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NPN Transistors

Bipolar transistors are so named because their operation involves both electrons and holes. These two kinds of charge carriers are characteristic of the two kinds of doped semiconductor material; electrons are majority charge carriers in n-type semiconductors, whereas holes are majority charge carriers in p-type semiconductors. In contrast, unipolar transistors such as the field-effect transistors have only one kind of charge carrier.

Charge flow in a BJT is due to diffusion of charge carriers across a junction between two regions of different charge concentrations. The regions of a BJT are called emitter, collector, and base.

BJTs come in two types, or polarities, known as PNP and NPN based on the doping types of the three main terminal regions. An NPN transistor comprises two semiconductor junctions that share a thin p-doped anode region, and a PNP transistor comprises two semiconductor junctions that share a thin n-doped cathode region

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2SC4468 2SC5198 T03P NPN Audio Transistor (complementary 2SA1695)
2SC4468 2SC5198 T03P NPN Audio Transistor complementary 2SA1695 ..
R49.90
Ex Vat: R43.39
2SC4883A TO-220 180v 2A NPN Audio Transistor
2SC4883A TO-220 180v 2A NPN Audio Transistor ..
R24.71
Ex Vat: R21.49
2SC5200 NPN Transistor 15A 230V 3Pin TO-3PL (complementary 2SA1943)
2SC5200 NPN Transistor 15A 230V 3Pin TO-3PL (complementary 2SA1943) ..
R62.50
Ex Vat: R54.35
2SD1047 140V 12A TO03 NPN Transistor (complementary 2SB817)
2SD1047 140V 12A TO03 NPN Transistor (complementary 2SB817) ..
R55.00
Ex Vat: R47.83
2SD1062 50V 12A TO220 NPN Transistor (complementary 2SB826)
2SD1062 50V 12A TO220 NPN Transistor (complementary 2SB826) ..
R26.50
Ex Vat: R23.04
2SD1555 ISO218 NPN Transistor
2SD1555 ISO218 NPN Transistor Polarity: NPN Maximum collector power dissipation (Pc), W: 50 ..
R39.90
Ex Vat: R34.70
2SD1556 ISO218 1500v 6A NPN HV Transistor
2SD1556 ISO218 1500v 6A NPN HV Transistor  ..
R26.00
Ex Vat: R22.61
2SD2390 Darlington 160v 10A (Complement to type 2SB1560)
2SD2390 Darlington  160v 10A (Complement to type 2SB1560) BIN ..
R69.90
Ex Vat: R60.78
2SD2560 Darlington Audio NPN Transistor (complementary 2SB1647)
2SD2560 Darlington Audio NPN Transistor (complementary 2SB1647) Polarity: NPN Maximum collecto..
R49.90
Ex Vat: R43.39
2SD525 2SD525-Y TO220 NPN Triple Diffused Transistor
2SD525 2SD525-Y TO220 NPN Triple Diffused Transistor  ..
R15.00
Ex Vat: R13.04
2SD600K 1A 120V 8W 130MHZ TO-126 NPN (NS) Transistor
2SD600K 1A 120V 8W 130MHZ TO-126 NPN (NS) Compl=2SB631K ..
R25.50
Ex Vat: R22.17
2SD669A 160v 1.5A TO-126 NPN Transistor (complementary B649A)
2SD669A 160v 1.5A TO-126 NPN Transistor (complementary B649A) ..
R6.00
Ex Vat: R5.22
2SK1058 & 2SJ162 TO3P N-MOS P-MOS Transistor
2SK1058 & 2SJ162 TO3P N-MOS P-MOS (Matched Pair) Features: • Good frequency characteristics ..
R345.00
Ex Vat: R300.00
2SK3568 K3568 TO-220F N-channel MOS Transistor
2SK3568 K3568 TO-220F N-channel MOS Transistor ..
R34.50
Ex Vat: R30.00
2SK3667 T220P 600v 7.5A N-MOS Transistor
2SK3667 T220P 600v 7.5A N-MOS Transistor ..
R19.90
Ex Vat: R17.30
3DD200 TO 3 250V 3A NPN Transistor
ELECTRICAL CHARACTERISTICS TC=25°C unless otherwise specified: V(BR)CEO Collector-Emitter Brea..
R5.55
Ex Vat: R4.82
40TPS12A, Thyristor 1200V, 35A 40mA
Specs Value Rated Average On-State Current 35A Thy..
R60.00
Ex Vat: R52.17
BC337-25 TO92 50V 800mA 60mhz NPN Transistor
BC337-25 TO92 50V 800mA 60mhz NPN Transistor ..
R3.00
Ex Vat: R2.61
BC546B TO92 30v 0.5A NPN Ampifier Transistor
BC546B TO92 30v 0.5A NPN Amplifier Transistor ..
R2.00
Ex Vat: R1.74
BC547B 50v 200Mhz NPN Transistor T092 (Ccomplementary BC557)
BC547B 50v 200Mhz NPN Transistor T092 (complementary BC557) APPLICATIONS: WELL SUITED FOR TV A..
R2.90
Ex Vat: R2.52