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MEAN WELL SCWN03A03 3W DC-DC Regulated Converter

The MEAN WELL SCWN03 & DCWN03 series are 3W isolated and regulated module type DC-DC converters designed for a wide range of applications. Featuring an international standard pin configuration, high efficiency (up to 87%), a wide working temperature range (-40~+90℃), and 3KVDC I/P-O/P isolation voltage, these converters offer reliable power conversion. They include protections such as short circuit, overload, and input under voltage, making them suitable for industrial control, telecommunications, and distributed power architectures. Models offer various input voltage options (4.5~9V, 9~18V, 18~36V, and 36~72V) and output voltages (3.3V, 5V, 12V, 15V) to meet diverse system requirements.

Authorized Distributors
Source:DigiKey
Part No:SCWN03A-03
Stock:8
Inv Date:06-16-2026
Price: Unit price: $7.25
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Part No:SCWN03A-03
Stock:3
Inv Date:06-17-2026
Price: Unit price: $8.29
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Part No:SCWN03A-03
Stock:0
Inv Date:06-16-2026
Price: Unit price: $13.57
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Part No:SCWN03A-03
Stock:1
Inv Date:06-16-2026
Price: Unit price: $8.6729
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Part No:SCWN03A-03
Stock:1
Inv Date:06-16-2026
Price: Unit price: $8.6729
Buy/RFQ:
Part No:SCWN03A-03
Stock:0
Inv Date:06-16-2026
Price: Unit price: $8.75
Buy/RFQ:
Part No:SCWN03A-03
Stock:1
Inv Date:06-17-2026
Price: N/A
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MEAN WELL SCWN03A03 3W DC-DC Regulated Converter Specifications:

  • rated_wattage: 3W
  • input_voltage_range: 4.5~9Vdc, 9~18Vdc, 18~36Vdc, 36~72Vdc
  • input_current_no_load: 5mA
  • input_current_full_load: 212mA
  • output_voltage: 3.3V
  • output_current: 600mA
  • output_capacitor_load_max: 2200μF
  • efficiency_typical: 78%
  • operating_temperature_range: -40 ~ +90℃
  • isolation_voltage: 3KVDC
  • short_circuit_protection: Continuous, automatic recovery
  • overload_protection: 120 ~ 250% rated output power
  • under_voltage_lockout: 4.2Vdc (5Vin), 8Vdc (12Vin), 16Vdc (24Vin), 31Vdc (48Vin)
  • cooling: Free-air convection
  • case_material: Non-Conductive black plastic (UL 94V-0 rated)

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Frequently Asked Questions

Where can I buy MEAN WELL SCWN03A03?

You can click on the BUY or RFQ button to purchase SCWN03A03 from an authorized MEAN WELL distributor.

How do I troubleshoot issues or seek technical support for part SCWN03A03?

You can download the SCWN03A03 datasheet or visit the MEAN WELL website for support.

Who is the manufacturer of SCWN03A03?

MEAN WELL

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