廣東南方宏明(香港)電子科技股份有限公司

Power NTC Thermistor has an excellent non-linearity characteristic for the resistance and temperature, its appliance is an easy and effective method to protect electronic device through surge current restrainning.

 Feature of Power Thermistor  	 Power NTC thermistors are in small size but with a high power that to restrain the
	Surge current. 	 Power NTC thermistors&nbsp; possess the electronic character of fast reflection, high reliability and long-life for use. 	 The material has a high constant as &ldquo;B value&rdquo; with small remained resistance. 	 Power NTC thermistors have a large application range integrate products&nbsp; series.   Rage of Application  	 Switch mode power supply,&nbsp; Adapter. 	 Transformer,&nbsp; LED driver circuit. 	 Electronic rectifier,&nbsp; electronic heater. 	 Electric&nbsp; motor. 	 It has a protected function for RT , display, lighting device and circuit of different electronic equipment.   Certificates  	 Safety Approval Certificate: UL / CUL 	 Quality management system Certificates: &nbsp;ISO9001:2008&nbsp; 	 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ISO14001:2004   Electrical Characteristics  	 Rated Zero-Power ResistanceRN (&Omega;) : 5&plusmn;20% Ambient temp. Range:25℃&plusmn;2℃(TA).
	Testing voltage: 1.5VDC
	After placing for 1~2 hours under TA, the resistance value shall be measured. 	 Thermal Dissipation Constant &delta;(mW/℃) : &ge;15 , The thermal dissipation constant(&delta;) could be calculated by the ratio of a change in power dissipation(&Delta;P) of the thermistor to a change in temperature(&Delta;T) of the thermistor at a specified ambient temperature 	 Thermal Time Constant &tau;(s) : &le;68, The time(&tau; shall be measured within which the temperature change of NTC thermistor is reached at 63.2% of the ambient temperature change under zero power condition 	 Material Constant B : 2700&plusmn;10% B=T1T2/( T2- T1) &times;Ln (R1/R2), R1 , R2 is zero-power resistance at T1 , T2
	T1 = 298.15 K(25℃)&nbsp; T2 = 323.15 K(50℃) 	 Max.Steady State Current (A) : visible mechanical damage.
	&Delta;RN&nbsp;/ RN&nbsp;&le;20% (&Delta;R =∣RN-RN&#39;∣), 25℃&plusmn;2℃Ambient temp. Range, 5.0A&nbsp; Testing Current  

Thermistors 

Varistor is a sort of sensitive component which resistance value can vary with the applied voltage, it is widely used in the instantaneous overvoltage protection and surge absorption of Electronic-electrical equipment.

    Features:    
- Great range of varistor voltage:  18V to 1.8KV 
- Fast response to transient voltage (ns)
- High great withstanding surge current
- Excellent non-linearity voltage
- Symmetric V-I characteristics
- No following-on current
- Long life

    Range of application:    
- Used in surge protection for IC, transistor, diode semiconductor switch circuit.
- Used in communication, telemetering, electrical control and various electronic equipment.
- Suppress the instantaneous overvoltage caused by electromagnetic valve and relay.
-&nbsp;Supprss the instantaneous overvoltage caused by power supply.
- Suppress the instantaneous overvoltage caused by electronic circuits
- Lightning protection for various kind of electronic appliances.

    Technical conditions:&nbsp;    
- Carry our standard of GB/T10193, GB/T10194, GB/T10195-1997 and SJ/T10348-10349.
- Measurement conditions For varistors of 05D, 07D, 10D, 14D, 20D Series, voltage across the varistor measured under 1 m A DC.
- Varistor voltage: The voltage between two terminals with the specified measuring current applied is expressed by letter V.
- Maximum continuous operating voltage: The maximum sinusoidal RMS voltage or maximum Dc voltage that can be applied continuously in the specified environmental temperature range.
- Working ambient temperature: -40C ~ +85C&nbsp;
- Storage temperature range: -40C ~ +125C

Varistor

Power NTC Thermistor has an excellent non-linearity characteristic for the resistance and temperature, its appliance is an easy and effective method to protect electronic device through surge current restraining.

