2SC5459(TOJS,Q,M)

Series:	--
Packaging:	Bulk
Part Status:	Obsolete
Transistor Type:	NPN
Current - Collector (Ic) (Max):	3A
Voltage - Collector Emitter Breakdown (Max):	400V
Vce Saturation (Max) @ Ib, Ic:	1V @ 150mA, 1.2A
Current - Collector Cutoff (Max):	100µA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce:	20 @ 300mA, 5V
Power - Max:	2W
Frequency - Transition:	--
Operating Temperature:	150°C (TJ)
Mounting Type:	Through Hole
Package / Case:	TO-220-3 Full Pack
Supplier Device Package:	TO-220NIS

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Introduction

The 2SC5459 (TOJS,Q,M) is a single-stage bipolar transistor that is often used in electronic applications from radio to television sets. It features a high current gain and an excellent safe operating area to maximize performance and reliability. This article will discuss the application fields and working principles of the 2SC5459.

Application Fields

The 2SC5459 can be used in multiple applications, such as radio, television sets, audio amplifiers, and switching circuits.In radio applications, it can be used as an RF amplifier, mixer, or oscillator. The low collector-emitter saturation voltage and the low collector-base capacitance of the transistor make it suitable for these applications. In television sets, it can be used as an intermediate amplifier in the video section, as well as a booster amplifier and horizontal output stage. The high power gain of this transistor makes it ideal for these applications.In audio amplifiers, it is used for power output stages, bass amplifier stages, and driver stages. The low noise, high current gain, and low collector-emitter saturation voltage make it suitable for these applications.In switching circuits, it is used as a switch between high and low voltages. The transistor\'s low collector-emitter saturation voltage and the high current gain make it ideal for this application.

Working Principle

The 2SC5459 is a single-stage bipolar transistor. This means that it has three terminals: the collector, base, and emitter. When no current is flowing, the transistor is said to be in the ‘off’ state. In this state, the collector-emitter voltage is very high and the collector current is very low.When a positive voltage is applied to the base, the current into the base increases. This causes the collector-emitter voltage to drop and the collector current to increase. This is called the ‘on’ state, and it allows current to flow from collector to emitter.The current gain of the transistor is determined by the ratio of the collector current to the base current. This is called the ‘gain-bandwidth product’, and it is one of the parameters that is used to describe the performance of a transistor.

Conclusion

The 2SC5459 is a single-stage bipolar transistor that is often used in various applications from radio to television sets. It has a high current gain and an excellent safe operating area that make it suitable for a wide variety of applications. This article has discussed the application fields and working principles of the 2SC5459.

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