English
Language : 

1.5KE_09 Datasheet, PDF (1/5 Pages) Littelfuse – Transient Voltage Suppression Diodes
Transient Voltage Suppression Diodes
Axial Leaded – 1500W > 1.5KE series
RoHS 1.5KE Series
Agency Approvals
AGENCY
AGENCY FILE NUMBER
E128662/E230531
Maximum Ratings and Thermal Characteristics
(TA=25OC unless otherwise noted)
Parameter
Symbol Value Unit
Peak Pulse Power Dissipation by
10x1000μs test waveform (Fig.1)
(Note 1)
PPPM
1500
W
Steady State Power Dissipation on
inifinite heat sink at TL=75ºC (Fig. 5)
PD
Peak Forward Surge Current, 8.3ms
Single Half Sine Wave Unidirectional IFSM
only (Note 2)
Maximum Instantaneous Forward
Voltage at 100A for Unidirectional
only (Note 3)
VF
6.5
W
200
A
3.5/5.0
V
Operating Junction and Storage
Temperature Range
TJ, TSTG -55 to 175 °C
Typical Thermal Resistance Junction
to Lead
RuJL
15
°C/W
Typical Thermal Resistance Junction
to Ambient
RuJA
75
°C/W
Notes:
1. Non-repetitive current pulse , per Fig. 3 and derated above TA = 25OC per Fig. 2.
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.
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
t)BMPHFO'SFF
t -PXJODSFNFOUBMTVSHF
t 3P)4DPNQMJBOU
resistance
t 5ZQJDBMNBYJNVN
temperature coefficient
t 5ZQJDBM*R less than 1μA
above 13V
ΔVBR = 0.1% x VBR@25°C x ΔT t )JHIUFNQFSBUVSF
t (MBTTQBTTJWBUFEDIJQ
soldering guaranteed:
junction in DO-201
260°C/40 seconds /
Package
0.375”,(9.5mm) lead
t 8QFBLQVMTF
capability at 10×1000μs
length, 5 lbs., (2.3kg)
tension
waveform, repetition rate t 1MBTUJDQBDLBHFIBT
(duty cycles):0.01%
Underwriters Laboratory
t 'BTUSFTQPOTFUJNF
typically less than 1.0ps
Flammability classification
94V-O
from 0 Volts to BV min
t .BUUF5JO-FBEoGSFFQMBUFE
t &YDFMMFOUDMBNQJOH
capability
Applications
TVS devices are ideal for the protection of I/O interfaces,
VCC bus and other vulnerable circuits used in telecom,
computer, industrial and consumer electronic applications.
©2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to http://www.Littelfuse.com/series/1.5KE.html for current information.
87
Revision: January 09, 2009
1.5KE Series