The 2SC4571 is Silicon NPN RF Transistor made by Inchange Semiconductor.
2SC4571 pinout

Brief overview of the content in a 2SC4571 PDF file

INCHANGE Semiconductor isc RF Product Specification isc Silicon NPN RF Transistor 2SC4571 DESCRIPTION High Current Gain Bandwidth Product fT 5 0 GHz TYP VCE 5 V IC 5 mA f 1 0 GHz Low COB 0 9pF TYP VCB 5 V IE 0 f 1 0 MHz APPLICATIONS Designed for use in UHF oscillator and mixer ABSOLUTE MAXIMUM RATINGS Ta 25 SYMBOL PARAMETER VALUE UNIT VCBO Collector Base Voltage 20 V VCEO Collector Emitter Voltage 12 V VEBO Emitter Base Voltage 3 0 V IC Collector Current Continuous Collector Power Dissipation TC 25 Junction Temperature 60 mA PC 0 12 W TJ 125 Tstg Storage Temperature Range 55 125 isc Website www iscsemi cn Free Datasheet http www INCHANGE Semiconductor isc RF Product Specification isc Silicon NPN RF Transistor ELECTRICAL CHARACTERISTICS TC 25 unless otherwise specified SYMBOL PARAMETER CONDITIONS MIN 2SC4571 TYP MAX UNIT ICBO Collector Cutoff Current VCB 15V IE 0 0 1 A A IEBO Emitter Cutoff Current VEB 1V IC 0 0 1 VCE sat hFE Collector Emitter Saturation Voltage IC 5mA IB 0 5mA 0 5 V DC Current Gain IC 5mA VCE 5V 40 200 fT Current Gain Bandwidth Product IC 5mA VCE 5V 5 0 GHz COB S21e 2 Output Cap

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Characteristics of NPN Transistors

1. Bipolar Junction: NPN transistors are bipolar junction transistors (BJT), meaning they have a structure consisting of three regions of alternating P-type and N-type semiconductors.

2. Current Amplification: NPN transistors are designed to amplify electrical current, and can be used in a wide range of electronic applications such as amplifiers, switches, and oscillators.

3. Forward Biased: In order to operate, the base-emitter junction of an NPN transistor must be forward biased, meaning that the base must be connected to a positive voltage relative to the emitter.

4. High Input Impedance: NPN transistors have a high input impedance, which means that they are less likely to draw current from the input source, and are therefore less likely to cause a drop in voltage across the source.

5. Inverted Output: NPN transistors are known for producing an inverted output relative to their input.

Manufacturers : Inchange Semiconductor

ISC - 2SC4571 Datasheet PDF


Silicon NPN RF Transistor

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