S3F

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Vishay Sfernice

Revision: 09-Oct-2025

1

Document Number: 50088

For technical questions, contact: sferthinfilm@vishay.com

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Very 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 < 5 s at 200 % overload

• UL 248-14 compliant

• From 0.5 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

S3F 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.

DIMENSIONS

333

DDD3 D

3D Models

TECHNICAL SPECIFICATIONS

DESCRIPTION

S3F0402

S3F0603

S3F1206

Imperial size

0402

0603

1206

Rated current

IN range

0.50 A to 4.00 A

0.50 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

16 m

Ω to 380 mΩ

10 m

Ω to 260 mΩ

9 m

Ω to 527.5 mΩ

Fusing time

Open within 5 s 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

S3F0402

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)

S3F0603

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)

S3F1206

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