BC635_J35Z

Series:	--
Packaging:	Bulk
Part Status:	Obsolete
Transistor Type:	NPN
Current - Collector (Ic) (Max):	1A
Voltage - Collector Emitter Breakdown (Max):	45V
Vce Saturation (Max) @ Ib, Ic:	500mV @ 50mA, 500mA
Current - Collector Cutoff (Max):	100nA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce:	40 @ 150mA, 2V
Power - Max:	1W
Frequency - Transition:	100MHz
Operating Temperature:	150°C (TJ)
Mounting Type:	Through Hole
Package / Case:	TO-226-3, TO-92-3 (TO-226AA) (Formed Leads)
Supplier Device Package:	TO-92-3
Base Part Number:	BC635

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Introduction

The BC635_J35Z is a type of bipolar single transistor device, often used in applications where superior reliability and long-term stability are needed. These transistors are also advantageous due to their relatively low cost and high performance. In this article, we will discuss the application field and working principle of the BC635_J35Z transistor.

Application Field

The BC625_J35Z transistor has several applications, including the following:

• Power Supplies: The BC625_J35Z transistor is commonly used in power supplies, such as those found in home electronics and industrial machinery, as a means to regulate the amount of power entering the circuit. It is particularly useful for this application due to its ability to easily switch current and voltage, making it an ideal choice for regulating power.
• Signal Amplification: The BC625_J35Z can be used as an amplifier in a variety of circuits and applications, due to its ability to amplify small signals. This makes it an ideal choice for amplifying audio, video, and other types of signals.
• Motor Control: The BC625_J35Z is sometimes used as a means of controlling motors, including those found in power drills, clocks, and other equipment. Due to its ability to switch current and voltage, it is an ideal choice for controlling motors, as it can quickly and easily switch them on and off as needed.
• Sensing: The BC625_J35Z can be used as a sensor in a variety of circuits and applications. By monitoring the current and voltage going through the device, it can be used to detect the presence of certain elements, such as temperature, pressure, and other environmental factors.
• Control Systems: The BC625_J35Z is commonly used incontrol systems, such as those found in automobiles, to help regulate the amount of power going to various components. By using the transistor to switch current and voltage, it can allow the control system to more effectively manage the power going to its components.
• Automated Controls: The BC625_J35Z can also be used in automated control systems. By switching the current and voltage going through the device, the automated system can more effectively control the flow of power in its components.

Working Principle

The BC625_J35Z transistor is a type of bipolar junction transistor (BJT). A BJT consists of three separate elements—the emitter, the base, and the collector. The BC625_J35Z has a small current flowing from the emitter to the base, which controls the larger current flowing from the base to the collector. The BC625_J35Z is a "self-biased" transistor, meaning that no external bias is necessary to set the current gain of the transistor. It works by using an internal mechanism to control the amount of current flowing through the base-collector junction. This internal mechanism, known as the "beta" or "hFE," determines the amount of current that is allowed to flow through the device. The BC625_J35Z transistor also has an integral thermal protection system that helps protect it from overheating. The protection system works by automatically adjusting the bias point of the transistor in order to limit the amount of current that can flow through it. This helps to ensure stability and reliability in the operation of the device.

Conclusion

The BC625_J35Z is a versatile and reliable transistor device, used in a variety of applications. It is ideal for power, sensing, and control systems, due to its ability to quickly switch current and voltage. The device is also self-biased, which means that no external bias is necessary to set the current gain. Additionally, it features an integral thermal protection system that helps to ensure reliability and stability.

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