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AC DC Converters

Image Part Number Description / PDF Quantity Rfq
HWB060S-24-M-C

HWB060S-24-M-C

Sanken Electric Co., Ltd.

AC/DC CONVERTER 24V 60W

50
SWF240P-48

SWF240P-48

Sanken Electric Co., Ltd.

AC/DC CONVERTER 48V 240W

19
SWG050-24

SWG050-24

Sanken Electric Co., Ltd.

AC/DC CONVERTER 24V 50W

2
PTS162M1212

PTS162M1212

Sanken Electric Co., Ltd.

AC/DC CONVERTER 12V 1600W

4
SWF150P-48

SWF150P-48

Sanken Electric Co., Ltd.

AC/DC CONVERTER 48V 150W

16
HWB060S-05

HWB060S-05

Sanken Electric Co., Ltd.

AC/DC CONVERTER 5V 60W

9
SWF100P-36

SWF100P-36

Sanken Electric Co., Ltd.

AC/DC CONVERTER 36V 100W

5
HWB015D-15

HWB015D-15

Sanken Electric Co., Ltd.

AC/DC CONVERTER +/-15V 15W

2
HWB030S-05-RM-C

HWB030S-05-RM-C

Sanken Electric Co., Ltd.

AC/DC CONVERTER 5V 30W

28
HWB060S-15

HWB060S-15

Sanken Electric Co., Ltd.

AC/DC CONVERTER 15V 60W

3
SWF150P-24

SWF150P-24

Sanken Electric Co., Ltd.

AC/DC CONVERTER 24V 150W

16
SWG030-24

SWG030-24

Sanken Electric Co., Ltd.

AC/DC CONVERTER 24V 30W

31
SWG050-12

SWG050-12

Sanken Electric Co., Ltd.

AC/DC CONVERTER 12V 50W

15
HWB030S-05-C

HWB030S-05-C

Sanken Electric Co., Ltd.

AC/DC CONVERTER 5V 30W

9
HWB030S-15

HWB030S-15

Sanken Electric Co., Ltd.

AC/DC CONVERTER 15V 30W

1
SWF100P-48

SWF100P-48

Sanken Electric Co., Ltd.

AC/DC CONVERTER 48V 100W

4
SWG100-05

SWG100-05

Sanken Electric Co., Ltd.

AC/DC CONVERTER 5V 100W

4
HWB015S-15

HWB015S-15

Sanken Electric Co., Ltd.

AC/DC CONVERTER 15V 15W

1
HWB030D-15-M-C

HWB030D-15-M-C

Sanken Electric Co., Ltd.

AC/DC CONVERTER +/-15V 30W

3
HWB060S-12

HWB060S-12

Sanken Electric Co., Ltd.

AC/DC CONVERTER 12V 60W

1

AC DC Converters

1. Overview

AC-DC converters are electronic devices that convert alternating current (AC) to direct current (DC). They are critical components in power supply systems for modern electronics, enabling equipment to operate safely and efficiently. External/internal (off-board) converters are designed for integration into systems or as standalone units, serving diverse applications from consumer electronics to industrial machinery. Their importance lies in ensuring stable power delivery, voltage regulation, and compliance with global energy standards.

2. Main Types and Functional Classification

Type Functional Features Application Examples
External AC Adapters Plug-in power supplies with universal input (90-264V AC), isolated output, and over-current protection Laptop chargers, LED monitors, medical devices
Internal Board-Mounted Converters Compact designs with high power density, designed for PCB integration with minimal external components Servers, telecommunications equipment, test instruments
Open-Frame Converters Exposed PCB design for optimal thermal management, requiring external enclosure Industrial automation systems, power distribution units
Rack-Mount Converters Modular units with standardized dimensions for data center scalability Telecom infrastructure, cloud computing servers

3. Structure and Components

Typical physical structure includes:

  • Enclosure: Metal/plastic housing with ventilation slots
  • Primary Circuit: Input filter, rectifier bridge, and PFC (Power Factor Correction) circuit
  • Transformer: Galvanic isolation with primary/secondary windings
  • Secondary Circuit: Output rectifier, LC filter, and voltage regulator
  • Control IC: PWM controller for output stability and feedback loop
  • Protection Circuits: OVP (Over Voltage), OCP (Over Current), OTP (Over Temperature)

4. Key Technical Specifications

Parameter Description
Input Voltage Range 90-264V AC (global standard), with 47-63Hz frequency tolerance
Output Voltage Accuracy 1% to 5% regulation under varying load conditions
Efficiency 85-96% (80 PLUS certification levels: Bronze to Titanium)
Power Factor (PF) 0.90-0.99 (active PFC required for >75W devices)
Isolation Voltage 1500-4000V AC (safety barrier between input/output)
Operating Temperature -40 C to +70 C (industrial grade), with derating above 50 C
Safety Certifications UL/CSA 62368-1, EN 60335, IEC 60950-1

5. Application Fields

  • Consumer Electronics: Smartphone chargers, gaming consoles
  • Industrial Automation: PLCs, CNC machines, IoT gateways
  • Telecommunications: 5G base stations, optical network units
  • Medical Equipment: Patient monitors, imaging systems (2xMOPP isolation)
  • Data Centers: Server power supplies, storage arrays

6. Leading Manufacturers and Products

Manufacturer Representative Product Key Features
Delta Electronics PAD-150G 150W external adapter, 94% efficiency, medical safety certification
TDK-Lambda ZUBD1000 1kW digital power supply with PMBus interface
Mean Well RS-35-5 35W industrial open-frame converter, 4kV isolation
CUI Inc PSK-50-24 50W PCB-mount power supply with 3:1 input range

7. Selection Recommendations

  • Determine required output power with 20% safety margin
  • Select appropriate form factor (external/internal) based on system integration needs
  • Verify compliance with target market safety standards
  • Assess thermal management requirements (convection vs forced-air cooling)
  • Consider digital control features for smart power management
  • Evaluate MTBF (Mean Time Between Failures) for critical applications

Industry Development Trends

Current trends include:

  • Increased efficiency targets (>96%) driven by Energy Star regulations
  • GaN/SiC transistor adoption for higher switching frequencies and density
  • Smart power systems with IoT connectivity and predictive maintenance
  • Wide input voltage ranges (85-305V AC) for global deployment
  • Reduced form factors through planar magnetics and 3D packaging
  • Environmental compliance (RoHS, REACH) driving lead-free and recyclable designs
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