AC DC Converters

Image Part Number Description / PDF Quantity Rfq
RAC3.5-05SK/277

RAC3.5-05SK/277

RECOM Power

AC/DC CONVERTER 5V 3.5W

262

RAC05-12SB

RAC05-12SB

RECOM Power

AC/DC CONVERTER 12V 5W

48

RAC01-15SC

RAC01-15SC

RECOM Power

AC/DC CONVERTER 15V 1W

3

RAC05-12DC

RAC05-12DC

RECOM Power

AC/DC CONVERTER +/-12V 5W

103

RAC03-24SC

RAC03-24SC

RECOM Power

AC/DC CONVERTER 24V 3W

0

RAC06-12DC

RAC06-12DC

RECOM Power

AC/DC CONVERTER +/-12V 6W

5

RAC40-15SB

RAC40-15SB

RECOM Power

AC/DC CONVERTER 15V 40W

0

RAC10-12SK/277

RAC10-12SK/277

RECOM Power

AC/DC CONVERTER 12V 10W

0

RACM40-36SK-T

RACM40-36SK-T

RECOM Power

40W AC/DC-CONVERTER 'POWERLINE'

0

RAC02-12SGB

RAC02-12SGB

RECOM Power

AC/DC CONVERTER 12V 2W

64

RAC20-24SA

RAC20-24SA

RECOM Power

AC/DC CONVERTER 24V 20W

0

RAC10-12DC/277

RAC10-12DC/277

RECOM Power

AC/DC CONVERTER +/-12V 10W

0

RAC04-0512DC/277-E

RAC04-0512DC/277-E

RECOM Power

AC/DC CONVERTER 5V 12V 4W

0

RAC10-15DC/277

RAC10-15DC/277

RECOM Power

AC/DC CONVERTER +/-15V 10W

30

RAC15-05SK

RAC15-05SK

RECOM Power

AC/DC CONVERTER 5V 15W

420

RAC03-12SC

RAC03-12SC

RECOM Power

AC/DC CONVERTER 12V 3W

1428

RAC15-12DA

RAC15-12DA

RECOM Power

AC/DC CONVERTER +/-12V 15W

13

RAC20-12SA

RAC20-12SA

RECOM Power

AC/DC CONVERTER 12V 20W

0

RAC02-3.3SGA

RAC02-3.3SGA

RECOM Power

AC/DC CONVERTER 3.3V 2W

32

RAC20-15SN

RAC20-15SN

RECOM Power

AC/DC CONVERTER 15V 20W

582

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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