MEAN WELL SCW20W8-05 20W 5V 4A On Board Type (Module Potted)

Part numberSCW20W8-05
Output voltage 5 V
Rated current 4 A
Rated power 20 W
$36.32Excluding tax and shipping
Ships in 3–5 business daysLead time is the time from order to dispatch, and does not include transit time.
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SCW20W8,DCW20W8 model selection table DIP - 1.25" x 0.8" Footprint
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Key specifications

Complete technical specifications
Output
Output voltage 5 V
Rated current 4 A
Rated power 20 W
Typical efficiency 85 %
Mechanical
Cooling Free-air convection
Operating temperature -40 to 95 °C
Dimensions (L × W × H) 31.8 × 20.3 × 12.2 mm

Is this model right for you?

Within the SCW20W8,DCW20W8 series, the SCW20W8-05 lists 5 V, 4 A, 20 W, 85%. By comparison DCW20W8-12 lists 12 V, 0.833 A, 19.992 W, 87%; DCW20W8-15 lists 15 V, 0.666 A, 19.98 W, 87%; SCW20W8-12 lists 12 V, 1.666 A, 19.992 W, 86%; SCW20W8-24 lists 24 V, 0.833 A, 19.992 W, 88%. Select the model whose output voltage, output current, and rated power match the installation.

Product overview

The SCW20W8-05 is a DC/DC On Board Type (Module Potted) product in the DIP - 1.25" x 0.8" Footprint family. It provides a 5 V output at 4 A. It accepts a 9~75Vdc input voltage range and uses free-air convection cooling. The five-side metal shielded case measures 31.8 × 20.3 × 12.2 mm and weighs 20 g.

Where this model fits

The SCW20W8-05 is used in Embedded & Board-level Design. Its five-side metal shielded case and free-air convection cooling suit board-mounted placement, while the 31.8 × 20.3 × 12.2 mm footprint and 20 g weight describe the space and mass it occupies on a host board.

Complete technical specifications

Rev. 2025-08-21
Output
Output voltage 5 V
Rated current 4 A
Rated power 20 W
Input
AC input range 9~75Vdc
DC input range 9–75 VDC
Typical efficiency 85 %
Protection
Short circuit Protected
Overload Protected
Over voltage Protected
Continuous, automatic recovery
Environmental
Operating temperature -40 to 95 °C
Storage temperature -40 to 125 °C
Vibration 10 ~ 500Hz, 2G 10min./1cycle, period for 60min. each along X, Y, Z axes
Mechanical
Dimensions (L × W × H) 31.8 × 20.3 × 12.2 mm
Net weight 20.0 g
Cooling Free-air convection
Fan Not supported
Case material Five-side Metal shielded case
Safety & compliance
Safety standards EAC TP TC 020/2011 approved

These approvals are recorded for the series as a whole. Where a line names particular models or ratings, it applies only to those — read it against this part number, and ask us for the certificate if your approval process needs it.

Identification
Part number SCW20W8-05
Brand MEAN WELL
Category DC/DC On Board Type (Module Potted)
Series SCW20W8,DCW20W8

Approvals and compliance

From the manufacturer's datasheet for this series

Eurasian Economic Union

  • EAC

    Conformity with the Eurasian Economic Union technical regulations, covering Russia, Belarus, Kazakhstan, Armenia and Kyrgyzstan. TP TC 004 is the low-voltage regulation and TP TC 020 the electromagnetic-compatibility one, so which number appears tells you what was assessed.

Isolation and electromagnetic compatibility
Withstand voltage I/P-O/P:3KVdc
Isolation resistance I/P-O/P:1000M Ohms / 500Vdc / 25℃/ 70% RH
EMC emission Parameter Standard Test Level / Note
Read the datasheet's exact wording

EAC TP TC 020/2011 approved

Reproduced unedited from the manufacturer's datasheet. Where an approval covers only some models, the wording says so. Ask us for the certificate itself if your approval process needs it.

Certificates

Certificate copy supplied with this model.

  • CE · R50453592

    100%
    CE certificate R50453592

    CE · Certificate number R50453592

Ordering & shipping information

Order and delivery terms
Part number SCW20W8-05
Minimum order quantity 1
Country of origin China
Typical packed weight 172 g
Unit weight 20 g

Downloads

SCW20W8,DCW20W8 model comparison

View all models
ModelOutput voltageRated currentRated powerPriceAvailability
SCW20W8-1212 V1.666 A19.992 W$36.32
Ships in 3–5 business days
SCW20W8-05 5 V4 A20 W$36.32
Ships in 3–5 business days
SCW20W8-1515 V1.333 A19.995 W$36.32
Ships in 3–5 business days
DCW20W8-1515 V0.666 A19.98 W$36.32
Ships in 3–5 business days

SCW20W8-05: 5 V output; the rest of the series runs 3.3 V to 24 V.

SCW20W8-05: 4 A output current; the rest of the series runs 0.666 A to 1.67 A.

SCW20W8-05: 20 W rated power; SCW20W8-03: 13.2 W.

SCW20W8-05: 85% typical efficiency; the rest of the series runs 86% to 88%.

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Technical data source

Primary source
MEAN WELL
Datasheet revision
2025-08-21
Last verified

How we source and verify product data

Specifications are transcribed from the manufacturer datasheet and are subject to change without notice. The current manufacturer datasheet governs in case of any discrepancy.