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Transistor

The development and application of transistors have played
a crucial role in the development of modern electronic technology.
In computer technology, for example, transistors are used to
build logic circuits that perform various computing functions.
In addition, transistors are also used in radio communication,
household appliances and other fields, which has greatly
promoted the development and progress of information technology.
The invention and application of the transistor not only changed
people's way of life, but also provided strong technical support
for industry, military, scientific research and other fields.

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Description

The Transistor is one of the basic components of semiconductors, has

the current amplification effect, and is the core component of electronic

circuits. Transistor is to make two PN junctions that are close to each

other on a semiconductor substrate. The two PN junctions divide the

whole semiconductor into three parts, the middle part is the base area,

the two sides are the emission area and the collector area, and the

arrangement is PNP And NPN.

Part No.	Package	Type	PC(W)	IC(A)	BVCBO(V)	BVCEO(V)	BVEBO(V)	Hfe(Min.)	Hfe(Max.)	Hfe(Condition)	VCE(sat)(V)	VCE(sat)(Condition)
WT2222A	SOT-23	NPN	0.3	0.6	75	40	6	200	300	1mA / 5V	0.3	150mA / 15mA
WT2712	SOT-23	NPN	0.15	0.15	60	50	5	200	400	2mA / 6V	0.25	100mA /10mA
WT3904	SOT-23	NPN	0.235	0.2	60	40	6	100	300	10mA / 1V	0.3	50mA / 5mA
WT5551	SOT-23	NPN	0.3	0.6	180	160	6	100	200	1mA / 5V	0.15	10mA / 1mA
WT8050	SOT-23	NPN	0.3	0.8	40	25	5	200	350	50mA / 1V	0.6	500mA / 50mA
WT9013	SOT-23	NPN	0.3	0.5	40	25	5	200	350	1mA / 5V	0.6	500mA / 50mA
WT9014	SOT-23	NPN	0.2	0.1	50	45	5	200	450	1mA / 5V	0.3	100mA / 5mA
WT817	SOT-23	NPN	0.25	0.5	50	45	5	160	400	100mA / 1V	0.7	500mA / 50mA
WT846B	SOT-23	NPN	0.2	0.1	80	65	6	200	450	2mA / 5V	0.5	100mA / 5mA
WT847B	SOT-23	NPN	0.2	0.1	50	45	6	200	450	2mA / 5V	0.5	100mA / 5mA
WTS8050	SOT-23	NPN	0.3	1.5	40	25	5	200	350	100mA / 1V	0.5	800mA / 80mA
WT4401	SOT-23	NPN	0.3	0.6	40	60	6	100	300	150mA / 1V	0.4	150mA / 15mA
WT2907A	SOT-23	PNP	0.25	-0.6	-60	-60	-5	100	300	1mA / 5V	-0.4	150mA / 15mA
WT3906	SOT-23	PNP	0.2	-0.2	-40	-40	-5	100	300	1mA / 5V	-0.3	50mA / 5mA
WT5401	SOT-23	PNP	0.3	-0.6	-160	-150	-5	100	300	1mA / 5V	-0.2	10mA / 1mA
WT8550	SOT-23	PNP	0.3	-0.8	-40	-25	-5	160	320	50mA / 1V	-0.6	500mA / 50mA
