AC DC Converters

Image Part Number Description / PDF Quantity Rfq
RAC03-3.8SC

RAC03-3.8SC

RECOM Power

AC/DC CONVERTER 3.8V 3W

10

RAC02-24SGB

RAC02-24SGB

RECOM Power

AC/DC CONVERTER 24V 2W

40

RAC20-12SN

RAC20-12SN

RECOM Power

AC/DC CONVERTER 12V 20W

1080

RAC04-05SC/230

RAC04-05SC/230

RECOM Power

AC/DC CONVERTER 5V 4W

1130

RAC04-05SC/277

RAC04-05SC/277

RECOM Power

AC/DC CONVERTER 5V 4W

924

RAC10-05DC/277

RAC10-05DC/277

RECOM Power

AC/DC CONVERTER +/-5V 10W

10

RAC01-05SGB

RAC01-05SGB

RECOM Power

AC/DC CONVERTER 5V 1W

568

RAC03-24SGB

RAC03-24SGB

RECOM Power

AC/DC CONVERTER 24V 3W

136

RAC10-05SK/277

RAC10-05SK/277

RECOM Power

AC/DC CONVERTER 5V 10W

5913

RAC20-05SA

RAC20-05SA

RECOM Power

AC/DC CONVERTER 5V 20W

0

RAC02E-24SK/277

RAC02E-24SK/277

RECOM Power

2W AC/DC-CONVERTER 'POWERLINE' 1

50

RAC06-09SC

RAC06-09SC

RECOM Power

AC/DC CONVERTER 9V 6W

14

RAC04-24SGA

RAC04-24SGA

RECOM Power

AC/DC CONVERTER 24V 4W

44

RAC06-05DC

RAC06-05DC

RECOM Power

AC/DC CONVERTER +/-5V 6W

0

RAC04-12SGA

RAC04-12SGA

RECOM Power

AC/DC CONVERTER 12V 4W

1283

RAC20-05SN

RAC20-05SN

RECOM Power

AC/DC CONVERTER 5V 20W

386

RAC04-09SGB

RAC04-09SGB

RECOM Power

AC/DC CONVERTER 9V 4W

0

RAC01-12SGB

RAC01-12SGB

RECOM Power

AC/DC CONVERTER 12V 1W

242

RAC05-12SA

RAC05-12SA

RECOM Power

AC/DC CONVERTER 12V 5W

0

RACM40-15SK-T

RACM40-15SK-T

RECOM Power

40W AC/DC-CONVERTER 'POWERLINE'

12

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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