| Allicdata Part #: | AOB442-ND |
| Manufacturer Part#: |
AOB442 |
| Price: | $ 0.00 |
| Product Category: | Discrete Semiconductor Products |
| Manufacturer: | Alpha & Omega Semiconductor Inc. |
| Short Description: | MOSFET N-CH 40V 21A TO263 |
| More Detail: | N-Channel 40V 21A (Ta), 105A (Tc) 3.5W (Ta), 150W ... |
| DataSheet: |  AOB442 Datasheet/PDF |
| Quantity: | 1000 |
| Vgs(th) (Max) @ Id: | 2.3V @ 250µA |
| Package / Case: | TO-263-3, D²Pak (2 Leads + Tab), TO-263AB |
| Supplier Device Package: | TO-263 (D²Pak) |
| Mounting Type: | Surface Mount |
| Operating Temperature: | -55°C ~ 175°C (TJ) |
| Power Dissipation (Max): | 3.5W (Ta), 150W (Tc) |
| FET Feature: | -- |
| Input Capacitance (Ciss) (Max) @ Vds: | 5600pF @ 20V |
| Vgs (Max): | ±20V |
| Gate Charge (Qg) (Max) @ Vgs: | 90nC @ 10V |
| Series: | SDMOS™ |
| Rds On (Max) @ Id, Vgs: | 4.2 mOhm @ 20A, 10V |
| Drive Voltage (Max Rds On, Min Rds On): | 4.5V, 10V |
| Current - Continuous Drain (Id) @ 25°C: | 21A (Ta), 105A (Tc) |
| Drain to Source Voltage (Vdss): | 40V |
| Technology: | MOSFET (Metal Oxide) |
| FET Type: | N-Channel |
| Part Status: | Obsolete |
| Packaging: | Tape & Reel (TR) |
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AOB 442 is a single For Effect Transistor (FET).It\'s most common use is to control current or voltage in a circuit. AOB 442 is a three-terminal device and its terminals are gate, drain, and source. It has a voltage controlled input which makes it suitable to be used in applications such as radio S-Meter and AGC (Automatic Gain Control) amplifiers.
AOB 442 is a lithographic process driven device and its main application fields are in analog and power circuits. In analog circuits, the AOB 442 can be used as a high input impedance amplifier or voltage-variable resistor. In power circuits, it can be used as a switch or a voltage regulator.
AOB 442 works on the principle of capacitance. When a voltage is applied across the gate-source of the FET, a capacitor is formed between the gate-source. This capacitance primarily depends on the width of the gate-source. As the voltage across the capacitor increases, the current flowing from the drain-source increases. This is known as the transconductance of the transistor. This transconductance can be controlled by the applied gate voltage. This is the working principle of the AOB 442.
The advantages of AOB 442 over other FETs is its high volume production and its large temperature range. It also has low drain-source capacitance and very low drain-source resistance. The other advantages of the AOB 442 are its high input impedances and its low gate-source leakage current. These features make it ideal to be used in audio applications. It can be used as an AGC amplifier, current amplifier or a voltage variable resistor.
In conclusion, AOB 442 is a type of single For Effect Transistor and its main application fields are in analog and power circuits. It works on the principle of capacitance and its main advantage over other FETs is its large temperature range, low drain-source capacitance and very low drain-source resistance. It is ideal to be used in audio applications such as an AGC amplifier, current amplifier or a voltage variable resistor.
The specific data is subject to PDF, and the above content is for reference
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