MMSTA92-7

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Discontinued at Digi-Key
Transistor Type:	PNP
Current - Collector (Ic) (Max):	100mA
Voltage - Collector Emitter Breakdown (Max):	300V
Vce Saturation (Max) @ Ib, Ic:	500mV @ 2mA, 20mA
Current - Collector Cutoff (Max):	250nA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce:	25 @ 30mA, 10V
Power - Max:	200mW
Frequency - Transition:	50MHz
Operating Temperature:	-55°C ~ 150°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	SC-70, SOT-323
Supplier Device Package:	SOT-323
Base Part Number:	MMSTA92

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MMSTA92-7 is a single-transistor bipolar junction transistor (BJT) that is used in a wide range of applications. It can be used as an amplifier, switch or voltage regulator, and has a wide operating temperature range. The MMSTA92-7 has a collector-emitter rating of 2.0A and is specified for operation at temperatures ranging from -40°C to 125°C.The MMSTA92-7 is a discrete transistor with three terminals: base, collector, and emitter. It is a current-controlled device, meaning that current is applied to the base terminal to control the current flowing through the collector and emitter terminals. The MMSTA92-7 is a PNP type device, meaning the collector-base junction is reverse biased in the normal operating condition when a negative voltage is applied to the base terminal and a positive voltage is applied to the collector terminal.To understand the working principle of the MMSTA92-7 transistor, it is helpful to understand how its three terminals interact with each other. The base terminal acts as an active region to control the flow of current between the collector and emitter terminals. When no current is applied to the base terminal, the transistor is in the ‘off’ state, where there is no current flowing through the collector-emitter junction. However, when an electric current is applied to the base terminal, this causes a small current to flow between the collector and emitter terminals. This small current is called the ‘base current’, and is proportional to the current applied to the base terminal. This current flow is like opening and closing a switch, allowing current to be regulated through the collector-emitter junction.The amount of current flowing between the collector and emitter terminals is controlled by the current applied to the base terminal. This current is called the ‘collector current’ and is proportional to the current applied to the base terminal. The collector current is what ultimately determines the output voltage and current of the MMSTA92-7 transistor.The MMSTA92-7 can be used in many different applications, such as amplifiers, switches, voltage regulators, and even logic circuits. In the most basic amplifier application, the transistor is wired with a base-emitter capacitor, a collector-base capacitor, a power supply, and a load. The capacitor on the base-emitter junction stores the bias voltage between the base and the emitter and supplies the necessary voltage for proper operation. The capacitor on the collector-base junction stores the voltage across the collector and the base and provides the necessary current for proper operation.In the amplifier application, the base current controls the current flow from the collector to the emitter, and the collector current then amplifies the input signal voltage. The amplifier can be configured to provide gain, or amplification, by adjusting the current levels of the base and collector.The MMSTA92-7 transistor can also be used in a switching configuration. In this configuration, the base current is used to turn the switch on and off. When the base current is high, the switch is on, and when the base current is low, the switch is off. The transistor can also be used to regulate the output voltage of a power supply, in which the base current is used to control the output voltage by adjusting the collector-emitter current flow.The MMSTA92-7 is an extremely versatile transistor that can be used in a wide range of applications. Its wide operating temperature range and collector-emitter rating of 2.0A make it a great choice for many projects. With proper circuit design, the MMSTA92-7 can be used to provide amplification, switching, and voltage regulation.

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