60  
40  
20  
0
Operate voltage (typical)  
Ratio of nominal  
coil voltage (%)  
Release voltage (typical)  
-40  
-20  
0
20  
40  
60  
80  
100  
Ambient temperature (°C)  
Running Test (Non-load)  
(Load:ꢀnone;ꢀDrive:ꢀ5ꢀVDC,ꢀ50ꢀHz,ꢀ50%ꢀduty;ꢀAmbientꢀTemperature:ꢀroomꢀtemperature;ꢀSample:ꢀEA2–5NU,ꢀ20ꢀpieces)  
10000  
5
Operate voltage  
Release voltage  
1000  
100  
10  
4
3
2
1
0
Contact  
resistance  
(m)  
Operate  
voltage  
(V)  
Release  
voltage  
(V)  
0
20  
50  
100  
500  
1000  
0
20  
50  
100  
500  
1000  
Operations (×104)  
Operations (×104)  
Running Test (Load)  
(Load:ꢀ50ꢀVDC,ꢀ0.1ꢀAꢀresistive;ꢀDrive:ꢀ5ꢀVDC,ꢀ5ꢀHz,ꢀ50%ꢀduty;ꢀAmbientꢀTemperature:ꢀ85°C;ꢀSample:ꢀEA2–5NU,ꢀ10ꢀpieces)  
5
4
3
2
1
0
10000  
1000  
100  
Operate voltage  
Contact  
resistance  
(m)  
Operate  
voltage  
(V)  
Release voltage  
Release  
0
2
5
10  
50  
100  
10  
Operations (×104)  
0
2
5
10  
50  
100  
Operations (×104)  
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com  
R7001_EA2_EB2 • 8/8/2017 10  
Miniature Signal Relays – EA2/EB2 Series  
Performance Data cont’d  
Breakdown Voltage  
(Sample: EA2–5NU, 10 pieces)  
(a) Between open contacts  
(b) Between adjacent contacts  
100  
100  
50  
50  
0
Distribution  
Distribution (%)  
0
0.5  
1.0  
1.5  
2.0  
1.0  
1.5  
2.0  
2.5  
Breakdown voltage (K V)  
Breakdown voltage (K V)  
(C) Between coil and  
100  
50  
0
Distribution (%)  
0.5  
1.5  
2.0  
2.5  
Breakdown voltage (K V)  
Alteration of Voltage in Dense Mounting  
(magnetic interference)  
Alternation of operate voltage  
Alternation of operate voltage  
+40  
+30  
+20  
+10  
0
+40  
+30  
+20  
+10  
0
Ratio of  
Ratio of  
alternation (%)  
alternation (%)  
-10  
-20  
-30  
-40  
-10  
-20  
-30  
-40  
a
b
c
d
e
f
a
b
c
d
e
f
Mounting layout  
Mounting layout  
Device under test  
OFF  
ON  
ON  
2.54mm  
2.54mm  
OFF  
OFF  
ON  
ON  
OFF  
d
a
b
c
2.54mm  
ON  
ON  
ON  
OFF  
OFF  
OFF  
e
f
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com  
R7001_EA2_EB2 • 8/8/2017 11  
Miniature Signal Relays – EA2/EB2 Series  
Tube Packing – Millimeters  
ꢉ2ꢋꢁ  
ꢀꢁ ꢂieꢃes/ꢄuꢅe ꢆantiꢇstatiꢃꢈ  
ꢍꢎꢏ  
ꢐireꢃtiꢑn ꢑꢒ relay ꢓireꢃtiꢑn ꢔarꢕ  
ꢉꢊꢋꢌ  
Ruꢅꢅer stꢑꢂꢂer ꢆꢖreenꢈ  
Ruꢅꢅer stꢑꢂꢂer ꢆReꢓꢈ  
Tape & Reel Packaging Information (EB2 only) – Millimeters  
Appearance  
Reel  
750 pieces / Reel  
Reel diameter: 380mm  
Emboss  
Carrying tape  
Top cover tape  
Tape Dimensions  
Maximum8.1  
1.75  
2.0  
0.4  
16  
4
Φ 1.5  
Φ 2.2  
11.5  
14.7  
24.0  
12.1  
Relay Direction Mark and Tape Carrying Direction  
Sprocket hole  
Direction mark  
Direction of unreeling  
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com  
R7001_EA2_EB2 • 8/8/2017 12  
Miniature Signal Relays – EA2/EB2 Series  
Notes on Using Relays  
1. Contact Load  
Makeꢀsureꢀthatꢀtheꢀcontactꢀloadꢀisꢀwithinꢀtheꢀspecifiedꢀrange;ꢀotherwise,ꢀtheꢀlifetimeꢀofꢀtheꢀcontactsꢀwillꢀbeꢀshortenedꢀ  
considerably. Note that the running performance shown is an example, and that it varies depending on parameters such  
as the type of load, switching frequency, driver circuit, and ambient temperature under the actual operating conditions.  
