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Mean Well PT-45B Power Supply 45W 5V 12V -12V 3A
<0.75mA
Key Features
- ✓Universal AC input / Full range
- ✓Low leakage current<0.5mA
- ✓Protections: Short circuit/ Overload/ Over voltage
- ✓Cooling by free air convection
- ✓100% full load burn-in test
- ✓Fixed switching frequency at 65KHz
- ✓2 years warranty
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BrandMean Well
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SeriesPT Series
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Power Rating42.6 Watt
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Output Voltage5 Volt
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Rated Current3 Ampere
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Input Voltage90V~264V
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No of Output3
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Dimming ControlNone
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Standards MetCB,CE,EAC,TUV,UL
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Operation ModeConstant Voltage
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Operating Temperature-10°C~60°C
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Warranty2 Year
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Length5 in
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Width2.99 in
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Height1.1 in
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Weight0.46 lb
::specification::
Frequently Asked Questions
Can I use the PT-45B for a 5V digital control board that also needs +12V and -12V rails?
The PT-45B is a constant voltage model with a 5V output rated at 3A and a total power rating of 42.6W. Its product configuration includes 5V, 12V, and -12V rails, which matches mixed-signal or control systems built around those voltages.
Is the PT-45B a fit for instrumentation or industrial interface hardware with bipolar analog stages?
It can be considered for equipment that combines 5V digital sections with +12V and -12V rails in the same power supply family. The listed 5V output is 3A, and the unit is rated for 42.6W total.
Can the PT-45B work in a compact embedded or IT chassis?
This supply is built in a small 127.0 x 76.0 x 28.0 mm form factor and weighs 0.21 kg. Those dimensions make it suitable where a 5V 3A, 42.6W power supply is needed in tighter enclosed equipment.
Is the PT-45B meant for indoor or outdoor equipment?
The specified operating range is -10°C to +60°C, and no IP rating is listed in the provided specs. That points to use in protected indoor equipment or inside an enclosure rather than direct outdoor exposure.
What are the main output differences between the PT-45B and its PT series siblings?
Among the listed siblings, PT-4503 is 45.2W at 5V 4A, PT-45A is 40.5W at 5V 3A, PT-45C is 43.5W at 5V 3A, PT-6503 is 61.8W at 5V 6A, PT-65A is 60W at 5V 5.5A, PT-65B is 63.5W at 5V 5.5A, PT-65C is 65W at 5V 5.5A, and PT-65D is 68W at 5V 4A. PT-45B is rated at 42.6W with a 5V 3A output, placing it in the lower-power 45W portion of the range.
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Other PT Series Models
7 other models| Model | Power | Voltage | Current | IP Rating | Price | |
|---|---|---|---|---|---|---|
| Mean Well PT-65C Power Supply 65W 5V 15V -15V 5.5A | 65W | 5V | 5.5A | Indoor | $20.75 | View |
| Mean Well PT-65D Power Supply 65W 5V 12V 24V 4A | 68W | 5V | 4A | Indoor | $20.75 | View |
| Mean Well PT-65B Power Supply 65W 5V 12V -12V 5.5A | 63.5W | 5V | 5.5A | Indoor | $20.75 | View |
| Mean Well PT-65A Power Supply 65W 5V 12V -5V 5.5A | 60W | 5V | 5.5A | Indoor | $20.75 | View |
| Mean Well PT-6503 Power Supply 65W 5V 5V 12V 6A | 61.8W | 5V | 6A | Indoor | $26.60 | View |
| Mean Well PT-45C Power Supply 45W 5V 15V -15V 3A | 43.5W | 5V | 3A | Indoor | $19.10 | View |
| Mean Well PT-45A Power Supply 45W 5V 12V -5V 3A | 40.5W | 5V | 3A | Indoor | $19.13 | View |
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