AC DC Converters

Image Part Number Description / PDF Quantity Rfq
TUNS300F48

TUNS300F48

Cosel

AC/DC CONVERTER 48V 300W

31

TUHS3F15

TUHS3F15

Cosel

AC/DC CONVERTER 15V 3W

13

VAF1012

VAF1012

Cosel

AC/DC CONVERTER 12V 10W

139

VAA505

VAA505

Cosel

AC/DC CONVERTER 5V 5W

9

VAF1024

VAF1024

Cosel

AC/DC CONVERTER 24V 11W

4

TUXS200F28

TUXS200F28

Cosel

AC/DC CONVERTER 28V 200W

16

VAF1015

VAF1015

Cosel

AC/DC CONVERTER 15V 11W

6

VAA512

VAA512

Cosel

AC/DC CONVERTER 12V 5W

42

TUNS500F28

TUNS500F28

Cosel

AC/DC CONVERTER 28V 500W

35

DPG500

DPG500

Cosel

AC/DC CONVERTER 360V 500W

40

TUHS15F24

TUHS15F24

Cosel

AC/DC CONVERTER 24V 15W

131

TUNS700F48-P

TUNS700F48-P

Cosel

AC/DC CONVERTER 48V 701W

0

TUXS200F50

TUXS200F50

Cosel

AC/DC CONVERTER 50V 200W

6

TUHS3F24

TUHS3F24

Cosel

AC/DC CONVERTER 24V 3W

51

VAF503

VAF503

Cosel

AC/DC CONVERTER 3.3V 3W

2

TUHS10F15

TUHS10F15

Cosel

AC/DC CONVERTER 15V 10W

56

TUNS50F05

TUNS50F05

Cosel

AC/DC CONVERTER 5V 50W

74

VAF512

VAF512

Cosel

AC/DC CONVERTER 12V 5W

3

VAF515

VAF515

Cosel

AC/DC CONVERTER 15V 5W

7

TUHS5F24

TUHS5F24

Cosel

AC/DC CONVERTER 24V 5W

96

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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