20KPA112CA-B [LITTELFUSE]
Transient Voltage Suppression Diodes; 瞬态电压抑制二极管
| 型号： | 20KPA112CA-B |
| 厂家： | 
LITTELFUSE |
| 描述： | Transient Voltage Suppression Diodes |
| 文件： | 总5页 (文件大小：135K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
TransientVoltage Suppression Diodes
Axial Leaded – 20000W > 20KPA series
RoHS
20KPA Series
Description
The 20KPA Series is designed specifically to protect
sensitive electronic equipment from voltage transients
induced by lightning and other transient voltage events.
Features
tꢀ)BMPHFOꢁ'SFF
tꢀ -PXꢀJODSFNFOUBMꢀTVSHFꢀ
resistance
tꢀ 3P)4ꢀDPNQMJBOU
tꢀ 5ZQJDBMꢀ*R less than 2μA
above 49V
tꢀ 5ZQJDBMꢀNBYJNVNꢀ
temperature coefficient
ΔVBR = 0.1% x VBR@25°C x ΔT tꢀ )JHIꢀUFNQFSBUVSFꢀ
soldering guaranteed:
Agency Approvals
tꢀ (MBTTꢀQBTTJWBUFEꢀDIJQꢀ
260°C/40 seconds /
0.375”,(9.5mm) lead
length, 5 lbs., (2.3kg)
tension
tꢀ 1MBTUJDꢀQBDLBHFꢀIBTꢀ
Underwriters Laboratory
Flammability classification
94V-O
junction in P600 package
AGENCY
AGENCY FILE NUMBER
E230531
tꢀ ꢂꢃꢃꢃꢃ8ꢀQFBLꢀQVMTFꢀ
capability at 10×1000μs
waveform, repetition rate
(duty cycles):0.01%
tꢀ 'BTUꢀSFTQPOTFꢀUJNFꢄꢀ
typically less than 1.0ps
from 0 Volts to BV min
Maximum Ratings andThermal Characteristics
(TA=25OC unless otherwise noted)
tꢀ .BUUFꢀ5JOꢀ-FBEoGSFFꢀQMBUFE
tꢀ &YDFMMFOUꢀDMBNQJOHꢀ
capability
Parameter
Symbol
PPPM
Value
Unit
W
Peak Pulse Power Dissipation by
10x1000μs test waveform (Fig.1)
(Note 1)
20000
Applications
Steady State Power Dissipation on
inifinite heat sink atTL=75ºC (Fig. 5)
TVS devices are ideal for the protection of I/O interfaces,
CC bus and other vulnerable circuits used in telecom,
computer, industrial and consumer electronic applications.
PD
8.0
W
A
V
Peak Forward Surge Current, 8.3ms
Single Half Sine Wave Unidirectional
only (Note 2)
IFSM
400
Operating Junction and Storage
Temperature Range
T , TSTG -55 to 175
°C
J
TypicalThermal Resistance Junction
to Lead
RuJL
RuJA
8.0
40
°C/W
°C/W
TypicalThermal Resistance Junction
to Ambient
Notes:
1. Non-repetitive current pulse , per Fig. 3 and derated aboveTA = 25OC per Fig. 2.
2. Measured on 8.3ms single half sine wave or equivalent square wave, duty cycle=4 per
minute maximum.
©2009 Littelfuse, Inc.
117
Revision: January 09, 2009
20KPA Series
Specifications are subject to change without notice.
Please refer to http://www.Littelfuse.com/series/20KPA.html for current information.
