Active since 1984
TP122A

19W Class II power supply EN 55022 CISPR22 Class B

Model reference
TPFB-19-3-A
Nominal output power
19W
Multiple output voltages
+5V, +9V, -9V

TP122A

19W Linear transformer sized SMPS used in industrial weighing systems. Triple output: +5Vdc, +9Vdc and -9Vdc. 

TP122A 19W Class II power supply EN 55022 CISPR22 Class B

Overview

19W power supply
Small size and low weight
Fly back converter topology
Intergrated power fail signal
Accuracy of the three output voltages is achieved by a special design without the use of voltage regulators
Easy and reliable connections
Custom made

Application

Industrial weighing system: electronics of a digital control board and an analogue signal amplifier

Input

Universal input voltage range
  • :
    85 – 264 Vac
Leakage current
  • :
    1 mA RMS max.
Efficiency
  • :
    > 75%
Class II

Output

Nominal output power
  • :
    19W
Multiple output voltages
  • :
    +5V
  • :
    +9V
  • :
    -9V

Protections

+5V undervoltage protection
Overload / short circuit protection
Automatic restart after 3 seconds
Time related output power / overcurrent protection

Certificates

CE marked

Safety & EMC

EN 55022 (CISPR22) Class B
IEC/EN/UL 60950-1
IEC/EN 61000-3-3
IEC/EN 61000-4-2
IEC/EN 61000-4-3
IEC/EN 61000-4-4
IEC/EN 61000-4-5
IEC/EN 61000-4-6
IEC/EN 61000-4-11
IEC/EN 61000-6-3

Cooling

Free air convection

Construction

Semi-enclosed contruction
A custom made metal sheet cover prevents contact with the primary parts

Connections

Input
  • :
    2 Solder pins
Output
  • :
    6 Solder pins

Dimensions & Weight

Dimensions (L X W X H)
  • :
    58 × 68 × 39 mm
  • :
    2.3 × 2.7 × 1.5 inch
Weight
  • :
    0.15 KG