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Mean Well DCWN03A-05 DC-DC Converter - 3W 9~18V DC in 5V out 300mA

SKU:
DCWN03A-05

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Description

The DCWN03A is a 3W Mean Well. power converter. and an input range of 4.5~9Vdc.

Key Features

  • Input voltage range: 4.5~9Vdc
  • 3KVDC reinforced I/O isolation
  • Protections: Short circuit / Overload / Under voltage
  • Safety approvals: EAC TP TC 004
  • 3 years warranty

Specifications

  • Brand
    Mean Well
  • Series
    DCWN Series
  • Power Rating
    3 Watt
  • Output Voltage
    5 Volt
  • Rated Current
    0.3 Ampere
  • Input Voltage
    9V~18V
  • Standards Met
    CE,EAC
  • Operation Mode
    Constant Voltage
  • Operating Temperature
    -40°C~90°C
  • Warranty
    3 Year
  • Length
    3.18 cm
  • Width
    2.03 cm
  • Height
    1.02 cm
  • Weight
    0.01 kg

File Downloads

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Payment & Security

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Frequently Asked Questions

What is the DCWN03A-05 typically used for?

The Mean Well DCWN03A-05 is typically used for isolated low-power DC-DC conversion where a 9-18V DC input needs to be converted to a regulated 5V output. With 3W rated power and 0.3A output current, it is suited to compact embedded, control, and auxiliary power applications.

Is the DCWN03A-05 a good fit when the source DC input is 9-18V and the load needs 5V?

Yes. The DCWN03A-05 is specifically built for 9-18V DC input and 5V output service, so it is a fit when your system uses that input range and needs a regulated 5V rail within the unit's 3W and 0.3A rating.

Can the DCWN03A-05 be used in compact isolated power designs?

Yes. The published features include a DIP24 package, 3KVDC I/O isolation, and no minimum load requirement, which makes the DCWN03A-05 suitable for compact isolated auxiliary power designs.

Is the DCWN03A-05 suitable for harsh temperature environments?

It is rated for a working temperature range of -40°C to +90°C, which is broader than many basic low-power converters. It should still be used in a protected electronic environment rather than exposed outdoor conditions.

How does the DCWN03A-05 compare with other DCWN03 input-range variants?

The DCWN03A-05 provides 3W at 5V from a 9-18V input range. Other DCWN03 variants keep the same 3W class but change the input window, such as B versions at 18-36V, C versions at 36-72V, and E versions at 4.5-9V. The main choice is the source voltage available in your system.

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Mean Well DCWN03A-05 DC-DC Converter - 3W 9~18V DC in 5V out 300mA
Mean Well

Mean Well DCWN03A-05 DC-DC Converter - 3W 9~18V DC in 5V out 300mA

The DCWN03A is a 3W Mean Well. power converter. and an input range of 4.5~9Vdc.

Key Features

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