TP122A

19W Class II weighing system power supply EN 55022 CISPR22 Class B

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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 weighing system 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