
1.5KE SERIES TRANSIENT VOLTAGE
DEVICES FOR BIPOLAR APPLICATIONS
(1) Non-repetitive Current pulse, per Fig. 5 and derated above Ta = 25
(2) Mounted on Copper Leaf area of 1.57 in
SUPPRESSOR
DO-201AD
* 1500W 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 10V
* Case : DO-201AD Molded 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 : 1.21 grams
0.21 (5.33)
0.19 (4.83)
0.052 (1.32)
0.048 (1.22)
Dimensions in inches and (millimeters)
1.00 (25.4)
MIN.
0.375 (9.53)
0.285 (7.24)
1.00 (25.4)
MIN.
For Bi-directional use C or CA Suffix
Electrical characteristics apply in both directions
Rating at 25 °C ambient temperature unless otherwise specified.
Rating Symbol Value Unit
Peak Power Dissipation at Ta = 25 °C, Tp=1ms (Note1) P
Steady State Power Dissipation at TL = 75 °C
Lead Lengths 0.375", (9.5mm)
(Note 2)
Peak Forward Surge Current, 8.3ms Single Half
Sine-Wave Superimposed on Rated Load
(JEDEC Method) (Note 3) IFSM 200 Amps.
Operating and Storage Temperature Range TJ, TSTG - 65 to + 175 °
2
2
(3) 8.3 ms single half sine-wave, duty cycle = 4 pulses per minutes maximum.
PK
D
P
Minimum 1500 Watts
5.0 Watts
C
°

ELECTRICAL CHARACTERISTICS
Rating at = 25 °C ambient temperature unless otherwise specified
Breakdown Voltage @ It Working Peak Maximum Maximum Maximum Maximum
Unidirectional
BR
Voltage
RWM
RWM
RSM
RSM
RSM
Axial Lead Min. Max. (mA) (V)
1.5KE6.8 6.12 7.48 10 5.50 1000 139 10.8 0.057
1.5KE6.8A 6.45 7.14 10 5.80 1000 143 10.5 0.057
1.5KE7.5 6.75 8.25 10 6.05 500 128 11.7 0.061
1.5KE7.5A 7.13 7.88 10 6.40 500 132 11.3 0.061
1.5KE8.2 7.38 9.02 10 6.63 200 120 12.5 0.065
1.5KE8.2A 7.79 8.61 10 7.02 200 124 12.1 0.065
1.5KE9.1 8.19 10.0 1.0 7.37 50 109 13.8 0.068
1.5KE9.1A 8.65 9.55 1.0 7.78 50 112 13.4 0.068
1.5KE10 9.00 11.0 1.0 8.10 10 100 15.0 0.073
1.5KE10A 9.50 10.5 1.0 8.55 10 103 14.5 0.073
1.5KE11 9.90 12.1 1.0 8.92 5.0 93.0 16.2 0.075
1.5KE11A 10.5 11.6 1.0 9.40 5.0 96.0 15.6 0.075
1.5KE12 10.8 13.2 1.0 9.72 5.0 87.0 17.3 0.078
