SACB12 datasheet(39/146 Pages) LITTELFUSE

39 / 146 page

Speciﬁcations are subject to change without notice.

Please refer to http://www.littelfuse.com for current information.

Transient Voltage Suppression Diodes

1KSMB Series

Surface Mount – 1000W > 1KSMB series

The 1KSMB series is designed speciﬁcally to protect

sensitive electronic equipment from voltage transients

induced by lightning and other transient voltage events.

Description

1KSMB Series

RoHS

Agency Approvals

Features

applications to optimize

board space

temperature coefﬁcient

Δ V

BR = 0.1% × VBR@25°C

junction

capability at 10×1000μs

waveform, repetition rate

(duty cycles):0.01%

typically less than 1.0ps

from 0V to BV min

capability

resistance

R less than 1μA

above 12V

soldering guaranteed:

260°C/40 seconds at

terminals

Underwriters Laboratory

Flammability 94V-O

Plated

Voltage from 6.8V

to 160V specially

designed for automotive

applications

in compact package:

bridges the gap between

600W and 1.5KW

Applications

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

CC bus and other vulnerable circuits used in Telecom,

Computer, Industrial and Consumer electronic applications.

Maximum Ratings and Thermal Characteristics

A=25

C unless otherwise noted)

Parameter

Symbol

Value

Unit

Peak Pulse Power Dissipation at

A=25ºC by 10x1000μs waveform

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

PPM

1000

Power Dissipation on inﬁnite heat

sink at T

A=50

M(AV)

5.0

Peak Forward Surge Current, 8.3ms

Single Half Sine Wave (Note 3)

FSM

100

Maximum Instantaneous Forward

Voltage at 50A for Unidirectional

only (Note 4)

3.5V/5.0

Operating Junction and Storage

Temperature Range

J, TSTG

-65 to 150

°C

Typical Thermal Resistance Junction

to Lead

uJL

°C/W

Typical Thermal Resistance Junction

to Ambient

uJA

100

°C/W

Notes:

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

A = 25

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

F<3.5V for VBR _

50V and V

F<5.0V for VBR _

51V.

AGENCY

AGENCY FILE NUMBER

E128662

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