47

©2009 Littelfuse, Inc.

Specifications are subject to change without notice.

Transient Voltage Suppression Diodes

Revision: January 09, 2009

Surface Mount – 1500W > 1.5SMC series

1.5SMC Series

Please refer to http://www.Littelfuse.com/series/1.5SMC.html for current information.

1.5SMC Series

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

V

Computer, Industrial and Consumer electronic applications.

Applications

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 13V

soldering guaranteed:

260°C/40 seconds at

terminals

Underwriters Laboratory

Flammability 94V-O

Features

The 1.5SMC 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 at

T

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

P

PPM

1500

W

Power Dissipation on infinite heat

sink at T

O

C

P

M(AV)

6.5

W

Peak Forward Surge Current, 8.3ms

Single Half Sine Wave (Note 3)

I

FSM

200

A

Maximum Instantaneous Forward

Voltage at 100A for Unidirectional

only (Note 4)

V

F

3.5/5.0

V

Operating Junction and Storage

Temperature Range

T

-65 to 150

°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. Mounted on copper pad area of 0.31x0.31” (8.0 x 8.0mm) 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.

Maximum Ratings and Thermal Characteristics

(T

O

C unless otherwise noted)

Agency Approvals

AGENCY

AGENCY FILE NUMBER

E230531

RoHS