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14D391K AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

14D391K product

14D391K

Circuit Protection

MOVSurge Protection14mm

The HEL 14D391K is a standard 14mm metal oxide varistor (MOV) designed for transient voltage protection in AC/DC circuits.

Best for

  • Power supply protection
  • Industrial surge suppression

Avoid if

  • Applications requiring extremely low capacitance
  • High-frequency signal lines

Check before use

  • Ensure the clamping voltage is compatible with the downstream components' voltage tolerance.

Key specifications

Varistor Voltage
390V
Max AC Voltage
250V
Peak Surge Current
4500A
Energy Rating
123J

Compliance & Environment

RoHS
Compliant
REACH
Compliant
MSL
-
ECCN
-
HTSUS
-

Application

Power SuppliesIndustrial

Datasheet

e7b315f51557da1692668c19345d0a39_2403081021_RUILON-Shenzhen-Ruilongyuan-Elec-14D391K_C233161.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for 14D391K: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
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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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Alternative components

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

Design and risk insights

Questions & answers

It is a 14mm disk-type metal oxide varistor (MOV) used for protecting electronic circuits from transient voltage surges.