1. An approach is made on grinding process for varistor and a new dual surface grinding process with through feeding and continuous grinding is proposed.

2. For detecting the state of varistor, an live detection device used in SPD detection is developed, which solves the automatic detecting problem about SPD detection on-line.

3. A new equivalent circuit for the metal oxide varistor (MOV) in a low current region and a method of predicting its dynamic parameters are presented.

4. Surface mount varistor. Nickel barrier. Max continuous working voltage 9VDC, 6.5VAC. 7in diameter reel.

5. As the current through the varistor all the resistance wire, so A, B are any two points between the electrical potential difference.

6. The novel features of the invention is a varistor that is connected in parallel with the capacitor.

7. The equivalent model of varistor is established and the response characteristics of the electromagnetic of the simulations of varistors are tested.

8. The SFI Varistor and its reliable protect the electronic systems from over voltages by limiting surge voltages and by absorbing energy.

9. A surge protector or simple capacitor or varistor can protect against most overvoltage conditions, while a lightning arrestor protects against severe spikes.

10. Varistor is the resistance of a semiconductor material, so it is a variety of semiconductor resistor.

11. Partial Pressure Connection: The varistor of the two fixed end of the bipolar power supply, respectively connected by a sliding side and either a fixed terminal connected to the circuit.

12. At the secondary side of the transformer there is a varistor and Zener diodes which act to stepwise reduce the surge pulse.

13. The effect of SnO _ 2 dosing on performance of SrTiO - 3 doughnut - shaped varistor is presented.

14. The results of Energy Spectra show that acceptors Sr are mainly segregated in the grain boundary, which greatly contribute to the form of varistor barrier.

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15. In fact, the loading on a typical installation can be many times higher than the disge capacity of a typical varistor type arrester.

16. A grain - boundary defect barrier model of SnO 2· Co 2 O 3· Sb 2 O 3 varistor was also introduced.

17. Product quality is stable, reliable performance, is the domestic first-class ring varistor manufacturers.

18. The double Stocky energy barrier is the indispensable factor for non-linear character of ZnO varistor.

19. Finally, a practical calculation example of clamping the voltage of low voltage power line under the surge and effusion surge current by metal oxide varistor is given.

20. Applying QSPM matrix analysis, to get the strategy of "Peel off low voltage and semi-conductor ceramic capacitor, develop new type varistor and new type military components".

21. If the pulses are of the same polarity, the I-V curve of varistor will become asymmetric, i. e. , the positive degradation is less than the negative degradation.