Dongguan Ampfort Electronics Co., Ltd.
| Payment Terms | T/T, Western Union, MoneyGram |
| Supply Ability | 10,000,000,000pcs per month |
| Delivery Time | 2 Weeks |
| Packaging Details | Bulk |
| Name | PTC Thermistor for over heating protection |
| Series | MZ21 |
| Rated Resistance | 400~600Ω |
| Rated Voltage | 220VAC |
| Max operating voltage | 440VAC |
| Switch temperature | 160℃±10℃ |
| Brand Name | AFTPTC |
| Model Number | MZ21-C08X6(400~600)R400 |
| Certification | ROHS |
| Place of Origin | CHINA |
View Detail Information
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Product Specification
| Payment Terms | T/T, Western Union, MoneyGram | Supply Ability | 10,000,000,000pcs per month |
| Delivery Time | 2 Weeks | Packaging Details | Bulk |
| Name | PTC Thermistor for over heating protection | Series | MZ21 |
| Rated Resistance | 400~600Ω | Rated Voltage | 220VAC |
| Max operating voltage | 440VAC | Switch temperature | 160℃±10℃ |
| Brand Name | AFTPTC | Model Number | MZ21-C08X6(400~600)R400 |
| Certification | ROHS | Place of Origin | CHINA |
MZ21 PTC Thermistor 400~600 OHMS 220VAC 160C 8x2.5mm Stone Element for Over Heating Protection
Description
PTCR (Positive Temperature Coefficient of Resistance) is the 1 kind of thermistor with strong positive temperature characteristics, mainly composed of BaTiO3,BaTiO3 ceramic is the 1 kind of typical ferroelectric material, room temperature resistivity is greater than 10 12 Ω cm, for insulator, after semi-conductive doping shows a strong PTC effect-room temperature resistivity is very low, with the increase of temperature, in the vicinity of the Curie point mutation, resulting in several orders of magnitude of change. This is because there is a barrier layer caused by surface states at the grain boundary of polycrystalline BaTiO3 semiconductor material. At Curie temperature, the grain boundary has ferroelectricity, the dielectric constant is very large, the barrier height is low, electrons can easily pass through the barrier, and the corresponding material resistivity is small. However, above Curie temperature, the crystal boundary layer has lattice transformation, ferroelectricity disappears, the dielectric constant increases sharply, and electrons are difficult to cross the barrier, the resistivity of the corresponding material rises sharply, which is shown as the PTC effect of the material macroscopically.
Specification
| MZ21-C08X6(400~600)R400 | 400~600Ω |
| MZ21-C08X4821RM400 | 820±20%Ω |
| MZ21-C08X7251RQ400 | 250Ω±30% |
Datasheet
Photo
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Agent,Exporter
Year Established:
2014
Total Annual:
1850000-2340000
Employee Number:
51~200
Ecer Certification：
Verified Supplier
Dongguan Ampfort Electronics Co., Ltd. is a high-tech enterprise specializing in R&D, manufacturing and sales, committed to becoming a comprehensive supplier of circuit protection components. We introduced advanced quality system,management systems and high-precision automation equipm... Dongguan Ampfort Electronics Co., Ltd. is a high-tech enterprise specializing in R&D, manufacturing and sales, committed to becoming a comprehensive supplier of circuit protection components. We introduced advanced quality system,management systems and high-precision automation equipm...
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