The PSB500 series of AC/DC power modules offers up to 500 watts of output power in a 4.60” x 2.40” x 0.5” full brick package. This series consists of single outputs models with an operating input voltage range of 90~290VAC or 130~400VDC. Each model in this series has digital control, built-in PFC, and remote ON/OFF and SENSE. Each model has over current, short circuit, over voltage, and over temperature protection, is RoHS compliant, and has CB, CE, and UL approvals. Please contact factory for order details.

• Operating Input Voltage Range of 90~290VAC or 130~400VDC • Digital Control, Built-In PFC • Built-In Soft Start Circuit • PMBus 1.2 Communication Protocol • Full Brick Size with Base Plate • Current Sharing (N≤6) • Over Current, Short Circuit, Over Voltage and Over Temperature Protection • Negative Logic • Remote ON/OFF and SENSE • Module can be Paralleled • RoHS6 Compliant • CB, CE, UL Approvals
Power (W)
Case Size  
PSB12S-500 Input Voltage: 90~290 Output Voltage: 12 Output Current: 42A Output Power (W): 500 No. Outputs: S Case: Through Hole, PCB Mount Size: 4.6" x 2.4" x 0.5" Get a Quote
PSB28S-500 Input Voltage: 90~290 Output Voltage: 28 Output Current: 18 Output Power (W): 500 No. Outputs: S Case: Through Hole, PCB Mount Size: 4.6" x 2.4" x 0.5" Get a Quote
PSB48S-500 Input Voltage: 90~290 Output Voltage: 48 Output Current: 10.5A Output Power (W): 500 No. Outputs: S Case: Through Hole, PCB Mount Size: 4.6" x 2.4" x 0.5" Get a Quote
Specification Value
Input Voltage (Nominal): 110/220
Input Voltage Range: 90~290
Remote ON/OFF: Negative Logic
PFC: 0.95
Input Frequency: 47 to 63Hz
Output Voltage: 12, 28, 48
Output Current: 10.5A, 18A, 42A
Output Power (Watts): 500
Short Circuit Protection: Yes
Over Voltage Protection: 12VDC: 15.5V
28VDC: 37V
48VDC: 59.5V
Thermal Protection: Yes
Efficiency: Up to 92.8%
Operating Temperature: -40 to 85ºC
Storage Temperature: -55 to 125ºC
Weight: 6.70oz (190g)
Dimensions: 4.60in x 2.40in x 0.5in (116.8mm x 61mm x 12.7mm)
Notes & safety
Notes: 1. The output voltage can be adjusted by 12C or the Trim pin. Preferentially use the Trim pin for output voltage adjustment.
2. Oscilloscope Bandwidth: 20MHz; Ripple and Noise depends on the environment temperature and external filter circuit. Reference technical manual.
3. Output Capacitor of 12VDC Models: 220µF x 6
Output Capacitor of 28VDC & 48VDC Models: 470µF x 3
4. When the temperature is below -25ºC, there is no requirement on the output voltage rise waveform.
5. The output power of each module must be greater than 200W. The voltage difference between modules connected in parallel should be less than 5%
6. The over temperature protection threshold is obtained by measuring the temperature of the middle of the baseplate.
7. This product is Listed to applicable standards and requirements by UL.
*Due to advances in technology, specifications subject to change without notice.
Safety Approvals: All Models: UL60950-1, EN6950-1, IEC 60950-1 TUV, CE, & UL
28VDC & 48VDC Models: C22.2 No. 60950-1
RoHS Compliance: Yes

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