4612X-101-103LF Resistors

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Resistor Networks, Arrays provide a convenient way for circuits to manage current flow. The networks and arrays often contain multiple resistors connected in parallel, allowing them to divide, shunt, and otherwise control the flow of electricity in a variety of applications. One such device, the 4612X-101-103LF, is a 3-resistor network with an SMT package configuration consisting of three 1206 size devices in an 0805 package size.

The 4612X-101-103LF has a resistance value of 101 KΩ per element, and all elements are connected in parallel. This device is useful in many applications, such as current sensing, power management in portable power systems, and protection in digital applications. Additionally, the resistor array is designed for high-temperature operation, with an operating temperature range of -40° to +125°C. The 4612X-101-103LF also features high-reliability SMT construction with a total resistance tolerance of ±0.5%.

Application Field

The 4612X-101-103LF can be used in many applications, such as motor control, power supply sequencing, and base current sensing on low-power amplifier circuits. In these applications, the resistor array between two other components controls and regulates the current flow. This device is especially useful in motor control applications in which the current has to be divided and/or buffered according to the required load, such as in robotic systems.

The 4612X-101-103LF is also used in current sensing and overload protection on digital circuits. In this application, the device is placed in series with the circuit path and acts as a current regulator by hitting the current flow when it reaches the set resistance value. This prevents the circuit from being overworked due to current overload, protecting its components from damage.

Working Principle

The 4612X-101-103LF functions by dividing and/or buffering current according to the desired load. The device has three 1206 size devices connected in parallel and each is rated for a resistance value of 101 KΩ. This allows for a uniform distribution of the current flow across the resistors. The uniform current flow allows for a more precise control of the current, and therefore the circuit as a whole.

The arrangement of the resistors also helps to reduce noise in the current flow. This is done by distributing the noise across all three of the resistors. Since the current is evenly distributed across the resistors, any noise from the current is also equally distributed, reducing the overall effect. This noise-reducing effect is especially useful in digital applications where noise on the signal can cause errors in the system.

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