AHA10BJB-390R

Operating Temperature:	-55°C ~ 250°C
Failure Rate:	--
Package / Case:	Axial, Box
Lead Style:	M4 Threaded
Height - Seated (Max):	1.795" (45.60mm)
Size / Dimension:	3.504" L x 2.756" W (89.00mm x 70.00mm)
Mounting Feature:	Flanges
Coating, Housing Type:	Aluminum
Features:	--
Series:	AHA
Temperature Coefficient:	±200ppm/°C
Composition:	Wirewound
Power (Watts):	100W
Tolerance:	±5%
Resistance:	390 Ohms
Part Status:	Active
Packaging:	Bulk

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Chassis Mount Resistors: AHA10BJB-390R Application Field and Working Principle

The AHA10BJB-390R is a chassis mount resistor used for industrial and commercial applications. It is designed to provide a precise resistance value for various electrical and electronic devices and circuits. This is done by making use of an integrated resistor and a thermistor.In terms of its application, the AHA10BJB-390R is used primarily in the fields of telecommunications, automotive, medical, avionics, household appliances, industrial electronics, robotics, and other areas where consistent and reliable power is needed. It is also commonly used in many expensive electronic components—particularly those related to high-end surveillance and security.As for its working principle, AHA10BJB-390R chassis mount resistors work by dissipating electrical energy into heat while maintaining a consistent resistance value. This is done through a combination of electrical and thermal circuit elements. This arrangement allows the resistor to accurately self-adjust itself to any changes in temperature or power input. As a result, it can be used in applications where both power stability and consistency are required. The electrical component of the AHA10BJB-390R is composed of a series of discrete resistor elements connected in series. Each of these resistor elements produces an electrical resistance based on its geometry, material, and applied voltage. This electrical resistance determines the amount of power dissipated by the resistor and, ultimately, the temperature it is able to withstand. As voltage and temperature levels increase, the electrical resistance of the resistor increases as well, allowing it to dissipate larger amounts of power without getting damaged.The thermal component of the AHA10BJB-390R is composed of a thermistor, which is an instrument designed to sense and measure temperatures. The thermistor is combined with a sensitive temperature sensor, which can provide an output signal proportional to changes in temperature. This signal is used to drive the resistor’s integrated heater, which is triggered once the temperature of the resistor exceeds the critical threshold. The resistance value of the device adjusts accordingly, allowing it to dissipate more power and increase its temperature rating. The whole process is constantly monitored and controlled by an internal control loop, which makes sure that the resistor doesn’t get damaged due to overcurrent or excessive heat.In summary, the AHA10BJB-390R is an extremely reliable and versatile chassis mount resistor. Its unique combination of components allows it to provide precise resistance values and adjust itself according to changes in power or temperature, making it highly used in many commercial and industrial applications.

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