IRF9640S Ficha técnica y distribución de pines | Precio equivalente
- Marcas: Vishay Siliconix
- Descargar: Hoja de datos del IRF9640S (PDF)
- Precio: consulta
- En stock: 10,842
- Tipo de FET: Canal P
- Voltaje de drenaje a fuente (Vdss): 200 voltios
- Drenaje continuo de corriente (Id) a 25 °C: 11A (Tc)
- Paquete: D²PAK (TO-263)

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Key Features of the IRF9640S
The IRF9640S is a P-channel MOSFET designed for high-performance power management. With a low Rds(on), it ensures minimal power loss and efficient energy conversion. It’s ideal for applications requiring high voltage and current handling, such as in motor control, switching regulators, and power supplies. The MOSFET features a fast switching speed, which helps reduce losses and improve efficiency in fast-switching applications. It also offers robust thermal performance, making it reliable even under high load conditions. Its wide voltage range makes it a versatile component for various power electronics systems.
IRF9640S Pinout
Número PIN | Nombre del pin | Descripción |
---|---|---|
1 | Drenar | The drain pin connects to the load. This is the main pin for current flow from the MOSFET. |
2 | Puerta | The gate pin is used to control the MOSFET switching. A voltage applied here will turn the MOSFET on or off. |
3 | Fuente | The source pin connects to the negative side of the circuit, typically the ground in P-channel MOSFETs. |
Pinout Usage and Notes
The IRF9640S MOSFET operates as a P-channel device, so when using this in a circuit, ensure that the gate is pulled to a lower potential relative to the source to turn it on. Keep in mind that proper heat management is necessary since this MOSFET can handle significant current. When designing the circuit, make sure to connect the drain to the load and the source to the negative rail of your system for optimal operation.
IRF9640S Equivalent Models
Modelo | Vds (Max) | Id (Max) | Rds(on) | Gate Charge | Tipo de paquete |
---|---|---|---|---|---|
IRF9640S | -40V | -16A | 0.25Ω | 35nC | TO-220 |
IRFZ44N | -55V | -49A | 0.022Ω | 67 nC | TO-220 |
STP55NF06L | -60V | -55A | 0.018Ω | 80 nC | TO-220 |
FQP27P06 | -60V | -27A | 0.1Ω | 60 nC | TO-220 |
Equivalent Models Usage and Notes
If you’re looking for alternatives to the IRF9640S, the IRFZ44N, STP55NF06L, and FQP27P06 are good replacements with similar or better performance in terms of voltage handling and current capacity. However, pay attention to the Rds(on) value and gate charge, as these will impact efficiency, especially in high-speed applications. The package type is the same, so these can easily be swapped in designs that use the IRF9640S. Be sure to check the specific requirements of your application (voltage, current, efficiency) to choose the most suitable alternative.
Uses of the IRF9640S
The IRF9640S is a versatile P-channel MOSFET commonly used in power management applications. It’s ideal for motor control, power supplies, and switching regulators, where efficiency and reliability are key. Thanks to its low Rds(on), it minimizes power loss, making it great for energy-efficient designs. This MOSFET is also widely used in high-voltage circuits and battery-powered systems due to its robust current-handling capabilities. Whether you’re building a motor driver or designing a power converter, the IRF9640S offers solid performance in a variety of power electronics applications.
IRF9640S Circuit Analysis
The IRF9640S is a P-channel MOSFET widely used in power electronics for switching applications. In a typical circuit, it acts as a high-side switch, controlling the flow of current from the source to the drain. To turn the MOSFET on, a negative voltage is applied to the gate relative to the source. This allows current to flow from the source to the drain, powering the connected load.
When designing circuits with the IRF9640S, it’s crucial to ensure that the gate voltage is sufficiently negative to fully turn on the MOSFET. Additionally, proper heat dissipation is necessary, as the device can dissipate up to 125W when mounted on a suitable heatsink. Also, ensure that the source is connected to the positive side of the power supply, as current flows from source to drain in a P-channel MOSFET.
For more detailed information, refer to the IRF9640S datasheet.