TransientVoltage Suppression Diodes
Axial Leaded – 20000W > 20KPA series
Electrical Characteristics
Maximum
Reverse
Leakage
IR @ VR
Maximum
Peak
Maximum
Clamping
Voltage
V @ IPP
C(V)
Breakdown
Voltage VBR
(Volts) @ IT
Test
Current
IT
Reverse
Stand off
Voltage VR
(Volts)
Agency
Approval
Part
Number
(Uni)
Part
Number
(Bi)
Pulse
Current Ipp
(A)
(mA)
MIN
(μ A)
20KPA20CA
20KPA24CA
20KPA26CA
20KPA28CA
20KPA30CA
20KPA32CA
20KPA34CA
20KPA36CA
20KPA40CA
20KPA44CA
20KPA48CA
20KPA52CA
20KPA56CA
20KPA60CA
20KPA64CA
20KPA68CA
20KPA72CA
20KPA80CA
20KPA88CA
20KPA96CA
20KPA104CA
20KPA112CA
20KPA120CA
20KPA132CA
20KPA144CA
20KPA160CA
20KPA172CA
20KPA180CA
20KPA192CA
20KPA204CA
20KPA216CA
20KPA232CA
20KPA240CA
20KPA256CA
20KPA280CA
20KPA300CA
20
24
26
28
30
32
34
36
40
44
48
52
56
60
64
68
72
22.34
26.81
29.04
31.28
33.51
35.74
38.00
40.20
44.70
49.10
53.60
58.10
50
50
50
50
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
548.9
490.3
451.9
420.8
392.2
372.0
351.3
328.5
297.9
277.9
254.4
235.4
218.1
207.0
194.2
183.6
174.1
155.4
142.3
130.3
120.2
111.0
104.1
94.8
87.1
78.3
72.9
69.4
65.4
61.4
58.0
54.0
52.2
49.0
44.8
41.8
5000
36.8
41.2
44.7
48.0
51.5
54.3
57.5
61.5
67.8
72.7
79.4
85.8
92.6
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
20KPA20A
20KPA24A
20KPA26A
20KPA28A
20KPA30A
20KPA32A
20KPA34A
20KPA36A
20KPA40A
20KPA44A
20KPA48A
20KPA52A
20KPA56A
20KPA60A
20KPA64A
20KPA68A
20KPA72A
20KPA80A
20KPA88A
20KPA96A
20KPA104A
20KPA112A
20KPA120A
20KPA132A
20KPA144A
20KPA160A
20KPA172A
20KPA180A
20KPA192A
20KPA204A
20KPA216A
20KPA232A
20KPA240A
20KPA256A
20KPA280A
20KPA300A
5000
2000
1000
250
150
50
20
15
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
62.60
67.00
71.50
97.6
104.0
110.0
116.0
130.0
142.0
155.0
168.0
182.0
194.0
213.0
232.0
258.0
277.0
291.0
309.0
329.0
348.0
374.0
387.0
412.0
451.0
483.0
76.00
80.40
89.40
98.30
107.20
116.20
125.10
134.00
147.40
160.80
178.70
192.10
201.10
214.50
227.90
241.30
259.10
268.10
286.00
312.80
335.10
80
88
96
104
112
120
132
144
160
172
180
192
204
216
232
240
256
280
300
5
5
5
For bidirectional type having VRWM of 40 volts and less, the IR limit is double.
For parts without A , the VBR is 10% and VC is 5% higher than with A parts.
©2009 Littelfuse, Inc.
118
Revision: January 09, 2009
20KPA Series
Specifications are subject to change without notice.
Please refer to http://www.Littelfuse.com/series/20KPA.html for current information.
TransientVoltage Suppression Diodes
Axial Leaded – 20000W > 20KPA series
Ratings and Characteristic Curves (TA=25°C unless otherwise notedFigure 1 - Peak Pulse Power Rating Curve
Figure 1 - Peak Pulse Power Rating Curve
Figure 2 - Pulse Derating Curve
100
80
60
40
20
0
1000
100
10
1
0.1
0.000001
0.001
0.0001
td- Pulse Width (Sec.)
0.00001
0
25
50
75
100 125 150 175 200
TA-Ambient temperature (ºC)
Figure 3 - PulseWaveform
Figure 4 -Typical Junction Capacitance
150
t =10μsec
r
T
=25°C
J
Bi-directional V= OV
Pulse Width(td) is defined
as the point where the peak
current decays to 50% of I
10000
Uni-directional V= OV
PPM
Peak Value
I
100
PPM
Uni-directional @ VR
Half Value
I
PPM
2
I
PPM
Bi-directional @ VR
( )
100
1
50
10/1000μsec. Waveform
as defined by R.E.A
Tj=25C
f=1.0MHz
Vsig=50mVp-p
t
d
0
0
50
100
150
200
250
300
350
1.0
2.0
t-Time (ms)
3.0
4.0
0
VBR - Reverse Breakdwon Voltage (V)
Figure 6 - Maximum Non-Repetitive Peak Forward
Surge Current
Figure 5 - Steady State Power Derating Curve
9
8
7
6
5
4
450
400
350
300
250
200
150
100
50
3
L = 0.375” (9.5mm)
Lead Lengths
2
1
0
0
0
25 50 75 100 125 150 175 200
TL- Lead Temperature (ºC)
1
10
100
Number of Cycles at 60 Hz
©2009 Littelfuse, Inc.
