AC DC Converters

Image Part Number Description / PDF Quantity Rfq
PBK-1-12

PBK-1-12

CUI Inc.

AC/DC CONVERTER 12V 1W

39

VOF-10B-S9

VOF-10B-S9

CUI Inc.

AC/DC CONVERTER 9V 10W

0

PBK-5-12

PBK-5-12

CUI Inc.

AC/DC CONVERTER 12V 5W

409

VOF-S12B-5

VOF-S12B-5

CUI Inc.

AC-DC, 12 W, 5 VDC, SINGLE OUTPU

14

PBO-5C-5

PBO-5C-5

CUI Inc.

AC-DC, 5 W, 5 VDC, SINGLE OUTPUT

250

PBO-8-24-B

PBO-8-24-B

CUI Inc.

AC-DC, 8 W, 24 VDC, SINGLE OUTPU

60

VMS-20-9

VMS-20-9

CUI Inc.

AC/DC CONVERTER 9V 20W

0

PSK-S2C-15

PSK-S2C-15

CUI Inc.

AC/DC CONVERTER 15VDC 2W

44

PSK-15B-S5

PSK-15B-S5

CUI Inc.

AC/DC CONVERTER 5V 15W

0

VSK-S15-3R3U

VSK-S15-3R3U

CUI Inc.

AC/DC CONVERTER 3.3V 15W

1

PBO-5-S15-B

PBO-5-S15-B

CUI Inc.

AC/DC CONVERTER 15VDC 5.1W

235

VOF-S25B-12-PB

VOF-S25B-12-PB

CUI Inc.

AC-DC, 25 W, 12 VDC, SINGLE OUTP

12

PSK-20D-12

PSK-20D-12

CUI Inc.

AC-DC, 20 W, 12 VDC, SINGLE OUTP

70

VSK-S25-9U

VSK-S25-9U

CUI Inc.

AC/DC CONVERTER 9V 25W

263

VSK-S10-15UA

VSK-S10-15UA

CUI Inc.

AC/DC CONVERTER 15V 10W

146

PBO-3-S15

PBO-3-S15

CUI Inc.

AC/DC CONVERTER 15V 3W

0

PSK-15B-S48

PSK-15B-S48

CUI Inc.

AC/DC CONVERTER 48V 15W

134

PSK-S15C-9

PSK-S15C-9

CUI Inc.

AC/DC CONVERTER 9V 14W

24

PSK-6B-S5

PSK-6B-S5

CUI Inc.

AC/DC CONVERTER 5V 6W

542

VSK-S5-3R3UA

VSK-S5-3R3UA

CUI Inc.

AC/DC CONVERTER 3.3V 5W

42

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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