WT9012	SOT-23	PNP	0.3	-0.5	-40	-25	-5	200	350	1mA / 5V	-0.6	500mA / 50mA
WT807	SOT-23	PNP	0.3	-0.5	-50	-45	-5	160	400	100mA / 1V	-0.7	500mA / 50mA
WT807C	SOT-23	PNP	0.3	-0.5	-50	-45	-5	250	600	100mA / 1V	-0.7	500mA / 50mA
WT856B	SOT-23	PNP	0.2	-0.1	-80	-65	-5	220	475	2mA / 5V	-0.5	100mA / 5mA
WT857B	SOT-23	PNP	0.2	-0.1	-50	-45	-5	220	475	2mA / 5V	-0.5	100mA / 5mA
WT858B	SOT-23	PNP	0.2	-0.1	-30	-30	-5	220	475	2mA / 5V	-0.5	100mA / 5mA
WTS8550	SOT-23	PNP	0.3	-1.5	-40	-25	-5	200	350	100mA / 1V	-0.5	800mA / 80mA
WT4403	SOT-23	PNP	0.3	-0.6	-40	-40	-5	100	300	150mA / 2V	-0.4	150mA / 15mA
WT847BW	SOT-323	NPN	0.2	0.1	50	45	6	200	450	2mA / 5V	0.6	100mA / 5mA
WT817G	SOT-323	NPN	0.25	0.5	50	45	5	160	400	100mA / 1V	1.2	500mA / 50mA
WT3904DW	SOT-363	Dual NPN	0.2	0.2	60	40	5	100	300	10mA / 1V	0.3	50mA / 5mA
WT3906DW	SOT-363	Dual PNP	0.2	-0.2	-40	-40	-5	100	300	10mA / 1V	-0.4	50mA / 5mA
WT3946DW	SOT-363	NPN	0.2	0.2	60	40	5	100	300	10mA / 1V	0.3	50mA / 5mA
WT3946DW	SOT-363	PNP	0.2	-0.2	-40	-40	-5	100	300	10mA / 1V	-0.4	50mA / 5mA
WT3904T	SOT-523	NPN	0.15	0.2	60	40	6	100	300	10mA / 1V	0.3	50mA / 5mA
WT2222AT	SOT-523	NPN	0.15	0.6	75	40	6	100	300	150mA / 10V	0.3	150mA / 15mA
WT3906T	SOT-523	PNP	0.15	-0.2	-40	-40	-5	100	300	10mA / 1V	-0.4	50mA / 5mA
WT3904H	SOT-723	NPN	0.1	0.2	60	40	6	100	300	10mA / 1V	0.3	50mA / 5mA
WT3906H	SOT-723	PNP	0.1	-0.2	-40	-40	-5	100	300	10mA / 1V	-0.3	50mA / 5mA
WT5551N	SOT-223	NPN	1	0.6	180	160	6	80	250	10mA / 5V	0.2	50mA / 5mA
WT955	SOT-223	PNP	3	-4	-180	-140	-6	100	300	1A / 5V	-0.15	1A / 100mA
WT772	SOT-89	PNP	0.5	-3	-40	-30	-6	200	400	1A / 2V	-0.45	2A /200mA
WT5401J	SOT-89	PNP	0.5	-0.5	-160	-150	-5	60	300	10mA / 5V	-0.2	10mA / 1mA
WT3904F	DFN1006-3L	NPN	0.1	0.2	60	40	6	100	300	10mA / 1V	0.3	50mA / 5mA
WT3906F	DFN1006-3L	PNP	0.1	-0.2	-40	-40	-5	100	300	10mA / 1V	-0.25	10mA / 1mA
WT491	SOT-23	NPN	0.5	1	80	60	7	100	300	500mA / 5V	0.3	1A / 100mA
WTA56	SOT-23	PNP	0.31	-0.5	-80	-80	-4	100	400	10mA / 1V	-0.25	100mA / 10mA
WTA06	SOT-23	NPN	0.31	0.5	80	80	4	100	400	10mA / 1V	0.25	100mA / 10mA
WT2222AH	SOT-723	NPN	0.3	0.6	75	40	6	200	300	1mA / 5V	0.3	150mA / 15mA
WT9110	SOT-89	PNP	0.5	-1	-100	-80	-5	100	250	150mA / 2V	-0.5	500mA / 50mA
WT8110	SOT-89	NPN	0.5	1	100	80	5	100	250	150mA / 2V	0.5	500mA / 50mA
WT5551DW	SOT-363	Dual NPN	0.3	0.6	180	160	6	100	200	1mA / 5V	0.15	10mA / 1mA
WT5401DW	SOT-363	Dual PNP	0.3	-0.6	-160	-150	-5	100	300	1mA / 5V	-0.2	10mA / 1mA
WT3904G	SOT-323	NPN	0.3	0.2	60	40	6	100	300	10mA / 1V	0.3	50mA / 5mA