2. Driving Relays  
Ifꢀtheꢀinternalꢀconnectionꢀdiagramꢀofꢀaꢀrelayꢀshowsꢀ+ꢀandꢀ−ꢀsymbolsꢀonꢀtheꢀcoil,ꢀapplyꢀtheꢀratedꢀvoltageꢀtoꢀtheꢀrelayꢀinꢀ  
theꢀspecifiedꢀdirection.ꢀIfꢀaꢀrippledꢀDCꢀcurrentꢀsourceꢀisꢀused,ꢀabnormalitiesꢀsuchꢀasꢀheatꢀatꢀtheꢀcoilꢀmayꢀoccur.  
• The maximum voltage that can be applied to the coil of the relay varies depending on the ambient temperature.  
Generally, the higher the voltage applied to the coil, the shorter the operating time. Note, however, that high voltage  
also increases the bounce of the contacts and the contact opening and closing frequency, which may shorten the  
lifetime of the contacts.  
Nominal  
coil voltage  
0
<1msec.  
<1msec.  
• For consistent operation, the driving voltage should have rise and fall times of less than 1 ms.  
Forꢀaꢀlatchingꢀrelay,ꢀapplyꢀaꢀvoltageꢀtoꢀtheꢀcoilꢀaccordingꢀtoꢀtheꢀpolarityꢀspecifiedꢀinꢀtheꢀinternalꢀconnectionꢀdiagramꢀofꢀ  
the relay.  
• If a current is applied to the coil over a long period of time, the coil temperature rises, promoting generation of organic  
gas inside the relay, which may result in faulty contacts. In this case, use of a latching relay is recommended.  
• The operating time and release time indicate the time required for each contact to close after the voltage has been  
applied to or removed from the coil. However, because the relay has a mechanical structure, a bounce state exists  
at the end of the operating and release times. Furthermore, because additional time is required until the contact  
stabilizes after being in a high-resistance state, care must be taken when using the relay at high speeds.  
3. Operating Environment  
Makeꢀsureꢀthatꢀtheꢀrelayꢀmountedꢀinꢀtheꢀapplicationꢀsetꢀisꢀusedꢀwithinꢀtheꢀspecifiedꢀtemperatureꢀrange.ꢀUseꢀofꢀaꢀrelayꢀ  
at a temperature outside this range may adversely affect insulation or contact performance.  
Ifꢀtheꢀrelayꢀisꢀusedꢀforꢀaꢀlongꢀperiodꢀofꢀtimeꢀinꢀhighlyꢀhumidꢀ(RHꢀ85%ꢀorꢀhigher)ꢀenvironment,ꢀmoistureꢀmayꢀbeꢀ  
absorbed into the relay. This moisture may react with the NOx and SOx generated by glow discharges that occur when  
the contacts are opened or closed, producing nitric or sulfuric acid. If this happens, the acid produced may corrode  
the metallic parts of the relay, causing operational malfunction.  
