.2 A Other Function Transistors 533

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Part	Manufacturer	Polarity or Channel Type	Configuration	Surface Mount	Nominal Transition Frequency (fT)	Maximum Power Dissipation (Abs)	Maximum Collector Current (IC)	No. of Elements	Sub-Category	Minimum DC Current Gain (hFE)	Maximum Operating Temperature
BC179	Texas Instruments	PNP	SINGLE	NO	200 MHz	.6 W	.2 A	1	Other Transistors	180	175 Cel
2N6540	Texas Instruments	NPN	SINGLE	NO	200 MHz	.625 W	.2 A	1	Other Transistors	100	150 Cel
BSW22	Texas Instruments	PNP	SINGLE	NO	300 MHz	.3 W	.2 A	1	Other Transistors	250	175 Cel
MPS3707	Texas Instruments	NPN	SINGLE	NO	100 MHz	.31 W	.2 A	1	Other Transistors	100	150 Cel
BSW21A	Texas Instruments	PNP	SINGLE	NO	300 MHz	.3 W	.2 A	1	Other Transistors	130	175 Cel
2N1414	Texas Instruments	PNP	SINGLE	NO	1 MHz	.2 W	.2 A	1	Other Transistors	34	85 Cel
BFV81	Texas Instruments	PNP	SINGLE	YES	400 MHz	.3 W	.2 A	1	Other Transistors	30	175 Cel
BSW21	Texas Instruments	PNP	SINGLE	NO	300 MHz	.3 W	.2 A	1	Other Transistors	130	175 Cel
BC179A	Texas Instruments	PNP	SINGLE	NO	190 MHz	.6 W	.2 A	1	Other Transistors		175 Cel
BF417	Texas Instruments	PNP	SINGLE	NO	70 MHz	1.2 W	.2 A	1	Other Transistors	30	150 Cel
BCY59D	Texas Instruments	NPN	SINGLE	NO	150 MHz	.39 W	.2 A	1	Other Transistors		175 Cel
BC512A	Texas Instruments	PNP	SINGLE	NO	200 MHz	.3 W	.2 A	1	Other Transistors		140 Cel
BCY59A	Texas Instruments	NPN	SINGLE	NO	150 MHz	.39 W	.2 A	1	Other Transistors		175 Cel
MPS3709	Texas Instruments	NPN	SINGLE	NO	100 MHz	.31 W	.2 A	1	Other Transistors	45	150 Cel
BFR86TO5	Texas Instruments	NPN	SINGLE	NO	130 MHz	.8 W	.2 A	1	Other Transistors	20	175 Cel
BFS30	Texas Instruments	NPN	SINGLE	YES	150 MHz	.3 W	.2 A	1	Other Transistors	60	150 Cel
BCW82B	Texas Instruments	NPN	SINGLE	NO	150 MHz	.225 W	.2 A	1	Other Transistors		150 Cel
BSS21	Texas Instruments	NPN	SINGLE		400 MHz	.25 W	.2 A	1	Other Transistors	30	150 Cel
BCW83C	Texas Instruments	NPN	SINGLE	NO	150 MHz	.225 W	.2 A	1	Other Transistors		150 Cel
2N6539	Texas Instruments	NPN	SINGLE	NO	200 MHz	.625 W	.2 A	1	Other Transistors	250	150 Cel
2N395	Texas Instruments	PNP	SINGLE	NO	3 MHz	.15 W	.2 A	1	Other Transistors	25	100 Cel
2N1383	Texas Instruments	PNP	SINGLE	NO		.25 W	.2 A	1	Other Transistors	27	100 Cel
C5T5550	Texas Instruments	NPN	SINGLE	YES	160 MHz	.35 W	.2 A	1	Other Transistors	20	150 Cel
BCW82	Texas Instruments	NPN	SINGLE	NO	150 MHz	.225 W	.2 A	1	Other Transistors		150 Cel
BFT57	Texas Instruments	NPN	SINGLE	NO	110 MHz	.36 W	.2 A	1	Other Transistors	25	175 Cel
BC178B	Texas Instruments	PNP	SINGLE	NO	200 MHz	.6 W	.2 A	1	Other Transistors	180	175 Cel
BCW86	Texas Instruments	PNP	SINGLE	NO	200 MHz	.3 W	.2 A	1	Other Transistors		140 Cel
2N1376	Texas Instruments	PNP	SINGLE	NO		.25 W	.2 A	1	Other Transistors	67	100 Cel
BC214K	Texas Instruments	PNP	SINGLE	NO	200 MHz	.5 W	.2 A	1	Other Transistors		125 Cel
2N1374	Texas Instruments	PNP	SINGLE	NO		.25 W	.2 A	1	Other Transistors	45	100 Cel
2N4420	Texas Instruments	NPN	SINGLE	NO	350 MHz	.36 W	.2 A	1	Other Transistors	30	150 Cel
2N1377	Texas Instruments	PNP	SINGLE	NO		.25 W	.2 A	1	Other Transistors	67	100 Cel
BFS34P	Texas Instruments	PNP	SINGLE	YES	200 MHz	.15 W	.2 A	1	Other Transistors	100	140 Cel
C5T3250	Texas Instruments	PNP	SINGLE	YES	700 MHz	.32 W	.2 A	1	Other Transistors	15	140 Cel
BFV29	Texas Instruments	PNP	SINGLE	NO	400 MHz	.15 W	.2 A	1	Other Transistors	30	175 Cel
C5T3906	Texas Instruments	PNP	SINGLE	YES	450 MHz	.32 W	.2 A	1	Other Transistors	30	140 Cel
BC513B	Texas Instruments	PNP	SINGLE	NO	200 MHz	.3 W	.2 A	1	Other Transistors		140 Cel
BFR88TO5	Texas Instruments	NPN	SINGLE	NO	130 MHz	.8 W	.2 A	1	Other Transistors	20	175 Cel
BCW82A	Texas Instruments	NPN	SINGLE	NO	150 MHz	.225 W	.2 A	1	Other Transistors		150 Cel
MPS3708	Texas Instruments	NPN	SINGLE	NO	100 MHz	.31 W	.2 A	1	Other Transistors	45	150 Cel
BC583A	Texas Instruments	NPN	SINGLE	NO	150 MHz	.3 W	.2 A	1	Other Transistors		150 Cel
BC584	Texas Instruments	NPN	SINGLE	NO	150 MHz	.3 W	.2 A	1	Other Transistors		150 Cel
BC514A	Texas Instruments	PNP	SINGLE	NO	200 MHz	.3 W	.2 A	1	Other Transistors		140 Cel
2N397	Texas Instruments	PNP	SINGLE	NO	10 MHz	.15 W	.2 A	1	Other Transistors	40	100 Cel
BC514C	Texas Instruments	PNP	SINGLE	NO	200 MHz	.3 W	.2 A	1	Other Transistors		140 Cel
2N4419	Texas Instruments	NPN	SINGLE	NO	400 MHz	.36 W	.2 A	1	Other Transistors	30	150 Cel
BC212K	Texas Instruments	PNP	SINGLE	NO	200 MHz	.5 W	.2 A	1	Other Transistors		125 Cel
2N3227	Texas Instruments	NPN	SINGLE	NO	500 MHz	.36 W	.2 A	1	Other Transistors	100	200 Cel

