positive temperature coefficient

Positive Temperature Coefficient Characteristics of HDPE/ PVDF/ CB Composites

HDPE/PVDF/CB复合体系PTC性能的研究

When the sensor is forward biased at a current of 2 mA, the range of positive temperature coefficient of the sensor resistance is extended up to+ 300 C as a result of the minority current discontinuity and majority carrier injection.

当传感器在2mA的正向偏置电流下，由于少数载流子的不连续性以及多数载流子的注入，传感器电阻的正温度系数（PTC）区拓宽到573K（＋300℃）以上。

The experimental results show that positive temperature coefficient of resistance and breakdown voltage increase, but the resistivity of PTCR ceramics at room temperature changes little when appropriate Ag doped.

结果表明，适量的Ag掺杂对材料的室温电阻率（r）影响不大，并且还可以有效提高PTCR陶瓷的温度系数（aR）和耐电压（Vb）。

Thermistors are temperature dependent resistors and 〝 PTC 〞 stands for positive Temperature Coefficient of resistance.

热敏电阻陶瓷是一类具有正的温度系数的半导体功能陶瓷.

Positive Temperature Coefficient Effect of Carbon Fiber ( CF)-filled Polyethylene Composite Materials

聚乙烯/碳纤维复合材料的PTC效应

According to negative temperature coefficient of VBE and positive temperature coefficient of VT, a framework of band-gap voltage reference is investigated.

同时利用PNP晶体管发射结电压的负温度特性和发射结差值电压的正温度特性设计了一个带隙基准电压源。

The results showed that the composites exhibited percolation threshold effect and positive temperature coefficient effect.

实验结果表明：复合材料具有明显的渗滤效应及正温度系数效应。

Besides the positive temperature coefficient of resistance effect above the Curie temperature, it also exhibit a strong negative temperature coefficient of resistance below the Curie temperature.

该材料的主要特性是在居里温度Tc以下呈现较强的NTC效应，而在Tc以上则表现为PTC效应。

Some organic polymers can form positive temperature coefficient ( PTC ) composites with the electric conduction materials.

某些有机高分子聚合物可与导电材料形成PTC复合材料.

Positive temperature coefficient behavior of carbon material filled LDPE Composite

碳材料填充LDPE导电复合材料的PTC性能

Positive temperature coefficient ( PTC ) effect of carbon black ( CB ) filled nylon 12 ( PA 12 ) composites was studied.

研究了以尼龙12 ( PA12 ) 为基体树脂,炭黑 ( CB ) 为导电填料的高转变温度正温度系数 ( PTC ) 材料.

Fitting a positive temperature coefficient part ( PTC) was very useful to improve the overcharge performance and short circuit safety performance.

在电池内装置正温度系数端子（PTC），可提高电池的耐过充性和短路安全性。

A new type of resettable over current protectors has been developed by taking advantages of the favorable properties of shape memory alloy and positive temperature coefficient materials.

采用将形状记忆合金材料过热发生形状突变和正温度系数材料自动恒温的特性相结合的原理，研制了一种新型自复式保护器件。

Direct current electromagnet is extensively used as electromagnet controlling element. PTC element is a ceramic thermistor with positive temperature coefficient.

直流电磁铁是广泛应用的电磁控制元件，PTC元件是具有正温度系数特性的半导体陶瓷热敏电阻。