Littelfuse 1.5KE User Manual
Transient Voltage Suppression Diodes
Axial Leaded – 1500W > 1.5KE series
1.5KE Series
Uni-directional
Bi-directional
Agency Approvals
AGENCY AGENCY FILE NUMBER
E128662/E230531
Maximum Ratings and Thermal Characteristics
(T
=25°C unless otherwise noted)
A
Parameter Symbol Value Unit
Peak Pulse Power Dissipation by
10/1000μs Test Waveform (Fig.2)
(Note 1)
Steady State Power Dissipation on
Inifinite Heat Sink at T
Peak For ward Surge Current, 8.3ms
Single Half Sine Wave Unidirectional
Only (Note 2)
Maximum Instantaneous Forward
Voltage at 100A for Unidirectional
Only (Note 3)
Operating Junction and Storage
Temperature Range
Typical Thermal Resistance Junction
to Lead
Typical Thermal Resistance Junction
to Ambient
Notes:
1. Non-repetitive current pulse , per Fig. 4 and derated above T
2. Measured on 8.3ms single half sine wave or equivalent square wave, duty cycle=4 per
minute maximum.
<3.5V for devices of V
3. V
F
=75ºC (Fig. 6)
L
_< 200V and VF<5.0V for devices of VBR _> 201V.
BR
P
PPM
P
D
I
FSM
V
F
, T
T
J
STG
R
uJL
R
uJA
150 0 W
6.5 W
200 A
3.5/5.0 V
-55 to 150 °C
15 °C/W
75 °C/W
= 25°C per Fig. 3.
A
RoHS
Description
The 1.5KE Series is designed specifically to protect
sensitive electronic equipment from voltage transients
induced by lightning and other transient voltage events.
Features
VBR @TJ= VBR@25°C × (1+αT
•
x (TJ - 25))
(αT: Temperature Coefficient)
• Glass passivated chip
junction in DO-201
Package
• 1500W peak pulse
capability at 10/1000μs
waveform, repetition rate
(duty cycles):0.01%
• Fast response time:
typically less than 1.0ps
from 0 Volts to BV min
• Excellent clamping
capability
• Typical failure mode is
short from over-specified
voltage or current
• Whisker test is conducted
based on JEDEC
JESD201A per its table 4a
and 4c
• IEC-61000-4-2 ESD
• ESD protection of data
lines in accordance with
IEC 61000-4-2 (IEC801-2)
• EFT protection of data
lines in accordance with
IEC 61000-4-4 (IEC801-4)
• Low incremental surge
resistance
• Typical I
less than 1μA
R
above 13V
• High temperature
soldering guaranteed:
260°C/40 seconds /
0.375”,(9.5mm) lead
length, 5 lbs., (2.3kg)
tension
• Plastic package has
underwriters laboratory
flammability classification
94V-O
• Matte tin lead–free plated
• Halogen free and RoHS
compliant
15kV(Air), 8kV (Contact)
Applications
TVS devices are ideal for the protection of I/O interfaces,
V
bus and other vulnerable circuits used in telecom,
CC
computer, industrial and consumer electronic applications.
Functional Diagram
Bi-directional
Cathode
Uni-directional
© 2014 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 01/24/14
Anode
Additional Information
Datasheet
Resources
Samples
Transient Voltage Suppression Diodes
Axial Leaded – 1500W > 1.5KE series
Electrical Characteristics (T
Part
Number
(Uni)
1.5KE6.8A 1.5KE6.8CA 5.80 6.45 7. 14 10 10.5 144.8 1000 X
1.5KE7.5A 1.5KE7.5CA 6.40 7. 13 7.88 10 11. 3 134.5 500 X
1.5KE8.2A 1.5KE8.2CA 7.02 7.79 8.61 10 12.1 125.6 200 X
1.5KE9.1A 1.5KE9.1CA 7.78 8.65 9.50 1 13.4 113.4 50 X
1.5KE10A 1.5KE10CA 8.55 9.50 10.50 1 14.5 104.8 10 X
