It is a 14mm diameter Metal Oxide Varistor (MOV) used for surge protection.
621KD14 AI Analysis:
Datasheet, Specs, Alternatives & ECAD
AI summary
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
Datasheet
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
PCB Footprint
Land pattern for PCB layout
3D Model
STEP file for mechanical design
KiCad Library
Verified KiCad 8 symbol, footprint, and 3D model
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.