TV1012 Microminiature Precision AC Voltage Transformer - Beijing TransFar Electronics Group Co., Ltd

1．Features:

① Small size, high precision; printed circuit board directly soldered and installed, easy to use, beautiful appearance;

② Fully enclosed, good mechanical and environmental resistance, strong voltage isolation capability, safe and reliable.

2．Ambient Conditions：

① Ambient temperature: -55℃～+85℃;

② Relative humidity: ≤90% at 40℃;

③ Atmospheric pressure: 860～1060mbar(about 650～800mmHg).

3．Operating Frequency Range: 20Hz~20kHz

4．Insulation Thermal Class: Class F grade (155°C)

5．Safety Features:

① Dielectric resistance: >1000MΩ in normal condition;

② Insulation withstand voltages: 2KV 50Hz/1min;

③ Fire retardancy: In conformity with UL94-V0.

6. Outline Drawing, Installation Dimension and Coil Diagram (Figure 1) : (tolerance ± 0.5mm)

7. Typical Application and Performance Parameters:

TV1012 is a current-mode voltage transformer, the typical application is as shown in Figure 2 and Figure 3, and the performance parameters are shown in the table below.

Usage	Model	Input Voltage	Output Voltage	Phase Shift	Non-linearity	Linear Range	Rated Current	Withstand Voltage(kV)
Used as in Fig. 2	TV1012-1	≤1000Vac	≤0.5Vac	≤30'	≤0.2%	1.5 times of the rated value	2mA/2mA	≥2
Used as in Fig. 2	TV1012-1M	≤1000Vac	≤0.625Vac	≤40'	≤0.25%	1.5 times of the rated value
Used as in Fig. 3	TV1012-1	≤1000Vac	≤1/2 IC’s power supply	≤5'	≤0.1%	2 times of the rated value
Used as in Fig. 3	TV1012-1M	≤1000Vac	≤1/2 IC’s power supply	≤5'	≤0.1%	2 times of the rated value

8. Attention:

This voltage transformer model is a current-type transformer. Therefore, an open circuit is not permitted in the secondary circuit, and no fuse should be connected in the secondary circuit.