Custom switched-mode power supply

Model

TP148A 42W

42W Class II headphone amplifier power supply IEC/EN/UL 60065

42W power supply used in a professional headphone amplifier. Conforms to 60065 audio safety standards.

Compliance
Open-frame 42W power supply for audio equipment

Key properties

At a glance

Nominal output power
42W
Multiple output voltages
+18Vdc, -18Vdc
Model reference
TPFB-42-2-A
Application
Audio
Input voltage
Universal input range
Construction
Open frame
Compliance
CE

Datasheet

Technical specifications

Protection
Overview 3
  • 42W power supply
  • Supplies the internal control electronics and the push pull amplifier of the application
  • Custom made
Application 1
  • Professional headphone amplifier
Input 4
Universal input voltage range
90Vac - 264Vac
Leakage current
0.25 mA RMS max
Efficiency
> 80%
Class II
Output 2
Nominal output power
42W
Multiple output voltages
+18Vdc, -18Vdc
Protections 3
  • Fuse protected AC input
  • Under / overvoltage protection
  • Overload / short circuit protection
Certificates 2
  • CE markedVDE
Safety & EMC 16
  • IEC/EN/UL 60065IEC/EN/UL 60335-1IEC/EN/UL 60950-1
  • EN 55014IEC/EN 61000-3-2IEC/EN 61000-3-3
  • IEC/EN 61000-4-2IEC/EN 61000-4-3IEC/EN 61000-4-4
  • IEC/EN 61000-4-5IEC/EN 61000-4-6IEC/EN 61000-4-11
  • IEC/EN 61000-6-1IEC/EN 61000-6-2IEC/EN 61000-6-3
  • IEC/EN 61000-6-4
Cooling 1
  • Free air convection
Construction 1
  • Open frame
Connections 2
Input
3 pins Molex connector
Output
3 pins Molex or Leoco connector
Dimensions & weight 2
Dimensions (L x W x H)
125 x 60 x 27 mm4.9 x 2.3 x 1.1 inch
Weight
0.26 kg

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