Description
Description
WSU120-1000-R is a compact, fully enclosed external AC-to-DC power supply designed for plug-in use. With a regulated 12 V output at 1 A (12 W), it is ideal for powering electronics, embedded devices, or auxiliary circuits without the need for internal power supply design.
Key Features & Benefits
- Wide input range: Operates from 100 VAC up to 240 VAC, 50–60 Hz, making it suitable for global voltage environments.
- Regulated output: Provides 12 V DC at up to 1 A with stable performance across load variation.
- Compact plug-in form factor: Eliminates the need for internal PSU heatsinking or ventilation; reduces noise, size, and heat in host applications.
- Safety & isolation: Double-insulated construction (Class II), dielectrically isolated to 4 kV DC for one minute.
- Polarity & connector: Uses a barrel plug (2.1 mm × 5.5 mm × 11 mm) with center-negative polarity.
- Efficiency & compliance: Meets regulatory efficiency standards (Level VI / EISA 2007) for external power supplies.
Specifications at a Glance
|
Parameter |
Value |
|
Output Voltage |
12 V DC |
|
Max Output Current |
1 A |
|
Maximum Power |
12 W |
|
Input Voltage Range |
100–240 VAC (50–60 Hz) |
|
Connector Type |
Barrel (2.1 mm × 5.5 mm × 11 mm) |
|
Polarity |
Center Negative |
|
Isolation |
4 kV DC dielectric strength (1 min) |
|
Enclosure |
Thermoplastic, fully enclosed |
|
Operating Temp |
–10 °C to +40 °C (typical) |
|
Efficiency Class |
Level VI / EISA 2007 compliant |
|
Regulatory |
RoHS compliant, no SVHC listing |
Applications & Use Cases
- Powering small electronics, sensors, controllers, single-board computers, or peripheral devices
- Use in embedded or instrumentation systems where internal power modules are impractical
- Retrofit or upgrade older designs to a modern regulated external supply
- Ideal for OEMs wanting a plug-in power source without designing internal power circuitry
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