CG75LS [LITTELFUSE]
Surge Protection Circuit, LEAD FREE PACKAGE-2;
| 型号： | CG75LS |
| 厂家： | 
LITTELFUSE |
| 描述： | Surge Protection Circuit, LEAD FREE PACKAGE-2 电信 电信集成电路 |
| 文件： | 总6页 (文件大小：1146K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Gas DischargeTubes
CG/CG2 Series
RoHS
CG/CG2 Series
Description
Littelfuse highly reliable CG/CG2 Series GDTs provide
a high degree of surge protection in a small size ideal
for board level circuit protection.
GDTs function as switches which dissipate a
minimum amount of energy and therefore handle
currents that far surpass other types of transient
voltage protection. Their gas-filled, rugged ceramic
metal construction make them well suited to adverse
environments.
The CG/CG2 series comes in a variety of forms
including surface mount, core, straight and shaped
leads, to serve a variety of mounting methods.
Agency Approvals
The CG Series (75V-110V) is ideal for protection
of test and communication equipment and other
devices in which low voltage limits and extremely
low arc voltages are required.
AGENCY
AGENCY FILE NUMBER
E1286621
E3201162
The CG2 Series (145V-1000V) is ideal for protecting
equipment where higher voltage limits and holdover
voltages are necessary.
NOTES:
1. Certified to UL 497B.
2. Only CG2300, CG2470, CG2600, CG2800 and CG221000. Certified to UL 1449.
2 Electrode GDT Graphical Symbol
Features
• RoHS and Lead-free
compliant
• Meets REA PE-80
• Available in surface
mount, and a variety of
lead options options
• Rugged Ceramic-Metal
construction
Additional Information
• Low Capacitance
(<1.5pf)
Applications
Datasheet
Resources
Samples
CG/CG2
• Communication lines
and equipment
• Instrumentation circuits
• Medical electronics
• ADSL equipment
CG/CG2
CG/CG2
• CATV equipment
• Test equipment
• Data lines
• Telecom SLIC
protection
• Power supplies
© 2015 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 11/06/15
Gas DischargeTubes
CG/CG2 Series
Electrical Characteristics
Device Specifications (at 25°C)
Impulse Impulse Insulation
Life Ratings
DC Breakdown
in Volts
Nominal Nominal
AC
DC
Max
Capaci-
Arc
Surge
Life
Break-
down
in Volts
Break-
down In
Volts
Resistance
Impulse
AC
Dischage Holdover Impulse
tance Voltage
Discharge Discharge Current Voltage2 Discharge
(on state
(@1MHz)
(@100V/s)
(@500A
10/1000µs)
Voltage)
@1Amp
Min
(9 cycle
@50Hz)
Current
(8/20µs)
Current
Current
(1 Application
@ 10/350µs)
(10x1sec
(@100V/µs) (@1 Kv/µsec)
@50-60Hz)
Part
Number
MIN TYP MAX
MAX
MIN
MAX
TYP
TYP
CG75
60
72
72
75
90
400
400
400
450
500
500
600
600
625
625
700
700
750
750
800
850
850
1000
1000
1200
650
600
1010
(at 50V)
Ω
CG90
90 108
90 108
52 V
4kA
CG90 SN
CG110
600
88 110 132
116 145 174
600
CG2145
600
80 V
CG2145 SN 120 145 174
CG22301
195 230 265
CG2230 SN1 184 230 276
CG2250 213 250 288
CG2250 SN 200 250 300
CG2300 255 300 345
CG2300 SN 240 300 360
CG2350 297 350 403
CG2350 SN 280 350 420
600
700
700
725
10 shots
(@20kA)3
725
20 A
100 A
400
shots
800
1.5 pf
15 V
800
1010
(at 100V)
Ω
2.5kA
900
900
135 V
CG2420
CG24701
CG2470 SN1 376 470 564
CG26001
510 600 690
CG2600 SN1 480 600 720
CG28001
CG210001
NOTES:
357 420 483
1000
1200
1200
1400
1400
1500
1600
400 470 540
680 800 920
850 1000 1150 1500
10 shots
(@10kA)
10 A
65 A
1. Certified to UL 1449.
2. Reference REA PE-80, 0.2A. Tested to ITU-T Rec K.12 and REA PE 80 < 150 mSec.
3. 5 x [5 (+) or 5 (-)] applications 20kA 8/20µSec. (75 to 600 volt devices.)
