AC DC Converters

Image Part Number Description / PDF Quantity Rfq
RAC20-24SB

RAC20-24SB

RECOM Power

AC/DC CONVERTER 24V 20W

156

RACM40-18SK-T

RACM40-18SK-T

RECOM Power

40W AC/DC-CONVERTER 'POWERLINE'

0

RAC04-12DC/277-E

RAC04-12DC/277-E

RECOM Power

AC/DC CONVERTER +/-12V 4W

92

RAC04-05SGB

RAC04-05SGB

RECOM Power

AC/DC CONVERTER 5V 4W

220

RAC04-05SK/277

RAC04-05SK/277

RECOM Power

AC/DC CONVERTER 5V 4W

267

RAC04-15SA

RAC04-15SA

RECOM Power

AC/DC CONVERTER 15V 4W

20

RAC02-24SE/277

RAC02-24SE/277

RECOM Power

AC/DC CONVERTER 24V 2W

214

RACM60-12SK/OF/PCB-T

RACM60-12SK/OF/PCB-T

RECOM Power

60W AC/DC-CONVERTER 12V 'POWERLI

1

RAC02-12SGA

RAC02-12SGA

RECOM Power

AC/DC CONVERTER 12V 2W

38

RAC03E-12SK/277

RAC03E-12SK/277

RECOM Power

3W AC/DC-CONVERTER 'POWERLINE' 1

103

RAC10-15SK/277

RAC10-15SK/277

RECOM Power

AC/DC CONVERTER 15V 10W

805

RAC05-12SK

RAC05-12SK

RECOM Power

AC/DC CONVERTER 12V 5W

3312

RAC10-12DK/277

RAC10-12DK/277

RECOM Power

AC/DC CONVERTER +/-12V 10W

278

RAC04-3.3SC/277

RAC04-3.3SC/277

RECOM Power

AC/DC CONVERTER 3.3V 4W

1

RAC30-24SA

RAC30-24SA

RECOM Power

AC/DC CONVERTER 24V 30W

7

RAC04-24SGB

RAC04-24SGB

RECOM Power

AC/DC CONVERTER 24V 4W

188

RAC05-24SC

RAC05-24SC

RECOM Power

AC/DC CONVERTER 24V 5W

144

RAC05-12SK/480

RAC05-12SK/480

RECOM Power

AC/DC CONVERTER 12V 5W

730

RAC05-3.3SK

RAC05-3.3SK

RECOM Power

AC/DC CONVERTER 3.3V 5W

0

RAC3.5-24SK/277

RAC3.5-24SK/277

RECOM Power

AC/DC CONVERTER 24V 3.5W

183

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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