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©2009 Littelfuse, Inc.

Specifications are subject to change without notice.

Transient Voltage Suppression Diodes

Revision: January 09, 2009

SMBJ Series

Surface Mount – 600W > SMBJ series

Please refer to http://www.Littelfuse.com/series/SMBJ.html for current information.

Description

Agency Approvals

SMBJ Series

The SMBJ series is designed specifically to protect

sensitive electronic equipment from voltage transients

induced by lightning and other transient voltage events.

Features

applications to optimize

board space

temperature coefficient

ΔV

junction

capability at 10×1000μs

waveform, repetition rate

(duty cycles):0.01%

typically less than 1.0ps

from 0V to BV min

capability

resistance

above 12V

soldering guaranteed:

260°C/40 seconds at

terminals

Underwriters Laboratory

Flammability 94V-O

Applications

TVS devices are ideal for the protection of I/O Interfaces,

V

Computer, Industrial and Consumer electronic applications.

Maximum Ratings and Thermal Characteristics

(T

O

C unless otherwise noted)

Parameter

Symbol

Value

Unit

Peak Pulse Power Dissipation at

T

(Fig.1)(Note 1), (Note 2)

P

PPM

600

W

Power Dissipation on infinite heat

sink at T

O

C

P

M(AV)

5.0

W

Peak Forward Surge Current, 8.3ms

Single Half Sine Wave (Note 3)

I

FSM

100

A

Maximum Instantaneous Forward

Voltage at 50A for Unidirectional

only (Note 4)

V

F

3.5V/5.0

V

Operating Junction and Storage

Temperature Range

T

-65 to 150

°C

Typical Thermal Resistance Junction

to Lead

R

uJL

20

°C/W

Typical Thermal Resistance Junction

to Ambient

R

uJA

100

°C/W

Notes:

1. Non-repetitive current pulse , per Fig. 3 and derated above T

O

C per Fig. 2.

2. Mounted on copper pad area of 0.2x0.2” (5.0 x 5.0mm) to each terminal.

3. Measured on 8.3ms single half sine wave or equivalent square wave for unidirectional

device only, duty cycle=4 per minute maximum.

4. V

<

200V and V

>

201V.

AGENCY

AGENCY FILE NUMBER

E128662/E230531

RoHS