Name: r001
Sort: varistor resistors

1.Applications:
•transistor,diode,IC,thyristor and trial,semi conductor switeh elecment and kinds of electronic equipuent protection
•Surge absoption in house-hold appliance,industrial electronies,relay and electro magnetic valva.
•Electrostaitc discharge noise spike suppression
•Leakage-protection switch over-voltage protection
•Thunderbolt and over-voltage protection on such telecommunication apparatus as telephone,miles-control exchanger at so on.

2.Features and technological characteristics:
•small figure,large capacitarce and energy
•Security working,operating easilyethoxyline resin-envenloped
•response time:<25ns
•using ambiend temperature:-40oC~+85oC
•using ambiend temperature:=500MO
•insulation resistance:-0.5%/oC
•temperature coefficience of varistor voltage:-0.5%/oC
chip diameter::5.7.10.14.20.25.32.40mm
•allowable tolerance of varistor voltage:K±10%
varistor resistor
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Name: r002
Sort: ntc thermistor resistors

1.Introduction
An NTC thermistor has to be connected in series to the power source circuit to avoid the surge current at the instant when the electronic circuits are turned on. The device can effectively suppress the surge current, and its resistance and power consumption can be greatly reduced after that through the continuous effect of the current so as not to affect the normal work current. Therefore the Power NTC thermistor is the most convenient and efficient instrument to curb the surge current and protect the electronic devices from being damaged.

2. Applications
Applicable to the protection of the power circuits of conversion power supply, switching power supply, UPS power supply, electric heaters, electronic energy-saving lamps, electronic ballasts and other electronic devices, and the filament protection of color picture tubes, incandescent lamps and other lights.

3.Characteristics:
•Small size,Strong power and strong capability of surge current protection.
•Characteristics Fast response to the rapidly surge.
•Big material constant(B value),Small remain resistance.
•Longevity of service,High reliability.
•Integral series,Extensive operating range.
ntc thermistor resistor
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Name: r004
Sort: ptc thermistor resistors

1. Applications:
It can be applied in the electronic ballast of kinds of fluorescent lamps and electronic energy-saving lamps.No necessity to modify the circuitry.If proper thermistor is parallel connected on the two ends of resonant capacitor of lamps,cold startup of electronic ballast and electronic energy-saving lamps will turn into the Preheatstartup which can make the Preheatingtime reach 0.4-2S and extend the life of service to three times of the primary.

2. Characteristics:
Execution utilizing the characteristic of PTC material,Small size of product,High voltage resistance,Longevity of service,Low power when normally working.

3. Application principal:
Preheatstartup principium of PTC thermistor is showed in following chart:At initial moment of turning on the switch,Rt is on normal temperature state,its resistance is far below that of C2,and the current passes through C1 and Rt and comes into being loop warming up the Filamnet,About 0.4-2s later,the temperature of Rt exceeds courier temperature Tc and jumps into the state of high resistance far over that of C2,and the current passes through C1,C2,comes into being loop and results in LC resonance which generates high voltage to light the lamps.

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Name: r003
Sort: ntc thermistor resistor

1. Applications:
Applicable to the surge current suppression of the conversion power supply, switching power supply, UPS power supply, large power lights and electric heaters.

2. Features:
This type NTC thermistor is processed with high purity materials and special techniques, and it can work continously under high steady current. It is one of the power NTC thermistors that have the best surge current suppression capability and the highest workable steady current.

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Name: r005
Sort: ptc thermistor resistor

1. Applications:
MZ11B PTC thermistor series is mainly applied in the zero-temperature-rise and zero-consumption preheat startup of high-performance ballasts and energy-saving lamps.

2.Principal:
MZ11 B series PTC thermister is a kind of compound element which Rt of PTC thermistor is in series of Rv of varistor.when turn on the switch,voltage is higher than Rv's varistor voltage,Rv is in conduction state,it's proceed of preheating startup is basically independent completed by Rt,the startup spot of lamp pipe is in normal operating state,voltage declines below the Rv's varistor voltage,Rv is on break-open state,then make zero power-consumption and zero temperature-up comes true.
Selection of M2 11B series is basically familiar with MZ11A series.there lies one difference Namely,Rv's varistor voltage should be slightly higher than lamp pipe's voltage.
ptc thermistor resistors
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