What is 2SC1251?


This is NPN SILICON RF POWER TRANSISTOR.

A NPN transistor is a type of bipolar junction transistor (BJT) that consists of two p-type semiconductor materials separated by a single n-type material.
The NPN transistor is used to amplify or switch electronic signals and is widely used in many electronic circuits. It works by controlling the current flow between the collector and emitter terminals through the base terminal.


[PDF] Complete Technical Details can be found in the 2SC1251 datasheet provided at this page.

Summary in PDF File


2SC1251 NPN SILICON RF POWER TRANSISTOR DESCRIPTION The 2SC1251 is a Common Emitter Device Designed for High Linearity Class A Amplifiers up to 2 0 GHz FEATURES INCLUDE Direct Replacement for NE74020 High Gain 10 dB min 1 0 GHz Gold Metalization PACKAGE STYLE 204 4L STUD MAXIMUM RATINGS IC VCB PDISS TJ TSTG JC O O 300 mA 45 V 5 3W TC 25 C 65 C to 200 C 65 C to 150 C 33 C W O O O O 1 COLLECTOR 2 4 EMITTER 3 BASE CHARACTERISTICS SYMBOL BVCEO BVCBO BVEBO hFE COB PG P1dB TC 25 C O TEST CONDITIONS IC 10 mA IC 10 mA IE 1 0 mA VCE 5 0 V VCB 15 V VCE 15 V IC 100 mA IC 100 mA f 1 0 MHz POUT 0 5 W f 1000 MHz MINIMUM TYPICAL MAXIMUM 25 45 3 0 20 200 3 0 13 27 29 UNITS V V V pF dB dBm A D V A N C E D S E M I C O N D U C T O R I N C 7525 ETHEL AVENUE NORTH HOLLYWOOD CA 91605 818 982 1200 FAX 818 765 3004 Specifications are subject to change without notice REV A 1 2 TVU005B S PARAMETERS VCE 20 Volts FREQ MHz 100 200 300 400 500 600 700 800 900 1 000 ID 150 mA S12 S22 ANG 30 30 30 30 35 35 35 40 45 45 S11 MAG 0 735 0 840 0 860 0 857 0 855 0 850 0 850 0 850 0 855 0 860 S21 ANG 190 188 181 178 173 170 168 165 163 161 MAG 13 65 8 15 5 75 4 25 3 50 2 80 2 45

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[ Detailed Data ]


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 : Advanced Semiconductor

ADVANCED - 2SC1251 Datasheet PDF

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NPN SILICON RF POWER TRANSISTOR

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