AC DC Converters

Image Part Number Description / PDF Quantity Rfq
PFE500F28/T

PFE500F28/T

TDK-Lambda, Inc.

AC/DC CONVERTER 28V 500W

445

KMS15A-12

KMS15A-12

TDK-Lambda, Inc.

AC/DC CONVERTER 12V 15W

240

KWD5-1515

KWD5-1515

TDK-Lambda, Inc.

AC/DC CONVERTER +/-15V 5W

114

KPSA1012

KPSA1012

TDK-Lambda, Inc.

AC/DC CONVERTER 12V 10W

1502

PFE1000FA-12

PFE1000FA-12

TDK-Lambda, Inc.

AC/DC CONVERTER 12V 720W

0

KAS2-5

KAS2-5

TDK-Lambda, Inc.

AC/DC CONVERTER 5V 2W

100

KPSA1512

KPSA1512

TDK-Lambda, Inc.

AC/DC CONVERTER 12V 15W

8

KMT40-51212

KMT40-51212

TDK-Lambda, Inc.

AC/DC CONVERTER 5V +/-12V 40W

672

KMS40-24

KMS40-24

TDK-Lambda, Inc.

AC/DC CONVERTER 24V 40W

1216

KMS30A-15

KMS30A-15

TDK-Lambda, Inc.

AC/DC CONVERTER 15V 30W

20

KPSA153R3

KPSA153R3

TDK-Lambda, Inc.

AC/DC CONVERTER 3.3V 15W

0

PFE500SA48/T

PFE500SA48/T

TDK-Lambda, Inc.

AC/DC CONVERTER 48V 504W

73

KMS15A-5

KMS15A-5

TDK-Lambda, Inc.

AC/DC CONVERTER 5V 15W

66

CUS30M24/P

CUS30M24/P

TDK-Lambda, Inc.

AC/DC CONVERTER 24V 30W

9

KWD5-1212

KWD5-1212

TDK-Lambda, Inc.

AC/DC CONVERTER +/-12V 5W

46

CUS30M48/P

CUS30M48/P

TDK-Lambda, Inc.

AC/DC CONVERTER 48V 30W

9

KWS5A-12

KWS5A-12

TDK-Lambda, Inc.

AC/DC CONVERTER 12V 5W

217

PF500A-360

PF500A-360

TDK-Lambda, Inc.

AC/DC CONVERTER 360VDC 500W

107880

PFH500F-28-000-R

PFH500F-28-000-R

TDK-Lambda, Inc.

AC/DC CONVERTER 28V 504W

15

KWS10A-24

KWS10A-24

TDK-Lambda, Inc.

AC/DC CONVERTER 24V 10W

84

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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