 Feature of Power Thermistor  	 Power NTC thermistors are in small size but with a high power that to restrain the
	Surge current. 	 Power NTC thermistors possess the electronic character of fast reflection, high reliability and long-life for use. 	 The material has a high constant as &ldquo;B value&rdquo; with small remained resistance. 	 Power NTC thermistors have a large application range integrate products series.   Rage of Application  	 Switch mode power supply, Adapter. 	 Transformer, LED driver circuit. 	 Electronic rectifier, electronic heater. 	 Electric motor. 	 It has a protected function for RT, display, lighting device and circuit of different electronic equipment.   Certificates  	 Safety Approval Certificate: UL / CUL 	 Quality management system Certificates: ISO9001:2008&nbsp; 	 ISO14001:2004   Electrical Characteristics  	 Rated Zero-Power ResistanceRN (&Omega;): 5&plusmn;20% Ambient temp. Range: 25℃&plusmn;2℃(TA).
	Testing voltage: 1.5VDC
	After placing for 1~2 hours under TA, the resistance value shall be measured. 	 Thermal Dissipation Constant &delta;(mW/℃) : &ge;15 , The thermal dissipation constant(&delta;) could be calculated by the ratio of a change in power dissipation(&Delta;P) of the thermistor to a change in temperature(&Delta;T) of the thermistor at a specified ambient temperature 	 Thermal Time Constant &tau;(s) : &le;68, The time(&tau; shall be measured within which the temperature change of NTC thermistor is reached at 63.2% of the ambient temperature change under zero power condition 	 Material Constant B : 2700&plusmn;10% B=T1T2/( T2- T1) &times;Ln (R1/R2), R1 , R2 is zero-power resistance at T1 , T2
	T1 = 298.15 K(25℃)&nbsp; T2 = 323.15 K(50℃) 	 Max.Steady State Current (A): visible mechanical damage.
	&Delta;RN&nbsp;/ RN&nbsp;&le;20% (&Delta;R =∣RN-RN&#39;∣), 25℃&plusmn;2℃Ambient temp. Range, 5.0A Testing Current  

NTC  

Power NTC Thermistor has an excellent non-linearity characteristic for the resistance and temperature, its appliance is an easy and effective method to protect electronic device through surge current restraining.

 Feature of Power Thermistor  	 Power NTC thermistors are in small size but with a high power that to restrain the
	Surge current. 	 Power NTC thermistors possess the electronic character of fast reflection, high reliability and long-life for use. 	 The material has a high constant as &ldquo;B value&rdquo; with small remained resistance. 	 Power NTC thermistors have a large application range integrate products series.   Rage of Application  	 Switch mode power supply, Adapter. 	 Transformer, LED driver circuit. 	 Electronic rectifier, electronic heater. 	 Electric motor. 	 It has a protected function for RT, display, lighting device and circuit of different electronic equipment.   Certificates  	 Safety Approval Certificate: UL / CUL 	 Quality management system Certificates: ISO9001:2008&nbsp; 	 ISO14001:2004   Electrical Characteristics  	 Rated Zero-Power ResistanceRN (&Omega;): 5&plusmn;20% Ambient temp. Range: 25℃&plusmn;2℃(TA).
	Testing voltage: 1.5VDC
	After placing for 1~2 hours under TA, the resistance value shall be measured. 	 Thermal Dissipation Constant &delta;(mW/℃): &ge;15 , The thermal dissipation constant(&delta;) could be calculated by the ratio of a change in power dissipation(&Delta;P) of the thermistor to a change in temperature(&Delta;T) of the thermistor at a specified ambient temperature 	 Thermal Time Constant &tau;(s): &le;68, The time(&tau; shall be measured within which the temperature change of NTC thermistor is reached at 63.2% of the ambient temperature change under zero power condition 	 Material Constant B: 2700&plusmn;10% B=T1T2/( T2- T1) &times;Ln (R1/R2), R1, R2 is zero-power resistance at T1, T2
	T1 = 298.15 K(25℃)&nbsp; T2 = 323.15 K(50℃) 	 Max.Steady State Current (A): visible mechanical damage.
	&Delta;RN&nbsp;/ RN&nbsp;&le;20% (&Delta;R =∣RN-RN&#39;∣), 25℃&plusmn;2℃Ambient temp. Range, 5.0A&nbsp; Testing Current  

