TVS

S M B J S e r i e s

Description

Agency Approvals

SMBJ Series

The SMBJ series is designed speci?cally to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events.Features

t )BMPHFO 'SFF t 3P)4 DPNQMJBOU

t 'PS TVSGBDF NPVOUFE applications to optimize board space

t -PX QSPmMF QBDLBHF t #VJMU JO TUSBJO SFMJFG t 5ZQJDBM NBYJNVN

temperature coef?cient

ΔV BR = 0.1% x V BR @25°C x ΔT t (MBTT QBTTJWBUFE DIJQ

junction

t 8 QFBL QVMTF QPXFS

capability at 10×1000μs

waveform, repetition rate

(duty cycles):0.01%

t 'BTU SFTQPOTF UJNF typically less than 1.0ps from 0V to BV min t &YDFMMFOU DMBNQJOH capability

t -PX JODSFNFOUBM TVSHF resistance

t 5ZQJDBM *R less than 1μA above 12V

t )JHI 5FNQFSBUVSF

soldering guaranteed: 260°C/40 seconds at terminals

t 1MBTUJD QBDLBHF IBT Underwriters Laboratory Flammability 94V-O t .BUUF 5JO -FBEoGSFF 1MBUFE Applications

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.

Maximum Ratings and Thermal Characteristics (T A =25O

C unless otherwise noted)

Notes:

1. Non-repetitive current pulse , per Fig. 3 and derated above T A = 25O 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 V BR _<

200V and V F <5.0V for V BR _> 201V .RoHS

24

?2009 Littelfuse, Inc.

SMBJ Series

Electrical Characteristics

For bidirectional type having V R of 10 volts and less, the I R limit is double. For parts without A , the V BR is ± 10% and Vc is 5% higher than with A parts.

S M B J S e r i e s

Ratings and Characteristic Curves (T A

=25°C unless otherwise noted)

123456

25

50

75

100

125

150

175

P M (A V ), S t e a d y S t a t e P o w e r D i s s i p a t i o n (W )

T A - Ambient Temperature (oC)

Figure 1 - Peak Pulse Power Rating Figure 2 - Pulse Derating Curve

Figure 3 - Pulse Waveform

Figure 4 - T ypical Junction Capacitance

Figure 5 - Steady State Power Dissipation Derating Curve

0204060801001201

10

100

Number of Cycles at 60 Hz

I F S M - P e a k F o r w a r d S u r g e C u r r e n t (A )

Figure 6 - Maximum Non-Repetitive Peak Forward

Surge Current Uni-Directional Only

26

?2009 Littelfuse, Inc.

SMBJ Series

Physical Speci?cations

Environmental Speci?cations

Soldering Parameters

S

M

B

J

S

e

r

i

e

s Part Numbering System

Packaging

Part Marking System

Dimensions

DO-214AA (SMB J-Bend)

Marking Code

Littelfuse Logo