621KD14 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

621KD14 product

621KD14

MOVs

MOVSurge Protection14mm

The 621KD14 is a 14mm Metal Oxide Varistor (MOV) providing robust transient voltage protection for industrial and consumer applications.

Best for

  • Surge protection in consumer electronics
  • Industrial power supplies

Avoid if

  • Applications requiring extremely low capacitance
  • Environments exceeding 85°C

Check before use

  • Maximum surge energy and clamping voltage requirements

Key specifications

Varistor Voltage
620 V
Max AC Voltage
385 V
Max Energy
125 J
Surge Current
4500 A

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
-
MSL
1 (Unlimited)
ECCN
EAR99
HTSUS
8533.40.4000

Application

Consumer ElectronicsIndustrial Electronics

CAD Models

Download ECAD models for 621KD14: 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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Where to Buy

Real-time and catalog pricing from verified distributors

Alternative components

1
B72214S0381K101EPCOS - TDK Electronics

The candidate B72214S0381K101 (SIOV-S14K385) matches all key electrical and physical parameters of the target 621KD14, including 385VAC/505VDC operating voltage, 620V varistor voltage, 1025V clamping voltage at 50A, 4500A peak surge current rating, 0.6W rated power, 14mm disc diameter, and 7.5mm lead spacing.

Datasheet verified

Design and risk insights

Questions & answers

It is a 14mm diameter Metal Oxide Varistor (MOV) used for surge protection.