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121KD20J AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

121KD20J product

121KD20J

Circuit Protection

MOVSurge Protection20mm

The 121KD20J is a 20mm disk-type metal oxide varistor (MOV) designed for high-surge transient voltage protection in industrial and consumer applications.

Best for

  • Surge protection in industrial electronics
  • Consumer electronics power supply protection

Avoid if

  • Applications requiring extremely low capacitance
  • Environments exceeding +105°C

Check before use

  • Verify the peak surge current and energy absorption requirements of the target circuit.

Key specifications

Varistor Voltage
120V
Max AC Voltage
75V
Peak Surge Current
10kA
Max Energy
85J

Compliance & Environment

RoHS
Compliant
REACH
-
MSL
1
ECCN
-
HTSUS
-

Application

Industrial ElectronicsConsumer Electronics

Datasheet

f9ca0d28005a4d35a23d35ecdecae7cc_2304140030_Brightking-121KD20J_C522138.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for 121KD20J: 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

Real-time and catalog pricing from verified distributors

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 high-surge capability metal oxide varistor (MOV) from the Brightking 20Φ series, used to protect sensitive electronic components from transient voltage spikes.