4 A Other Function Transistors 211

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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	Terminal Finish	JESD-609 Code	Peak Reflow Temperature (C)
2SC4731S-AY	Onsemi	NPN	SINGLE	NO		1.5 W	4 A	1	Other Transistors	140	150 Cel	Tin/Copper/Silver/Nickel (Sn/Cu/Ag/Ni)
TS7920	Onsemi	NPN	SINGLE	NO		70 W	4 A	1	Other Transistors	10	150 Cel
2SC4457L	Onsemi	NPN	SINGLE	NO	18 MHz	40 W	4 A	1	Other Transistors	15
2SB1168R	Onsemi	PNP	SINGLE	NO	180 MHz	20 W	4 A	1	Other Transistors	100	140 Cel
2SD2223	Onsemi	NPN	DARLINGTON	NO	20 MHz	30 W	4 A		Other Transistors	2000
2SC4219N	Onsemi	NPN	SINGLE	NO	20 MHz	40 W	4 A	1	Other Transistors	30	150 Cel
2SB1143R	Onsemi	PNP	SINGLE	NO	150 MHz	10 W	4 A	1	Other Transistors	100	140 Cel
2SD1816Q	Onsemi	NPN	SINGLE	YES	180 MHz	20 W	4 A	1	Other Transistors	70	150 Cel
2SC3448L	Onsemi	NPN	SINGLE	NO	18 MHz	60 W	4 A	1	Other Transistors	15	150 Cel
BD538	Onsemi	PNP	SINGLE	NO	3 MHz	50 W	4 A	1	Other Transistors	15	140 Cel	TIN LEAD	e0	235
2SC4731R	Onsemi	NPN	SINGLE	NO		1.5 W	4 A	1	Other Transistors	100	150 Cel
2SD1683U	Onsemi	NPN	SINGLE	NO	150 MHz	10 W	4 A	1	Other Transistors	280	150 Cel
2SC4219L	Onsemi	NPN	SINGLE	NO	20 MHz	40 W	4 A	1	Other Transistors	15	150 Cel
2SB1216	Onsemi	PNP	SINGLE	YES	130 MHz	20 W	4 A	1	Other Transistors	70	150 Cel
2SB986U	Onsemi	PNP	SINGLE	NO		1.2 W	4 A	1	Other Transistors	280	150 Cel
2SC4105L	Onsemi	NPN	SINGLE	NO	20 MHz	40 W	4 A	1	Other Transistors	15	150 Cel
2SC4105	Onsemi	NPN	SINGLE	NO	20 MHz	40 W	4 A	1	Other Transistors	15	150 Cel
BD785	Onsemi	NPN	DARLINGTON	NO	50 MHz	15 W	4 A		Other Transistors	40	150 Cel	TIN LEAD	e0	235
2SC4457	Onsemi	NPN	SINGLE	NO	18 MHz	40 W	4 A	1	Other Transistors	15
2SD1816T	Onsemi	NPN	SINGLE	YES	180 MHz	20 W	4 A	1	Other Transistors	200	150 Cel
2SC5416LS	Onsemi	NPN	SINGLE	NO		25 W	4 A	1	Other Transistors	30
2SD1348	Onsemi	NPN	SINGLE	NO	150 MHz	10 W	4 A	1	Other Transistors	100	150 Cel
2SD1725Q	Onsemi	NPN	SINGLE	NO	180 MHz	20 W	4 A	1	Other Transistors	70	150 Cel
2SB1168T	Onsemi	PNP	SINGLE	NO	180 MHz	20 W	4 A	1	Other Transistors	200	140 Cel
2SC4597L	Onsemi	NPN	SINGLE	YES	20 MHz	40 W	4 A	1	Other Transistors	15	150 Cel
2SC4837R	Onsemi	NPN	SINGLE	NO		1.5 W	4 A	1	Other Transistors	100	150 Cel
2SC6106(TP)	Onsemi	NPN	SINGLE	NO		30 W	4 A	1	Other Transistors	40	150 Cel
2SB1168	Onsemi	PNP	SINGLE	NO	180 MHz	20 W	4 A	1	Other Transistors	70	140 Cel
2SD1348U	Onsemi	NPN	SINGLE	NO	150 MHz	10 W	4 A	1	Other Transistors	280	150 Cel
2SC3448	Onsemi	NPN	SINGLE	NO	18 MHz	60 W	4 A	1	Other Transistors	15	150 Cel
2SC4597	Onsemi	NPN	SINGLE	YES	20 MHz	40 W	4 A	1	Other Transistors	15	150 Cel
2SB1216T	Onsemi	PNP	SINGLE	YES	130 MHz	20 W	4 A	1	Other Transistors	200	150 Cel
2SD1348R	Onsemi	NPN	SINGLE	NO	150 MHz	10 W	4 A	1	Other Transistors	100	150 Cel
2SB1216Q	Onsemi	PNP	SINGLE	YES	130 MHz	20 W	4 A	1	Other Transistors	70	150 Cel
2SC5265	Onsemi	NPN	SINGLE	NO		30 W	4 A	1	Other Transistors	30	150 Cel
2SC4837T	Onsemi	NPN	SINGLE	NO		1.5 W	4 A	1	Other Transistors	200	150 Cel
2SC4837S	Onsemi	NPN	SINGLE	NO		1.5 W	4 A	1	Other Transistors	140	150 Cel
2SB1471	Onsemi	PNP	DARLINGTON	NO	20 MHz	30 W	4 A		Other Transistors	2000
2SA1827R	Onsemi	PNP	SINGLE	NO		1.5 W	4 A	1	Other Transistors	100	150 Cel
2SA1855T	Onsemi	PNP	SINGLE	NO		1.5 W	4 A	1	Other Transistors	200	150 Cel
2SA1855S-AY	Onsemi	PNP	SINGLE	NO		1.5 W	4 A	1	Other Transistors	140	150 Cel	Tin/Copper/Silver/Nickel (Sn/Cu/Ag/Ni)
2SA1855	Onsemi	PNP	SINGLE	NO		1.5 W	4 A	1	Other Transistors	100
2SA1827S	Onsemi	PNP	SINGLE	NO		1.5 W	4 A	1	Other Transistors	140	150 Cel
2SA1827	Onsemi	PNP	SINGLE	NO		1.5 W	4 A	1	Other Transistors	100
2SA1855S	Onsemi	PNP	SINGLE	NO		1.5 W	4 A	1	Other Transistors	140	150 Cel
2SA1855R	Onsemi	PNP	SINGLE	NO		1.5 W	4 A	1	Other Transistors	100	150 Cel
2SA1827S-AY	Onsemi	PNP	SINGLE	NO		1.5 W	4 A	1	Other Transistors	140	150 Cel	Tin/Copper/Silver/Nickel (Sn/Cu/Ag/Ni)
2SA1827T	Onsemi	PNP	SINGLE	NO		1.5 W	4 A	1	Other Transistors	200	150 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.