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High Stability Ferrite Core SMPS POT33 Switching Power Supply Transformer

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Model NO. :SANHE-POT33

SANHE-POT33 is a switching power supply transformer used in 75W dot matrix printer power supply. It provides the required working voltage and energy for the control part and power components of the printer. The prodcution process of this transformer is simple. Also it has amounts of advantages such as low power consumption, low leakage inductance, etc. Its POT-structured ferrite core has a good effect of electromagnetic shielding.

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SANHE-POT33 mainly supplies power for the printer to ensure the normal operation of various components, such as control part, drive part, interface part, transmission mechanism, etc., and provide necessary protection. Since the mechanical part of the printer is structured precisely, high stability, good output voltage accuracy, and low peak voltage and current of this transformer are required.


1.Voltage & Current Load
Output Vout
Type(V) 24
Min Load(A) 3
Max Load(A) 4
2.Operation Temp Range:
 The maximum temperature rise:65℃
4.Input Voltage Range(AC)
Min 85V 50/60Hz
Max 275V 50/60Hz

Dimensions:(Unit: mm)& Diagram



1. The ferrite core of POT structure has a good anti-interference effect
2. The extended secondary output ensures sufficient safety distance
3. Good coupling design for primary and secondary, low leakage inductance


1. Low-power design
2. Lower peak current can ensure good EMC effect
3. Low noise
4. Stable voltage output and protection voltage for chip



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