Allicdata Part #: | PN4393-ND |
Manufacturer Part#: |
PN4393 |
Price: | $ 0.00 |
Product Category: | Discrete Semiconductor Products |
Manufacturer: | ON Semiconductor |
Short Description: | TRANSISTOR SWITCH N-CH SS TO-92 |
More Detail: | JFET |
DataSheet: | PN4393 Datasheet/PDF |
Quantity: | 1000 |
1 +: | 0.00000 |
Series: | -- |
Part Status: | Obsolete |
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PN4393 JFET Application Field and Working Principle
Junction Field-effect Transistors (JFETs) are among the most commonly used transistors, and the PN4393 JFET is one of their most popular types. This article will provide information on the application fields and working principles of the PN4393 JFET.
Application Field of the PN4393 JFET
The PN4393 JFET is mainly used in medium power amplifier applications such as small-signal amplifiers, circuitry for radio receivers and transmitters, high frequency amplifiers in commercial and industrial radio equipment, class-A audio amplifiers, and tone circuit design. It is also used as a source or load element in switching circuits, comparator circuits, and other linear applications.
Thanks to its impressive features which include high input impedance, high linearity, low noise, and low distortion, the PN4393 offers superior performance over other transistors. Its low capacitance, low maximum reverse drain-source leakage current, and low maximum gate leakage current make it an ideal choice for various applications. This device can be used with voltages up to 100V and is especially suitable for low-frequency applications.
Working Principle of the PN4393 JFET
The PN4393 JFET is a self-biased, three-terminal semiconductor device where current through the normally off JFET channel is controlled by a voltage applied to the gate terminal. This device is usually operated in the pinch-off mode, which means the resistance between the drain and source terminals is controlled by a negative gate bias with respect to the source. This provides the gate-to-source voltage with a gate-source negative bias, allowing a higher control of the channel current as the gate-source voltage is reduced.
In operation, the PN4393 JFET functions as a closed switch when the gate-source voltage is negative. This increases the source-to-drain resistance, making the device suitable for applications where very high input impedance is desired. On the other hand, when the gate voltage is increased to a point where it becomes positive with respect to the source, the switch is opened, and a very high current can flow through the channel. This is why the PN4393 is used in amplifying applications, as it can provide high current amplification at extremely low voltages.
Conclusion
The PN4393 JFET is an important component for many applications because of its excellent performance. Its high input impedance, low noise, and low distortion make it a great choice for use in amplifying applications. It also has a low gate leakage current, which helps provide the device with excellent reliability. The PN4393 is an ideal choice for both low-frequency and high-frequency applications, and it can handle voltages up to 100V.
The specific data is subject to PDF, and the above content is for reference
Part Number | Manufacturer | Price | Quantity | Description |
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PN4391 TRE | Central Semi... | 0.26 $ | 4000 | JFET N-CH 40V 0.625W TO92... |
PN4393 | ON Semicondu... | 0.0 $ | 1000 | TRANSISTOR SWITCH N-CH SS... |
PN4392 | ON Semicondu... | 0.0 $ | 1000 | JFET N-CH 30V 625MW TO92J... |
PN4391 | ON Semicondu... | -- | 1000 | JFET N-CH 30V 625MW TO92J... |
PN4303 | ON Semicondu... | 0.0 $ | 1000 | JFET N-CH 30V 625MW TO92J... |
PN4302 | ON Semicondu... | 0.0 $ | 1000 | JFET N-CH 30V 625MW TO92J... |
PN4393 TRA | Central Semi... | 0.0 $ | 1000 | JFET N-CH 40V 0.625W TO92... |
PN4303_D26Z | ON Semicondu... | 0.0 $ | 1000 | JFET N-CH 30V 625MW TO92J... |
PN4391_D26Z | ON Semicondu... | 0.0 $ | 1000 | JFET N-CH 30V 625MW TO92J... |
PN4391_D27Z | ON Semicondu... | 0.0 $ | 1000 | JFET N-CH 30V 625MW TO92J... |
PN4391_D75Z | ON Semicondu... | 0.0 $ | 1000 | JFET N-CH 30V 625MW TO92J... |
PN4392_D26Z | ON Semicondu... | 0.0 $ | 1000 | JFET N-CH 30V 625MW TO92J... |
PN4392_D27Z | ON Semicondu... | 0.0 $ | 1000 | JFET N-CH 30V 625MW TO92J... |
PN4392_D75Z | ON Semicondu... | 0.0 $ | 1000 | JFET N-CH 30V 625MW TO92J... |
PN4393_D26Z | ON Semicondu... | 0.0 $ | 1000 | JFET N-CH 30V 625MW TO92J... |
PN4393_D27Z | ON Semicondu... | 0.0 $ | 1000 | JFET N-CH 30V 625MW TO92J... |
PN4393_D74Z | ON Semicondu... | 0.0 $ | 1000 | JFET N-CH 30V 625MW TO92J... |
PN4393_D75Z | ON Semicondu... | 0.0 $ | 1000 | JFET N-CH 30V 625MW TO92J... |
PN4355 | ON Semicondu... | 0.0 $ | 1000 | TRANS PNP 60V 0.8A TO-92B... |
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RSF1WSJT-PN43K | Yageo | 0.02 $ | 1000 | RES METAL OXIDE 1W 5% AXI... |
RSF1WSJT-PN43R | Yageo | 0.02 $ | 1000 | RES METAL OXIDE 1W 5% AXI... |
CFR-25JR-PN430K | Yageo | 0.01 $ | 1000 | RES 5% 1/4W AXIAL430 kOhm... |
CFR-25JR-PN430R | Yageo | 0.01 $ | 1000 | RES 5% 1/4W AXIAL430 Ohms... |
CFR-25JR-PN43K | Yageo | 0.01 $ | 1000 | RES 5% 1/4W AXIAL43 kOhms... |
CFR-25JR-PN43R | Yageo | 0.01 $ | 1000 | RES 5% 1/4W AXIAL43 Ohms ... |
RSF50SJR-PN430K | Yageo | 0.01 $ | 1000 | RES METAL OXIDE 1/2W 5% A... |
RSF50SJR-PN430R | Yageo | 0.01 $ | 1000 | RES METAL OXIDE 1/2W 5% A... |
RSF50SJR-PN43K | Yageo | 0.01 $ | 1000 | RES METAL OXIDE 1/2W 5% A... |
RSF50SJR-PN43R | Yageo | 0.01 $ | 1000 | RES METAL OXIDE 1/2W 5% A... |
RSF50SJT-PN430K | Yageo | 0.01 $ | 1000 | RES METAL OXIDE 1/2W 5% A... |
RSF50SJT-PN430R | Yageo | 0.01 $ | 1000 | RES METAL OXIDE 1/2W 5% A... |
RSF50SJT-PN43K | Yageo | 0.01 $ | 1000 | RES METAL OXIDE 1/2W 5% A... |
RSF50SJT-PN43R | Yageo | 0.01 $ | 1000 | RES METAL OXIDE 1/2W 5% A... |
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