
3KE SERIES
TRANSIENT VOLTAGE
SUPPRESSOR
DO-201
* 3000W surge capability at 1ms
* Excellent clamping capability
* Low zener impedance
* Fast response time : typically less
then 1.0 ps from 0 volt to V
* Typical IR less then 1µA above 22V
* Pb / RoHS Free
* Case : DO-201Molded plastic
* Epoxy : UL94V-O rate flame retardant
* Lead : Axial lead solderable per MIL-STD-202,
method 208 guaranteed
* Polarity : Color band denotes cathode end except Bipolar.
* Mounting position : Any
* Weight : 0.93 grams
Rating at 25 °C ambient temperature unless otherwise specified.
0.21 (5.33)
0.19 (4.83)
0.042 (1.07)
0.038 (0.97)
1.00 (25.4)
MIN.
0.375 (9.53)
0.285 (7.24)
1.00 (25.4)
MIN.
Dimensions in inches and (millimeters)
Peak Power Dissipation at Ta = 25 °C, Tp=1ms (Note1)
Steady State Power Dissipation at TL = 75 °C
Lead Lengths 0.375", (9.5mm) (Note 2)
Operating and Storage Temperature Range TJ, T
(1) Non-repetitive Current pulse, per Fig. 5 and derated above Ta = 25
(2) Mounted on Copper Leaf area of 1.57 in2 (40mm2).
(3) 8.3 ms single half sine-wave, duty cycle = 4 pulses per minutes maximum.
Page 1 of 4 Rev. 02 : March 25, 2005
Rating Symbol Value Unit
PK
P
D
P
C per Fig. 1
STG
Minimum 3000 W
5.0 W
- 65 to + 175
°C

ELECTRICAL CHARACTERISTICS
Rating at 25 °C ambient temperature unless otherwise specified
Breakdown Voltage @ It Working Peak Maximum Maximum Maximum Maximum
( Note 1 ) Reverse Reverse Leakage Reverse Clamping Temperature
TYPE
V
(V) It V
BR
Min. Max. (mA) (V) (µA) (A) (V)
Voltage @ V
RWM
I
R
RWM
Current Voltage @ I
I
RSM
V
RSM
RSM
Co-efficient
of V
BR
(% / °C)
3KE13
3KE13A
3KE15
3KE15A
3KE16
3KE16A
3KE18
3KE18A
3KE20
3KE20A
3KE22
3KE22A
3KE24
3KE24A
3KE27
3KE27A
3KE30
3KE30A
3KE33
3KE33A
3KE36
3KE36A
3KE39
3KE39A
3KE43
3KE43A
3KE47
3KE47A
3KE51
3KE51A
3KE56
3KE56A
3KE62
3KE62A
3KE68
3KE68A
3KE75
3KE75A
3KE82
3KE82A
11.7 14.3 10 10.5 1000 158 19.0 0.081
12.4 13.7 10 11.1 1000 164 18.2 0.081
13.5 16.5 10 12.1 500 136 22.0 0.084
14.3 15.8 10 12.8 500 142 21.2 0.084
14.4 17.6 10 12.9 200 128 23.5 0.086
15.2 16.8 10 13.6 200 134 22.5 0.086
16.2 19.8 1.0 14.5 50 113 26.5 0.088
17.1 18.9 1.0 15.3 50 119 25.2 0.088
18.0 22.0 1.0 16.2 10 103 29.1 0.090
19.0 21.0 1.0 17.1 10 108 27.7 0.090
19.8 24.2 1.0 17.8 5.0 94 31.9 0.092
20.9 23.1 1.0 18.8 5.0 98 30.6 0.092
21.6 26.4 1.0 19.4 5.0 86 34.7 0.094
22.8 25.2 1.0 20.5 5.0 90 33.2 0.094
24.3 29.7 1.0 21.8 5.0 77 39.1 0.096
25.7 28.4 1.0 23.1 5.0 80 37.5 0.096
27.0 33.0 1.0 24.3 5.0 69 43.5 0.097
28.5 31.5 1.0 25.6 5.0 72 41.4 0.097
29.7 36.3 1.0 26.8 5.0 63 47.7 0.098
31.4 34.7 1.0 28.2 5.0 66 45.7 0.098
32.4 39.6 1.0 29.1 5.0 58 52.0 0.099
34.2 37.8 1.0 30.8 5.0 60 49.9 0.099
35.1 42.9 1.0 31.6 5.0 53 56.4 0.100
37.1 41.0 1.0 33.3 5.0 56 53.9 0.100
38.7 47.3 1.0 34.8 5.0 48 61.9 0.101
40.9 45.2 1.0 36.8 5.0 51 59.3 0.101
42.3 51.7 1.0 38.1 5.0 44 67.8 0.101
44.7 49.4 1.0 40.2 5.0 46 64.8 0.101
45.9 56.1 1.0 41.3 5.0 41 73.5 0.102
48.5 53.6 1.0 43.6 5.0 43 70.1 0.102
50.4 61.6 1.0 45.4 5.0 37 80.5 0.103
53.2 58.8 1.0 47.8 5.0 39 77.0 0.103
55.8 68.2 1.0 50.2 5.0 34 89.0 0.104
58.9 65.1 1.0 53.0 5.0 35.4 85.0 0.104
61.2 74.8 1.0 55.1 5.0 30.6 98.0 0.104
64.6 71.4 1.0 58.1 5.0 32.6 92.0 0.104
67.5 82.5 1.0 60.7 5.0 27.8 108 0.105
71.3 78.8 1.0 64.1 5.0 29.2 103 0.105
73.8 90.2 1.0 66.4 5.0 25.4 118 0.105
77.9 86.1 1.0 70.1 5.0 26.6 113 0.105
Page 2 of 4 Rev. 02 : March 25, 2005

