AC DC Converters

Image Part Number Description / PDF Quantity Rfq
RAC04-3.3SA/277

RAC04-3.3SA/277

RECOM Power

AC/DC CONVERTER 3.3V 4W

0

RAC15-09DB

RAC15-09DB

RECOM Power

AC/DC CONVERTER +/-9V 15W

0

RAC05-15SB-E

RAC05-15SB-E

RECOM Power

AC/DC CONVERTER 15V 5W

0

RAC30-0512DA

RAC30-0512DA

RECOM Power

AC/DC CONVERTER 5V 12V 30W

0

RAC04-24SA/277

RAC04-24SA/277

RECOM Power

AC/DC CONVERTER 24V 4W

0

RAC03-3.3SA

RAC03-3.3SA

RECOM Power

AC/DC CONVERTER 3.3V 3W

0

RAC10-3.3SB-E

RAC10-3.3SB-E

RECOM Power

AC/DC CONVERTER 3.3V 10W

0

RAC10-12SA-E

RAC10-12SA-E

RECOM Power

AC/DC CONVERTER 12V 10W

0

RAC10-05DA-E

RAC10-05DA-E

RECOM Power

AC/DC CONVERTER +/-5V 10W

0

RAC20-09DA

RAC20-09DA

RECOM Power

AC/DC CONVERTER +/-9V 20W

0

RAC40-0515TA-E

RAC40-0515TA-E

RECOM Power

AC/DC CONVERTER 5V +/-15V 40W

0

RAC15-0515TB

RAC15-0515TB

RECOM Power

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

0

RAC15-09SB

RAC15-09SB

RECOM Power

AC/DC CONVERTER 9V 15W

0

RAC10-12SB-E

RAC10-12SB-E

RECOM Power

AC/DC CONVERTER 12V 10W

0

RAC15-15DB-E

RAC15-15DB-E

RECOM Power

AC/DC CONVERTER +/-15V 15W

0

RAC40-05SA-E

RAC40-05SA-E

RECOM Power

AC/DC CONVERTER 5V 40W

0

RAC15-15SA-E

RAC15-15SA-E

RECOM Power

AC/DC CONVERTER 15V 15W

0

RAC15-05SA-E

RAC15-05SA-E

RECOM Power

AC/DC CONVERTER 5V 15W

0

RAC10-12DA

RAC10-12DA

RECOM Power

AC/DC CONVERTER +/-12V 10W

0

RAC10-3.3SA

RAC10-3.3SA

RECOM Power

AC/DC CONVERTER 3.3V 10W

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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