JK250-145U AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

JK250-145U product

JK250-145U

Fuses

PTCResettable FuseOvercurrent Protection

The JK250-145U is a radial-leaded PTC resettable fuse providing reliable overcurrent protection for circuits operating up to 250Vrms.

Best for

  • Overcurrent protection in electronic circuits

Avoid if

  • Applications requiring continuous current significantly above 145mA

Check before use

  • Thermal derating curves for high-temperature environments

Key specifications

Hold Current
145 mA
Trip Current
290 mA
Max Voltage
250 Vrms
Resistance Range
3.5 - 6.5 Ohm

Compliance & Environment

RoHS
Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Circuit Protection

CAD Models

Download ECAD models for JK250-145U: 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

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

It is a polymer PTC resettable fuse designed to protect circuits from overcurrent conditions by increasing its resistance when tripped.