AHA500FB-11R8

Operating Temperature:	-55°C ~ 250°C
Failure Rate:	--
Package / Case:	Axial, Box
Lead Style:	Solder Lugs
Height - Seated (Max):	0.358" (9.10mm)
Size / Dimension:	0.591" L x 0.650" W (15.00mm x 16.50mm)
Mounting Feature:	Flanges
Coating, Housing Type:	Aluminum
Features:	--
Series:	AHA
Temperature Coefficient:	±200ppm/°C
Composition:	Wirewound
Power (Watts):	5W
Tolerance:	±1%
Resistance:	11.8 Ohms
Part Status:	Active
Packaging:	Bulk

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Chassis Mount Resistor: AHA500FB-11R8 Application Field and Working Principle

Chassis mount resistor is a widely used type of resistor in various electronics systems and applications. They are designed to be mounted directly on a panel, enabling simple installation on a circuit board and allowing for easy reconfiguration when necessary. The AHA500FB-11R8 is a particular type of chassis mount resistor, which features an operational temperature range of -55°C to +125°C and a voltage handling capability up to 500V. This makes it an ideal choice for use in high-reliability applications, such as those in the automotive and aerospace industries.

Applications

The AHA500FB-11R8 is suitable for a range of applications, such as automotive systems, general electronics, and aerospace. It can also be used in renewable energy systems, where high power devices may need steady current regulation. In automotive applications, the AHA500FB-11R8 is often used in the power steering system. It helps to ensure smooth and efficient operation by providing precise current regulation across the entire system.In general electronics applications, the AHA500FB-11R8 can be found in various circuit designs, such as DC converters, AC/DC power supplies, and motor control interfaces. In renewable energy systems, the resistor is typically used to maintain the correct current-voltage balance in order to keep the system running at optimal capacity. Aerospace applications for the AHA500FB-11R8 include flight control systems, attitude control systems, and other high-accuracy navigation and guidance systems.

Working Principle

The AHA500FB-11R8 is a non-inductive, self-disconnecting resistor. As a non-inductive resistor, it has the ability to minimize electrical noise and resistances in applications where the resistance of the circuit path is critical. To realize this, the resistor is designed to have an extremely low equivalent series resistance (ESR) values. The self-disconnecting feature of AHA500FB-11R8 means that when the current through the resistor exceeds a specific threshold, it will automatically disconnect and isolate itself from the circuit. This protects the resistor from potentially damaging levels of current and ensures the robust operation of the circuit. This feature is especially useful in high-amperage applications, such as those in the automotive and aircraft industries.

Conclusion

The AHA500FB-11R8 is a popular chassis mount resistor, which is designed to meet the needs of various applications, both on the ground and in the air. Its low ESR values, high current handling capability, and self-disconnecting feature make it an ideal choice for use in high-reliability applications, such as those in the automotive and aerospace industries.

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