• If any material containing silicon (silicon rubber, silicon oil, and silicon based coating material) is used in the  
neighborhood of relay, there is some possibility that these materials will emit silicon gas that will penetrate the  
relay. In this case, the switching contact may generate silicon compounds on the surface of contacts. This silicon  
compound may result in contact failure. Avoid use of relay in such an environment.  
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com  
R7001_EA2_EB2 • 8/8/2017 13  
Miniature Signal Relays – EA2/EB2 Series  
Notes on Using Relays cont’d  
• Because the operating temperature range varies depending on the humidity, use the relay in the temperature range  
illustratedꢀinꢀtheꢀfigureꢀbelow.ꢀPreventꢀtheꢀrelayꢀfromꢀbeingꢀfrozenꢀandꢀavoidꢀtheꢀgenerationꢀofꢀcondensation.  
85  
80  
60  
Humidity  
(%RH)  
40  
20  
5
-60 -40 -20  
0 20 40 60 80 100  
Temperature (°C )  
• The relay maintains constant sealability under normal atmospheric pressure (810 to 1,200 hpa). Its sealability may  
be degraded or the relay may be deformed and malfunction if it is used under barometric conditions exceeding the  
specifiedꢀrange.  
• The same applies when the relay is stored or transported. Keep the upper-limit value of the temperature to which the  
relay is exposed after it is removed from the carton box to within 50°C.  
• Permanent magnets are used in polarized relays. For this reason, when magnets, transformers, or speakers are  
located nearby the relay characteristics may change and faulty operations may result.  
• If excessive vibration or shock is applied to the relay, it may malfunction and the contacts remain closed. Vibration or  
shock applied to the relay during operation may cause considerable damage to or wearing of the contacts. Note that  
operation of a snap switch mounted close to the relay or shock due to the operation of magnetic solenoid may also  
cause malfunctioning.  
4. Mounting  
• When mounting a relay onto a PC board using an automatic chip mounter, if excessive force is applied to the cover  
of the relay when the relay is chucked or inserted, the cover may be damaged or the characteristics of the relay  
degraded. Keep the force applied to the relay to within 1 kg.  
• Avoid bending the pins to temporarily secure the relay to the PC board. Bending the pins may degrade sealability or  
adversely affect the internal mechanism.  
• Ventilation immediately after soldering is recommended. Avoid immersing the relay in cleaning solvent immediately  
after soldering due to the danger of thermal shock being applied to the relay.  
• Use an alcohol-based or water-based cleaning solvent. Never use thinner and benzene because they may damage the  
relay housing.  
• Do not use ultrasonic cleaning because the vibration energy generated by the ultrasonic waves may cause the  
contacts to remain closed.  
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com  
R7001_EA2_EB2 • 8/8/2017 14  
Miniature Signal Relays – EA2/EB2 Series  
Notes on Using Relays cont’d  
5. Handling and Storage  
• Relays are packaged in magazine cases for shipment. If a space is created in the case after some relays have been  
removed, be sure to insert a stopper to secure the remaining relays in the case. If relays are not well secured, vibration  
during transportation may cause malfunctioning of the contacts.  
• Exercise care in handling the relay so as to avoid dropping it or allowing it to fall. Do not use a relay that has been  
dropped.ꢀIfꢀaꢀrelayꢀdropsꢀfromꢀaꢀworkbenchꢀtoꢀtheꢀfloor,ꢀaꢀshockꢀofꢀ9,800ꢀm/s2 (1,000 G) or more is applied to the relay,  
possibly damaging its functions. Even if a light shock has been applied to the relay, thoroughly evaluate its operation  
before using it.  
• Latching relays are factory-set to reset state for shipment. A latching relay may be set, however, by vibration or shock  
applied while being transported. Be sure to forcibly reset the relay before using it in the application set. Also note that  
the relay may be set by unexpected vibration or shock when it is used in a portable set.  
