AC DC Converters

Image Part Number Description / PDF Quantity Rfq
KMS60A-12

KMS60A-12

TDK-Lambda, Inc.

AC/DC CONVERTER 12V 60W

25

PFE500F-28

PFE500F-28

TDK-Lambda, Inc.

AC/DC CONVERTER 28V 500W

195150

KWS15-12

KWS15-12

TDK-Lambda, Inc.

AC/DC CONVERTER 12V 15W

353

PFE300SA48/T

PFE300SA48/T

TDK-Lambda, Inc.

AC/DC CONVERTER 48V 302W

34

KPSA1524

KPSA1524

TDK-Lambda, Inc.

AC/DC CONVERTER 24V 15W

0

KWS10A-15

KWS10A-15

TDK-Lambda, Inc.

AC/DC CONVERTER 15V 10W

5

KAS4-14

KAS4-14

TDK-Lambda, Inc.

AC/DC CONVERTER 14V 4W

5

KMD40-512

KMD40-512

TDK-Lambda, Inc.

AC/DC CONVERTER 5V 12V 40W

54

PFE700SA48/T

PFE700SA48/T

TDK-Lambda, Inc.

AC/DC CONVERTER 51V 714W

0

KAS2-15

KAS2-15

TDK-Lambda, Inc.

AC/DC CONVERTER 15V 2W

11

PFE300SA28/T

PFE300SA28/T

TDK-Lambda, Inc.

AC/DC CONVERTER 28V 302W

21

PFE300S-48

PFE300S-48

TDK-Lambda, Inc.

AC/DC CONVERTER 48V 300W

5

PFE500F48

PFE500F48

TDK-Lambda, Inc.

AC/DC CONVERTER 48V 500W

119250

CUS30M18/P

CUS30M18/P

TDK-Lambda, Inc.

AC/DC CONVERTER 18V 31W

9

KPSA1024

KPSA1024

TDK-Lambda, Inc.

AC/DC CONVERTER 24V 10W

30

KWS15A-24

KWS15A-24

TDK-Lambda, Inc.

AC/DC CONVERTER 24V 15W

42

PFE500SA28/T

PFE500SA28/T

TDK-Lambda, Inc.

AC/DC CONVERTER 28V 504W

1093

PFE1000FA-48

PFE1000FA-48

TDK-Lambda, Inc.

AC/DC CONVERTER 48V 1008W

102529

PF1000A-360

PF1000A-360

TDK-Lambda, Inc.

AC/DC CONVERTER 360VDC 1000W

143

KPSA515

KPSA515

TDK-Lambda, Inc.

AC/DC CONVERTER 15V 5W

1

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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