CRA04S043240RJTD

Number of Pins:	4
Height - Seated (Max):	0.018" (0.45mm)
Size / Dimension:	0.039" L x 0.039" W (1.00mm x 1.00mm)
Supplier Device Package:	--
Package / Case:	0404 (1010 Metric), Convex
Mounting Type:	Surface Mount
Applications:	--
Operating Temperature:	-55°C ~ 155°C
Temperature Coefficient:	±200ppm/°C
Power Per Element:	62.5mW
Series:	CRA04
Resistor-Ratio-Drift:	--
Resistor Matching Ratio:	--
Number of Resistors:	2
Tolerance:	±5%
Resistance (Ohms):	240
Circuit Type:	Isolated
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Resistor Networks, Arrays

An essential part of electric and electronic circuits, resistor networks, Arrays and their components help engineers precisely control the electric current at the desired voltage level. The applications vary from basic conditioning and filtering, impedance matching of signal sources, to more advanced digital and switching applications.CRA04S043240RJTD is a resistor network type that provides reliable voltage control and reliable circuit protection. This chip-based resistor network integrates four, separate, independent, and electronically isolated resistors into a small area for a wide range of applications.

Working Principle

The CRA04S043240RJTD resistors are installed on a chip substrate with four shielding planes placed between them, separating the resistors from each other. Two highly conductive copper lines are printed along the surfaces of the chip. These conductors run along the length of the chip, connecting all four resistors on the chip in series. The resistors are then connected together by two metal pads on the chip near its four corners. In between its metal pads, each resistor is individually isolated by a plastic isolation layer which prevents heat and RF interference from affecting the resistors.The size of the resistance value for each resistor on the chip is programmable via four separate pins on the chip. Each resistor can be set to its desired value by connecting a range of resistors to each pin. For example, a resistor can be programmed to a value of 2 ohms by connecting a 0.5 ohm resistor to one pin and a 1.5 ohm resistor to another.The resistors are designed to be connected in series, ensuring that the voltage drop across each resistor is equal. This allows for a precise voltage control and protection by ensuring that the output voltage at each resistor is the same and remains constant no matter the load. For example, if the current load is increased, the conductance of each resistor will also increase, causing the voltage drop at each resistor to increase.

Application Field

CRA04S043240RJTD is suitable for a wide range of applications, ranging from basic DC/DC converters to high precision power management systems. This device is frequently used in power supply, battery management, and digital signal processing systems. It can also be used in analog circuits, such as amplifiers, RF and microwave systems, and low noise systems, as well as in digital circuits, such as memory circuits, logic circuits, and communication circuits. For applications that require a higher level of precision, such as medical instruments, power supplies, and industrial control systems, CRA04S043240RJTD may be the ideal choice. This device is also well-suited for protecting the circuits from voltage and current fluctuations. The precise control of voltage makes it a feasible solution for applications that require a steady voltage source, such as power supplies, medical equipment, and unmanned aerial vehicles. CRA04S043240RJTD is an advanced and reliable resistor network suitable for a wide range of applications, from basic voltage conditioning to more sophisticated power management systems. Its precision control of voltage and current means a steady output voltage can be ensured, enabling high accuracy performance in power components and electronics.

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