10 x [5 (+) and 5 (-)] applications 10kA 8/20µSec. (800 and 100 volt devices.)
Product Characteristics
Glow to arc
LS, Axial:
< 0.5Amps
60-160 Volts
transition current
Device:Tin Plated 2–5 Microns
Lead Wires:Tin Plated 17.5 12.5 Microns
Construction: Ceramic Insulator
GlowVoltage
Core:
Materials
Storage and
Operational
Temperature
Device:Tin Plated 17.5 12.5 Microns.
-40 to +90
Construction: Ceramic Insulator
MS:
Device: DullTin Plated 7–9 Microns
Construction: Ceramic Insulator
Maximum Follow 230 Volts r.m.s, 200 Amps.
On Current1
(800V and 1000V devices tested to UL1449 3rd edition)
LF Logo, Voltage and date code; Black in
positive print
Product Marking
© 2015 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 11/06/15
Gas DischargeTubes
CG/CG2 Series
Device Dimensions
Leaded 'L' Type Straight Axial Devices
Leaded 'LS' Type Shaped Lead Devices
PROFILE VIEW
TOP VIEW
PROFILE VIEW
TOP VIEW
6.ꢀ7 ꢀ.3
[0.ꢀ39 0.01ꢀ2
8.1ꢀ Max.
[0.319 DIA Max.2
ꢀ.81DIA. TYP.
[0.032]
8.1ꢀDIA. MAX.
[0.319]
8.4ꢀ ꢀ.3
[0.331 0.01ꢀ2
6.ꢀ7 ꢀ.15
[0.239 0.006]
ꢀ.8ꢀ
[0.03ꢀ2
0.004
8.4 ꢀ.3
[0.331 0.01ꢀ2
62
2
ꢀ Surfaces
ꢀ.4ꢀ ꢀ.ꢀ3
[0.0157 0.001ꢀ2
9.85 ꢀ.3ꢀ
[0.388 0.01ꢀ2
11.15 ꢀ.3ꢀ
[0.439 0.01ꢀ2
SOLDER PAD LAYOUT
Core Devices
9.85
[0.3882
8.6ꢀ
[0.3392
TOP VIEW
PROFILE VIEW
SEMI–PROFILE VIEW
8.ꢀ0 Max.
[0.032 Max.ꢁ
6.07 0.ꢀ1
[0.239 0.00ꢀ9ꢁ
1.8ꢀ
[0.0712
1.89[0.232ꢁ
11.65
[0.4592
.
0
x
8
0.47 0.ꢀ
[0.019 0.0039ꢁ
'MS' Type Devices
TOP VIEW
PROFILE VIEW
SEMI–PROFILE VIEW
8.30 0.1
[0.32ꢀ 0.00379
4
0.ꢀ
5.58 [0.2209
[0.15ꢀ 0.00ꢀ79
6.05 0.ꢀ
[0.238 0.00ꢀ79
R5.ꢀ9 [R0.2089
ø
0
ꢀ
0.47 0.1
[0.017 0.00379
SOLDER PAD LAYOUT
ꢀ.ꢀ9 [0.0709
8.71 [0.3439
5.89 [0.2329
© 2015 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 11/06/15
Gas DischargeTubes
CG/CG2 Series
Soldering Parameters - Reflow Soldering (Surface Mount Devices)
tP
Reflow Condition
-Temperature Min (Ts(min)
Pb – Free assembly
TP
Critical Zone
L to TP
Ramp-up
T
)
150°C
TL
TS(max)
Pre Heat -Temperature Max (Ts(max)
)
200°C
tL
-Time (Min to Max) (ts)
60 – 180 secs
Ramp-down
Average ramp up rate (LiquidusTemp
(TL) to peak
Preheat
3°C/second max
TS(min)
tS
TS(max) toTL - Ramp-up Rate
5°C/second max
217°C
-Temperature (TL) (Liquidus)
Reflow
25
time to peak temperature
(t 25ºC to peak)
-Temperature (tL)
60 – 150 seconds
260+0/-5 °C
Time
PeakTemperature (TP)
Time within 5°C of actual peak
Temperature (tp)
10 – 30 seconds
Ramp-down Rate
6°C/second max
8 minutes Max.
