What are the key electrical ratings?

It features a 24V maximum operating voltage, 2A hold current, 4A trip current, and a maximum interrupt current of 100A.

What should engineers review before using this device?

Ensure the circuit operating voltage does not exceed 24V and that the device is not used in applications with frequent, prolonged fault conditions.

What are the soldering requirements?

The device is designed for standard reflow soldering. Wave soldering to the bottom side of the board is not recommended.

What is the sourcing status?

The component is currently active and widely available through major distributors.

What is the pinout of JK-MSMD200-24V?

Use the JK-MSMD200-24V datasheet for the official pinout diagram and pin names. In PartGenie, ask Datasheet AI about JK-MSMD200-24V pinout to locate pins, power rails, and interface signals before layout.

JK-MSMD200-24V Datasheet, Specs, Alternatives & ECAD | Jinrui Electronic Materials Co.

AI summary

The JK-MSMD200-24V is a surface-mount 1812 PPTC resettable fuse rated for 24V and 2A hold current, ideal for overcurrent protection in compact electronic designs.

Best for

Overcurrent protection in consumer electronics
Power supply output protection
Network communication equipment

Avoid if

Applications requiring frequent tripping
Circuits exceeding 24V operating voltage

Check before use

Reflow profile compatibility
Thermal environment constraints

Key specifications

Hold Current: 2A
Trip Current: 4A
Max Voltage: 24V
Package: 1812

Compliance & Environment

RoHS: Compliant
REACH: -
MSL: -
ECCN: -
HTSUS: -

Application

Consumer ElectronicsPower SuppliesNetwork Communications

Datasheet

d86db0f42f7acbe5f18ad6b1f7881692_2203301130_Jinrui-Electronic-Materials-Co--JK-MSMD200-24V_C561584.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for JK-MSMD200-24V: 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

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Alternative components

Part	Details	Match
SMD1812-200C-30VBNstar	Matches power dissipation and offers higher voltage, but has a lower max fault current.	Needs validation

Design and risk insights

Questions & answers

It is a surface-mount PPTC (Polymeric Positive Temperature Coefficient) resettable fuse in an 1812 package, designed to protect circuits from overcurrent.

BSMD1812-200-24VBHFUSE	Matches package, hold current, and voltage, but has a lower max fault current rating requiring review.	Needs validation
BSMD1812-200-33VBHFUSE	Offers a higher voltage rating but has a lower max fault current, requiring careful design review.	Needs validation

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-MSMD200-24V?+×

What are the key electrical ratings?+×

What should engineers review before using this device?+×

What are the soldering requirements?+×

What is the sourcing status?+×

What is the pinout of JK-MSMD200-24V?+×