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2N3819

JFET N-CH -25V 10mA BULK

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2N3819 General Description

The 2N3819 is a small-signal N-channel JFET designed for low-power amplifier and switching applications. JFETs are voltage-controlled devices and are often used for signal amplification and impedance matching purposes. The 2N3819 offers high input impedance and low noise characteristics, making it suitable for applications where low signal distortion and high sensitivity are required.

2n3819 2n3819

Key Features

  • N-Channel JFET: The 2N3819 is an N-channel JFET, which means it conducts current when a negative voltage is applied to its gate terminal.
  • High Input Impedance: The transistor has a high input impedance, which makes it suitable for use in high-impedance circuits where signal attenuation needs to be minimized.
  • Low Noise: The 2N3819 is known for its low noise characteristics, making it ideal for use in audio amplifiers and other sensitive signal processing applications.
  • Low Power Consumption: This transistor operates at low power levels, making it suitable for battery-powered or low-power applications.
  • Wide Operating Voltage Range: It typically operates within a wide voltage range, typically up to 25 volts, allowing for versatile use in different circuit designs.
  • Small Package: The 2N3819 is available in a TO-92 package, which is a small, through-hole package that is commonly used in discrete component circuits.
2n3819 2n3819

Application

  • Low-Noise Amplifiers: It is commonly used in low-noise amplifier circuits, such as in audio amplifiers, radio receivers, and sensitive instrumentation.
  • Impedance Matching: The transistor's high input impedance makes it suitable for impedance matching circuits, such as in antenna tuners and RF filters.
  • Switching Circuits: It can be used as a low-power switch in digital or analog circuits, such as in signal routing and switching applications.
  • Oscillators: The 2N3819 can be used in oscillator circuits for generating RF signals or for frequency control purposes.
2n3819 2n3819

Specifications

Status Obsolete Case Outline 29-11
MSL Temp (°C) 0 Container Type BLKBX

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K
K**n 11/22/2023

Perfect leds ! Thanks !

19
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I**c 11/07/2022

I ordered 2 times, the delivery is relatively fast, the track glows, but this time the fee came all in flux. For which and 3 stars. In general, the seller is normal.

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M**d 09/10/2020

Excellent communication, very fast response.

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2N3819 Datasheet PDF

Preliminary Specification 2N3819 PDF Download

2N3819 PDF Preview

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Availability: 4159 PCS

+BOM
Qty. Unit Price Ext. Price
1+ $1.644 $1.64
200+ $0.656 $131.20
500+ $0.635 $317.50
1000+ $0.624 $624.00

The prices below are for reference only.

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