MMBT2222AT-TP

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Transistor Type:	NPN
Current - Collector (Ic) (Max):	600mA
Voltage - Collector Emitter Breakdown (Max):	40V
Vce Saturation (Max) @ Ib, Ic:	1V @ 50mA, 500mA
Current - Collector Cutoff (Max):	100nA
DC Current Gain (hFE) (Min) @ Ic, Vce:	75 @ 10mA, 10V
Power - Max:	150mW
Frequency - Transition:	300MHz
Operating Temperature:	-55°C ~ 150°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	SOT-523
Supplier Device Package:	SOT-523
Base Part Number:	MMBT2222A

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MMBT2222AT-TP, also know as PN2222A is a common small signal transistor. It belongs to the family of Bipolar Junction Transistors (BJT) and is classified as a Single type. MMBT2222AT-TP is mainly used in low power manual and automatic electrical circuit applications. The PN2222A transistor has the package type of TO-92, implying it is a small package and easy to mount. It has three leads of EBC-collector, B (base), and C (collector). The EBC-collector has two parts, the middle or base lead (B) and the emitter (E). The three leads are the basic leads used in all transistors.MMBT2222AT-TP has a maximum breakdown voltage of 45V and maximum collector current of 500mA. It has a gain bandwidth of 500MHz, input capacitance of 3.5pF, and a collector to emitter saturation voltage of 625mV. All these values indicating the resistance, current carrying capability and speed of response of a transistor.The MMBT2222AT-TP is designed to operate in a wide range of environmental conditions, having a temperature range between -65°C to +150°C and having a power dissipation of 500mW. All these suit it for use in most common applications. The working principle of the MMBT2222AT-TP is same as other bipolar transistors. It uses the current amplification technique to amplify the small current flowing across its base lead called the base current (IB). When a voltage is applied to the base and the emitter, a small current starts flowing across the base lead. This current is then amplified and the output current is collected from the collector lead. This amplified output current from the collector can be connected to a next stage in order to amplify the signal and then applied to a load.The MMBT2222AT-TP has various applications such as preamplifiers, audio amplifiers, small signal switches, line drivers, switching transistor, and small DC motor drivers. It can also act as an inverting amplifier if used along an N channel MOSFET. The MMBT2222AT-TP is considered an intrinsically fast transistor owing to the high gain bandwidth and the low saturation voltage, allowing it to operate at high frequencies.The MMBT2222AT-TP is a very common transistor and is greatly used in low power electrical circuits. Its high speed and low saturation voltage allows it to be used as a medium power amplifier and in small signal switching circuits. Its design also allows it to operate in most common temperature ranges, making it a reliable component for use in complex circuits.

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