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See Technical Specifications

2N4427 +BOM

Power-efficient NPN transistor for TO- package

Manufacturer:

Microchip
Mfr.Part #:

2N4427
Datasheet:

2N4427 Datasheet (PDF)
Transistor Type:

NPN
Voltage - Collector Emitter Breakdown (Max):

40V
Frequency - Transition:

500MHz
Gain:

10dB @ 175MHz
EDA/CAD Models:

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2N4427 General Description

The 2N4427 is a bipolar junction transistor (BJT) that is typically used for general-purpose amplification and switching applications. It is part of the 2N series of transistors, which includes a variety of NPN and PNP transistors designed for different voltage, current, and power requirements.

Key Features

Silicon NPN, To-39 packaged VHF/UHF Transistor
1 Watt Minimum Power Output @ 175 MHz
500 MHz Current-Gain Bandwidth Product @ 50mA
Power Gain, GPE = 10dB (Min) @ 175 MHz

Application

Amplifiers: It can be used in small-signal amplification stages of audio amplifiers, preamplifiers, and RF (radio frequency) amplifiers.
Switching Applications: The transistor can be used as a switch to control larger currents or voltages by applying a smaller control current to the base terminal.
Oscillators: It can be used in oscillator circuits for generating different waveforms.
Signal Processing: In signal processing circuits and analog electronics.
Audio Applications: Commonly used in audio amplifier circuits for amplifying low-level audio signals.
Voltage Regulators: It can be part of voltage regulator circuits to stabilize and control output voltage.
General Electronics: Used in various electronic projects and prototypes for signal amplification and switching purposes.

Specifications

Category	Discrete Semiconductor ProductsTransistorsBipolar (BJT)Bipolar RF Transistors	Series	-
Transistor Type	NPN	Voltage - Collector Emitter Breakdown (Max)	40V
Frequency - Transition	500MHz	Noise Figure (dB Typ @ f)	-
Gain	10dB @ 175MHz	Power - Max	1W
DC Current Gain (hFE) (Min) @ Ic, Vce	10 @ 100mA, 5V	Current - Collector (Ic) (Max)	400mA
Operating Temperature	-	Mounting Type	Through Hole
place	United States of America	launch_date	Aug 7, 2014
last_inspection_date	13 MAY 2023	supplier_cage_code	2D085
htsusa		schedule_b
ppap	False	aec