AC/DC Power Supplies

Cosel PBB7A-B SERIES AC/DC Power Supply

The Cosel PBB7A-B Series AC/DC Power Supply is a compact and efficient solution for low-power PCB-mounted applications, offering reliable performance with a power output of 3W. Available in voltage options of 5V, 12V, and 24V, it is ideal for use in industrial, medical, and IT systems requiring consistent and compact power solutions.

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Cosel PBB7A-B SERIES AC/DC Power Supply

Features

  • 3W AC/DC Module
  • PCB Mounting
  • Small Footprint
  • ErP compliant
  • Meets Class II
  • High efficiency
Specifications
INPUT
Input voltage 85-264Vac
Input current 200Vac 0.05A typ (lo=100%)
Frequency 47-63Hz
Inrush current Limited by external components
Leakage current 0.40/0.75mA max. (100V/240Vac, 60Hz, lo=100%, according to IEC60950-1)
OUTPUT
Output Voltage 5Vdc, 12Vdc, 24Vdc
Output Power 3W
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: 180mV max

24V: 360mV max
Efficiency 79% Typical
PROTECTION
Overcurrent Protection

Works over 105% of rating

Recovers automatically
Overvoltage Protection

5V: 5.50 - 8.00V

12V: 13.20 - 19.20V

24V: 26.40 - 38.40V
ENVIRONMENT
Operating temperature

-40 to +85°C

Derating: contact Powerbox
Cooling Convection
Humidity 20%-95% RH non condensing
Altitude 3,000m 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-5B 5V 0.6A 3W
PBB7A-12B 12V 0.25A 3W
PBB7A-24B 24V 0.13A 3W
Technical Illustrations
Electrical component diagram with pin labels. Technical drawing showing measurements in millimetres and inches. Technical drawing of a component with dimensions.
Downloads
PBB7A-B.pdf
INPUT
Input voltage 85-264Vac
Input current 200Vac 0.05A typ (lo=100%)
Frequency 47-63Hz
Inrush current Limited by external components
Leakage current 0.40/0.75mA max. (100V/240Vac, 60Hz, lo=100%, according to IEC60950-1)
OUTPUT
Output Voltage 5Vdc, 12Vdc, 24Vdc
Output Power 3W
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: 180mV max

24V: 360mV max
Efficiency 79% Typical
PROTECTION
Overcurrent Protection

Works over 105% of rating

Recovers automatically
Overvoltage Protection

5V: 5.50 - 8.00V

12V: 13.20 - 19.20V

24V: 26.40 - 38.40V
ENVIRONMENT
Operating temperature

-40 to +85°C

Derating: contact Powerbox
Cooling Convection
Humidity 20%-95% RH non condensing
Altitude 3,000m 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
MODEL NUMBER OUTPUT VOLTAGE OUTPUT CURRENT POWER
PBB7A-5B 5V 0.6A 3W
PBB7A-12B 12V 0.25A 3W
PBB7A-24B 24V 0.13A 3W
Electrical component diagram with pin labels. Technical drawing showing measurements in millimetres and inches. Technical drawing of a component with dimensions.
PBB7A-B.pdf

Find the Right Model

Model Number Input Voltage (Vac) Output Voltage (Vdc) Output Current (A)
product variant PBB7A-5B 85...264Vac 50/60Hz 5Vdc 0.6A
product variant PBB7A-12B 85...264Vac 50/60Hz 12Vdc 0.25A
product variant PBB7A-15B 85...264Vac 50/60Hz 15Vdc 0.2A
product variant PBB7A-24B 85...264Vac 50/60Hz 24Vdc 0.13A

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