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2N4858A

JFET transistor, N-channel type, enclosed in a TO-18 package made of silicon, capable of withstanding voltages up to 40 volts

Manufacturer:

Interfet
Mfr.Part #:

2N4858A
Datasheet:

2N4858A Datasheet (PDF)
Technology:

Si
Mounting Style:

Through Hole
Transistor Polarity:

N-Channel
Configuration:

Single
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2N4858A General Description

The 2N4858A is a silicon N-channel JFET (Junction Field-Effect Transistor) designed for high-speed switching applications. It is commonly used in various electronic circuits where low noise and high gain are required. Some of the key specifications of the 2N4858A include a maximum drain-source voltage of 40V, a maximum gate-source voltage of -30V, and a maximum drain current of 5mA. The device features a low input capacitance of 4 pF, making it suitable for high-frequency applications.The 2N4858A has a low ON-state resistance of 20 ohms, allowing for efficient current flow and minimal power dissipation. It also has a high transition frequency of 300 MHz, making it suitable for use in high-speed switching circuits.The JFET is housed in a TO-18 package, which provides mechanical protection and easy mounting. It is also RoHS compliant, ensuring that it meets environmental standards for electronics manufacturing.

Key Features

High voltage N-channel JFET
Low noise and input capacitance
Enhanced temperature and thermal stability
Suitable for high-frequency applications
Designed for audio amplifiers, oscillators, and analog switches
Available in TO-92 package

Application

RF amplification in high frequency applications
Microwave communication systems
Satellite communication systems
Radar systems
Wireless networking devices
Broadcasting equipment
Medical imaging equipment
Industrial automation systems
Test and measurement instruments
Military and defense systems

Specifications

Product Category	JFET	Technology	Si
Mounting Style	Through Hole	Transistor Polarity	N-Channel
Configuration	Single	Vgs - Gate-Source Breakdown Voltage	- 40 V
Gate-Source Cutoff Voltage	- 4 V	Rds On - Drain-Source Resistance	60 Ohms
Pd - Power Dissipation	1.8 W	Product Type	JFETs
Factory Pack Quantity	1	Subcategory	Transistors
Type	JFET

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Ratings and Reviews

Z**y 09/17/2023

Good quality product arrive all thanks

T**r 02/17/2023

There were a few problems with delivery, but the seller very quickly and well solved everything. The goods are good, the flux is washed, the nozzle is not visible. Definitely i will buy in this store more.

F**l 03/11/2022

Chips from different batch

L**y 11/21/2020

Everything is fine, workers, by the parameters to see in no way