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SMMS0420

Power Inductor

The SMMS0420 is a power inductor from Sumida. View the full SMMS0420 datasheet below including key specifications.

SMMS0420 shares its datasheet with SMMS0420-100M, whose page lists every part number it covers.

Official SMMS0420 datasheet (PDF) — the source this page was extracted from.

Manufacturer

Sumida

Category

Inductors

SMMS0420 Key Specifications

ParameterValue
Switching Frequencyup to 3MHz
Absolute Maximum Voltage30VDC
DC Resistance (SMMS0420)3.00mΩ to 220.00mΩ typical (3.50mΩ to 240.00mΩ max)
Body Dimensions (SMMS0420)4.60±0.30 x 4.2±0.20 mm, 2.0mm max height
Inductance Range (SMMS0420)0.10µH to 10.00µH ±20% (100kHz, 1.0V, @0A)
Operating Temperature Range-55°C to +125°C (including self temperature rise)
Saturation Current Isat (SMMS0420)2.00A to 25.00A (L drop ~30%)
Heat Rating Current Irms (SMMS0420)1.60A to 13.00A (ΔT ~40°C)

SMMS0420 Overview

Part: SMMS Series Type: Molding Power Inductor

Description: A series of shielded molding power inductors designed for high current applications, featuring low DCR, ultra-low buzz noise, and the ability to handle high transient current spikes without saturation, with an operating frequency up to 3 MHz.

Operating Conditions:

  • Operating temperature: -55°C to +125°C (Including self-temperature rise)
  • Test ambient temperature: 25°C

Absolute Maximum Ratings:

  • Max voltage: 30VDC
  • Max junction/storage temperature: +125°C

Key Specs:

  • Inductance (L0): 0.10 μH to 100.00 μH (at 100 KHz, 1.0V, 0A, ±20%)
  • Max D.C.R: 1.10 mΩ to 300.00 mΩ
  • Saturation Current (Isat): 2.00 A to 60.00 A (Lo drop approx. 30%)
  • Heat Rating Current (Irms): 1.60 A to 41.00 A (approx. △T of 40 °C)
  • Max operating frequency: 3 MHz

Features:

  • Low profile and low DCR
  • Shielded construction
  • Handles high transient current spikes without saturation
  • Ultra Low buzz noise, due to composite construction
  • 100% lead (Pb) free meet RoHS standard

Applications:

  • PDA/Notebook/Desktop, and server applications
  • Low profile, high current power supplies
  • Battery powered devices
  • DC/DC converters

Package:

  • SMMS0420 (4.60±0.30 x 4.2±0.20 x 2.0 Max mm)
  • SMMS0520 (5.50±0.40 x 5.20±0.20 x 2.0 Max mm)
  • SMMS0530 (5.5±0.40 x 5.20±0.20 x 3.0 Max mm)
  • SMMS0624 (7.10±0.30 x 6.60±0.20 x 2.40 Max mm)
  • SMMS0630 (7.10±0.30 x 6.60±0.20 x 3.0 Max mm)
  • SMMS0650 (7.10±0.30 x 6.60±0.20 x 5.0 Max mm)
  • SMMS1040 (11.5 Max x 10.0±0.30 x 4.0 Max mm)
  • SMMS1050 (11.5 Max x 10.0±0.30 x 5.0 Max mm)
  • SMMS1350 (13.80±0.50 x 12.6±0.20 x 5.0 Max mm)
  • SMMS1360 (13.80±0.50 x 12.6±0.20 x 6.0 Max mm)

SMMS0420 Features

  • Low profile and low DCR.
  • Shielded construction.
  • handles high transient current spikes without saturation
  • frequency up to 3MHz
  • Ultra Low buzz noise, due to composite construction
  • 100% lead (Pb) free meet RoHS standard

SMMS0420 Applications

  • PDA/Notebook/Desktop, and server applications.
  • low profile,high current power supplies.
  • Battery powered devices.
  • DC/DC converters.

Variants on the same datasheet

These parts have exact links to the same datasheet. They are candidates to compare, not verified drop-in replacements; check package, pinout and electrical limits.

Part NumberManufacturerPackage
SMMS0420-100MSumidaSMD,4.6x4.2mm
SMMS0420-1R0MSumidaSMMS0420
SMMS0420-1R2MSumida—
SMMS0420-1R5MSumidaSMMS0420
SMMS0420-2R2MSumida—
SMMS0420-3R3MSumida—
SMMS0420-4R7MSumidaSMMS0420
SMMS0420-6R8MSumida—
SMMS0420-R10MSumida—
SMMS0420-R22MSumida—
SMMS0420-R47MSumida—
SMMS0420-R56MSumidaSMMS0420
SMMS0420-R68MSumidaSMMS0420
SMMS0520Sumida5.5x5.2x2.0mm
SMMS0530SumidaSMMS0530
SMMS0624Sumida—
SMMS0630Sumida—
SMMS0650Sumida—
SMMS1040Sumida—
SMMS1050SumidaSMMS1050
SMMS1350Sumida—
SMMS1360Sumida13.8x12.6x6.0mm

Other Inductors

  • FXL0412-1R0 – Cjiang Technology, Wire Wound Molded SMD Power Inductors
  • FXL0412-1R5 – Cjiang Technology, Wire Wound Molded SMD Power Inductors
  • FXL0412-2R2 – Cjiang Technology, Wire Wound Molded SMD Power Inductors
  • FXL0412-3R3 – Cjiang Technology, Wire Wound Molded SMD Power Inductors
  • FXL0412-4R7 – Cjiang Technology, Wire Wound Molded SMD Power Inductors
  • FXL0412-R15 – Cjiang Technology, Wire Wound Molded SMD Power Inductors
  • FXL0412-R22 – Cjiang Technology, Wire Wound Molded SMD Power Inductors
  • FXL0412-R33 – Cjiang Technology, Wire Wound Molded SMD Power Inductors

All Inductors datasheetsAll Sumida datasheets (29)

Data on this page is extracted from publicly available manufacturer datasheets using automated tools including AI. It may contain errors or omissions. Always verify specifications against the official manufacturer datasheet before making design or purchasing decisions. See our Terms of Service. Rights holders can submit a takedown request.

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