IRFP4668PBF

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

The IRFP4668PBF is a standard N-channel MOSFET (Metal Oxide Semiconductor Field Effect Transistor) marketed by Infineon Technologies. It is a high power, high gain, low on-resistance, low inductance component suitable for switching and amplifier applications.

A MOSFET is a field effect transistor, which is different from a bipolar junction transistor (BJT) in several key ways. In a MOSFET, one terminal is the current-carrying end and the other is the gate, controlling the current flow; whereas a BJT is three-terminal with the current running through the base terminal. Additionally, a MOSFET is voltage-controlled and a BJT is current-controlled. This distinction gives MOSFETs the advantage of lower power dissipation.

The IRFP4668PBF from Infineon is an N-channel MOSFET suitable for power supply design, power conversion, high voltage/current switch applications, motor drive and pulse width modulated (PWM) circuits. Compared to P-channel designs, N-channel offers higher current handling due to their faster response time and better circuit layout. The IRFP4668PBF offers superior performance, making it the ideal choice for applications operating at frequencies of 100 kHz and below.

The IRFP4668PBF has the following electrical characteristics: an R_DS(on) of 10 milliohms (max), a drain-source voltage of 150V, a gate-source voltage of ±20V, a continuous drain current of ±60A, and a drain-source breakdown voltage (BVdss) of 200V. Combining the low on-resistance, high current capabilities and excellent signal transceiving ability make the IRFP4668PBF ideal for automotive, audio and general purpose power applications.

The IRFP4668PBF is composed of several key components. Firstly, the casing comprises of an integrated leadframe and a plastic body molded on top of the leadframe. This structure ensures that the device is mechanically and thermally robust while providing isolation from the elements. Inside the casing is the die, which consists of two parts, the source and the gate. The source acts like a current collector, where its connection to the substrate provides the control mechanism for current regulation. The gate is connected to the drain and acts as the control point for the current flow. It is also where the bias voltage is applied to control the on-off state of the gate.

In operation, the IRFP4668PBF works by allowing current to flow between the source and the drain when a voltage is applied to the gate. This voltage causes an electrostatic field that attracts or repels the carriers within the channel, depending on the polarity. The on-resistance, or resistance when the device is on, is proportional to the size of the gate-to-source voltage, V_gs. Increasing the value of V_gs will increase the on-resistance, and vice versa.

The IRFP4668PBF also offers excellent current handling capabilities, with a continuous drain current of ± 60A. This is possible due to its low-junction-to-case thermal resistance (R_thJC) of 0.09 K/W, which allows the device to handle high currents while avoiding major heat build up. Additionally, the source is connected to the drain terminal, allowing current to flow in both directions.

Overall, the IRFP4668PBF is an ideal choice for switch and amplifier applications. Its low on-resistance, excellent current handling, fast switching times and robust packaging make it an exceptional device for demanding applications. It can be used in a variety of applications in automotive, audio and general power systems, where its efficient and reliable performance will be appreciated.

The specific data is subject to PDF, and the above content is for reference