Datasheet

Revision: January 04, 2011, 16:47
©2010 Littelfuse, Inc.
Specifications are subject to change without notice.
Transient Voltage Suppression Diodes
87
Axial Leaded – 1500W > 1.5KE series
1.5KE Series
Please refer to http://www.Littelfuse.com/series/1.5KE.html for current information.
AGENCY AGENCY FILE NUMBER
E128662/E230531
1.5KE Series
TVS devices are ideal for the protection of I/O interfaces,
V
CC
bus and other vulnerable circuits used in telecom,
computer, industrial and consumer electronic applications.
Applications
Features
The 1.5KE Series is designed specifically to protect
sensitive electronic equipment from voltage transients
induced by lightning and other transient voltage events.
Description
Parameter Symbol Value Unit
Peak Pulse Power Dissipation by
10x1000μs test waveform (Fig.1)
(Note 1)
P
PPM
1500 W
Steady State Power Dissipation on
inifinite heat sink at T
L
=75ºC (Fig. 5)
P
D
6.5 W
Peak Forward Surge Current, 8.3ms
Single Half Sine Wave Unidirectional
only (Note 2)
I
FSM
200 A
Maximum Instantaneous Forward
Voltage at 100A for Unidirectional
only (Note 3)
V
F
3.5/5.0 V
Operating Junction and Storage
Temperature Range
T
J
, T
STG
-55 to 175 °C
Typical Thermal Resistance Junction
to Lead
R
uJL
15 °C/W
Typical Thermal Resistance Junction
to Ambient
R
uJA
75 °C/W
Notes:
1. Non-repetitive current pulse , per Fig. 3 and derated above T
A
= 25
O
C per Fig. 2.
2. Measured on 8.3ms single half sine wave or equivalent square wave, duty cycle=4 per
minute maximum.
3. V
F
<3.5V for devices of V
BR
_ < 200V and V
F
<5.0V for devices of V
BR
_ > 201V.
Maximum Ratings and Thermal Characteristics
(T
A
=25
O
C unless otherwise noted)
Agency Approvals
t)BMPHFO'SFF
t 3P)4DPNQMJBOU
t 5ZQJDBMNBYJNVN
temperature coefficient
ΔV
BR
= 0.1% x V
BR
@25°C x ΔT
t (MBTTQBTTJWBUFEDIJQ
junction in DO-201
Package
t 8QFBLQVMTF
capability at 10×1000μs
waveform, repetition rate
(duty cycles):0.01%
t 'BTUSFTQPOTFUJNF
typically less than 1.0ps
from 0 Volts to BV min
t &YDFMMFOUDMBNQJOH
capability
t -PXJODSFNFOUBMTVSHF
resistance
t 5ZQJDBM*
R
less than 1μA
above 13V
t )JHIUFNQFSBUVSF
soldering guaranteed:
260°C/40 seconds /
0.375”,(9.5mm) lead
length, 5 lbs., (2.3kg)
tension
t 1MBTUJDQBDLBHFIBT
Underwriters Laboratory
Flammability classification
94V-O
t .BUUF5JO-FBEoGSFFQMBUFE
RoHS
SMAJ Series