What are the key electrical ratings?

It features a 30V maximum voltage, 120mA hold current, 290mA trip current, and a 100A maximum fault current.

What is the primary benefit of this component?

As a resettable device, it eliminates the need for manual fuse replacement after a fault, improving system reliability.

What should be considered during PCB design?

Ensure the solder pad layout follows the manufacturer's recommended dimensions to maintain solderability and thermal performance.

What should sourcing teams check before buying JK-NSMD012?

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

What is the pinout of JK-NSMD012?

Use the JK-NSMD012 datasheet for the official pinout diagram and pin names. In PartGenie, ask Datasheet AI about JK-NSMD012 pinout to locate pins, power rails, and interface signals before layout.

JK-NSMD012 Datasheet, Specs, Alternatives & ECAD | Jinrui Electronic Materials Co.

AI summary

The JK-NSMD012 is a 1206-sized PTC resettable fuse rated for 30V and 120mA hold current, ideal for compact overcurrent protection.

Best for

Consumer electronics
General circuit protection
Compact PCB designs

Avoid if

Applications requiring high-current continuous operation (>120mA)
Environments exceeding 85°C

Check before use

Thermal derating based on ambient temperature

Key specifications

Hold Current: 120mA
Trip Current: 290mA
Max Voltage: 30V
Package: 1206

Compliance & Environment

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

Application

Consumer ElectronicsGeneral Protection

Datasheet

665f93915cdc597338b1be33b21ba3dd_2304140030_Jinrui-Electronic-Materials-Co--JK-NSMD012_C369155.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for JK-NSMD012: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol

Schematic symbol for your EDA tool

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PCB Footprint

Land pattern for PCB layout

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3D Model

STEP file for mechanical design

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KiCad Library

Verified KiCad 8 symbol, footprint, and 3D model

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Alternative components

Part	Details	Match
SMD1206P012TFRUILON	Strong alternative with matching package, hold current, and a higher voltage rating (60V).	Needs validation

Design and risk insights

Questions & answers

It is a surface-mountable PTC resettable fuse in a 1206 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-NSMD012?+×

What are the key electrical ratings?+×

What is the primary benefit of this component?+×

What should be considered during PCB design?+×

What should sourcing teams check before buying JK-NSMD012?+×

What is the pinout of JK-NSMD012?+×