BSR18A_D87Z

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Transistor Type:	PNP
Current - Collector (Ic) (Max):	200mA
Voltage - Collector Emitter Breakdown (Max):	40V
Vce Saturation (Max) @ Ib, Ic:	400mV @ 5mA, 50mA
Current - Collector Cutoff (Max):	50nA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce:	100 @ 10mA, 1V
Power - Max:	350mW
Frequency - Transition:	250MHz
Operating Temperature:	-55°C ~ 150°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	TO-236-3, SC-59, SOT-23-3
Supplier Device Package:	SOT-23-3
Base Part Number:	BSR18

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Introduction

The BSR18A_D87Z is a single bipolar transistor. It is widely used in many applications in the field of electronic engineering due to its several properties and features. This article will discuss in detail its potential application field and working principle.

Application field

The BSR18A_D87Z can be used in many applications, such as radio and communication devices, switching, oscillators, amplifiers, and audio systems.In radio and communication devices, the BSR18A_D87Z is used as a switching device for controlling the flow of the radio frequency. It can also be used for making slow-speed circuits for detecting radio frequencies.The BSR18A_D87Z can be used in switching applications, where it can be used as a switch or an amplifier. It is also used in oscillators, where it helps in regulating the frequency of the oscillator. In amplifiers, the BSR18A_D87Z is mainly used as an amplifier because of its high input impedance and low output impedance capabilities. As an audio system element, the BSR18A_D87Z is used as a voltage amplifier because of its low voltage gain characteristics.

Working principle

The BSR18A_D87Z is a transistor that is based on the principle of a bipolar junction transistor (BJT). This type of transistor consists of three layers of semiconductor material, namely the emitter, base, and collector. It operates in active mode and is used as either an amplifier or a switch.In its most basic form, the BSR18A_D87Z has two states. When the base-emitter junction of the transistor is forward-biased, it is said to be in the “on” state. On the other hand, when the base-emitter junction is reverse-biased, the transistor is said to be in the “off” state. When the transistor is in the “on” state, current will flow from the emitter to the collector, and when the transistor is in the “off” state, no current will flow.When the transistor is in the “on” state, the current that is flowing from the emitter to the collector can be controlled by changing the voltage applied to the base electrode. The transistor’s behavior is called a “current gain”, which is a measure of the amount of current that is flowing from the emitter to the collector in relation to the applied base voltage.

Conclusion

The BSR18A_D87Z is a single bipolar transistor that is used in many applications. It has a wide range of features, including its wide range of potential application field and its working principle based on the two-state bipolar junction transistor. It is used in radio and communication devices, switching applications, oscillators, amplifiers, and audio systems. The transistor’s behavior is based on the “on” and “off” states, where the current flowing from the emitter to the collector in relation to the applied base voltage can be controlled.

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