AC DC Converters

Image Part Number Description / PDF Quantity Rfq
PWC12-15E

PWC12-15E

Astrodyne TDI

AC/DC ENCAPSULATED 15V, 12W

0

EPM30-033-BP-0F0

EPM30-033-BP-0F0

Astrodyne TDI

AC/DC OPEN FRAME MED 3.3V, 30W

46

PWC12-3.3

PWC12-3.3

Astrodyne TDI

AC/DC OPEN FRAME 3.3V, 12W

291

PWC12-24SE

PWC12-24SE

Astrodyne TDI

AC/DC ENCAPSULATED 24V, 12W

50

PWC-15E

PWC-15E

Astrodyne TDI

AC/DC ENCAPSULATED 15V, 5W

248

PWC-3.3S

PWC-3.3S

Astrodyne TDI

AC/DC OPEN FRAME, SIP, 3.3V, 5W

77

PWC12-24S

PWC12-24S

Astrodyne TDI

AC/DC OPEN FRAME, SIP, 24V, 12W

19

EPM30-240-BP-0F0

EPM30-240-BP-0F0

Astrodyne TDI

AC/DC OPEN FRAME MED 24V, 30W

89

PWC12-15

PWC12-15

Astrodyne TDI

AC/DC OPEN FRAME 15V, 12W

24

EPM30-090-BE-0F0

EPM30-090-BE-0F0

Astrodyne TDI

AC/DC ENCAPSULATED MED 9V, 30W

50

SMV-28-500

SMV-28-500

Astrodyne TDI

500W AC-DC FULL BRICK, 28V

0

PWC12-9S

PWC12-9S

Astrodyne TDI

AC/DC OPEN FRAME, SIP, 9V, 12W

48

EPM30-180-BP-0F0

EPM30-180-BP-0F0

Astrodyne TDI

AC/DC OPEN FRAME MED 18V, 30W

96

PWC-12E

PWC-12E

Astrodyne TDI

AC/DC ENCAPSULATED 12V, 5W

32

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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