2.5D NTC Thermistor  

 	 Varistor is a sort of sensitive component which resistance value can vary with the applied voltage, it is widely used in the instantaneous overvoltage protection and surge absorption of Electronic-electrical equipment.      Features:     	 Great range of varistor voltage:  18V to 1.8KV  	 Fast response to transient voltage (ns) 	 High great withstanding surge current 	 Excellent non-linearity voltage 	 Symmetric V-I characteristics 	 No following-on current 	 Long life      Range of application:     	 Used in surge protection for IC, transistor, diode semiconductor switch circuit. 	 Used in communication, telemetering, electrical control and various electronic equipment. 	 Suppress the instantaneous overvoltage caused by electromagnetic valve and relay. 	 Supprss the instantaneous overvoltage caused by power supply. 	 Suppress the instantaneous overvoltage caused by electronic circuits 	 Lightning protection for various kind of electronic appliances.      Technical conditions:&nbsp;     	 Carry our standard of GB/T10193, GB/T10194, GB/T10195-1997 and SJ/T10348-10349. 	 Measurement conditions For varistors of 05D, 07D, 10D, 14D, 20D Series, voltage across the varistor measured under 1 m A DC. 	 Varistor voltage: The voltage between two terminals with the specified measuring current applied is expressed by letter V. 	 Maximum continuous operating voltage: The maximum sinusoidal RMS voltage or maximum DC voltage that can be applied continuously in the specified environmental temperature range. 	 Working ambient temperature: -40C ~ +85C&nbsp; 	 Storage temperature range: -40C ~ +125C  

MOV Varistor

Power NTC Thermistor has an excellent non-linearity characteristic for the resistance and temperature, its appliance is an easy and effective method to protect electronic device through surge current restrainning.

 Feature of Power Thermistor  	 Power NTC thermistors are in small size but with a high power that to restrain the
	Surge current. 	 Power NTC thermistors&nbsp; possess the electronic character of fast reflection, high reliability and long-life for use. 	 The material has a high constant as &ldquo;B value&rdquo; with small remained resistance. 	 Power NTC thermistors have a large application range integrate products&nbsp; series.   Rage of Application  	 Switch mode power supply,&nbsp; Adapter. 	 Transformer,&nbsp; LED driver circuit. 	 Electronic rectifier,&nbsp; electronic heater. 	 Electric&nbsp; motor. 	 It has a protected function for RT , display, lighting device and circuit of different electronic equipment.   Certificates  	 Safety Approval Certificate: UL / CUL 	 Quality management system Certificates: &nbsp;ISO9001:2008&nbsp; 	 ISO14001:2004   Electrical Characteristics  	 Rated Zero-Power ResistanceRN (&Omega;) : 5&plusmn;20% Ambient temp. Range:25℃&plusmn;2℃(TA).
	Testing voltage: 1.5VDC
	After placing for 1~2 hours under TA, the resistance value shall be measured. 	 Thermal Dissipation Constant &delta;(mW/℃) : &ge;15 , The thermal dissipation constant(&delta;) could be calculated by the ratio of a change in power dissipation(&Delta;P) of the thermistor to a change in temperature(&Delta;T) of the thermistor at a specified ambient temperature 	 Thermal Time Constant &tau;(s) : &le;68, The time(&tau; shall be measured within which the temperature change of NTC thermistor is reached at 63.2% of the ambient temperature change under zero power condition 	 Material Constant B : 2700&plusmn;10% B=T1T2/( T2- T1) &times;Ln (R1/R2), R1 , R2 is zero-power resistance at T1 , T2
	T1 = 298.15 K(25℃)&nbsp; T2 = 323.15 K(50℃) 	 Max.Steady State Current (A) : visible mechanical damage.
	&Delta;RN&nbsp;/ RN&nbsp;&le;20% (&Delta;R =∣RN-RN&#39;∣), 25℃&plusmn;2℃Ambient temp. Range, 5.0A&nbsp; Testing Current  

