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©2009 Littelfuse, Inc.

Specifications are subject to change without notice.

Transient Voltage Suppression Diodes

Revision: January 09, 2009

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

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

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

-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

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

<

200V and V

>

201V.

Maximum Ratings and Thermal Characteristics

(T

O

C unless otherwise noted)

Agency Approvals

temperature coefficient

ΔV

junction in DO-201

Package

capability at 10×1000μs

waveform, repetition rate

(duty cycles):0.01%

typically less than 1.0ps

from 0 Volts to BV min

capability

resistance

above 13V

soldering guaranteed:

260°C/40 seconds /

0.375”,(9.5mm) lead

length, 5 lbs., (2.3kg)

tension

Underwriters Laboratory

Flammability classification

94V-O

RoHS