7D821K AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

7D821K product

7D821K

Circuit Protection

MOVVaristorSurge Protection

The 7D821K is a 7mm disc-type metal oxide varistor (MOV) designed for transient voltage surge suppression.

Best for

  • Overvoltage protection
  • Surge suppression

Avoid if

  • High-frequency signal lines where capacitance may interfere

Check before use

  • Maximum continuous operating voltage

Key specifications

Varistor Voltage
820 V
Clamping Voltage
1355 V
Energy Rating
34.4 J
Surge Current
1200 A

Compliance & Environment

RoHS
-
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Power SuppliesIndustrial

CAD Models

Download ECAD models for 7D821K: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
Schematic symbol for your EDA tool
Get Files
PCB Footprint
Land pattern for PCB layout
Get Files
3D Model
STEP file for mechanical design
Get Files
KiCad Library
Verified KiCad 8 symbol, footprint, and 3D model
Generate library

Alternative components

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

Design and risk insights

Questions & answers

It is a 7mm diameter metal oxide varistor (MOV) from HEL, used for protecting electronic circuits from voltage transients.