Single Bipolar Transistors

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	Mfr Part #	Quantity Available	Price	Tariff Status	Series	Package	Product Status	Transistor Type	Current - Collector (Ic) (Max)	Voltage - Collector Emitter Breakdown (Max)	Vce Saturation (Max) @ Ib, Ic	Current - Collector Cutoff (Max)	DC Current Gain (hFE) (Min) @ Ic, Vce	Power - Max	Frequency - Transition	Operating Temperature	Grade	Qualification	Mounting Type	Package / Case	Supplier Device Package
	2N5088 PBFREE TRANS NPN 30V 0.05A TO-92-3 Central Semiconductor Corp	22,024 In Stock	1 : $0.74000 Bulk	-	-	Bulk	Active	NPN	50 mA	30 V	500mV @ 1mA, 10mA	50nA (ICBO)	300 @ 100µA, 5V	625 mW	50MHz	-65°C ~ 150°C (TJ)	-	-	Through Hole	TO-226-3, TO-92-3 (TO-226AA)	TO-92-3
	2N3906 TRANS PNP 40V 0.2A TO-92 Diotec Semiconductor	9,403 In Stock	4,000 : $0.02340 Bulk 1 : $0.13000 Cut Tape (CT)	Tariff may apply if shipping to the United States	-	Cut Tape (CT) Bulk	Active	PNP	200 mA	40 V	400mV @ 5mA, 50mA	50nA	100 @ 10mA, 1V	625 mW	250MHz	-55°C ~ 150°C (TJ)	-	-	Through Hole	TO-226-3, TO-92-3 (TO-226AA)	TO-92

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Discrete Bipolar Junction Transistors (BJTs) are commonly used to construct analog signal amplification functions in audio, radio, and other applications. One of the first semiconductor devices to be mass produced, their characteristics are less favorable than those of other device types for applications involving high frequency switching and operation with high currents or voltages, but they remain a technology of choice for applications requiring analog signal reproduction with minimal added noise and distortion. BJTs come in two varieties - NPN and PNP - which refer to the sequence of semiconductor layers that make up the transistor. NPN transistors consist of a thin P-type semiconductor between two N-type materials, while PNP transistors have an N-type semiconductor between two P-types. This gives the two types opposite polarity operation. NPN transistors sink current, while PNP transistors source current.