1.5KE12A 11.4 12.6 1.0 10.2 5.0 90.0 16.7 0.078
1.5KE13 11.7 14.3 1.0 10.5 5.0 79.0 19.0 0.081
1.5KE13A 12.4 13.7 1.0 11.1 5.0 82.0 18.2 0.081
1.5KE15 13.5 16.5 1.0 12.1 5.0 68.0 22.0 0.084
1.5KE15A 14.3 15.8 1.0 12.8 5.0 71.0 21.2 0.084
1.5KE16 14.4 17.6 1.0 12.9 5.0 64.0 23.5 0.086
1.5KE16A 15.2 16.8 1.0 13.6 5.0 67.0 22.5 0.086
1.5KE18 16.2 19.8 1.0 14.5 5.0 56.5 26.5 0.088
1.5KE18A 17.1 18.9 1.0 15.3 5.0 59.5 25.2 0.088
1.5KE20 18.0 22.0 1.0 16.2 5.0 51.5 29.1 0.090
1.5KE20A 19.0 21.0 1.0 17.1 5.0 54.0 27.7 0.090
1.5KE22 19.8 24.2 1.0 17.8 5.0 47.0 31.9 0.092
1.5KE22A 20.9 23.1 1.0 18.8 5.0 49.0 30.6 0.092
1.5KE24 21.6 26.4 1.0 19.4 5.0 43.0 34.7 0.094
1.5KE24A 22.8 25.2 1.0 20.5 5.0 45.0 33.2 0.094
1.5KE27 24.3 29.7 1.0 21.8 5.0 38.5 39.1 0.096
1.5KE27A 25.7 28.4 1.0 23.1 5.0 40.0 37.5 0.096
1.5KE30 27.0 33.0 1.0 24.3 5.0 34.5 43.5 0.097
1.5KE30A 28.5 31.5 1.0 25.6 5.0 36.0 41.4 0.097
1.5KE33 29.7 36.3 1.0 26.8 5.0 31.5 47.7 0.098
1.5KE33A 31.4 34.7 1.0 28.2 5.0 33.0 45.7 0.098
1.5KE36 32.4 39.6 1.0 29.1 5.0 29.0 52.0 0.099
1.5KE36A 34.2 37.8 1.0 30.8 5.0 30.0 49.9 0.099
1.5KE39 35.1 42.9 1.0 31.6 5.0 26.5 56.4 0.100
1.5KE39A 37.1 41.0 1.0 33.3 5.0 28.0 53.9 0.100
1.5KE43 38.7 47.3 1.0 34.8 5.0 24.0 61.9 0.101
1.5KE43A 40.9 45.2 1.0 36.8 5.0 25.3 59.3 0.101
1.5KE47 42.3 51.7 1.0 38.1 5.0 22.2 67.8 0.101
1.5KE47A 44.7 49.4 1.0 40.2 5.0 23.2 64.8 0.101
1.5KE51 45.9 56.1 1.0 41.3 5.0 20.4 73.5 0.102
1.5KE51A 48.5 53.6 1.0 43.6 5.0 21.4 70.1 0.102
1.5KE56 50.4 61.6 1.0 45.4 5.0 18.6 80.5 0.103
1.5KE56A 53.2 58.8 1.0 47.8 5.0 19.5 77.0 0.103
1.5KE62 55.8 68.2 1.0 50.2 5.0 16.9 89.0 0.104
BR

ELECTRICAL CHARACTERISTICS
°
C ambient temperature unless otherwise specified
measured after It applied for 300
s., It = square wave pulse or equivalent.
= 100 Amps. ( 6.8 Volts thru 91 Volts )
= 100 Amps. ( 100 Volts thru 440 Volts ) per 1/2
square or equivalent sine wave.
PW = 8.3 ms, duty cycle = 4 pulses per minute maximum.
