S2F

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Vishay Sfernice

Revision: 09-Oct-2025

1

Document Number: 50087

For technical questions, contact: sferthinfilm@vishay.com

THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT

ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000

Fast Acting Thin Film Chip Fuses

LINKS TO ADDITIONAL RESOURCES

FEATURES

• 3 sizes: 0402, 0603, and 1206

• Maximal protection as fuses are designed to

open in t < 1 min at 200 % overload

• UL 248-14 compliant

• From 0.315 A to 7 A

• Low resistance

• Body temperature rising < 75 °C at 100 % rated current

• Material categorization: for definitions of compliance

please see www.vishay.com/doc?99912

S2F thin film chip fuses are designed to ensure circuit continuity with minimal resistance and reliable interruption under overload

condition. Particularly adapted to be compatible with numerous applications in the sector of electronics. They comply with

industrial and government standards, as well as Vishay quality and reliability requirements. For very fast acting see S3F

datasheet.

DIMENSIONS

333

DDD3 D

3D Models

TECHNICAL SPECIFICATIONS

DESCRIPTION

S2F0402

S2F0603

S2F1206

Imperial size

0402

0603

1206

Rated current

IN range

0.315 A to 4.00 A

0.40 A to 5.00 A

0.50 A to 7.00 A

Rated voltage

Umax. DC

32 V

32 V and 50 V

32 V and 63 V

Cold resistance at

I ≤ 0.1 x IN

12 m

Ω to 690 mΩ

11 m

Ω to 496 mΩ

7.5 m

Ω to 517 mΩ

Fusing time

Open within 1 min at 200 % rated power

Body temperature rise

< 75 °C at 100 % rated current

Operating temperature range

-25 °C to 125 °C with proper derating factor

Approved UL 248-14 recognition file

E548286

DIMENSIONS AND TOLERANCES in millimeters (inches)

TYPE

A

B

C

D

E

S2F0402

1.00 ± 0.10

(0.039 ± 0.004)

0.52 ± 0.05

(0.020 ± 0.002)

0.35 ± 0.05

(0.014 ± 0.002)

0.20 ± 0.10

(0.008 ± 0.004)

0.25 ± 0.10

(0.010 ± 0.004)

S2F0603

1.60 ± 0.10

(0.063 ± 0.004)

0.80 ± 0.10

(0.031 ± 0.004)

0.45 ± 0.10

(0.018 ± 0.004)

0.30 ± 0.20

(0.012 ± 0.008)

0.35 ± 0.20

(0.014 ± 0.008)

S2F1206

3.10 ± 0.10

(0.122 ± 0.004)

1.55 ± 0.10

(0.061 ± 0.004)

0.60 ± 0.10

(0.024 ± 0.004)

0.50 ± 0.30

(0.020 ± 0.012)

0.50 ± 0.20

(0.020 ± 0.008)

A

D

D

C

E

E

B

F