FCX617TA Discrete Semiconductor Products

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The FCX617TA is a device from Fairchild\'s bipolar junction transistor (BJT) category of transistors. It is a single type transistor having a range of applications. In this article, an overview of the FCX617TA’s application field and working principle is provided.

Characteristics

The FCX617TA is a PNP silicon, substrate-emitter, transistor. It features currents from 22mA to 250mA, voltages from 20V to 100V and has a very low rating of 0.17W max, which makes it ideal for use in low-power circuits. Its DC operating temperature ranges from –65°C to +150°C.

Applications

Common appliations for the FCX617TA include frequency multipliers, switching regulators, sample-and-hold circuits, buffers, and low-noise pulse amplifiers. It is used in industrial, commercial and domestic applications such as high voltage switching circuits, motor control circuits, high current switching circuits, and audio power amplifiers. It can also be used in monolithic circuits including through-hole lamp flashers, relay drivers, and time delay circuits. Additionally, it can be used in signal conditioning circuits such as oscillators, pulse generators and peak detector circuits.

Working Principle

The FCX617TA operates as a voltage-controlled current source. It works on the principle that a current will be driven through the emitter and base terminals when a voltage is applied at the base terminal, and a current will flow from the collector to the emitter when a voltage is applied to the collector terminal. This current “gain”, which is essentially the ratio of the collector current to the base current, is determined by the current gain of the transistor. The current gain of the FCX617TA is typically between 20 and 300.

The FCX617TA is a type of transistor known as a junction transistor, as it consists of three layers of semi-conductive material, forming two P-N junctions. In this device, one of the junctions is built on top of the substrate material, while the other is constructed beneath it. It is the substrate-emitter junction that is responsible for the majority of the voltage and current gain. This is the junction that transforms input signals into the corresponding output signals with minimal power dissipation.

Compatibility

The FCX617TA is compatible with both lead-free and non lead-free packages. Its substrate material is silicon and is designed for use with printed circuit boards (PCBs). It is RoHS compliant, making it suitable for use in circuits which require low power dissipation and have stringent environmental requirements.

Conclusion

In conclusion, the FCX617TA is a single type transistor with a wide range of applications. It works on the principle of a voltage-controlled current source, transforming input signals into corresponding output signals with minimal power dissipation. It is compatible with both lead-free and non lead-free packages, making it suitable for use in circuits which require low power dissipation and have stringent environmental requirements.

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