BSR19A,215 Discrete Semiconductor Products

Series:	--
Packaging:	Cut Tape (CT)
Part Status:	Active
Transistor Type:	NPN
Current - Collector (Ic) (Max):	300mA
Voltage - Collector Emitter Breakdown (Max):	160V
Vce Saturation (Max) @ Ib, Ic:	150mV @ 1mA, 10mA
Current - Collector Cutoff (Max):	50nA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce:	80 @ 10mA, 5V
Power - Max:	250mW
Frequency - Transition:	300MHz
Operating Temperature:	150°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	TO-236-3, SC-59, SOT-23-3
Supplier Device Package:	TO-236AB (SOT23)
Base Part Number:	BSR19

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1. IntroductionThe BSR19A,215 is a single bipolar junction transistor (BJT) from the BSR family of transistors developed and manufactured by Vishay Intertechnology. It is a NPN transistor with a 400mA current rating and a breakdown voltage of 50V. The BSR19A,215 is available in two variants: the BSR19A,215-0 and the BSR19A,215-1. The difference between the two is in the amount of ESD protection they offer; the BSR19A,215-0 offers less protection than the BSR19A,215-1. 2. ApplicationsThe BSR19A,215 can be used in a variety of applications, such as: - Amplifiers: The BSR19A,215 can be used in common emitter or common collector amplifier circuits. - Small signal switching: It can be used as an switch with a low input impedance.- Switching circuits: It can be used to switch power on and off. - Voltage regulators: The BSR19A,215 can be used in voltage regulation circuits. 3. Working principleThe BSR19A,215 is a NPN transistor, which means it has three terminals: the base, the collector and the emitter. It works by controlling the flow of current between the base and the collector terminals. When no current is flowing through the base terminal, the transistor is in an OFF state and no current can flow between the collector and the emitter terminals. When current flows through the base terminal, it causes a larger current to flow between the collector and the emitter terminals and the transistor is in an ON state. This is known as the forward-bias operation of a transistor.The BSR19A,215 can also be operated in a reverse-bias mode, but this is not recommended due to its low reverse voltage rating. In this mode, the current flows in the opposite direction (from the emitter to the collector) and the transistor is in an OFF state. This mode is mostly used to protect the transistor from unwanted currents.4. ConclusionThe BSR19A,215 is a single bipolar junction transistor (BJT) from the BSR family of transistors manufactured by Vishay Intertechnology. It has a 400mA current rating and a breakdown voltage of 50V. The BSR19A,215 can be used in a variety of applications, such as amplifiers, small signal switching, switching circuits and voltage regulation circuits. It works by controlling the flow of current between its base and collector terminals, and can also be operated in a reverse-bias mode for protection.

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