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Ptc Thermistor For Time Delay Starting Of Lighting And Ballast Mz11 Series
Posted at: Offers to Sell and Export | Posted on: Friday 27 July 2012 11:23 am | Poster last visit: Sunday 7 April 2013 |
Product Category: Main
» Electronic Components and Supplies
» Passive discrete components
» Resistors
» Thermistor
» Ptc Thermistor For Time Delay Starting Of Lighting And Ballast Mz11 Series
Product Description:
Brief Introduction:
PTC thermistor for time delay of lighting&ballast, which are applicable to various
types of fluorescent lamp, electronic ballast, electronic energy-saving lamp and digital multi-meters.it can change hard stard of the ballast and electronic energy-saving lamp to pre-heated stard and preheating time of the filament can come up to 0.4-2.0 seconds, which can greatly prolong service life of the fluorescent tube by over 4 times.
Product Application:
1. Various types of fluorescent lamp
2. Electronic ballast
3. electronic energy-saving lamp
Working principle:
When the high frequency shaking circuit loop is switched on, because PTC is in normal temperature state and Rt is in a low state, its resistance value is far lower than C2 resistance, the light pressure is also smaller than that of starting it. Then the current through C1, Rt forms a return circuit to preheat the filament. Meanwhile, PTC Thermistor is heated to above the Curie temperature, Rt heating temperature exceeding the switch temperature TSW. After around 0.4-2 seconds, Rt skips into high resistance state of far higher than C2 resistance.And the current goes through C1, C2 forming a return circuit and causing LC resonance and producing high voltage to light the fluorescent tube..
Selection Guide:
For a certain electronic ballast, energy-saving light, higher PTC thermistor resistance, smaller PTC ceramic body dimension, lower curie temperature, will lead to its lower power consumption, shorter preheating time, conversely, larger power consumption, longer preheating time.Generally speaking, we should select the PTC Thermistor with lower resistance, higher curie temperature(Tc point) and bigger ceramic body dimension relatively to delay the preheating time.
Advantages:
1. Used in the frequent-switching, typical switching life can pass over 100, 000 times;
2. High reliability, good performance of safety and stability;
3. Wide operating temperature range;
-25 ~ +125 Celsius degree(when V=0V)
0~ +60 Celsius degree(when V=Vmax)
4. The withstanding voltage can reach to over 420-1000VAC;
5. The resistance will not drift in normal temperature.
6. Small dimension
7. Complete specifications
8. Stable delayed time
Many specifications for choice, and samples&orders can be custom made per customers' requirement.
Company Contact:
Contact Name: Mary Yeung
Company Name: Shenzhen DXM Technology Co., Ltd
Email:
Tel: 86-755-27522473
Fax: 86-755-27522896
Street Address: Block C, Sanhe
International Science And Technology
Zone, Dalang Street, Baoan District,
Shenzhen, Guangdong 518109 China
Website: http://www.dxmht.com
Member name: DXMresistor
Country:
China
Member Since: 27 July 2012
Total Leads: 47 DXMresistor Import Export Business Leads
Business focus: Ptc Thermistor, Ntc Thermistor, Thermal Resistor, Pptc, Sensor, Ptc Heater, Temperature Sensor, Varistor, Capacitor, Sensitive Electronic Components
Chat:
Verify: Safe Import Export Tips
PTC thermistor for time delay of lighting&ballast, which are applicable to various
types of fluorescent lamp, electronic ballast, electronic energy-saving lamp and digital multi-meters.it can change hard stard of the ballast and electronic energy-saving lamp to pre-heated stard and preheating time of the filament can come up to 0.4-2.0 seconds, which can greatly prolong service life of the fluorescent tube by over 4 times.
Product Application:
1. Various types of fluorescent lamp
2. Electronic ballast
3. electronic energy-saving lamp
Working principle:
When the high frequency shaking circuit loop is switched on, because PTC is in normal temperature state and Rt is in a low state, its resistance value is far lower than C2 resistance, the light pressure is also smaller than that of starting it. Then the current through C1, Rt forms a return circuit to preheat the filament. Meanwhile, PTC Thermistor is heated to above the Curie temperature, Rt heating temperature exceeding the switch temperature TSW. After around 0.4-2 seconds, Rt skips into high resistance state of far higher than C2 resistance.And the current goes through C1, C2 forming a return circuit and causing LC resonance and producing high voltage to light the fluorescent tube..
Selection Guide:
For a certain electronic ballast, energy-saving light, higher PTC thermistor resistance, smaller PTC ceramic body dimension, lower curie temperature, will lead to its lower power consumption, shorter preheating time, conversely, larger power consumption, longer preheating time.Generally speaking, we should select the PTC Thermistor with lower resistance, higher curie temperature(Tc point) and bigger ceramic body dimension relatively to delay the preheating time.
Advantages:
1. Used in the frequent-switching, typical switching life can pass over 100, 000 times;
2. High reliability, good performance of safety and stability;
3. Wide operating temperature range;
-25 ~ +125 Celsius degree(when V=0V)
0~ +60 Celsius degree(when V=Vmax)
4. The withstanding voltage can reach to over 420-1000VAC;
5. The resistance will not drift in normal temperature.
6. Small dimension
7. Complete specifications
8. Stable delayed time
Many specifications for choice, and samples&orders can be custom made per customers' requirement.
Company Contact:
Contact Name: Mary Yeung
Company Name: Shenzhen DXM Technology Co., Ltd
Email:
Tel: 86-755-27522473
Fax: 86-755-27522896
Street Address: Block C, Sanhe
International Science And Technology
Zone, Dalang Street, Baoan District,
Shenzhen, Guangdong 518109 China
Website: http://www.dxmht.com
Member name: DXMresistor
Country:
ChinaMember Since: 27 July 2012
Total Leads: 47 DXMresistor Import Export Business Leads
Business focus: Ptc Thermistor, Ntc Thermistor, Thermal Resistor, Pptc, Sensor, Ptc Heater, Temperature Sensor, Varistor, Capacitor, Sensitive Electronic Components
Chat:
Verify: Safe Import Export Tips
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Main - Electronic Components and Supplies - Passive discrete components - Resistors - Thermistor [75]
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