AC DC Converters

Image Part Number Description / PDF Quantity Rfq
RAC04-0512DC/230

RAC04-0512DC/230

RECOM Power

AC/DC CONVERTER 5V 12V 4W

20

RAC20-15SK

RAC20-15SK

RECOM Power

AC/DC CONVERTER 15V 20W

0

RAC04-12SA/277

RAC04-12SA/277

RECOM Power

AC/DC CONVERTER 12V 4W

0

RAC02-24SGA

RAC02-24SGA

RECOM Power

AC/DC CONVERTER 24V 2W

49

RAC05-15SK/277

RAC05-15SK/277

RECOM Power

AC/DC CONVERTER 15V 5W

44

RAC04-12SC/230

RAC04-12SC/230

RECOM Power

AC/DC CONVERTER 12V 4W

2757

RAC03-12SE/277

RAC03-12SE/277

RECOM Power

AC/DC CONVERTER 12V 3W

20

RAC04-12SC/277-E

RAC04-12SC/277-E

RECOM Power

AC/DC CONVERTER 12V 4W

53

RAC02-3.3SC

RAC02-3.3SC

RECOM Power

AC/DC CONVERTER 3.3V 2W

83

RAC04-15SC/277-E

RAC04-15SC/277-E

RECOM Power

AC/DC CONVERTER 15V 4W

27

RAC20-12DK/277

RAC20-12DK/277

RECOM Power

20W AC/DC-CONVERTER 'POWERLINE'

59

RACM18-12SER

RACM18-12SER

RECOM Power

AC/DC CONVERTER 12V 18W

0

RAC01-12SGA

RAC01-12SGA

RECOM Power

AC/DC CONVERTER 12V 1W

372

RAC03-15SK

RAC03-15SK

RECOM Power

AC/DC CONVERTER 15V 3W

97

RAC30-05SA

RAC30-05SA

RECOM Power

AC/DC CONVERTER 5V 30W

3

RAC20-24SN

RAC20-24SN

RECOM Power

AC/DC CONVERTER 24V 20W

125

RAC02-15SGB

RAC02-15SGB

RECOM Power

AC/DC CONVERTER 15V 2W

58

RAC03-12SGA

RAC03-12SGA

RECOM Power

AC/DC CONVERTER 12V 3W

37

RAC04-12SK/277

RAC04-12SK/277

RECOM Power

AC/DC CONVERTER 12V 4W

388

RAC15-0515TA

RAC15-0515TA

RECOM Power

AC/DC CONVERTER 5V +/-15V 15W

5

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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