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MEAN WELL DCW03B05 Dual Output DC-DC Converter

The MEAN WELL DCW03 series is a compact and reliable 3W regulated dual output DC-DC converter designed for a wide range of industrial applications. It boasts a wide input voltage range, high isolation voltage, and comprehensive protection features including short circuit and overload protection. The converter's efficiency and compact size make it ideal for space-constrained environments. Approvals include FCC and CE, ensuring compliance with industry standards. It's a cost-effective and high-reliability solution for powering sensitive electronic devices.

Authorized Distributors
Part No:DCW03B-05
Stock:0
Inv Date:06-17-2026
Price: N/A
Buy/RFQ:
Part No:DCW03B-05
Stock:338
Inv Date:06-16-2026
Price: Unit price: $14.77
Buy/RFQ:
Part No:DCW03B-05
Stock:338
Inv Date:06-16-2026
Price: Unit price: $14.77
Buy/RFQ:

MEAN WELL DCW03B05 Dual Output DC-DC Converter Specifications:

  • DC Voltage: ±5V
  • Current Range: 30 ~ 300mA
  • Rated Power: 3W
  • Output: ±12V, ±15V
  • Switching Frequency: 50KHz min.
  • Voltage Range: A: 9 ~ 18VDC, B: 18 ~ 36VDC, C: 36 ~ 72VDC
  • Efficiency (Typ.): 75%, 80%, 80%
  • DC Current: A: 338mA, B: 167mA, C: 83mA
  • Input: A: 18mA, B: 10mA, C: 5mA
  • Environment: -40 ~ +71 ℃
  • Humidity: 20% ~ 90% RH non-condensing
  • Storage Temp, Humidity: -40 ~ +105 ℃, 10 ~ 95% RH
  • Temp Coefficient: ±0.03% / (0 ~ 50 ℃)
  • Vibration: 10 ~ 500Hz, 2G 10min./1 cycle
  • MTBF: 900khrs min. (MIL-HDBK-217F @ 25 ℃)
  • Dimension: 31.8*20.3*12.2mm or 1.25"*0.80"*0.48" inch (L*W*H)
  • Weight: 15g
  • Overload: 160 ~ 250% rated output power
  • Filter: Pi network
  • Short Circuit: All output equipped with short circuit protection
  • Protection: Fuse recommended
  • Ripple & Noise (max.): 50mVp-p
  • Line Regulation: ±0.5%
  • Load Regulation: ±0.5%
  • Voltage Accuracy: ±2.0%
  • Withstand Voltage: I/P-O/P:1KVDC
  • Isolation Resistance: I/P-O/P: 100M Ohms / 500VDC / 25 ℃ / 70% RH
  • Isolation Capacitance: 80pF max.
  • Emc Emission: Compliance to EN55032 Class B, FCC part 15 Class B, EAC TP TC 020
  • Emc Immunity: Compliance to EN61000-4-2,3,4,5,6,8, light industry level, EAC TP TC 020
  • Safety Standards: EAC TP TC 004 approved

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Frequently Asked Questions

Where can I buy MEAN WELL DCW03B05?

You can click on the BUY or RFQ button to purchase DCW03B05 from an authorized MEAN WELL distributor.

How do I troubleshoot issues or seek technical support for part DCW03B05?

You can download the DCW03B05 datasheet or visit the MEAN WELL website for support.

Who is the manufacturer of DCW03B05?

MEAN WELL

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