AC/DC Power Supplies

Cosel PBB7A-C SERIES AC/DC Power Supply

The Cosel PBB7A-C Series AC/DC Power Supply is a compact and efficient power solution for low-power PCB-mounted applications. With power outputs of 5W and voltage options of 5V, 12V, and 24V, this series offers dependable performance for industrial, medical, and electronic systems. Key features include a wide input voltage range (85–264VAC or 12...

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The Cosel PBB7A-C Series AC/DC Power Supply is a compact and efficient power solution for low-power PCB-mounted applications. With power outputs of 5W and voltage options of 5V, 12V, and 24V, this series offers dependable performance for industrial, medical, and electronic systems.

Key features include a wide input voltage range (85–264VAC or 120–370VDC) for global compatibility and efficiency ratings of up to 83%, ensuring energy savings. The lightweight and compact design, measuring just 28.7 x 12.7 x 17.5 mm and weighing 15g, makes it ideal for space-constrained designs. The PBB7A-C Series operates reliably in extreme temperatures from -40°C to +85°C (with derating) and is equipped with essential safety features such as overcurrent and overvoltage protection. It adheres to rigorous safety and noise standards, including UL60950-1, C-UL, EN60950-1, FCC-B, VCCI-B, and CISPR-B, ensuring both safety and low electromagnetic interference.

This RoHS and ErP-compliant power supply reflects Cosel's commitment to sustainability and comes with a 5-year manufacturer’s warranty, offering reliability and peace of mind. The PBB7A-C Series is an excellent choice for engineers and system designers requiring efficient power delivery in a compact footprint.

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Cosel PBB7A-C SERIES  AC/DC Power Supply
Features
  • 5W AC/DC Module
  • PCB Mounting
  • Small Footprint
  • ErP compliant
  • Meets Class II
  • High efficiency
  • Wide operating temperature -40 to 85C
Specifications
INPUT
Input Voltage 85 - 264Vac
Input Current 200Vac 0.35 typ (lo=100%)
Frequency 47-63Hz
Inrush current Limited by external components
Leakage current mA 0.40/0.75mA max. (ACIN 100V/240V, 60Hz, lo=100%, according to IEC60950-1)
OUTPUT
Output Voltage 5Vdc, 12Vdc, 24Vdc
Power 5W
Output Current See selection table
Line regulation

5V: 20mV max

12V: 48mV max

24V: 96mV max

Load regulation

5V: 40mV max

12V: 100mV max

24V: 150mV max

Ripple

For 30% - 100% Load

5V: 120mVp-p max

12V: 160mVp-p max

24V: 200mVp-p max

Temperature Regulation

For 0 to +85°C

5V: 100mV max

12V: 180 max

24V: 360 max

Voltage Setting V

5V: 4.90-5.30

12V: 13.11.40-12.60

24V: 23.00-25.00

Efficiency

82% Typical

PROTECTION
Overcurrent Protection Works over 105% of rating and recover automatically
Overvoltage Protection

5V: 5.50 - 8.00

12V: 13.20 - 19.20

24V: 26.40 - 38.40

ENVIRONMENTAL
Operating temperature

-40 to +85°C

Cooling Convection/forced air
Humidity 20%-95%RH non condensing
Altitude 3,000m (10,000 feet) max
STANDARDS AND APPROVALS
General UL60950-1, C-UL (CSA60950-1), EN60950-1
Conducted Noise FCC-B,VCCI-B,CISPR-B,EN55022-B
Harmonic Attenuator IEC61000-3-2 (Class A)
MECHANICAL
Dimensions 28.7 x 12.7 x 17.5mm
Weight 15g
Selection Table
MODEL NUMBER OUTPUT VOLTAGE OUTPUT CURRENT POWER
PBB7A-5C 5V 1A 5W
PBB7A-12C  12V 0.45A 5W
PBB7A-24C 24V 0.22A 5W
Technical Drawings
Downloads
PBB7A-C.pdf
Warranty & Returns

Warranty periods vary by product. Please refer to the Powerbox Warranty Policy for the applicable coverage period against manufacturing defects from date of purchase. For returns and RMA requests, please visit our RMA support page or contact our support team directly.