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Electronics Suppliers and Manufacturers

Parts, Components & Raw Materials

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Passive Components

elec

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Passive Components Suppliers and Manufacturers

Guangdong South HongMing (HK) Electronic Science & Technology Co Ltd

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 

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  

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  

NTC with UL  

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 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  

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

NTC Thermistors 

NTC Thermistor 

STANDARD ATMOSPHERIC CONDITIONS FOR MAKING MEASUREMENTS	AMBIENT TEMPERATURE : 15oC to 35oC(If there is any doubt on the results, the measurements shall be made at +20 +/- 5oC.)	RELATIVE HUMIDITY (R.H.) : 45% to 75% (If there is any doubt on the results, the measurements shall be made at 60% to 70%.)	AIR PRESSURE : 86 kpa to 106 kpa.	OPERATING TEMPERATURE RANGE : -40oC to +105oC for which the capacitor can be operated continuously at rated voltage.ELECTRICAL CHARACTERISTICS	Withstand Voltage (TV) :Between Terminals, Apply 150% of rated voltage for 60 sec., or 175% of rated voltage for 1~5 sec. at +20 +/- 5oC.The charging current must be &lt;= 1 Amp.Between Terminals &amp; Enclosure, Apply 200% of rated voltage for 2 to 5 sec.	Insulation Resistance (I.R.) : &gt;= 7,500 MOhm (C &lt;= 0.33 uF), &gt;= 2,500 MOhm*uF/C (C &gt; 0.33 uF) Apply Vt +/- 15% for 60 +/- 5 sec. at +20 +/- 5oC. Vt = 50 VDC if rated voltage &lt;= 100 VDC; Vt = 100 VDC if 100 VDC &lt; rated voltage &lt;= 500 VDC; Vt = 500 VDC if rated voltage &gt; 500 VDC.	Capacitance (CAP) : Within the tolerance specified. (at +20 +/- 5oC).	Measuring Frequency : 1 KHz +/- 10%.Measuring Voltage : &lt;= 1 Vrms.max.	Dissipation Factor (DF) : &lt;= 0.010 (1.0%) at 1 KHz. Measuring Frequency : 1KHz+/- 10% Measuring Voltage : &lt;= 1 Vrms.max.	Connection of Element : Shall be no open nor short-circuiting. The connection shall be stable. DF shall be &lt;= 0.010 (1.0%) at 1 KHz. Apply 200% of rated voltage for 10 times.	Solderability : More than 90% of circumferential surface of lead wire shall be covered with new solder.	Testing method per IEC 68-2-20 Ta. Soldering temperature : +260 +/- 5oC.	Immersion duration : 2 +/- 0.5 secs

Metal Film CapacitorMPP105J2W190611600

 STANDARD ATMOSPHERIC CONDITIONS FOR MAKING MEASUREMENTS  	 AMBIENT TEMPERATURE : 15oC to 35oC(If there is any doubt on the results, the measurements shall be made at +20 +/- 5oC.) 	 RELATIVE HUMIDITY (R.H.) : 45% to 75% (If there is any doubt on the results, the measurements shall be made at 60% to 70%.) 	 AIR PRESSURE : &nbsp;86 kpa to 106 kpa. 	 OPERATING TEMPERATURE RANGE : -40oC to +105oC for which the capacitor can be operated continuously at rated voltage.    ELECTRICAL CHARACTERISTICS   	 Withstand Voltage (TV) :&nbsp;&nbsp;Between Terminals, Apply 150% of rated voltage for 60 sec., or 175% of rated voltage for 1~5 sec. at +20 +/- 5oC.The charging current must be &lt;= 1 Amp.&nbsp;Between Terminals &amp; Enclosure, Apply 200% of rated voltage for 2 to 5 sec. 	 Insulation Resistance (I.R.) : &gt;= 7,500 MOhm (C &lt;= 0.33 uF), &nbsp;&gt;= 2,500 MOhm*uF/C (C &gt; 0.33 uF) Apply Vt +/- 15% for 60 +/- 5 sec. at +20 +/- 5oC. Vt = 50 VDC if rated voltage &lt;= 100 VDC; Vt = 100 VDC if 100 VDC &lt; rated voltage &lt;= 500 VDC; Vt = 500 VDC if rated voltage &gt; 500 VDC. 	 Capacitance (CAP) : Within the tolerance specified. (at +20 +/- 5oC).&nbsp; 	 Measuring Frequency : 1 KHz +/- 10%.Measuring Voltage : &lt;= 1 Vrms.max. 	 Dissipation Factor (DF) : &lt;= 0.010 (1.0%) at 1 KHz. Measuring Frequency : 1KHz+/- 10% Measuring Voltage : &lt;= 1 Vrms.max. 	 Connection of Element : Shall be no open nor short-circuiting. The connection shall be stable. DF shall be &lt;= 0.010 (1.0%) at 1 KHz. Apply 200% of rated voltage for 10 times. 	 Solderability : More than 90% of circumferential surface of lead wire shall be covered with new solder. 	 Testing method per IEC 68-2-20 Ta. Soldering temperature : +260 +/- 5oC. 	 Immersion duration : 2 +/- 0.5 secs    

