Single, Pre-Biased Bipolar Transistors

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Mfr Part #	Quantity Available	Price	Series	Package	Product Status	Transistor Type	Current - Collector (Ic) (Max)	Voltage - Collector Emitter Breakdown (Max)	Resistors Included	Resistor - Base (R1)	Resistor - Emitter Base (R2)	DC Current Gain (hFE) (Min) @ Ic, Vce	Vce Saturation (Max) @ Ib, Ic	Current - Collector Cutoff (Max)	Frequency - Transition	Power - Max	Mounting Type	Package / Case	Supplier Device Package
DTC043ZEBTL TRANS PREBIAS NPN 50V 0.1A EMT3F Rohm Semiconductor	114,575 In Stock	1 : £0.13000 Cut Tape (CT) 3,000 : £0.02480 Tape & Reel (TR)	DTC043Z	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	NPN - Pre-Biased	100 mA	50 V	R1 and R2	4.7 kOhms	47 kOhms	80 @ 5mA, 10V	150mV @ 500µA, 5mA	-	250 MHz	150 mW	Surface Mount	SC-89, SOT-490	EMT3F (SOT-416FL)
DTC043ZUBTL TRANS PREBIAS NPN 50V UMT3F Rohm Semiconductor	53,246 In Stock	1 : £0.18000 Cut Tape (CT) 3,000 : £0.03728 Tape & Reel (TR)	DTC043Z	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	NPN - Pre-Biased	100 mA	50 V	R1 and R2	4.7 kOhms	47 kOhms	80 @ 5mA, 10V	150mV @ 500µA, 5mA	-	250 MHz	200 mW	Surface Mount	SC-85	UMT3F
DTC043ZMT2L TRANS PREBIAS NPN 50V 0.1A VMT3 Rohm Semiconductor	89,745 In Stock	1 : £0.19000 Cut Tape (CT) 8,000 : £0.03314 Tape & Reel (TR)	DTC043Z	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	NPN - Pre-Biased	100 mA	50 V	R1 and R2	4.7 kOhms	47 kOhms	80 @ 5mA, 10V	150mV @ 500µA, 5mA	500nA	250 MHz	150 mW	Surface Mount	SOT-723	VMT3

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Pre-biased/Digital transistors (also known as BRT’s) are designed to interface directly with digital logic for inverter, level-shifting, switching, and buffer applications. The pre-biased transistors are typically identified by the inclusion of a series base (R1) current limiting resistor as well as a shunt (turn-off) resistor across the base-collector junction (R2) to reduce leakage current by ensuring that the transistor is completely turned off in the absence of an input signal. Pre-biased transistors reduce the number of external circuit components required, thereby reducing project costs