AC DC Converters

Image Part Number Description / PDF Quantity Rfq
IRM-30-5

IRM-30-5

MEAN WELL

AC/DC CONVERTER 5V 30W

43

MPM-45-5

MPM-45-5

MEAN WELL

O/P +5V/8A

34

IRM-30-24

IRM-30-24

MEAN WELL

AC/DC CONVERTER 24V 31W

16

IRM-20-5

IRM-20-5

MEAN WELL

AC/DC CONVERTER 5V 20W

317

PM-20-12

PM-20-12

MEAN WELL

AC/DC CONVERTER 12V 22W

0

NFM-05-3.3

NFM-05-3.3

MEAN WELL

AC/DC CONVERTER 3.3V 4W

417

MFM-20-12

MFM-20-12

MEAN WELL

AC/DC CONVERTER 12V 22W

366

IRM-05-12

IRM-05-12

MEAN WELL

AC/DC CONVERTER 12V 5W

0

IRM-20-15

IRM-20-15

MEAN WELL

AC/DC CONVERTER 15V 21W

0

MPM-90-48

MPM-90-48

MEAN WELL

O/P +48V/1.88A

0

MPM-30-24

MPM-30-24

MEAN WELL

AC/DC CONVERTER 24V 31W

143

PM-20-5

PM-20-5

MEAN WELL

AC/DC CONVERTER 5V 22W

0

IRM-10-12

IRM-10-12

MEAN WELL

AC/DC CONVERTER 12V 10W

1295

IRM-15-15

IRM-15-15

MEAN WELL

AC/DC CONVERTER 15V 15W

0

IRM-02-24S

IRM-02-24S

MEAN WELL

AC/DC CONVERTER 24V 2W

813

PM-05-12

PM-05-12

MEAN WELL

AC/DC CONVERTER 12V 5W

0

IRM-45-24

IRM-45-24

MEAN WELL

AC/DC CONVERTER 24V 46W

1197

IRM-02-12S

IRM-02-12S

MEAN WELL

AC/DC CONVERTER 12V 2W

0

PM-15-15

PM-15-15

MEAN WELL

AC/DC CONVERTER 15V 15W

0

MFM-10-15

MFM-10-15

MEAN WELL

AC/DC CONVERTER 15V 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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