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Mean Well PD-45B Power Supply 45W 5V 24V

Q: Can I use the PD-45B for a 5V automation controller, HMI, or communication device?

Yes, the PD-45B is appropriate for 5V constant voltage automation electronics that need up to 3.2A. Its 44.8W rating gives more headroom than lower-power 25W class models for larger 5V assemblies.

Q: Is the PD-45B suitable for embedded equipment with several 5V loads on one supply?

It can be used for multi-board or peripheral-heavy 5V systems as long as the combined draw stays within 3.2A. The output is constant voltage at 5V, with 44.8W total available power.

Q: Can the PD-45B support industrial monitoring or control electronics that need a stable 5V supply?

Yes, it is intended for constant voltage use and fits industrial monitoring, control, or logic electronics that require 5V. Compared with smaller PD-25 series options, the 3.2A output supports heavier 5V loads.

Q: Can the PD-45B be used outside or in unprotected enclosures?

The listed operating temperature range is -10°C to +60°C, but there is no IP rating in the provided specifications. Because of that, it is better suited to indoor or protected enclosure use rather than direct outdoor exposure.

Q: How does the PD-45B compare with other PD family models?

The PD-45B is rated at 44.8W with 5V and 3.2A. Other listed PD models are PD-25A at 24.9W, 5V, 2.1A; PD-25B at 25.2W, 5V, 1.2A; PD-2505 at 25W, 5V, 2.5A; PD-2512 at 24W, 12V, 1A; PD-2515 at 24W, 15V, 0.8A; PD-45A at 40W, 5V, 3.2A; PD-65A at 61.1W, 5V, 5.5A; PD-65B at 65.5W, 5V, 3.5A; and PD-110A and PD-110B at 103W.

low leakage current < 0.5mA, low cost, high reliability

SKU:

PD-45B

$17.15 USD

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Description

Features

Universal AC input / Full range

Low leakage current < 0.5mA

Protections: Short circuit / Overload / Over voltage / Over temperature

Cooling by free air convection

100% full load burn-in test

Fixed switching frequency at 65KHz

Low cost

High reliability

2 years warranty

General Specification

AC input voltage range	90~264VAC; 127~370VDC
AC inrush current	Cold start 30A
Leakage current	<0.75mA/240VAC
Overload protection	Above 117% rated output power
Over voltage protection	115%~135% rated output voltage
Setup, rise, hold up time	800ms, 20ms, 60ms
Withstand voltage	I/P-O/P:3KVAC, I/P-FG:2KVAC, O/P-FG:0.5KVAC
Working temperature	-10~+60°C
Vibration	10~500Hz, 2G 10min./1cycle, period for 60min. Each along X, Y, Z axes
Safety standards	UL,TUV 62368-1
EMC standards	EN55032 class B, EN61000-3-2,3, EN61000-4-2,3,4,5
Connection	I/P: 2 Pin Molex 5277-02, O/P: 6 Pin Molex 5273-06
Dimension (LxWxH)	127x76x28mm
Packing	72pcs / 16kg

Specifications

Brand

Mean Well
Series

PD Series
Power Rating

44.8 Watt
Output Voltage

5 Volt
Rated Current

3.2 Ampere
Input Voltage

90V~264V
No of Output

2
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

0.44 lb

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Frequently Asked Questions

Can I use the PD-45B for a 5V automation controller, HMI, or communication device?

Yes, the PD-45B is appropriate for 5V constant voltage automation electronics that need up to 3.2A. Its 44.8W rating gives more headroom than lower-power 25W class models for larger 5V assemblies.

Is the PD-45B suitable for embedded equipment with several 5V loads on one supply?