2SC2921

Series:	--
Packaging:	Bulk
Part Status:	Obsolete
Transistor Type:	NPN
Current - Collector (Ic) (Max):	15A
Voltage - Collector Emitter Breakdown (Max):	160V
Vce Saturation (Max) @ Ib, Ic:	2V @ 500mA, 5A
Current - Collector Cutoff (Max):	100µA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce:	50 @ 5A, 4V
Power - Max:	150W
Frequency - Transition:	60MHz
Operating Temperature:	150°C (TJ)
Mounting Type:	Through Hole
Package / Case:	3-ESIP
Supplier Device Package:	MT-200

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2SC2921 Application Field and Working Principle2SC2921 is a single-ended NPN Transistor device that is widely used in industrial and consumer electronic switching applications. This device is known for its high-frequency operations, low noise and low power consumption. Its high-voltage characteristics make it ideal for low-voltage and high-frequency switching applications.2SC2921 offers high current gain, low saturation voltage and good switching characteristics. Its low-noise characteristics make it well-suited for consumer audio or instrumentation applications. The device is also used in audio amplifiers, high-speed switching circuits and other analog applications.Working Principle of 2SC29212SC2921 works on the principle of the transistor effect. It operates by the injection of electrons from the base into the collector, resulting in the formation of a forward-bias junction. This results in current flowing through the base-collector junction when the base voltage is higher than the collector voltage.The transistor\'s current gain (hFE) depends on the amount of current injected into the base-collector junction. The current gain is determined by the ratio of the collector current to the base-emitter current. The current gain increases as the current into the base-collector junction becomes larger.2SC2921 is a voltage-controlled device, meaning that its collector current can be adjusted by changing the base voltage. The base-emitter voltage can be adjusted by changing either the base voltage or the collector voltage. By controlling the current gain, the collector current can be changed in a predictable manner.2SC2921 is a thermally compensated device; its current gain varies with temperature. The device also has a voltage-compensated feature that ensures that the collector current remains constant over a wide temperature range. This feature makes 2SC2921 suitable for use in applications that require constant collector current over a wide range of temperatures.Application Fields of 2SC29212SC2921 is an ideal choice for a wide range of applications, including:

• Audio amplifiers
• High-speed switching circuits
• Automotive and industrial electronics equipment
• Instrumentation systems
• Telecommunication systems
• Computer power supplies

2SC2921 is particularly well-suited for low-voltage and high-frequency switching circuits, as it has low saturation voltage and good switching characteristics. It is also well-suited for audio amplifiers and other analog applications, as it has low-noise characteristics.In addition, 2SC2921 is also used in pulse circuits and in high-voltage current source applications, due to its high-voltage characteristics. Its high current gain makes it suitable for logic circuits, such as memory chips and digital signal processors. Its thermally compensated feature makes it ideal for applications that require constant collector current over a wide temperature range, such as automotive and industrial electronics equipment.Overall, 2SC2921 is a versatile device for a wide range of applications, particularly in audio and industrial electronics, where it offers excellent performance. Its low power consumption and low-noise characteristics make it ideal for consumer applications.

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