MEAN WELL DCWN03E-05 3W 5V 0.3A On Board Type (Module Potted)

Part numberDCWN03E-05
Output voltage 5 V
Rated current 0.3 A
Rated power 3 W
$15.47Excluding tax and shipping
Ships in 3–5 business daysLead time is the time from order to dispatch, and does not include transit time.
Request bulk quote
SCWN03,DCWN03 model selection table DIP - 1.25" x 0.8" Footprint
  • Genuine product Sourced through our documented supply chain.
  • Worldwide shipping Export documentation handled for you.
  • Commercial invoice Available for every order.
  • Specification support Talk to someone who reads datasheets.

Key specifications

Complete technical specifications
Output
Output voltage 5 V
Rated current 0.3 A
Rated power 3 W
Typical efficiency 77 %
Mechanical
Cooling Free-air convection
Operating temperature -40 to 90 °C
Dimensions (L × W × H) 31.8 × 20.3 × 10.2 mm

Is this model right for you?

Within the SCWN03,DCWN03 series, the DCWN03E-05 lists a 4.5~9Vdc input range. DCWN03A-05 lists 9~18Vdc, DCWN03B-05 lists 18~36Vdc, and DCWN03C-05 lists 36~72Vdc. Select the model whose input range matches the available DC rail.

Product overview

The DCWN03E-05 is a DC/DC On Board Type (Module Potted) product in the SCWN03,DCWN03 series. It lists a 4.5~9Vdc input range and an operating temperature range of -40 to 90 °C. The case is non-conductive black plastic (UL 94V-0 rated), and cooling is by free-air convection. Dimensions are 31.8 × 20.3 × 10.2 mm with a net weight of 12.3 g.

Where this model fits

The DCWN03E-05 is used in Embedded & Board-level Design. Its 4.5~9Vdc input range, 31.8 × 20.3 × 10.2 mm dimensions, non-conductive black plastic (UL 94V-0 rated) case, and free-air convection cooling are the measurements relevant to board-level mounting.

Complete technical specifications

Rev. 2024-04-30
Output
Output voltage 5 V
Rated current 0.3 A
Rated power 3 W
Input
AC input range 4.5~9Vdc
DC input range 4.5–9 VDC
Typical efficiency 77 %
Protection
Overload Protected
Recovers automatically after fault condition is removed
Environmental
Operating temperature -40 to 90 °C
Storage temperature -40 to 105 °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 × 10.2 mm
Net weight 12.3 g
Cooling Free-air convection
Fan Not supported
Case material Non-Conductive black plastic (UL 94V-0 rated)
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 DCWN03E-05
Brand MEAN WELL
Category DC/DC On Board Type (Module Potted)
Series SCWN03,DCWN03

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:100M 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 DCWN03E-05
Minimum order quantity 1
Country of origin China
Typical packed weight 163 g
Unit weight 12.3 g

Downloads

SCWN03,DCWN03 model comparison

View all models
ModelOutput voltageRated currentRated powerPriceAvailability
DCWN03E-05 5 V0.3 A3 W$15.47
Ships in 3–5 business days
SCWN03C-033.3 V0.6 A1.98 W$8.18
Ships in 3–5 business days
SCWN03E-055 V0.6 A3 W$7.85
Ships in 3–5 business days
SCWN03A-033.3 V0.6 A1.98 W$8.65
Ships in 3–5 business days

DCWN03E-05 lists a 4.5~9Vdc input range; DCWN03A-05 lists 9~18Vdc.

DCWN03E-05 lists a 4.5~9Vdc input range; DCWN03B-05 lists 18~36Vdc.

DCWN03E-05 lists a 4.5~9Vdc input range; DCWN03C-05 lists 36~72Vdc.

Request a bulk quote

Tell us the quantity and target date and we will come back with pricing, lead time and stock position for this part number.

  1. 1 We confirm the part number and quantity against current stock.
  2. 2 You receive pricing, lead time and freight options by email.
  3. 3 Approve the quotation and we issue the invoice and shipping documents.

Request a quote for DCWN03E-05

Confirm quantity and destination and we will come back with pricing and lead time.

Quoting DCWN03E-05 View
Have a BOM? Reply to our confirmation email with the file attached.
We use your details only to answer this request.

Technical data source

Primary source
MEAN WELL
Datasheet revision
2024-04-30
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.