Power NTC 22D-11  

NTC with UL  

 	 Varistor is a sort of sensitive component which resistance value can vary with the applied voltage, it is widely used in the instantaneous overvoltage protection and surge absorption of Electronic-electrical equipment.      Recognized Certificate     	 VDE, UL, CQC      Features:     	 Great range of varistor voltage:  18V to 1.8KV  	 Fast response to transient voltage (ns) 	 High great withstanding surge current 	 Excellent non-linearity voltage 	 Symmetric V-I characteristics 	 No following-on current 	 Long life      Range of application:     	 Used in surge protection for IC, transistor, diode semiconductor switch circuit. 	 Used in communication, telemetering, electrical control and various electronic equipment. 	 Suppress the instantaneous overvoltage caused by electromagnetic valve and relay. 	 Suppress the instantaneous overvoltage caused by power supply. 	 Suppress the instantaneous overvoltage caused by electronic circuits 	 Lightning protection for various kind of electronic appliances.      Technical conditions:&nbsp;     	 Carry our standard of GB/T10193, GB/T10194, GB/T10195-1997 and SJ/T10348-10349. 	 Measurement conditions For varistors of 05D, 07D, 10D, 14D, 20D Series, voltage across the varistor measured under 1 m A DC. 	 Varistor voltage: The voltage between two terminals with the specified measuring current applied is expressed by letter V. 	 Maximum continuous operating voltage: The maximum sinusoidal RMS voltage or maximum Dc voltage that can be applied continuously in the specified environmental temperature range. 	 Working ambient temperature: -40C ~ +85C&nbsp; 	 Storage temperature range: -40C ~ +125C  

Varistor Mov Φ10d

Power NTC  

Power NTC Thermistor has an excellent non-linearity characteristic for the resistance and temperature, its appliance is an easy and effective method to protect electronic device through surge current restraining.

 Feature of Power Thermistor  	 Power NTC thermistors are in small size but with a high power that to restrain the Surge current. 	 Power NTC thermistors&nbsp; possess the electronic character of fast reflection, high reliability and long-life for use. 	 The material has a high constant as &ldquo;B value&rdquo; with small remained resistance. 	 Power NTC thermistors have a large application range integrate products&nbsp; series.   Rage of Application  	 Switch mode power supply, Adapter. 	 Transformer, LED driver circuit. 	 Electronic rectifier, electronic heater. 	 Electric motor. 	 It has a protected function for RT, display, lighting device and circuit of different electronic equipment.   Certificates  	 Safety Approval Certificate: UL / CUL 	 Quality management system Certificates: &nbsp;ISO9001:2008&nbsp; 	 ISO14001:2004   Electrical Characteristics  	 Rated Zero-Power ResistanceRN (&Omega;) : 5&plusmn;20% Ambient temp. Range:25℃&plusmn;2℃(TA).
	Testing voltage: 1.5VDC
	After placing for 1~2 hours under TA, the resistance value shall be measured. 	 Thermal Dissipation Constant &delta;(mW/℃) : &ge;15 , The thermal dissipation constant(&delta;) could be calculated by the ratio of a change in power dissipation(&Delta;P) of the thermistor to a change in temperature(&Delta;T) of the thermistor at a specified ambient temperature 	 Thermal Time Constant &tau;(s) : &le;68, The time(&tau; shall be measured within which the temperature change of NTC thermistor is reached at 63.2% of the ambient temperature change under zero power condition 	 Material Constant B : 2700&plusmn;10% B=T1T2/( T2- T1) &times;Ln (R1/R2), R1 , R2 is zero-power resistance at T1 , T2
	T1 = 298.15 K(25℃)&nbsp; T2 = 323.15 K(50℃) 	 Max.Steady State Current (A) : visible mechanical damage.
	&Delta;RN&nbsp;/ RN&nbsp;&le;20% (&Delta;R =∣RN-RN&#39;∣), 25℃&plusmn;2℃Ambient temp. Range, 5.0A&nbsp; Testing Current  

