CRB1A2E220JT

Series:	CRB, Kyocera
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Circuit Type:	Isolated
Resistance (Ohms):	22
Tolerance:	±5%
Number of Resistors:	2
Resistor Matching Ratio:	--
Resistor-Ratio-Drift:	--
Number of Pins:	4
Power Per Element:	62.5mW
Temperature Coefficient:	±250ppm/°C
Operating Temperature:	-55°C ~ 125°C
Applications:	--
Mounting Type:	Surface Mount
Package / Case:	0606, Concave
Supplier Device Package:	0606
Size / Dimension:	0.063" L x 0.063" W (1.60mm x 1.60mm)
Height - Seated (Max):	0.028" (0.70mm)

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Resistor Networks, Arrays

A Commutated Resistor Bank (CRB) is a resistive network made up of a number of resistors connected in series or parallel and used to control the flow of current or voltage in an electrical system. The CRB1A2E220JT is one of these resistor networks and its applications and working principles can be further discussed.Applications of CRB1A2E220JTThe CRB1A2E220JT is primarily used to maintain a predetermined resistive value or voltage drop across a load or branch circuit. It can also be used as a current limiter in industrial systems or motors to protect machinery from overload or short circuiting. Additionally, it is especially effective when used as an impedance transformer, reducing the voltage in high-voltage systems while maintaining an accurate power delivery. Lastly, the CRB1A2E220JT is regularly employed as an accurate voltage regulator over a wide range of frequencies.Working Principle of CRB1A2E220JTIn essence, the CRB1A2E220JT functions by employing two sets of resistors connected in parallel or in series. One resistor is stationary, while the other is rotatable and is connected to a commutator which, in turn, is connected to a shaft linked to the output of the resistor network. By separating the two sets of resistors, the CRB1A2E220JT ensures that the resistance value changes depending on the rotational position of the shaft, thereby allowing for controlled current and voltage levels.The overall number of resistors in the CRB1A2E220JT is determined by the required output of the system. If a higher voltage drop is required, then the device needs more resistors, while a lower voltage drop requires fewer resistors. In a few cases, the resistors are connected in a more complex arrangement known as a combination series/parallel.ConclusionIn conclusion, the CRB1A2E220JT is a resistive network consisting of two sets of resistors connected in series or parallel, enabling a controlled current or voltage level. This commutated resistor bank is used in industrial systems to protect equipment from overload, to transform impedance of high-voltage systems, and as an accurate voltage regulator. The overall number of resistors in the CRB1A2E220JT depends on the required output of the system, and in many cases, a combination series/parallel arrangement is employed.

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