1.5KE11A 1.5KE11CA 9.40 10.50 11.60 1 15.6 97.4 5 X
1.5KE12A 1.5KE12CA 10.20 11.40 12.60 1 16.7 91.0 5 X
1.5KE13A 1.5KE13CA 11.10 12.40 13.70 1 18.2 83.5 1 X
1.5KE15A 1.5KE15CA 12.80 14.30 15.80 1 21.2 71.7 1 X
1.5KE16A 1.5KE16CA 13.60 15.20 16.80 1 22.5 67.6 1 X
1.5KE18A 1.5KE18CA 15.30 1 7. 10 18.90 1 25.2 60.3 1 X
1.5KE20A 1.5KE20CA 17. 1 0 19.00 21.00 1 27.7 54.9 1 X
1.5KE22A 1.5KE22CA 18.80 20.90 23.10 1 30.6 49.7 1 X
1.5KE24A 1.5KE24CA 20.50 22.80 25.20 1 33.2 45.8 1 X
1.5KE27A 1.5KE27CA 23.10 25.70 28.40 1 37.5 40.5 1 X
1.5KE30A 1.5KE30CA 25.60 28.50 31.50 1 41.4 36.7 1 X
1.5KE33A 1.5KE33CA 28.20 31.40 34.70 1 45.7 33.3 1 X
1.5KE36A 1.5KE36CA 30.80 34.20 37.80 1 49.9 30.5 1 X
1.5KE39A 1.5KE39CA 33.30 37.10 41.00 1 53.9 28.2 1 X
1.5KE43A 1.5KE43CA 36.80 40.90 45.20 1 59.3 25.6 1 X
1.5KE47A 1.5KE47CA 40.20 44.70 49.40 1 64.8 23.5 1 X
1.5KE51A 1.5KE51CA 43.60 48.50 53.60 1 70.1 21.7 1 X
1.5KE56A 1.5KE56CA 47.80 53.20 58.80 1 77.0 19.7 1 X
1.5KE62A 1.5KE62CA 53.00 58.90 65.10 1 85.0 1 7. 9 1 X
1.5KE68A 1.5KE68CA 58.10 64.60 71.40 1 92.0 16.5 1 X
1.5KE75A 1.5KE75CA 64.10 71.30 78.80 1 103.0 14.8 1 X
1.5KE82A 1.5KE82CA 70.10 77.90 86.10 1 113.0 13.5 1 X
1.5KE91A 1.5KE91CA 77.80 86.50 95.50 1 125.0 12.2 1 X
1.5KE100A 1.5KE100CA 85.50 95.00 105.00 1 137.0 11. 1 1 X
1.5KE110A 1.5KE110CA 94.00 105.00 116.00 1 152.0 10.0 1 X
1.5KE120A 1.5KE120CA 102.00 114.00 126.00 1 165.0 9.2 1 X
1.5KE130A 1.5KE130CA 111. 00 124.00 137.00 1 179.0 8.5 1 X
1.5KE150A 1.5KE150CA 128.00 143.00 158.00 1 207.0 7. 3 1 X
1.5KE160A 1.5KE160CA 136.00 152.00 168.00 1 219.0 6.9 1 X
1.5KE170A 1.5KE170CA 145.00 162.00 179.00 1 234.0 6.5 1 X
1.5KE180A 1.5KE180CA 154.00 171.00 189.00 1 246.0 6.2 1 X
1.5KE200A 1.5KE200CA 171.00 190.00 210.00 1 274.0 5.5 1 X
1.5KE220A 1.5KE220CA 185.00 209.00 231.00 1 328.0 4.6 1 X
1.5KE250A 1.5KE250CA 214.00 237.00 263.00 1 344.0 4.4 1 X
1.5KE300A 1.5KE300CA 256.00 285.00 315.00 1 414.0 3.7
1.5KE320A 1.5KE320CA 273.00 304.00 336.00 1 441.0 3.5 1 X
1.5KE350A 1.5KE350CA 300.00 332.00 368.00 1 482.0 3.2 1 X
1.5KE400A 1.5KE400CA 342.00 380.00 420.00 1 548.0 2.8 1 X
1.5KE440A 1.5KE440CA 376.00 418.00 462.00 1 602.0 2.5 1 X
1.5KE480A 1.5KE480CA 408.00 456.00 504.00 1 658.0 2.3 1 X
1.5KE510A 1.5KE510CA 434.00 485.00 535.00 1 698.0 2.1 1 X
1.5KE530A 1.5KE530CA 477.00 503.50 556.50 1 725.0 2.1 1 X
1.5KE540A 1.5KE540CA 486.00 513.00 567.00 1 740.0 2.0 1 X
1.5KE550A 1.5KE550CA 495.00 522.50 577.50 1 760.0 2.0 1 X
1.5KE600A 1.5KE600CA 512.00 570.00 630.00 1 828.0 1. 8 1
F
For bidirectional type having VR of 10 volts and less, the IR limit is double.
For parts without A, the V
Part
Number
(Bi)
is +10% and VC is 5% higher than with A parts.
BR
=25°C unless otherwise noted)
A
Reverse
Stand off
Voltage V
(Volts)
Breakdown Voltage
VBR (Volts) @ I
R
MIN MAX
T
Current
IT (mA)
Test
Clamping
Voltage
VC @ Ipp
(Volts)
Maximum
Maximum
Peak Pulse
Current I
(A)
pp
Maximum
Reverse
Leakage IR @
VR (µA)
1 X
Agency
Approval
Specifications are subject to change without notice.
© 2014 Littelfuse, Inc.
Revised: 01/24/14
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