Custom switched-mode power supply

Model

TP122A 19W

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

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

Compliance
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Open-frame 19W power supply for measurement and control equipment

Key properties

At a glance

Nominal output power
19W
Multiple output voltages
+5V, +9V, -9V
Safety class
Class II
Model reference
TPFB-19-3-A
Application
Measurement & control
Input voltage
Universal input range
Construction
Open frame
Compliance
CE

Datasheet

Technical specifications

Protection
Overview 7
  • 19W power supply
  • Small size and low weight
  • Fly back converter topology
  • Intergrated power fail signal
  • Accuracy of the three output voltages achieved by special design without voltage regulators
  • Easy and reliable connections
  • Custom made
Application 1
Industrial weighing system
electronics of digital control board and analogue signal amplifier
Input 4
Universal input voltage range
85 - 264 Vac
Leakage current
1 mA RMS max.
Efficiency
> 75%
Class II
Output 2
Nominal output power
19W
Multiple output voltages
+5V, +9V, -9V
Protections 4
  • +5V undervoltage protection
  • Overload / short circuit protection
  • Automatic restart after 3 seconds
  • Time related output power / overcurrent protection
Certificates 1
  • CE marked
Safety & EMC 10
  • IEC/EN/UL 60950-1EN 55022 (CISPR22) Class BIEC/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 61000-6-3
Cooling 1
  • Free air convection
Construction 2
  • Semi-enclosed construction
  • Custom made metal sheet cover prevents contact with primary parts
Connections 2
Input
2 Solder pins
Output
6 Solder pins
Dimensions & weight 2
Dimensions (L x W x H)
58 x 68 x 39 mm2.3 x 2.7 x 1.5 inch
Weight
0.15 kg

Total Power Europe · TP122A · totalpower.nl

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