Power NTC Thermistor

Power NTC Thermistor has an excellent non-linearity characteristic for the resistance and temperature, its appliance is an easy and effective method to protect electronic device through surge current restraining.

 Feature of Power Thermistor  	 Power NTC thermistors are in small size but with a high power that to restrain the Surge current. 	 Power NTC thermistors possess the electronic character of fast reflection, high reliability and long-life for use. 	 The material has a high constant as &ldquo;B value&rdquo; with small remained resistance. 	 Power NTC thermistors have a large application range integrate products&nbsp; series.   Rage of Application  	 Switch mode power supply,&nbsp; Adapter. 	 Transformer, LED driver circuit. 	 Electronic rectifier, electronic heater. 	 Electric motor. 	 It has a protected function for RT, display, lighting device and circuit of different electronic equipment.   Certificates  	 Safety Approval Certificate: UL / CUL 	 Quality management system Certificates: &nbsp;ISO9001:2008&nbsp; 	 ISO14001:2004   Electrical Characteristics  	 Rated Zero-Power ResistanceRN (&Omega;) : 5&plusmn;20% Ambient temp. Range:25℃&plusmn;2℃(TA).
	Testing voltage: 1.5VDC
	After placing for 1~2 hours under TA, the resistance value shall be measured. 	 Thermal Dissipation Constant &delta;(mW/℃) : &ge;15, The thermal dissipation constant(&delta;) could be calculated by the ratio of a change in power dissipation(&Delta;P) of the thermistor to a change in temperature(&Delta;T) of the thermistor at a specified ambient temperature 	 Thermal Time Constant &tau;(s) : &le;68, The time(&tau; shall be measured within which the temperature change of NTC thermistor is reached at 63.2% of the ambient temperature change under zero power condition 	 Material Constant B : 2700&plusmn;10% B=T1T2/( T2- T1) &times;Ln (R1/R2), R1 , R2 is zero-power resistance at T1 , T2
	T1 = 298.15 K(25℃)&nbsp; T2 = 323.15 K(50℃) 	 Max.Steady State Current (A) : visible mechanical damage.
	&Delta;RN&nbsp;/ RN&nbsp;&le;20% (&Delta;R =∣RN-RN&#39;∣), 25℃&plusmn;2℃Ambient temp. Range, 5.0A&nbsp; Testing Current  

NTC 5D

Varistor Taping Type

 	 Varistor is a sort of sensitive component which resistance value can vary with the applied voltage, it is widely used in the instantaneous overvoltage protection and surge absorption of Electronic-electrical equipment.      Features:     	 Great range of varistor voltage:  18V to 1.8KV  	 Fast response to transient voltage (ns) 	 High great withstanding surge current 	 Excellent non-linearity voltage 	 Symmetric V-I characteristics 	 No following-on current 	 Long life      Range of application:     	 Used in surge protection for IC, transistor, diode semiconductor switch circuit. 	 Used in communication, telemetering, electrical control and various electronic equipment. 	 Suppress the instantaneous overvoltage caused by electromagnetic valve and relay. 	 Suppress the instantaneous overvoltage caused by power supply. 	 Suppress the instantaneous overvoltage caused by electronic circuits 	 Lightning protection for various kind of electronic appliances.      Technical conditions:&nbsp;     	 Carry our standard of GB/T10193, GB/T10194, GB/T10195-1997 and SJ/T10348-10349. 	 Measurement conditions For varistors of 05D, 07D, 10D, 14D, 20D Series, voltage across the varistor measured under 1 m A DC. 	 Varistor voltage: The voltage between two terminals with the specified measuring current applied is expressed by letter V. 	 Maximum continuous operating voltage: The maximum sinusoidal RMS voltage or maximum DC voltage that can be applied continuously in the specified environmental temperature range. 	 Working ambient temperature: -40C ~ +85C&nbsp; 	 Storage temperature range: -40C ~ +125C  