Other Function Transistors

Other function transistors are a category of transistors that perform specialized functions beyond basic switching and amplification. These transistors are designed to perform specific tasks in electronic circuits, and are used in various applications such as signal processing, voltage regulation, and power management.

Some examples of other function transistors include:

1. Darlington Transistors: Used in high-current and high-voltage applications where a single transistor cannot provide the required gain. Darlington transistors consist of two transistors connected in series, which provide a high gain and low input current.

2. Schottky Transistors: Used in high-speed digital circuits to reduce switching losses and improve efficiency. Schottky transistors use a Schottky barrier diode in combination with a transistor to reduce the voltage drop across the device.

3. Phototransistors: Used in applications where a signal needs to be detected and converted into an electrical signal. Phototransistors use a photodiode to detect light and a transistor to amplify the signal.

4. Bipolar Junction Transistors (BJT): Used in analog circuits for amplification and switching applications. BJTs have a high current gain and low input resistance, making them useful in low-power applications.

5. Junction Field-Effect Transistors (JFET): Used in low-noise and high-impedance applications, such as audio amplifiers and analog switches. JFETs have a high input impedance and low noise, making them suitable for low-power applications.

Other function transistors are available in various sizes and configurations, depending on the specific application. They are subject to various standards and regulations, such as JEDEC (Joint Electron Device Engineering Council) and RoHS (Restriction of Hazardous Substances), to ensure their safety and performance. Proper selection and design of other function transistors are critical to ensure optimal performance, reliability, and compatibility with other components in the circuit.