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2N5457

Name: 2N5457
Rating: 4.7 (12 reviews)

JFET N-CH 25V 0.31W TO-92

제조업체
Mfr.부분 #2N5457
패키지 TO-226-3, TO-92-3 (TO-226AA)
데이터시트
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사양

Supplier	Central Semiconductor Corp
Package	Bulk
ProductStatus	Active
FETType	N-Channel
Voltage-Breakdown(V(BR)GSS)	25 V
DraintoSourceVoltage(Vdss)	25 V
Current-Drain(Idss)@Vds(Vgs=0)	1 mA @ 15 V
Voltage-Cutoff(VGSoff)@Id	500 mV @ 10 nA
InputCapacitance(Ciss)(Max)@Vds	7pF @ 15V
Power-Max	310 mW
OperatingTemperature	-65°C ~ 150°C (TJ)
MountingType	Through Hole
Package/Case	TO-226-3, TO-92-3 (TO-226AA)

개요

Description

The 2N5457 is a widely-used N-channel JFET (Junction Field Effect Transistor) known for its low noise and high input impedance characteristics. It operates in the enhancement mode, allowing it to function as a switch or amplifier in various electronic circuits. The device is especially popular in audio applications due to its low distortion and high frequency response.
Key specifications include a maximum drain-source voltage (V_DS) of 60V, a maximum gate-source voltage (V_GS) of ±20V, and a drain current (I_D) typically up to 30mA. The 2N5457 is often utilized in analog circuits, RF amplifiers, and signal processing applications.
The transistor features three terminals: gate (G), drain (D), and source (S). It can be easily interfaced with microcontrollers and other digital logic devices. Its compact size and robustness make it suitable for both commercial and hobbyist projects. Overall, the 2N5457 is a versatile component essential for various electronic designs.

Features

The 2N5457 is an N-channel JFET (Junction Field Effect Transistor) known for its versatility in various electronic applications. Key features include:
1. Type: N-channel JFET, suitable for low-noise applications.
2. Voltage Rating: Max drain-source voltage (V_DS) is 60V, allowing it to handle a range of applications.
3. Current Rating: Continuous drain current (I_D) is typically up to 20 mA, making it efficient for low-power circuits.
4. Input Impedance: Very high input impedance (typically around 1 GΩ), which minimizes loading effects in circuits.
5. Transconductance: Moderate transconductance (g_m) for reasonable gain and bandwidth in amplifying applications.
6. Low Noise: Offers low noise performance, ideal for audio and RF applications.
7. Package: Available in various packages, including TO-92 and SOT-23, for flexibility in design.
The 2N5457 is widely used in amplifiers, oscillators, and switching applications due to its reliable performance and ease of integration.

Package

The 2N5457 is typically packaged in a TO-92 or similar transistor package, which is a small cylindrical plastic casing suited for through-hole mounting. This package style is commonly used for low-power applications in electronic circuits.

Pinout

The 2N5457 is an N-channel JFET (Junction Field-Effect Transistor) with three terminals. It has the following pin count and functions:
1. Gate (G): Pin 1 - This terminal is used for controlling the conductivity of the channel. It is reverse-biased with respect to the source to create a depletion region.

2. Drain (D): Pin 2 - This terminal is where the output signal is taken. Current flows from the drain to the source when the gate voltage allows conduction.
3. Source (S): Pin 3 - This terminal is connected to the source of the signal, where the current enters the JFET.
The 2N5457 is primarily used in applications such as amplifiers, switches, and analog signal processing due to its high input impedance and low noise characteristics.

Manufacturer

The 2N5457 is a type of N-channel JFET (junction field-effect transistor) primarily manufactured by ON Semiconductor, a company known for its semiconductor products. ON Semiconductor specializes in the design and manufacture of a wide range of electronic components, including analog, power, and mixed-signal devices, as well as discrete semiconductors. The company serves various markets, such as automotive, industrial, and consumer electronics, providing innovative solutions for energy efficiency and signal processing.

Application

The 2N5457 is an N-channel JFET primarily used in low-noise applications, such as audio amplifiers, signal processing, and analog switches. It is suitable for use in RF amplifiers, buffer stages, and as a variable resistor in analog circuits. Additionally, it serves in sensor applications and as a part of the input stage in instrumentation systems due to its high input impedance and low distortion properties.

Equivalent

The 2N5457 is an N-channel JFET. Equivalent products include the 2N5458 and 2N5459 (with different voltage ratings), and other similar JFETs like the J310, which can also be used in similar applications. Always check specific characteristics like V_DS and I_D for compatibility.