• The sealability of a surface mount (SMT) relay may be lost if the relay absorbs and is then heated during soldering.  
When storing relays, therefore, observe the following points:  
1. ꢀForꢀstandardꢀpacking,ꢀpleaseꢀuseꢀrelaysꢀwithinꢀ12ꢀmonthsꢀafterꢀdeliveryꢀ(storageꢀconditions:ꢀ30°C/60%ꢀRH).ꢀIfꢀtheꢀ  
relays have moisture absorption, dehumidify as follows:  
–ꢀTapeꢀPackaging:ꢀ50ꢀ±5°C,ꢀ200–300ꢀhours.  
–ꢀSimpleꢀRelay:ꢀ85ꢀ±5°C,ꢀ48ꢀhours.  
2.ꢀForꢀMBBꢀpacking,ꢀpleaseꢀuseꢀrelaysꢀwithinꢀ2ꢀyearsꢀafterꢀdeliveryꢀ(storageꢀconditions:ꢀ30°C/60%ꢀRH).ꢀAfterꢀ  
openingꢀMBBꢀpacking,ꢀpleaseꢀuseꢀwithinꢀ3ꢀmonthsꢀ(storageꢀconditions:ꢀ30°C/60%ꢀRH).  
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com  
R7001_EA2_EB2 • 8/8/2017 15  
Miniature Signal Relays – EA2/EB2 Series  
KEMET Electronics Corporation Sales Offices  
Forꢀaꢀcompleteꢀlistꢀofꢀourꢀglobalꢀsalesꢀof ꢀces,ꢀpleaseꢀvisitꢀwww.kemet.com/sales.  
Disclaimer  
Allꢀproductꢀspeci ꢀcations,ꢀstatements,ꢀinformationꢀandꢀdataꢀ(collectively,ꢀtheꢀ“Information”)ꢀinꢀthisꢀdatasheetꢀareꢀsubjectꢀtoꢀchange.ꢀTheꢀcustomerꢀisꢀresponsibleꢀforꢀ  
checking and verifying the extent to which the Information contained in this publication is applicable to an order at the time the order is placed.  
All Information given herein is believed to be accurate and reliable, but it is presented without guarantee, warranty, or responsibility of any kind, expressed or implied.  
StatementsꢀofꢀsuitabilityꢀforꢀcertainꢀapplicationsꢀareꢀbasedꢀonꢀKEMETꢀElectronicsꢀCorporation’sꢀ(“KEMET”)ꢀknowledgeꢀofꢀtypicalꢀoperatingꢀconditionsꢀforꢀsuchꢀ  
applications,ꢀbutꢀareꢀnotꢀintendedꢀtoꢀconstituteꢀ–ꢀandꢀKEMETꢀspeci ꢀcallyꢀdisclaimsꢀ–ꢀanyꢀwarrantyꢀconcerningꢀsuitabilityꢀforꢀaꢀspeci ꢀcꢀcustomerꢀapplicationꢀorꢀuse.ꢀ  
The Information is intended for use only by customers who have the requisite experience and capability to determine the correct products for their application. Any  
technical advice inferred from this Information or otherwise provided by KEMET with reference to the use of KEMET’s products is given gratis, and KEMET assumes no  
obligation or liability for the advice given or results obtained.  
Although KEMET designs and manufactures its products to the most stringent quality and safety standards, given the current state of the art, isolated component  
failures may still occur. Accordingly, customer applications which require a high degree of reliability or safety should employ suitable designs or other safeguards  
(such as installation of protective circuitry or redundancies) in order to ensure that the failure of an electrical component does not result in a risk of personal injury or  
property damage.  
Although all product–related warnings, cautions and notes must be observed, the customer should not assume that all safety measures are indicted or that other  
measures may not be required.  
KEMET is a registered trademark of KEMET Electronics Corporation.  
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com  
R7001_EA2_EB2 • 8/8/2017 16  

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