119
20KPA Series
Specifications are subject to change without notice.
Please refer to http://www.Littelfuse.com/series/20KPA.html for current information.
Revision: January 09, 2009
TransientVoltage Suppression Diodes
Axial Leaded – 20000W > 20KPA series
Soldering Parameters
tp
Reflow Condition
-Temperature Min (Ts(min)
-FBEoGSFFꢀBTTFNCMZ
TP
Ramp-up
Critical Zone
to T
T
)
150°C
L
P
TL
tL
Pre Heat -Temperature Max (Ts(max)
-Time (min to max) (ts)
)
200°C
Ts(max)
ꢅꢃꢀoꢆꢇꢃꢀTFDT
Ramp-down
Ts(min)
Average ramp up rate (LiquidusTemp
(TL) to peak
ts
3°C/second max
Preheat
TS(max) toTL - Ramp-up Rate
3°C/second max
217°C
25˚C
t 25˚C to Peak
-Temperature (TL) (Liquidus)
Reflow
Time (t)
-Time (min to max) (ts)
ꢅꢃꢀoꢀꢆꢈꢃꢀTFDPOET
260+0/-5 °C
PeakTemperature (TP)
Time within 5°C of actual peak
Temperature (tp)
Flow/Wave Soldering (Solder Dipping)
ꢂꢃꢀoꢀꢉꢃꢀTFDPOET
PeakTemperature :
DippingTime :
Soldering :
265OC
Ramp-down Rate
6°C/second max
8 minutes Max.
280°C
10 seconds
1 time
Time 25°C to peakTemperature (TP)
Do not exceed
Physical Specifications
Environmental Specifications
Weight
Case
0.07oz., 2.5g
Temperature Cycle
Pressure Cooker
HighTemp. Storage
HTRB
JESD22-A104
P600 molded plastic body over
passivated junction.
JESD 22-A102
JESD22-A103
JESD22-A108
JESD22-A106
Color band denotes the cathode except
Bipolar.
Polarity
MatteTin axial leads, solderable per
JESD22-B102D.
Terminal
Thermal Shock
Dimensions
D
Inches
Millimeters
Min Max
Dimensions
Min
Max
C
A
B
C
D
1.000
0.340
0.048
0.340
-
25.40
8.60
1.22
-
0.360
0.052
0.360
9.10
1.32
9.10
A
A
B
8.60
P600
©2009 Littelfuse, Inc.
Specifications are subject to change without notice.
120
20KPA Series
Revision: January 09, 2009
Please refer to http://www.Littelfuse.com/series/20KPA.html for current information.
TransientVoltage Suppression Diodes
Axial Leaded – 20000W > 20KPA series
Part Numbering System
20KPA xxxXXX
Part Marking System
Cathode Band
OPTION CODE:
BLANK ReelTape
-B Bulk Packaging
TYPE CODE:
A
Uni-Directional (5% VoltageTolerance)
F
CA Bi-Directional
VOLTAGE CODE
(Refer to the Electrical Characteristics table)
SERIES CODE
Littelfuse Logo
Product Type
Packaging
Component
Quantity
Packaging
Part Number
Packaging Specification
Option
Package
20KPAxxxXX
P600
P600
800
500
Tape & Reel EIA STD RS-296E
20KPAxxxXX-B
BULK
Littelfuse Concord Packing Spec. DM-0016
©2009 Littelfuse, Inc.
121
20KPA Series
Specifications are subject to change without notice.
Please refer to http://www.Littelfuse.com/series/20KPA.html for current information.
Revision: January 09, 2009
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