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| Categories | PTC Thermistor |
|---|---|
| Brand Name: | lin kun |
| Model Number: | 16P(MZ21- P501 RMN) |
| Place of Origin: | China |
| Certification: | UL ROHS |
| MOQ: | 1000PCS |
| Price: | Negotiation |
| Payment Terms: | T/T, Western Union, MoneyGram |
| Supply Ability: | 100,000 pieces/month |
| Delivery Time: | 5-7 days |
| Packaging Details: | 500PCS/Bag |
| Product Name: | 16P PTC Thermistor |
| Rated Resistance:: | R25=50Ω±30Ω |
| Switch Temperature:: | 120℃ |
| Color:: | Green |
| Rated Power:: | 0.5W |
| Non-Operating Current:: | 450 MA |
| Diameter:: | 18mm |
| Typical Trip Current:: | 900 MA |
| Temperature Range:: | -20~+85℃ |
| High Light:: | MZ21 positive temperature coefficient thermistor, 16P positive temperature coefficient thermistor, 18MM ptc thermistor resistance |
| Company Info. |
| Dongguan Linkun Electronic Technology Co., Ltd. |
| Verified Supplier |
| View Contact Details |
| Product List |
MZ21 Type Thermistor used for overcurrent protection in
telecommunication and AC circuit.
Function:PTC Thermistor Special for over current,overload
protection of welding machines.
Technical parameters of Welding machine overload protection PTC
Thermistor:
16P nominal R25 resistance: conventional 6 Ω, also 3.7 Ω, 5 Ω, 7 Ω,
10 Ω, 12 Ω, 15 Ω
Allow R25 resistance deviation: 100 Ω ± 30%, others: ± 25 %
Rated power: 0.5 W
Summary
16P PTC Thermistor used for overcurrent protection in
telecommunication and AC circuit.
Structure and Dimensions
Shape and Dimension (unit :mm)
| Part no | DMAX | W±1.0 | TMAX | Φd±0.05 | ||||||||||||||||||||||||
| MZ21- P501RMN | 18.0 | 5.0 | 5.0 | 0.8 | ||||||||||||||||||||||||
Performance Specification
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-P501RMN | 50Ω±20% | 120℃ | 300 V | 450 mA | 900 mA | -10~+45℃ | |||||||||||||||||||||||
How to Order 16P PTC Thermistor
① — PTC Thermistor
②
| Product style | ||||||||||||
| 2 | Current limited | |||||||||||
| 3 | Delay time | |||||||||||
③
| Product type | Sequence No. | |||||||||||||||
| 1 | 1.Coating type | |||||||||||||||
| 2.Plastic type | ||||||||||||||||
| 3.Empty body | ||||||||||||||||
| 3 | No mark | |||||||||||||||
④ — — switch temperature,P:120℃
⑤ — Ω(resistance value) 5＝5×10 0 ,
⑥ — ( OHM )
⑦ — — (Tolerance) K:±10%, M:±20%, N:±25%
⑧ — — (Diameter of Chip) N:Ф16mm
The 16P PTC Thermistor Characteristics Curve
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.
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.
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