AC DC Converters

Image Part Number Description / PDF Quantity Rfq
RAC03-05SK

RAC03-05SK

RECOM Power

AC/DC CONVERTER 5V 3W

740

RAC03E-15SK/277

RAC03E-15SK/277

RECOM Power

3W AC/DC-CONVERTER 'POWERLINE' 1

58

RACM40-24SK-T

RACM40-24SK-T

RECOM Power

40W AC/DC-CONVERTER 'POWERLINE'

41

RACM18-24SER

RACM18-24SER

RECOM Power

AC/DC CONVERTER 24V 18W

0

RAC03-3.3SGA

RAC03-3.3SGA

RECOM Power

AC/DC CONVERTER 3.3V 3W

513

RAC03E-24SK/277

RAC03E-24SK/277

RECOM Power

3W AC/DC-CONVERTER 'POWERLINE' 1

47

RAC15-12SK

RAC15-12SK

RECOM Power

AC/DC CONVERTER 12V 15W

287

RAC04-0512DC/277

RAC04-0512DC/277

RECOM Power

AC/DC CONVERTER 5V 12V 4W

63

RAC03-15SC

RAC03-15SC

RECOM Power

AC/DC CONVERTER 15V 3W

0

RAC40-15DB

RAC40-15DB

RECOM Power

AC/DC CONVERTER +/-15V 40W

0

RAC02E-15SK/277

RAC02E-15SK/277

RECOM Power

2W AC/DC-CONVERTER 'POWERLINE' 1

55

RAC03E-3.3SK/277

RAC03E-3.3SK/277

RECOM Power

3W AC/DC-CONVERTER 'POWERLINE' 1

58

RAC03-3.3SGB

RAC03-3.3SGB

RECOM Power

AC/DC CONVERTER 3.3V 3W

0

RAC01-3.3SC

RAC01-3.3SC

RECOM Power

AC/DC CONVERTER 3.3V 1W

425

RAC01-24SGB

RAC01-24SGB

RECOM Power

AC/DC CONVERTER 24V 1W

35

RAC03-12SGB

RAC03-12SGB

RECOM Power

AC/DC CONVERTER 12V 3W

1403

RAC05-24SB

RAC05-24SB

RECOM Power

AC/DC CONVERTER 24V 5W

0

RAC06-05SC

RAC06-05SC

RECOM Power

AC/DC CONVERTER 5V 6W

0

RAC04-24SA

RAC04-24SA

RECOM Power

AC/DC CONVERTER 24V 4W

728

RAC20-12SB

RAC20-12SB

RECOM Power

AC/DC CONVERTER 12V 20W

209

AC DC Converters

1. Overview

Board mount AC DC converters are electronic devices that convert alternating current (AC) from mains power to direct current (DC) at required voltage levels. These components are critical in modern electronics, enabling power supply to printed circuit boards (PCBs) across diverse applications. They ensure safe voltage transformation, electrical isolation, and stable power delivery in compact form factors.

2. Main Types & Functionality

TypeFunctional CharacteristicsApplication Examples
Isolated AC-DC ConvertersProvide galvanic isolation between input and output circuitsMedical equipment, industrial controllers
Non-Isolated AC-DC ConvertersDirect connection between input and output with shared groundConsumer electronics, LED lighting
Modular AC-DC ConvertersStandardized footprints with integrated EMI filteringTelecom infrastructure, test equipment

3. Structure & Components

Typical construction includes: - Die-cast aluminum housing with heat dissipation fins - PCB assembly with bridge rectifier, PFC circuitry, and switching MOSFETs - Transformer for voltage conversion and isolation - Output capacitors and voltage regulation ICs - Safety-certified insulation barriers between primary/secondary sides

4. Key Technical Parameters

ParameterDescription & Importance
Input Voltage Range90-264VAC (global compatibility)
Output Power3-500W (determines load capacity)
Efficiency85-94% (impacts thermal management)
Isolation Voltage1500-3000VAC (safety compliance)
Operating Temperature-40 C to +85 C (environmental reliability)

5. Application Fields

Key industries include: - Industrial automation (PLC systems, motor drives) - Medical devices (patient monitors, diagnostic equipment) - IT infrastructure (servers, data storage) - Smart home systems (HVAC controllers, security devices) - Renewable energy systems (solar inverters, battery storage)

6. Leading Manufacturers

ManufacturerRepresentative Product
TDK-LambdaDRB-25-24 (25W medical-grade converter)
Mean WellIRM-10-05 (10W industrial power supply)
CUI IncPBO-10-12 (10W open-frame converter)
RECOM PowerRAC05-05SK/277 (5W industrial converter)

7. Selection Guidelines

Key considerations: - Match input/output requirements with system specifications - Verify safety certifications (UL, CE, IEC60601) - Evaluate thermal management needs - Consider PCB layout constraints - Balance cost vs reliability requirements

8. Industry Trends

Emerging developments: - Increased efficiency targets (>94%) through GaN/SiC technology - Miniaturization with planar magnetics integration - Smart converters with digital monitoring interfaces - Enhanced EMC performance for IoT applications - Energy harvesting compatibility in low-power designs

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