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BK250-120-SZ AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

BK250-120-SZ product

BK250-120-SZ

PTC Resettable Fuses

PPTCResettable Fuse250VRadial

The BK250-120-SZ is a 250V radial PPTC resettable fuse designed for over-current protection in high-voltage circuits.

Best for

  • High voltage surge protection
  • Over-current protection in industrial circuits

Avoid if

  • Reflow soldering is required
  • Operating temperatures exceed 85°C

Check before use

  • Thermal derating chart for high ambient temperatures
  • Lead spacing compatibility

Key specifications

Hold Current
120 mA
Max Voltage
250 V
Mounting
Through Hole

Compliance & Environment

RoHS
-
REACH
-
MSL
1 (Unlimited)
ECCN
EAR99
HTSUS
8533.40.8070

Application

Power SuppliesIndustrial Controls

Datasheet

d827ccf9e43235a8437bb4ed1045a6df_2304140030_Brightking-BK250-120-SZ_C78375.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for BK250-120-SZ: 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
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Where to Buy

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Live prices updated on demand · Catalog (~) prices may differ

Alternative components

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

Design and risk insights

Questions & answers

It is a polymeric PTC (PPTC) resettable fuse from Yageo (Brightking) designed for over-current protection in circuits up to 250V.