BD436S

Series:	--
Packaging:	Bulk
Part Status:	Active
Transistor Type:	PNP
Current - Collector (Ic) (Max):	4A
Voltage - Collector Emitter Breakdown (Max):	32V
Vce Saturation (Max) @ Ib, Ic:	500mV @ 200mA, 2A
Current - Collector Cutoff (Max):	100µA
DC Current Gain (hFE) (Min) @ Ic, Vce:	40 @ 10mA, 5V
Power - Max:	36W
Frequency - Transition:	3MHz
Operating Temperature:	150°C (TJ)
Mounting Type:	Through Hole
Package / Case:	TO-225AA, TO-126-3
Supplier Device Package:	TO-126
Base Part Number:	BD436

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Introduction to the BD436S

The BD436S is a bipolar NPN (negative-positive-negative) junction transistor with a maximum collector-emitter voltage rating of 15 volts and a maximum collector current rating of 1 amp. It is part of a family of transistor devices commonly referred to as "small signal transistors". It is typically used in low power electronic applications such as signal amplification, switching, and feedback circuits.

Application Field of the BD436S

The BD436S transistor can be applied in a variety of ways in electronic circuits. One of the most common applications of the BD436S is as a switching signal amplifier. It can be used to amplify signals in audio circuits, as well as in other signal applications such as signal conditioning and amplifying signals of various flavors from sensors.The BD436S is also commonly used as a small signal switch. This transistor can be used to turn on and off small loads, such as LED displays, sensors, and relays. Additionally, the BD436S can be used in audio circuits, as part of an oscillator or as a signal amplifier.

Advantages of the BD436S

The BD436S transistor is designed to be a low-power, low-gain device, offering a maximum emitter-collector voltage rating of 15 Volts. It is also designed to be highly reliable, offering consistent performance over long periods of time.These features make the BD436S an ideal choice for use in applications where minor changes in signal strength are required. Additionally, the BD436S is built to last, meaning it can be used in applications that require very high performance, such as video monitors, LCD displays, and audio amplifiers.

Working Principle of the BD436S

The BD436S is a non-isolated transistor, meaning that it does not require isolation from the other transistors in the circuit. This means that current can flow directly between the collector and the emitter. The amount of current that flows between these two terminals is determined by the amount of voltage that is applied to the base terminal, or control lead.When the base voltage is low, the transistor will be in a “cut off” mode, meaning that no current will be allowed to flow between the collector and the emitter. On the other hand, when the base voltage is high, the transistor will be in an “active” mode, which allows current to flow between the collector and the emitter.

Conclusion

The BD436S is a highly reliable, low-power, and low-gain transistor device. It is commonly used as a small signal switching device, as well as for signal amplification, signal conditioning, and for driving small loads such as LED displays and relays. The working principle of the BD436S is based on the non-isolated nature of the transistor, where current can flow directly between the collector and the emitter, depending on the amount of voltage that is applied to the base.

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