AC DC Converters

Image Part Number Description / PDF Quantity Rfq
PFE1000FA-28

PFE1000FA-28

TDK-Lambda, Inc.

AC/DC CONVERTER 28V 1008W

11638

KPS1012

KPS1012

TDK-Lambda, Inc.

AC/DC CONVERTER 12V 10W

225

KMS30A-12

KMS30A-12

TDK-Lambda, Inc.

AC/DC CONVERTER 12V 30W

58

KWS25A-5

KWS25A-5

TDK-Lambda, Inc.

AC/DC CONVERTER 5V 25W

39

PFE500F48/T

PFE500F48/T

TDK-Lambda, Inc.

AC/DC CONVERTER 48V 500W

0

KWS25A-12

KWS25A-12

TDK-Lambda, Inc.

AC/DC CONVERTER 12V 25W

141

KMS30A-24

KMS30A-24

TDK-Lambda, Inc.

AC/DC CONVERTER 24V 30W

9520

KWS5A-24

KWS5A-24

TDK-Lambda, Inc.

AC/DC CONVERTER 24V 5W

8

KAS4-8

KAS4-8

TDK-Lambda, Inc.

AC/DC CONVERTER 8V 4W

11

KAS4-9

KAS4-9

TDK-Lambda, Inc.

AC/DC CONVERTER 9V 4W

6

KPS1515

KPS1515

TDK-Lambda, Inc.

AC/DC CONVERTER 15V 15W

5

KPSA155

KPSA155

TDK-Lambda, Inc.

AC/DC CONVERTER 5V 15W

0

CUS30M12/P

CUS30M12/P

TDK-Lambda, Inc.

AC/DC CONVERTER 12V 30W

0

KPSA1515

KPSA1515

TDK-Lambda, Inc.

AC/DC CONVERTER 15V 15W

0

KPSB6-5-E

KPSB6-5-E

TDK-Lambda, Inc.

AC/DC CONVERTER 5V 6W PCB MT

0

KPSB6-3R3-E

KPSB6-3R3-E

TDK-Lambda, Inc.

AC/DC CONVERTER 3.3V 5W PCB MT

0

KPSB25-12

KPSB25-12

TDK-Lambda, Inc.

AC/DC CONVERTER 12V 25W PCB MT

0

CUS60M12/P

CUS60M12/P

TDK-Lambda, Inc.

AC/DC CONVERTER 12V 60W

7

CUS60M48/P

CUS60M48/P

TDK-Lambda, Inc.

AC/DC CONVERTER 48V 60W

1

KPSB6-5

KPSB6-5

TDK-Lambda, Inc.

AC/DC CONVERTER 5V 6W PCB MT

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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