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Mean Well PT-45A Power Supply 45W 5V 12V -5V

low leakage current < 0.5mA, small and compact
SKU:
PT-45A

$19.13 USD
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Description

<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

Specifications

  • Brand
    Mean Well
  • Series
    PT Series
  • Power Rating
    40.5 Watt
  • Output Voltage
    5 Volt
  • Rated Current
    3 Ampere
  • Input Voltage
    90V~264V
  • No of Output
    3
  • Dimming Control
    None
  • Standards Met
    CB,CE,EAC,TUV,UL
  • Operation Mode
    Constant Voltage
  • Operating Temperature
    -10°C~60°C
  • Warranty
    2 Year
  • Length
    5 in
  • Width
    2.99 in
  • Height
    1.1 in
  • Weight
    0.46 lb

File Downloads

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Frequently Asked Questions

Can I use the PT-45A for a 5V industrial controller that also needs 12V and -5V rails?

The PT-45A is a constant voltage power supply with a 5V output rated at 3A and a total power rating of 40.5W. Its product configuration includes 5V, 12V, and -5V rails, so it fits control or interface boards built around those voltages.

Is the PT-45A suitable for embedded systems with a 5V logic section and legacy analog circuitry?

This model can fit embedded assemblies that use a 5V logic rail and also require 12V and -5V rails in the same power supply family. The 5V output is rated at 3A, and the overall unit is rated for 40.5W.

Can the PT-45A power a compact automation panel where space is limited?

The PT-45A is relatively compact at 127.0 x 76.0 x 28.0 mm and weighs 0.21 kg. That makes it a practical option for smaller industrial or automation assemblies that need a 5V 3A supply within a 40.5W platform.

Is the PT-45A appropriate for outdoor or washdown environments?

The published operating temperature range is -10°C to +60°C, but the listed specs do not include an IP rating. That makes it a better fit for protected indoor equipment or enclosed industrial systems than for exposed outdoor or washdown conditions.

How does the PT-45A compare with other Mean Well PT series siblings?

Within the sibling group, PT-4503 is 45.2W at 5V 4A, PT-45B is 42.6W 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-45A itself is 40.5W at 5V 3A, so it sits at the lower-power end of this PT family.

Other PT Series Models

7 other models
ModelPower Voltage Current IP RatingPrice
Mean Well PT-65C Power Supply 65W 5V 15V -15V 65W 5V 5.5A Indoor$20.75 View
Mean Well PT-65D Power Supply 65W 5V 12V 24V 68W 5V 4A Indoor$20.75 View
Mean Well PT-65B Power Supply 65W 5V 12V -12V 63.5W 5V 5.5A Indoor$20.75 View
Mean Well PT-65A Power Supply 65W 5V 12V -5V 60W 5V 5.5A Indoor$20.75 View
Mean Well PT-6503 Power Supply 65W 5V 5V 12V 61.8W 5V 6A Indoor$26.60 View
Mean Well PT-45C Power Supply 45W 5V 15V -15V 43.5W 5V 3A Indoor$19.10 View
Mean Well PT-45B Power Supply 45W 5V 12V -12V 42.6W 5V 3A Indoor$19.10 View
Mean Well PT-45A Power Supply 45W 5V 12V -5V
Mean Well

Mean Well PT-45A Power Supply 45W 5V 12V -5V

$19.13 USD

<0.75mA

Key Features

View product