Introduction to the symbol of the pressure - seitive resistor_tage electronic-Professional production of TVS tube, self recovery fuse, patch fuses manufacturer
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Introduction to the symbol of the pressure - sensitive resistor
Publish:Shenzhen Tergy Technology Co., Ltd.  Time:2016-09-28
The detailed explanation of symbols introduced varistor varistor from electronic symbols in this small series for the majority of engineers and other friends, let us more in-depth understanding of the varistor symbol comprehension ability.
Introduction to the symbol of the pressure - sensitive resistor:
The main parameters of varistor with nominal voltage, voltage ratio, maximum control voltage and residual voltage ratio, flow capacity, leakage current, voltage, temperature coefficient, temperature coefficient, current voltage nonlinear coefficient, insulation resistance, static capacitance etc..
1 nominal voltage is defined as the nominal voltage through the 1mA DC current, the voltage value of the voltage at both ends of the voltage sensitive resistor.
2 voltage ratio is the ratio of the voltage value generated when the current of the voltage sensitive resistor is 1mA and the voltage value of the voltage value and the current of the voltage sensitive resistor is 0.1mA.
3 maximum limit voltage maximum limit voltage is the maximum voltage value that can bear the voltage of both ends of the voltage sensitive resistor.
4 residual pressure than the current flow through the pressure sensitive resistor to a value, at both ends of the voltage generated by the current value is called residual pressure. Ratio of residual pressure and nominal voltage.
Graphical symbols and shapes for pressure - sensitive resistors
Figure: figure symbol and shape (a) shape of the pressure sensitive resistor (b)
5 flow capacity through flow capacity or flow rate, is refers to the prescribed conditions (the impact of current applied standard to the time interval and the number of the provisions), allow the varistor the maximum pulse current value (peak).
6 leakage current and the waiting current, is the pressure sensitive resistor in the specified temperature and maximum DC voltage, flow through the current.
7 voltage temperature coefficient voltage temperature coefficient refers to the specified temperature range (temperature 20 to 70 degrees Celsius), changes in the nominal voltage of the varistor is kept constant at the current rate, the pressure sensitive resistor, temperature change at 1 DEG relative change of the two ends of the varistor.
8 current temperature coefficient current temperature coefficient is defined as the voltage at both ends of the pressure sensitive resistor to keep constant, the temperature changes 1 degrees Celsius, flow through the pressure sensitive resistor current relative changes.
9 voltage nonlinear factor is the ratio of the static resistance and dynamic resistance of the voltage sensitive resistor under the given external voltage.
10 insulation resistance is the resistance of the lead wire (PIN) of the voltage sensitive resistor and the resistance value between the insulation surface of the resistor.
11 static capacitance is the capacitance of the capacitor, which is the inherent capacitance of the voltage sensitive resistor.
After the reading of the symbols of the above - mentioned pressure - sensitive resistors is completed, is it more sensitive to the feeling of the pressure - sensitive resistors? From the electronic small thank you for reading this!
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