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TA0913A Microminiature Precision AC Current Transformers
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TA0913A Microminiature Precision AC Current Transformers
① Vertical through-hole, can be directly welded onto PCB.
② Compact size, high precision, and elegant design.
③ Fully encapsulated, with strong mechanical and environmental endurance, and excellent insulating capabilities.
TA0913A General Technical Specifications for Standard Products:

1.Features:

 Vertical through-hole, can be directly welded onto PCB.

 Compact size, high precision, and elegant design.

 Fully encapsulated, with strong mechanical and environmental endurance, and excellent insulating capabilities.

 

2Ambient Conditions

 Ambient temperature: -55℃+85℃;

 Relative humidity: ≤90% at 40℃;

 Atmospheric pressure: 8601060mbar(about 650800mmHg).

 

3Operating Frequency Range:20Hz~20kHz                                       

 

4Insulation Thermal ClassClass B (130)

 

5Safety Features:

① Insulation resistance: >1000MΩ in normal condition;

② Insulation withstand voltages: 6KV 50Hz/1min;

③ Fire retardancy: In conformity with UL94-V0.

 

6Outline Drawing, Installation Dimension, and Coil Diagram: ( tolerance ± 0.5mm

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7.Typical Application and Technical Parameters:

The parameters are listed in Table 1 while the sampling voltage is obtained directly by using a resistor (as shown in Fig.3).

The parameters are listed in Table 2 while the sampling voltage is obtained by using an IC (as shown in Fig.4)

Table 1

Model

Rated

Input Current

Rated

Output Current

Rated

Sampling Resistance

Rated

Sampling Voltage

Phase Shift

Non-linearity

Linear Range

Withstand

Voltage

TA0913A-1M

5A

5mA

150Ω

0.75V

≤15’

≤0.2%

≥1.5times of the rated value

≥6

TA0913A-2M

5A

2.5mA

600Ω

1.5V

≤10’

 

Table 2

Model

Rated Input Current

Rated Output Current

Rated  Sampling Voltage

Phase Shift

Non-linearity

Linear Range

Withstand

Voltage

TA0913A-1M

5A

5mA

≤1/2 IC’s power supply

≤5’

≤0.1%

≥2times of the rated value

≥6

TA0913A-2M

5A

2.5mA

 

8Attention:

 Connect the primary winding of the current transformer in series with the measured current loop, and operate the secondary winding in near short-circuit mode.

 Do not allow the secondary winding of the current transformer to be open-circuited and do not install any fuse in the secondary circuit.


Application Case
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