SMMS0420-R56M
Power InductorThe SMMS0420-R56M is a power inductor from Sumida. View the full SMMS0420-R56M datasheet below including key specifications.
SMMS0420-R56M shares its datasheet with SMMS0420-100M, whose page lists every part number it covers.
Official SMMS0420-R56M datasheet (PDF) — the source this page was extracted from.
SMMS0420-R56M Key Specifications
| Parameter | Value |
|---|---|
| Height (C) | 2.0 mm max |
| Inductance | 0.56 µH ±20% (100kHz, 1.0V, 0A) |
| Body Width (B) | 4.2±0.20 mm |
| Body Length (A) | 4.60±0.30 mm |
| DC Resistance (Max) | 16 mΩ |
| DC Resistance (Typ) | 14 mΩ |
| Switching Frequency | up to 3 MHz |
| Operating Temperature | -55°C to +125°C |
| Absolute Maximum Voltage | 30 VDC |
| Saturation Current (Isat, ~30% L Drop) | 9 A |
| Heat Rating Current (Irms, ΔT≈40°C) | 7 A |
SMMS0420-R56M 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-R56M 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-R56M 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 Number | Manufacturer | Package |
|---|---|---|
| SMMS0420 | Sumida | — |
| SMMS0420-100M | Sumida | SMD,4.6x4.2mm |
| SMMS0420-1R0M | Sumida | SMMS0420 |
| SMMS0420-1R2M | Sumida | — |
| SMMS0420-1R5M | Sumida | SMMS0420 |
| SMMS0420-2R2M | Sumida | — |
| SMMS0420-3R3M | Sumida | — |
| SMMS0420-4R7M | Sumida | SMMS0420 |
| SMMS0420-6R8M | Sumida | — |
| SMMS0420-R10M | Sumida | — |
| SMMS0420-R22M | Sumida | — |
| SMMS0420-R47M | Sumida | — |
| SMMS0420-R68M | Sumida | SMMS0420 |
| SMMS0520 | Sumida | 5.5x5.2x2.0mm |
| SMMS0530 | Sumida | SMMS0530 |
| SMMS0624 | Sumida | — |
| SMMS0630 | Sumida | — |
| SMMS0650 | Sumida | — |
| SMMS1040 | Sumida | — |
| SMMS1050 | Sumida | SMMS1050 |
| SMMS1350 | Sumida | — |
| SMMS1360 | Sumida | 13.8x12.6x6.0mm |
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
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