TransientVoltage Suppression Diodes
Axial Leaded – 1500W > 1.5KE series
RoHS
1.5KE Series
Description
The 1.5KE Series is designed specifically to protect
sensitive electronic equipment from voltage transients
induced by lightning and other transient voltage events.
Uni-directional
Features
Bi-directional
• VBR @TJ= VBR@25°C × (1+αT • ESD protection of data
lines in accordance with
IEC 61000-4-2 (IEC801-2)
x (TJ - 25))
(αT:Temperature Coefficient)
• EFT protection of data
lines in accordance with
IEC 61000-4-4 (IEC801-4)
• Low incremental surge
resistance
• Glass passivated chip
junction in DO-201
Package
• 1500W peak pulse
capability at 10/1000μs
waveform, repetition rate
(duty cycles):0.01%
Agency Approvals
AGENCY
AGENCY FILE NUMBER
E128662/E230531
• Typical IR less than 1μA
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
• 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
Maximum Ratings andThermal Characteristics
(TA=25°C unless otherwise noted)
Parameter
Symbol
PPPM
Value
1500
Unit
W
Peak Pulse Power Dissipation by
10/1000μsTest Waveform (Fig.2)
(Note 1)
Steady State Power Dissipation on
Inifinite Heat Sink atTL=75ºC (Fig. 6)
PD
6.5
W
A
• Matte tin lead–free plated
• Halogen free and RoHS
compliant
Peak Forward Surge Current, 8.3ms
Single Half Sine Wave Unidirectional
Only (Note 2)
IFSM
200
Maximum Instantaneous Forward
Voltage at 100A for Unidirectional
Only (Note 3)
15kV(Air), 8kV (Contact)
VF
3.5/5.0
V
Operating Junction and Storage
Temperature Range
TJ, TSTG -55 to 150
°C
Applications
TypicalThermal Resistance Junction
to Lead
RuJL
RuJA
15
75
°C/W
°C/W
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.
V
TypicalThermal Resistance Junction
to Ambient
Notes:
1. Non-repetitive current pulse , per Fig. 4 and derated aboveTA = 25°C per Fig. 3.
2. Measured on 8.3ms single half sine wave or equivalent square wave, duty cycle=4 per
minute maximum.
3. VF<3.5V for devices of VBR<_ 200V and VF<5.0V for devices of VBR >_ 201V.
Additional Information
Functional Diagram
Datasheet
Resources
Samples
Bi-directional
Cathode
Anode
Uni-directional
© 2014 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 01/24/14