Cost-Effective AC/DC Converters

2–140W
Cost-effective AC/DC power supplies are the backbone of modern industrial automation, IoT deployments, and smart home ecosystems. To support energy-related product (ErP) regulations and the European Ecodesign Directive (Lot 6), these compact power supplies deliver high efficiency across wide load profiles alongside ultra-low standby power losses.

By leveraging advanced automated SMT manufacturing and large-scale production, RECOM provides pre-tested, highly reliable AC/DC modules at up to 50% lower costs than comparable discrete or modular designs—giving engineers a direct path to lower Bill of Materials (BoM) expenses without sacrificing build quality or safety compliance.

Main Features:

  • Universal Input Voltage: from 85VAC up to 528VAC input range for global grid compatibility across industrial and commercial installations.
  • High & Light-Load Efficiency: Optimized energy performance to meet strict ErP Ecodesign and Energy Star standby requirements.
  • Integrated Circuit Protection: Built-in short-circuit, overload, and overvoltage safeguards.
  • Ultra-Compact Footprint: Space-saving board-mount and chassis-mount designs for space-constrained layouts.
  • EMC Compliance: Integrated Class A or Class B EMC filters to streamline system-level certification.
  • International Safety Approvals: Certified to UL/IEC/EN 62368-1 (industrial), 60335-1 (household/building automation), and ES/IEC/EN 60601-1 (medical RACM series, 2MOPP) with CB reports.

Applications:

  • Industrial Automation & Controls: Reliable, budget-friendly auxiliary power for PLCs, sensors, and actuators.
  • Smart Home & Building Automation: Compact power supplies for smart thermostats, automated lighting, and security panels.
  • IoT & IIoT Devices: Energy-efficient power solutions for connected edge nodes, wireless monitors, and remote gateways.
  • Medical & Healthcare: Board-mount medical-grade units for bedside monitoring equipment and diagnostic tools.
  • Commercial Test & Measurement: Low-standby power solutions for enclosed meters and automated test systems.
  Series Power (W) Vin (V) Main Vout (V) Isolation (kV) Mounting Type
1 RECOM | RAC02E-K/277 Series | AC/DC, THT, 2W, Single Output
Focus
2 85 - 305 12, 15, 24, 3.3, 5 4 THT
2 RECOM | RAC03-K Series | AC/DC, 3W, Single Output
Focus
3 85 - 264, 85 - 265 12, 15, 18, 24, 3.3, 5 3, 4.2 THT, SMD
3 RECOM | RAC03E-K/277 Series | AC/DC, THT, 3W, Single Output
Focus
3 85 - 305 12, 15, 24, 3.3, 5 4 THT
4 RECOM | RAC04NE-K/277 Series | AC/DC, 4W, Single Output
Focus
4 85 - 305 12, 15, 24, 5, 9 4.2 THT, Wired
5 RECOM | RAC05-K/277 Series | AC/DC, THT, 5W, Single Output
Focus
5 85 - 305 12, 15, 24, 3.3, 5 4.2 THT
6 RECOM | RAC05-K/480 Series | AC/DC, THT, 5W, Single Output
Focus
5 85 - 528 12, 15, 5 5.4 THT
7 RECOM | RAC05E-KT Series | AC/DC, THT, 5W, Single Output
Focus
5 90 - 264 12, 15, 24, 4, 5 3 THT
8 RECOM | RAC10-K/277 Series | AC/DC, THT, 10W
Focus
10 85 - 305 12, 15, 18, 24, 3.3, 5, ± 12, ± 15 4 THT
9 RECOM | RAC10E-K/277 Series | AC/DC, THT, 10W, Single Output
Focus
10 85 - 305 12, 15, 24, 3.3, 5 4 THT
10 RECOM | RAC20E-K/277 Series | AC/DC, THT, 20W, Single Output
Focus
20 85 - 305 12, 24, 5 4.2 THT
11 RECOM | RAC20NE-K/277 Series | AC/DC, 20W
Focus
20 85 - 305, 90 - 460 12, 24, 36, ± 12 4.2 THT, Connector
12 RECOM | RAC25-K/480 Series | AC/DC, THT, 25W, Single Output
Focus
25 85 - 528 12, 15, 24, 5 3.6 THT
13 RECOM | RACM06E-K/277 Series | AC/DC, THT, 6W, Single Output
Focus
6 80 - 305 12, 15, 18, 24, 3.3, 5 4.2 THT
14 RECOM | RACM130E-K Series | AC/DC, Connector, 130W, Single Output
Focus
130 85 - 264 12, 15, 24, 36, 48 4 Connector
15 RECOM | RACM140E-K Series | AC/DC, Connector, Single Output
Focus
136.8, 140 80 - 264 12 to 18, 22 to 28, 30 to 36, 48 to 54 4.2 Connector
16 RECOM | RACM16E-K/277 Series | AC/DC, Single Output
Focus
12, 16 85 - 305 12, 15, 24, 3.3, 30, 5 4.2 THT, Wired
17 RECOM | RAC01-GA Series | AC/DC, THT, 1W, Single Output
1 85 - 264 12, 5 3 THT
18 RECOM | RAC01-GB Series | AC/DC, THT, 1W, Single Output
1 85 - 264 12, 24, 3.3, 5 3 THT
19 RECOM | RAC02-GA Series | AC/DC, THT, 2W, Single Output
2 85 - 264 12, 15, 24, 3.3, 5 3 THT
20 RECOM | RAC02-GB Series | AC/DC, THT, 2W, Single Output
2 85 - 264 12, 15, 24, 3.3, 5 3 THT
21 RECOM | RAC04-K/277 Series | AC/DC, THT, 4W, Single Output
4 80 - 305 12, 15, 24, 3.3, 5 4 THT
22 RECOM | RAC05-K Series | AC/DC, THT, 5W, Single Output
5 85 - 264 12, 15, 24, 3.3, 5 3 THT
23 RECOM | RAC05-K/277/W Series | AC/DC, Wired, 5W, Single Output
5 85 - 305 12, 15, 24, 3.3, 5 4.2 Wired
24 RECOM | RAC05E-K Series | AC/DC, THT, 5W, Single Output
5 90 - 264 12, 15, 24, 5 3 THT
25 RECOM | RAC15-K Series | AC/DC, THT, 15W, Single Output
15 85 - 264 12, 15, 24, 5 3 THT
26 RECOM | RAC3.5-K/277 Series | AC/DC, THT, 3.5W, Single Output
3.5 85 - 305 12, 15, 24, 3.3, 5 4.2 THT

Frequently Asked Questions

Cost-effective AC/DC power supplies drastically reduce design complexity, development expenses, and time-to-market compared to building discrete circuits. By delivering high efficiency, compact board-mount footprints, and built-in protection (overload, short-circuit, overvoltage), pre-designed modules provide a reliable, low-risk power solution for industrial, commercial, and embedded IoT systems.
Integrated AC/DC power modules eliminate the difficult circuit-level design challenges of mains voltage conversion—including complex safety clearances, high-voltage component selection, and thermal management. Because these modules are pre-certified for safety and come with built-in EMC filtering, engineers avoid costly compliance re-tests and speed up end-product certification.
Key criteria include required output power (1W to 130W), input voltage range (such as universal AC up to 528VAC), light-load efficiency (to meet ErP Lot 6 standby rules), operating temperature limits, and target safety approvals (such as IEC/EN 62368-1 for IT/industrial or IEC/EN 60601-1 for medical). Evaluating total cost of ownership—including saved development time—ensures you select the best balance of price and performance.

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