What are the primary applications for this fuse?

It is commonly used in USB port protection, HDMI 1.4 source protection, mobile phones, PDAs, and digital cameras.

What are the key electrical specifications?

It features a 0.5A hold current, 1.0A trip current, 6V maximum voltage, and a resistance range of 0.100 to 0.800 Ohms.

What should be considered during assembly?

The device cannot be wave soldered. Use the recommended reflow profile to avoid performance degradation.

What should sourcing teams check before buying MF-FSMF050X-2?

Check lifecycle (Active), compliance data, distributor availability, and approved-source coverage. Current sourcing signal: Low; readiness: easy.

What is the pinout of MF-FSMF050X-2?

Use the MF-FSMF050X-2 datasheet for the official pinout diagram and pin names. In PartGenie, ask Datasheet AI about MF-FSMF050X-2 pinout to locate pins, power rails, and interface signals before layout.

MF-FSMF050X-2 Datasheet, Specs, Alternatives & ECAD | BOURNS

AI summary

The MF-FSMF050X-2 is a compact 0603 PPTC resettable fuse from Bourns, rated for 6V and 0.5A hold current, ideal for space-constrained consumer electronics protection.

Best for

Consumer electronics
USB/HDMI port protection
Compact PCB designs

Avoid if

Applications requiring wave soldering
Circuits exceeding 6V

Check before use

Thermal derating at high ambient temperatures

Key specifications

Hold Current: 0.5 A
Trip Current: 1.0 A
Max Voltage: 6 V
Package: 0603

Compliance & Environment

RoHS: ROHS3 Compliant
REACH: -
MSL: -
ECCN: EAR99
HTSUS: 8533290000.0

Application

Consumer ElectronicsUSB/HDMI Protection

Datasheet

Bourns-company-36.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for MF-FSMF050X-2: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

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Where to Buy

Real-time and catalog pricing from verified distributors

Alternative components

Part	Details	Match
BSMD0603-075-6VBHFUSE	A PTC fuse in the same 0603 package and 6V rating, but with a higher hold current (0.75A vs 0.5A). Review protection requirements.	Needs validation

Design and risk insights

Questions & answers

It is a surface-mount PTC resettable fuse in a 0603 package, designed to protect circuits from overcurrent conditions.

BSMD0603L-100BHFUSE	A PTC fuse in the same 0603 package and 6V rating, but with double the hold current (1.0A vs 0.5A). Use with caution.	Needs validation
JK-SMD0603-100LJinrui Electronic Materials Co.	A PTC fuse in the same 0603 package and 6V rating, but with double the hold current (1.0A vs 0.5A). Use with caution.	Needs validation

AI summary

Best for

Avoid if

Check before use

Key specifications

Compliance & Environment

Application

Datasheet

CAD Models

Where to Buy

Alternative components

Design and risk insights

Questions & answers

What is the MF-FSMF050X-2?+×

What are the primary applications for this fuse?+×

What are the key electrical specifications?+×

What should be considered during assembly?+×

What should sourcing teams check before buying MF-FSMF050X-2?+×

What is the pinout of MF-FSMF050X-2?+×