RS0420-220MS AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

RS0420-220MS product

RS0420-220MS

Chokes

22 µHmolded inductorSMD1.2 A heat ratingRS0420 series

RS0420-220MS is a 22 µH molded SMD power inductor for compact power-conversion designs requiring up to 1.2 A heat-rating current under the stated test conditions.

Best for

  • Compact DC-DC power stages
  • Low-current power filtering

Avoid if

  • The design requires verified compliance declarations
  • Current margin above the stated 1.2 A heat-rating condition is required

Check before use

  • Inductance reduction at operating DC bias
  • Temperature rise in the final PCB
  • Manufacturer compliance and lifecycle documentation

Key specifications

Inductance
22 µH ±20%
DC resistance
363 mΩ max.
Heat-rating current
1.2 A max. at ΔT 40 °C
Saturation current
1.7 A max. at 30% inductance drop
Package
4.2 mm × 4.4 mm × 2.0 mm nominal

Compliance & Environment

RoHS
-
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

DC-DC convertersPower filtering

CAD Models

Download ECAD models for RS0420-220MS: 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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Alternative components

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

Design and risk insights

Questions & answers

RS0420-220MS is a Ruishen RS0420-series integrated molded SMD power inductor with a nominal inductance of 22 µH and ±20% tolerance.