，，。 High fT, small CC.rbb, and high gain, small NF. / Applications 。 High-Frequency amplifier transistor / Equivalent Circuit / Pinning 3 2 1 PIN1：Emitter PIN 2：.

。 High-Frequency amplifier transistor / Equivalent Circuit / Pinning 3 2 1 PIN1：Emitter PIN 2：Base PIN 3：Collector.

SOT-323 NPN 。Silicon NPN transistor in a SOT-323 Plastic Package.  / Features ，，。 High fT, small CC.rbb, and high gain, small NF. / Applications 。 High-Frequency amplifier transistor / Equivalent Circuit / Pinning 3 2 1 PIN1：Emitter PI.

2SC4080

2SC4081

2SC4081-A

2SC4081-B

2SC4081-C

2SC4081F

2SC4081FRA

2SC4081U3

2SC4081UB

2SC4081W

2SC4082

2SC4084

2SC400