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DCWN03A-05 MEAN WELL Power Supply | HTD Electronics
Manufacturer MEAN WELL

DCWN03A-05

Availability: Out of stock
3 W5 V0.3 A9V–18V in

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DCWN03A-05
Quantity Prices (USD)
Quantity
Unit Price (USD)
1+
$8.82 USD
10+
$8.38 USD
20+
$8.20 USD
50+
$8.03 USD
100+
$7.85 USD
200+
$7.67 USD
All prices are displayed in USD. *Import tariff is included in the listed price. You pay exactly what you see—no surprise fees at checkout. Discounts are applied automatically based on the total quantity added to your cart.
Quick Specs
Input Voltage
9V~18V
Output Voltage
5V
Rated Current
0.3A
Power Rating
3W
Waterproof
Non-waterproof
Dimensions & Weight
1.25 x 0.79 x 0.40 in0.02 lbs

Datasheet (PDF)

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Features

DIP24 package with industry-standard pinout
2:1 wide input range
Operating temperature range -40~+90°C 
No minimum load required
Comply to BS EN/EN55032 radiated Class A without additional components
High efficiency up to 87%
Protections: Short circuit(Continuous)/Overload/Input under voltage
3KVDC I/O isolation
3 years warranty

General Specification 

Voltage set point accuracy ±1.5% (max.)
Line regulation ±0.5% (max.)
Load regulation Single output models:±0.5%, Dual output models:±1%
Overload protection 120%~250%, auto-recovery
Efficiency 87% (typical)
Short circuit protection Continuous, auto-recovery
I/O isolation voltage I/P-O/P:3KVDC
I/O isolation resistance I/P-O/P:100M Ohms / 500VDC / 25℃/ 70% RH
Isolation capacitance 250pF (max.)
Working temperature -40~+90°C
Storage temperature -40°C to +105°C
EMC Compliance to EN55032 class A, EN61000-4-2,3,4,5,6,8
Temp. Coefficient 0.03% / ℃ (0 ~ 85℃)
Dimension (LxWxH) (mm) 31.8*20.3*10.2mm (1.25*0.8*0.4 inch)
Case material Non-conductive black plastic(UL 94V-0 rated)

Similar Models

Same product family and output voltage, with the closest available power ratings.

Environmental Documents
📄 E6) COC-REACH (2026/01/28) 📄 E9) CMRT (2025/04/25) 📄 E14) COC-ROHS 2 (2015/863/EU) (2024/10/04) 📄 REACH Certificate (PDF) (2020/12/03) 📄 ROHS Certificate (PDF) (2020/05/29) 📄 E12) COC-ROHS 2 (2011/65/EU) (2016/10/01)
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