Breakdown Voltage @ It Working Peak Maximum Maximum Maximum Maximum
Unidirectional
BR
Voltage
RWM
RWM
RSM
RSM
RSM
Axial Lead Min. Max. (mA) (V)
1.5KE62A 58.9 65.1 1.0 53.0 5.0 17.7 85.0 0.104
1.5KE68 61.2 74.8 1.0 55.1 5.0 15.3 98.0 0.104
1.5KE68A 64.6 71.4 1.0 58.1 5.0 16.3 92.0 0.104
1.5KE75 67.5 82.5 1.0 60.7 5.0 13.9 108 0.105
1.5KE75A 71.3 78.8 1.0 64.1 5.0 14.6 103 0.105
1.5KE82 73.8 90.2 1.0 66.4 5.0 12.7 118 0.105
1.5KE82A 77.9 86.1 1.0 70.1 5.0 13.3 113 0.105
1.5KE91 81.9 100 1.0 73.7 5.0 11.4 131 0.106
1.5KE91A 86.5 95.5 1.0 77.8 5.0 12.0 125 0.106
1.5KE100 90.0 110 1.0 81.0 5.0 10.4 144 0.106
1.5KE100A 95.0 105 1.0 85.5 5.0 11.0 137 0.106
1.5KE110 99.0 121 1.0 89.2 5.0 9.5 158 0.107
1.5KE110A 105 116 1.0 94.0 5.0 9.9 152 0.107
1.5KE120 108 132 1.0 97.2 5.0 8.7 173 0.107
1.5KE120A 114 126 1.0 102 5.0 9.1 165 0.107
1.5KE130 117 143 1.0 105 5.0 8.0 187 0.107
1.5KE130A 124 137 1.0 111 5.0 8.4 179 0.107
1.5KE150 135 165 1.0 121 5.0 7.0 215 0.108
1.5KE150A 143 158 1.0 128 5.0 7.2 207 0.108
1.5KE160 144 176 1.0 130 5.0 6.5 230 0.108
1.5KE160A 152 168 1.0 136 5.0 6.8 219 0.108
1.5KE170 153 187 1.0 138 5.0 6.2 244 0.108
1.5KE170A 162 179 1.0 145 5.0 6.4 234 0.108
1.5KE180 162 198 1.0 146 5.0 5.8 258 0.108
1.5KE180A 171 189 1.0 154 5.0 6.1 246 0.108
1.5KE200 180 220 1.0 162 5.0 5.2 287 0.108
1.5KE200A 190 210 1.0 171 5.0 5.5 274 0.108
1.5KE220 198 242 1.0 175 5.0 4.3 344 0.108
1.5KE220A 209 231 1.0 185 5.0 4.6 328 0.108
1.5KE250 225 275 1.0 202 5.0 5.0 360 0.110
1.5KE250A 237 263 1.0 214 5.0 5.0 344 0.110
1.5KE300 270 330 1.0 243 5.0 5.0 430 0.110
1.5KE300A 285 315 1.0 256 5.0 5.0 414 0.110
1.5KE350 315 385 1.0 284 5.0 4.0 504 0.110
1.5KE350A 332 368 1.0 300 5.0 4.0 482 0.110
1.5KE400 360 440 1.0 324 5.0 4.0 574 0.110
1.5KE400A 380 420 1.0 342 5.0 4.0 548 0.110
1.5KE440 396 484 1.0 356 5.0 2.38 631 0.110
1.5KE440A 418 462 1.0 376 5.0 2.50 602 0.110
BR
F
F

RATING AND CHARACTERISTIC CURVES ( 1.5KE SERIES )
FIG.1 - PULSE DERATING CURVE FIG.2 - MAXIMUM NON-REPETITIVE
120
100 200
80
60
40
PEAK POWER OR CURRENT
PEAK PULSE DERATING IN % OF
0 25 50 75 100 125 150 175
Ta, AMBIENT TEMPERATURE, ( °C)
FIG.3 - STEADY STATE POWER DERATING FIG.4 - PULSE RATING CURVE
5.00 100
3.75
2.50
(WATTS)
240
160
120
CURRENT, AMPERES
PEAK FORWARD SURGE
40
8.3 ms SINGLE HALF SINE WAVE
0
10
JEDEC METHOD
Single Phase Half Wave
60 Hz Resistive or Inductive load
PD, STEADY STATE POWER DISSIPATION
100 125
150
TL, LEAD TEMPERATURE (°C)
TJ=25 °C
Peak Value
IRMS
PEAK PULSE CURRENT - % I RMS
0 1.0 2.0 3.0 4.0
tp
0
Pulse Width (tp) is defined
as that point where the peak
current decays to 50%
of IRSM
Half Value - IRMS
2
10X1000 Waveform
T, TIME(ms)
Pp,PEAK POWER (kW)
0.1µs 1.0µs 10µs 100µs
tp, PULSE WIDTH
1.0ms
10ms