Metallized Polyester Film Capacitor

Metal Film Capacitor

Metal Capacitor

Film Capacitor

KWAN DA ELECTRONIC (HK) LIMITED

ITEM  PERFORMANCE  Title  PLASTIC PUSH SWITCH  Model PS22F02sealed  Rating  0.3A 50V DC  Function  2P2T  Timing  NON-Shorting  ContactResistance(mohms)  30mΩMax  Insulation Resistanc(Mohms)  100mΩMin  Dielectric Strength(V)  500V AC  LifeTest  10000 Cycles 

button switch dust-proof type(PS22F02sealed)

ITEM  PERFORMANCE  Title  PUSH SWITCH  Model  PS42F08/PS42F09  Rating  0.3A 50V DC  Function  4P2T  Timing  NON-Shorting  ContactResistance(mohms)  30mΩMax  Insulation Resistanc(Mohms)  100mΩMin  Dielectric Strength(V)  500V AC  LifeTest  10000 Cycles 

PUSH SWITCH(PS42F08A)

ITEM  PERFORMANCE  Title  PLASTIC PUSH SWITCH  Model  PS22F76  Rating  0.3A 50V DC  Function  2P2T  Timing  NON-Shorting  ContactResistance(mohms)  30mΩMax  Insulation Resistanc(Mohms)  100mΩMin  Dielectric Strength(V)  500V AC  LifeTest  10000 Cycles 

PUSH SWITCH(PS22F76)

ITEM  PERFORMANCE  Title  HORIZONTAL SLIDE SWICH  Model  SK12D47  Rating  0.3A 30V DC  Function  1P2T  Timing   ContactResistance(mohms)  Ω max  Insulation Resistanc(Mohms)  100MΩ min at 500V DC  Dielectric Strength(V)  AC 500Vfor 1 min  LifeTest  

HORIZONTAL SLIDE SWICH(SK12D47)

Title VERTICAL SLIDE SWITCH  Model SS24H01-DAC5  Rating  0.3A50V DC  Function  2P4T  Timing SHORTING  ContactResistance(mohms)  30mΩMax  Insulation Resistanc(Mohms)  100MΩ for 500V 1 min  Dielectric Strength(V)  500V AC for 1 min  LifeTest  100,000 Cycles 

VERTICAL SLIDE SWITCH(SS24H01-DAC5)

Title  VERTICAL SLIDE SWICH  Model  SS13D03-VGC4 C  Rating  0.3A 50V DC  Function  1P3T  Timing  Non-Shorting  ContactResistance(mohms)  30mΩ max  Insulation Resistanc(Mohms)  100MΩ min at 500V DC  Dielectric Strength(V)  AC 500Vfor 1 min  LifeTest  16000 Cycles 

VERTICAL SLIDE SWICH(SS13D03)

ITEM  PERFORMANCE  Title  HOOK SWITCH  Model  HS-22L02  Rating  0.2A50VDC  Function  2P2T  Timing  NON-SHORTING  ContactResistance(mohms)  200mΩ max  Insulation Resistanc(Mohms)  100mΩ min at 500V DC  Dielectric Strength(V)  AC 500V for 1 min  LifeTest  100,000 Cycles 

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