4308R-102-471LF

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Resistor Networks, Arrays, are components used in electrical circuitry to control signal flow. The 4308R-102-471LF resistor is a type of resistor network, also referred to as an array, typically used for applications requiring high precision resistance values combined with improved power dissipation.

The 4308R-102-471LF is a four-resistor array, a type of resistor network consisting of four resistors connected in series. It’s an eight-pin, 0805-sized SMD (surface mount device) designed for low-power, low-voltage applications, and is meant to replace standard discrete resistor component networks.

The 4308R-102-471LF is constructed from four resistors of 471 ohms each, connected together in series. This provides a resistance value of 471 ohms in total, with each resistor dissipating 1/4 of the total power. The improved power dissipation of a series resistor array allows better power handling, making them suitable for applications under high power and high switching frequencies.

The 4308R-102-471LF is most commonly used in power circuits, where its ability to dissipate heat allows it to operate at higher power levels than its discrete resistor counterparts. In particular, the array is used in switching regulator circuits, in which it acts as a current limiter and helps in controlling the output ripple. It can also be used in audio and radio frequency (RF) switching circuits. The 4308R-102-471LF should not be used in circuitry subjected to high voltage and power.

The general operating principle of a resistor array is that each resistor serves to decrease the current flow from one node to the next. This is due to the fact that each resistor is in series, meaning that the current will be divided among them. For example, in the case of the 4308R-102-471LF, each resistor will dissipate 1/4 of the total power, leading to a lower current.

Due to their high efficiency and precision, resistor arrays are commonly used for applications where accurate current and voltage control is required. They are also popular for military and aerospace applications, due to their small size and high reliability.

To summarize, the 4308R-102-471LF is a four-resistor array, typically used for applications requiring high precision resistance values combined with improved power dissipation. The four resistors in series provide a total resistance of 471 ohms, with each resistor dissipating 1/4 of the total power. The array is most commonly used in power circuits, where its ability to dissipate heat allows it to operate at higher power levels than discrete resistors. Its general operating principle is that each resistor serves to decrease the current flow from one node to the next. Resistor arrays are becoming increasingly popular in military and aerospace applications, due to their small size and high precision.

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