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19P 19mm 100Ohm NTC PTC Thermistors Positive Temperature Coefficient Thermistor
Product Details:
| Place of Origin: | China |
| Brand Name: | Tianrui |
| Certification: | ROHS |
| Model Number: | 19P |
Payment & Shipping Terms:
| Minimum Order Quantity: | 1000pcs |
|---|---|
| Price: | Negotiable |
| Packaging Details: | PE Bag |
| Delivery Time: | 5-7 work days |
| Payment Terms: | T/T, Paypal, Mastercard, Wetern Union, Alipay, etc |
| Supply Ability: | 1000000PCS per Month |
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Detail Information |
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| Product Name: | 19P PTC Thermistor | Rated Resistance: | 100Ω±25% |
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| Switch Temperature: | 120℃ | Break Down Voltage: | 600 V |
| Diameter: | 19mm | Non-Operating Current: | 180 MA |
| Rated Power: | 0.5W | Typical Trip Current: | 360 MA |
| Color: | Green | Temperature Range: | -10~+45℃ |
| High Light: | 19P NTC PTC Thermistors,100Ohm NTC PTC Thermistors,19mm Positive Temperature Coefficient Thermistor |
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Product Description
19P Current Limited 19MM 100OHM Welding Machine Positive Temperature Coefficient PTC Thermistor
Brief Introduction
Function:PTC Thermistor Special for over current,overload protection of welding machines.
MZ31 series 15P,16P,19P PTC thermistor are million- time safety thermistor of automatic circuit protection,recoverability, using repeatedly, and no trigger, noise or protective component that could protect and restore from abnormal temperature and current automatically,which called "auto restore fuse" and "ten-thousand-time fuse".Recoverability, using repeatedly, and no trigger, noise or sparks.
The above three models are all used for overcurrent overload protection of welding machines, just different welding machine size use different PTC thermistor Model.
Working Principle
When the circuit is in normal state, the current passing through the PTC thermistor is less than the rated current, and the PTC thermistor is normal and the resistance is small.Does not affect the normal operation of the protected circuit. When the circuit fails and the current greatly exceeds the rated current, the PTC thermistor suddenly heats up and is in a high resistance state. The circuit is disconnected to protect the circuit from damage. When the failure is eliminated, the PTC thermistor automatically returns to a low resistance state and the circuit returns to normal operation.
Dimension
| Part No | DMAX | W±1.0 | TMAX | Φd±0.05 |
| MZ21-P101RNM | 19.0 | 7.5 | 8.0 | 0.8 |
Characteristics Curve
Electrical Performance
| part no |
rated resistance (25℃±1℃) |
switch temperature (±7℃) |
break down voltage Ac |
non-operating current (at 40℃) |
typical trip current | Operating ambient temperature range |
| MZ21-P101RNM | 100Ω±25% | 120℃ | 600 V | 180 mA | 360 mA | -10~+45℃ |
Advantage
1.Automatic circuit protection,can resume steadily,
2.contactless,noiseless and flameless,
3.reacts fast,
4. with a better performance of overvoltage protection,
5.wide operating voltage range,
6.small steady resistance,
7.low rated current,
8.small resistance,small size,
9.stable for a long time,
10.no need to be reset supply after overload protection,
11.wide operating temperature range, 0 ~ +60°C (V=Vmax), -25 ~ +125°C (V=0),
12.RoHS compliant.
Special PTC Thermistor for Welding machine overload protection
Appearance and Dimension(In: mm)
15P Thermistor:
finished product diameter 15.5-16 .0 mm, mold size is 16mm.
Foot distance is 7.5 ± 0.5 mm.
Foot length: the length of the cut foot is 5mm.
16P Thermistor: finished product diameter 17-17 .5 mm, mold size is 20 mm.
Foot distance is 5 ± 0.5 mm.
Foot length: the length of the cut foot is 8mm.
19P Thermistor:
finished product diameter 17.5-18 .0 mm, mold size is 20mm.
Foot distance is 7.5 ± 0.5 mm.
Foot length: the length of the cut foot is 6mm.
16P is thinner than 15P and 19P is thicker than 15P and 16P.
Application
Inverter welding machine
Contact Details:
Andy Wu
Email: andy@tianrui-fuse.com.cn
Tel/Whatsapp: +86 13532772961
Wechat: HFeng0805
Skype: andywutechrich
QQ: 969828363