DDTC143FE-7-F

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

The DDTC143FE-7-F transistor is a single pre-biased bipolar junction transistor, typically used in temperature sensing or low voltage DC power switching applications. It is a two-terminal device, one of which contains a voltage-controlled current source, and the other which contains a current sensing element. The primary purpose of the transistor is to sense temperatures over a wide range of temperatures and switch the associated power circuits accordingly.

The transistor is built with a PNPN diode junction in its collector-base region. It has a gate-to-collector capacitor, which is usually composed of a special dielectric material such as polymethylpentene, and biased to the required voltage. The transistor is designed to have high current gain and low power consumption.

The main application field of the DDTC143FE-7-F transistor is temperature sensing, usually in automotive and industrial systems. This type of transistor is able to sense temperatures between -20°C and 125°C with an accuracy of ±1°C. It is particularly well suited for applications where a temperature sensor must be fitted in a small space, such as within the confines of a vehicle engine bay or inside the confines of a small appliance.

The working principle of the DDTC143FE-7-F transistor is based on its PNPN diode junction. As the temperature increases, the circuitry detects this as an increase in the current flow across the diode junction. This increase in current flow is detected by the gate-to-collector capacitor and this detected voltage is then used to power a switch control circuit, which in turn can be used to activate a power-switching circuit.

The switching speed of the transistor is very fast, with the switching time typically taking less than 1 millisecond. The transistor also has excellent stability, with a switching cycle latency of less than 1 per 100,000 cycles. The power consumption is also very low, with a typical power dissipation of less than 0.5 Watts.

The DDTC143FE-7-F transistor is a reliable and efficient temperature sensing device that has a wide range of applications. It is used in automotive and industrial systems for temperature sensing, low voltage DC power switching, circuit protection, and other similar applications. Its high switching speed, good stability and low power consumption make it a perfect choice for applications where these characteristics are required.

The specific data is subject to PDF, and the above content is for reference