260°C
Time 25°C to peakTemperature (TP)
Do not exceed
Soldering Parameters -Wave Soldering (Thru-Hole Devices)
Recommended Process Parameters:
300
280
260
240
220
200
180
160
140
120
100
80
Wave Parameter
Lead-Free Recommendation
Preheat:
(Typical Industry Recommendation)
(Depends on Flux ActivationTemperature)
Temperature Minimum:
Temperature Maximum:
PreheatTime:
100° C
150° C
60-180 seconds
Solder PotTemperature:
Solder DwellTime:
280° C Maximum
2-5 seconds
60
40
20
0
Time (Seconds)
Preheat Time
Cooling Time
Dwell Time
Soldering Parameters - Hand Soldering
Solder IronTemperature: 350° C +/- 5°C
HeatingTime: 5 seconds max.
© 2015 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 11/06/15
Gas DischargeTubes
CG/CG2 Series
Packaging Dimensions
For 'L' Type Axial Lead Items
<1.2 Max. Lead Bend
254.0 - 356.0
[10.0 - 14.0]
<0.8 Max
Direction of Feed
0.0
15]
52.4
[2.063]
22.8
[0.898]
6.4
[0.252]
5.0 Pitch
[0.197]
Core and 'MS' Type Items
275.0
[10.83]
10x4 0.1 ꢀ 40 0.2
[10 x 0.157 0.004 ꢀ 1.575 0.008]
100.0
[3.94]
1.75 0.1
[0.069 0.004]
4
0.1
1.5 DIA. MAX.
[0.059]
0.4 0.05
[0.016 0.002]
76.0
[2.99]
[0.157 0.004]
25.0
[0.98]
7.5 0.1
[0.295 0.004]
16 +0.3 / -0.1
[0.630 +0.012 / -0.004]
8.5 0.1
[0.335 0.004]
17.7
[0.697]
Direction of Feed
1.5 DIA. MAX.
[0.059]
12 0.1
[0.472 0.004]
8.6 0.1
[0.339 0.004]
For 'LS' Type Shaped Lead Items
10x4 0.1 ꢀ 40 0.2
[10x.157 0.004 ꢀ 1.575 0.00ꢁ]
1.75 0.1
[0.069 0.004]
1.5 DIA. MAX.
[0.059]
4
0.1
0.5 0.05
[0.020 0.002]
[0.157 0.004]
1.9
[0.075]
11.5 0.1
[0.453 0.004]
11.75 0.1
[0.463 0.004]
ꢁ
0.1
24 +0.3 / -0.1
[0.945 +0.019 / -0.004]
[0.315 0.004]
0.5 0.01
[0.020 0.004]
1.5 DIA. MAX.
[0.059]
9
0.1
16 0.1
[0.630 0.004]
[0.354 0.004]
© 2015 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 11/06/15
Gas DischargeTubes
CG/CG2 Series
Part Numbering System and Ordering Information
CG2 XXX XX * XX
Series
CG -- for 75, 90, or 110V
CG2 -- for 145V to 1000V
Examples:
CG75 -- A non-leaded 75V device
CG2230L -- A leaded 230V device
Breakdown Voltage
75
90
300
350
CG2800LTR -- A leaded 800V device, tape-and-reel (per EIA standard RS-296-D)
110
145
230
250
470
600
800
1000
Notes:
CG/CG2 devices with other breakdown voltages in the 75-1000 V range are available upon request.
Lead Option Code
(Blank) = No Leads / Core
L = Straight Leads
LS = Shaped Leads
MS = Surface Mount
Option Code*
SN = may have different DC Breakover
Voltage Limit. Please refer to Electrical
Characteristics table for additional
information.
Packaging Option Code
(Blank) = No Leads / Core, Bulk Bag - 400 pcs
L(Blank) = Straight Lead, Tray - 50 pcs
LTR = Straight Lead, Tape & Reel per EIA RS-296-E - 500 per reel
LS(Blank) = Shaped Lead (see LS dimensions), Tape & Reel - 500 per reel
© 2015 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 11/06/15
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