ELECTRICAL CHARACTERISTICS
measured after It applied for 300
s., It = square wave pulse or equivalent.
square or equivalent sine wave.
PW = 8.3 ms, duty cycle = 4 pulses per minute maximum.
Rating at 25 °C ambient temperature unless otherwise specified
Breakdown Voltage @ It Working Peak Maximum Maximum Maximum Maximum
( Note 1 ) Reverse Reverse Leakage Reverse Clamping Temperature
TYPE
V
(V) It V
BR
Min. Max. (mA) (V) (µA) (A) (V)
Voltage @ V
RWM
I
R
RWM
Current Voltage @ I
I
RSM
V
RSM
RSM
Co-efficient
of V
BR
(% / °C)
3KE91
3KE91A
3KE100
3KE100A
3KE110
3KE110A
3KE120
3KE120A
3KE130
3KE130A
3KE150
3KE150A
3KE160
3KE160A
3KE170
3KE170A
3KE180
3KE180A
3KE200
3KE200A
3KE220
3KE220A
3KE250
3KE250A
3KE300
3KE300A
3KE350
3KE350A
3KE400
3KE400A
3KE440
3KE440A
81.9 100 1.0 73.7 5.0 22.8 131 0.106
86.5 95.5 1.0 77.8 5.0 24.0 125 0.106
90.0 110 1.0 81.0 5.0 20.8 144 0.106
95.0 105 1.0 85.5 5.0 22.0 137 0.106
99.0 121 1.0 89.2 5.0 19.0 158 0.107
105 116 1.0 94.0 5.0 19.8 152 0.107
108 132 1.0 97.2 5.0 17.4 173 0.107
114 126 1.0 102 5.0 18.2 165 0.107
117 143 1.0 105 5.0 16.0 187 0.107
124 137 1.0 111 5.0 16.8 179 0.107
135 165 1.0 121 5.0 14.0 215 0.108
143 158 1.0 128 5.0 14.4 207 0.108
144 176 1.0 130 5.0 13.0 230 0.108
152 168 1.0 136 5.0 13.6 219 0.108
153 187 1.0 138 5.0 12.4 244 0.108
162 179 1.0 145 5.0 12.8 234 0.108
162 198 1.0 146 5.0 11.6 258 0.108
171 189 1.0 154 5.0 12.2 246 0.108
180 220 1.0 162 5.0 10.4 287 0.108
190 210 1.0 171 5.0 11.0 274 0.108
198 242 1.0 175 5.0 8.6 344 0.108
209 231 1.0 185 5.0 9.2 328 0.108
225 275 1.0 202 5.0 10 360 0.110
237 263 1.0 214 5.0 10 344 0.110
270 330 1.0 243 5.0 10 430 0.110
285 315 1.0 256 5.0 10 414 0.110
315 385 1.0 284 5.0 8.0 504 0.110
332 368 1.0 300 5.0 8.0 482 0.110
360 440 1.0 324 5.0 8.0 574 0.110
380 420 1.0 342 5.0 8.0 548 0.110
396 484 1.0 356 5.0 4.8 631 0.110
418 462 1.0 376 5.0 5.0 602 0.110
F
F
Page 3 of 4 Rev. 02 : March 25, 2005

RATING AND CHARACTERISTIC CURVES ( 3KE SERIES )
FIG.1 - PULSE DERATING CURVE FIG.2 - MAXIMUM NON-REPETITIVE
SURGE CURRENT
120
240
100
80
60
40
PEAK POWER OR CURRENT
PEAK PULSE DERATING IN % OF
0
0 25 50 75 100 125 150 175
Ta, AMBIENT TEMPERATURE, ( °C)
FIG.3 - STEADY STATE POWER DERATING FIG.4 - PULSE RATING CURVE
5.00
3.75
2.50
(WATTS)
1.25
Single Phase Half Wave
60 Hz Resistive or Inductive load
, STEADY STATE POWER DISSIPATION
D
P
100 125
TL, LEAD TEMPERATURE (°C)
150
200
160
120
CURRENT, AMPERES
PEAK FORWARD SURGE
40
8.3 ms SINGLE HALF SINE WAVE
0
JEDEC METHOD
NUMBER OF CYCLES AT 60Hz
100
10
Pp,PEAK POWER (kW)
0.1µs 1.0µs 10µs 100µs
tp, PULSE WIDTH
1.0ms
10ms
FIG.5 - PULSE WAVEFORM
RMS
Peak Value
I
RMS
PEAK PULSE CURRENT - % I
0 1.0 2.0 3.0 4.0
tp
0
TJ=25 °C
Pulse Width (tp) is defined
as that point where the peak
current decays to 50%
of I
RSM
Half Value - I
RMS
2
10X1000 Waveform
as defined by R.E.A.
T, TIME(ms)
Page 4 of 4 Rev. 02 : March 25, 2005