© 2017 Littelfuse, Inc.

Specifications are subject to change without notice.

Revised: 09/14/17

TVS Diodes

Surface Mount > 600W > SZ1SMB Series

Dimensions

Part Marking System

NOTES:

1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982.

2. CONTROLLING DIMENSION: INCH.

3. D DIMENSION SHALL BE MEASURED WITHIN DIMENSION P.

Soldering Footrpint

Physical Specifications

Case

Void-free, transfer-molded,

thermosetting plastic

Polarity

Cathode indicated by polarity band

Mounting Position

Any

Finish

All external surfaces are corrosion

resistant and leads are readily solderable

Leads

Modified L−Bend providing more contact

area to bond pads

ORDERING INFORMATION

Device**

Package

Shipping†

SZ1SMBxxAT3G

SMB

(Pb−Free)

2,500 /

Tape & Reel

SZ1SMBxxCAT3G

SMB

(Pb−Free)

2,500 /

Tape & Reel

E

bD

L

c

A

A1

POLARITY INDICATOR

OPTIONAL AS NEEDED

(SEE STYLES)

Flow/Wave Soldering (Solder Dipping)

Peak Temperature :

Dipping Time :

10 seconds

D

Dim

Inches

Millimeters

Min

Nom

Max

Min

Nom

Max

A

0.077

0.091

0.097

1.95

2.30

2.47

A1

0.002

0.004

0.008

0.05

0.10

0.20

b

0.077

0.080

0.087

1.96

2.03

2.20

c

0.006

0.09

0.012

0.15

0.23

0.31

D

0.130

0.140

0.156

3.30

3.56

3.95

E

0.160

0.170

0.181

4.06

4.32

4.60

H

E

0.205

0.214

0.220

5.21

5.44

5.60

L

0.030

0.040

0.063

0.76

1.02

1.60

L1

0.020 REF

0.51 REF

Unidirectional

Bidirectional

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test each product selected for their own applications. Littelfuse products are not designed for, and may not be used in, all applications. Read complete