AC DC Converters

Image Part Number Description / PDF Quantity Rfq
RAC05-3.3SK/277

RAC05-3.3SK/277

RECOM Power

AC/DC CONVERTER 3.3V 5W

79

RAC20-15SB

RAC20-15SB

RECOM Power

AC/DC CONVERTER 15V 20W

8

RAC02-05SC

RAC02-05SC

RECOM Power

AC/DC CONVERTER 5V 2W

946

RAC03-3.3SE/277

RAC03-3.3SE/277

RECOM Power

AC/DC CONVERTER 3.3V 3W

5

RAC20-15DK

RAC20-15DK

RECOM Power

AC/DC CONVERTER +/-15V 20W

80

RAC02-3.3SE/277

RAC02-3.3SE/277

RECOM Power

AC/DC CONVERTER 3.3V 2W

190

RAC03-18SK

RAC03-18SK

RECOM Power

AC/DC CONVERTER 18V 3.1W

95

RAC04-05DC/277-E

RAC04-05DC/277-E

RECOM Power

AC/DC CONVERTER +/-5V 4W

32

RAC03-05SGA

RAC03-05SGA

RECOM Power

AC/DC CONVERTER 5V 3W

67

RAC04-3.3SC/277-E

RAC04-3.3SC/277-E

RECOM Power

AC/DC CONVERTER 3.3V 4W

72

RAC04-24SC/277

RAC04-24SC/277

RECOM Power

AC/DC CONVERTER 24V 4W

404

RAC20-48SK

RAC20-48SK

RECOM Power

AC/DC CONVERTER 48V 20W

29

RAC10-24SB

RAC10-24SB

RECOM Power

AC/DC CONVERTER 24V 10W

138

RAC02E-12SK/277

RAC02E-12SK/277

RECOM Power

2W AC/DC-CONVERTER 'POWERLINE' 1

93

RAC10-15SC/277

RAC10-15SC/277

RECOM Power

AC/DC CONVERTER 15V 10W

718

RAC10-3.3SK/277

RAC10-3.3SK/277

RECOM Power

AC/DC CONVERTER 3.3V 8W

815

RAC04-12SGB

RAC04-12SGB

RECOM Power

AC/DC CONVERTER 12V 4W

1379

RAC02E-05SK/277

RAC02E-05SK/277

RECOM Power

2W AC/DC-CONVERTER 'POWERLINE' 1

141

RAC15-15DA

RAC15-15DA

RECOM Power

AC/DC CONVERTER +/-15V 15W

7

RAC20-24SK

RAC20-24SK

RECOM Power

AC/DC CONVERTER 24V 20W

0

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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