MOV Varistor Dipped

NTC Thermistor 

Varistor is a sort of sensitive component which resistance value can vary with the applied voltage, it is widely used in the instantaneous overvoltage protection and surge absorption of Electronic-electrical equipment.

    Features:    
- Great range of varistor voltage:  18V to 1.8KV 
- Fast response to transient voltage (ns)
- High great withstanding surge current
- Excellent non-linearity voltage
- Symmetric V-I characteristics
- No following-on current
- Long life

    Range of application:    
- Used in surge protection for IC, transistor, diode semiconductor switch circuit.
- Used in communication, telemetering, electrical control and various electronic equipment.
- Suppress the instantaneous overvoltage caused by electromagnetic valve and relay.
-&nbsp;Supprss the instantaneous overvoltage caused by power supply.
- Suppress the instantaneous overvoltage caused by electronic circuits
- Lightning protection for various kind of electronic appliances.

    Technical conditions:&nbsp;    
- Carry our standard of GB/T10193, GB/T10194, GB/T10195-1997 and SJ/T10348-10349.
- Measurement conditions For varistors of 05D, 07D, 10D, 14D, 20D Series, voltage across the varistor measured under 1 m A DC.
- Varistor voltage: The voltage between two terminals with the specified measuring current applied is expressed by letter V.
- Maximum continuous operating voltage: The maximum sinusoidal RMS voltage or maximum DC voltage that can be applied continuously in the specified environmental temperature range.
- Working ambient temperature: -40C ~ +85C&nbsp;
- Storage temperature range: -40C ~ +125C

This varistor is a type of metal-oxide varistor (MOV). The boundary between the zinc oxide grains and the neighboring composition forms a diode junction that allows current to flow from one direction only. The diameter of the varistor is customizable upon requests.	Wide applications.	Available in various designs.

Zinc Oxide Varistor

NTC Thermistors 

Key Specifications/ Special Features:1KV ~ 6KV Chip single layer ceramic capacitor HIGH VOLTAGE CHIP CERAMIC CAPACITORSHigh reliability with resin molded constructionHigh reliability with disc capacitor elementHigh moisture proof function and applicabilityApplied to SMT productionWide rated voltage range 1 to 6KVDetailed specification will be provided against inquiry.APPLICATION Back lighting inverterSnubbercircuit of switching power supplyVarious high voltage electronic circuit Specification Temperature characteristics : NPO, SL, Y5P, Y5U, Y5VRated voltage : 1KVDC 2KVDC 3KBDC 4KVDC 5KVDC 6KVDCCapacitance : 10pF ~ 6800pFCapacitance tolerance : +-5% +-10% +-20% -20%~80%

SMD high voltage ceramic capacitor Y1 400V 471

Power NTC thermistor has an excellent non-linearity chanracteristic for the resistance and temperature, its appliance is an easy and effective method to protect electronic device through surge current restraining.

(Clone) NTC  2.5D-15

DRM309D13ML837GA0

Q-Nitto Hong Kong Limited

Chip Resistors  Model No. : CRCW080510K0FKEAHP Spec : RES, THICK FILM, 10K, 1%, 0.33W, 0805; R Brand : VISHAY MOQ : 10pcs+ Other information : RoHs Lead Time : 15-30 day 

Chip Resistors (CRCW080510K0FKEAHP)

Chip Resistors   Model No. : CRCW08051M00FKEAHP Spec : RES, 1M, 1%, 0.5W, 0805, THICK FILM Brand : VISHAY MOQ : 10pcs+ Other information : RoHs Lead Time : 15-30 day 

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