What are the key electrical ratings?

It features a 24V maximum operating voltage, 50mA hold current, 150mA trip current, and a maximum fault current rating of 20A.

What should engineers review before using this fuse?

Review the thermal derating chart provided in the datasheet, as the hold current decreases at higher ambient temperatures.

Is this device suitable for high-temperature environments?

It is rated for operation between -40°C and 85°C, but performance derating must be accounted for at the upper temperature limits.

What is the supply risk for this component?

The component is widely available through major distributors with high stock levels, indicating a low supply risk.

What should sourcing teams check before buying JK-SMD0603-005?

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

What is the pinout of JK-SMD0603-005?

Use the JK-SMD0603-005 datasheet for the official pinout diagram and pin names. In PartGenie, ask Datasheet AI about JK-SMD0603-005 pinout to locate pins, power rails, and interface signals before layout.

JK-SMD0603-005 Datasheet, Specs, Alternatives & ECAD | Jinrui Electronic Materials Co.

AI summary

The JK-SMD0603-005 is a 0603-sized PTC resettable fuse rated for 24V and 50mA hold current, ideal for compact overcurrent protection.

Best for

Consumer electronics
Portable devices
Network communication equipment

Avoid if

Applications exceeding 24V
Environments with extreme heat without thermal derating analysis

Check before use

Ambient temperature derating
Reflow soldering profile

Key specifications

Hold Current: 50mA
Trip Current: 150mA
Max Voltage: 24V
Package: 0603

Compliance & Environment

RoHS: Compliant
REACH: nan
MSL: nan
ECCN: nan
HTSUS: nan

Application

Consumer ElectronicsNetwork Communications

Datasheet

b4c11b3e1fe7642853fb7bfd022de968_2304140030_Jinrui-Electronic-Materials-Co--JK-SMD0603-005_C369141.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for JK-SMD0603-005: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

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PCB Footprint

Land pattern for PCB layout

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3D Model

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KiCad Library

Verified KiCad 8 symbol, footprint, and 3D model

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Alternative components

Part	Details	Match
BSMD0603-005-33VBHFUSE	Excellent upgrade with identical hold/trip currents and a higher voltage rating (33V vs 24V).	Needs validation

Design and risk insights

Questions & answers

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

AI summary

Best for

Avoid if

Check before use

Key specifications

Compliance & Environment

Application

Datasheet

CAD Models

Alternative components

Design and risk insights

Questions & answers

What is the JK-SMD0603-005?+×

What are the key electrical ratings?+×

What should engineers review before using this fuse?+×

Is this device suitable for high-temperature environments?+×

What is the supply risk for this component?+×

What should sourcing teams check before buying JK-SMD0603-005?+×

What is the pinout of JK-SMD0603-005?+×