AHA80AFB-91R

Operating Temperature:	-55°C ~ 250°C
Failure Rate:	--
Package / Case:	Axial, Box
Lead Style:	Threaded
Height - Seated (Max):	1.024" (26.00mm)
Size / Dimension:	2.598" L x 1.850" W (66.00mm x 47.00mm)
Mounting Feature:	Flanges
Coating, Housing Type:	Aluminum
Features:	--
Series:	AHA
Temperature Coefficient:	±200ppm/°C
Composition:	Wirewound
Power (Watts):	80W
Tolerance:	±1%
Resistance:	91 Ohms
Part Status:	Active
Packaging:	Bulk

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Chassis Mount Resistors

Chassis mount resistors are resistive components which mount directly on a chassis or other support structure and perform the role of voltage and current dividers, noise elimination, signal attenuation, etc. As with any kind of resistor, they come in a variety of shapes, sizes, resistance values, power dissipation ratings, etc. AHA80AFB-91R is one of the chassis mount resistors.

AHA80AFB-91R Application Field

AHA80AFB-91R is a four terminal, non-inductive, wire-wound resistor package suitable for a wide range of applications. Due to its high power rating, it can be used in applications such as power supplies, UPSs, power amplifiers, circuit protection, motor control, and switching regulators, where high current, low thermal resistance, and superior heat dissipation performance are required.

AHA80AFB-91R Working Principle

AHA80AFB-91R works by converting electrical energy into heat energy, due to the resistance in the wire used. This heat energy is then dissipated by a series of heat sinks, made of steel, aluminum, or ceramic, each with its own thermal properties. These heat sinks help to spread the heat generated by the resistor across the surface of the chassis, providing increased thermal conductivity and thermal dissipation when compared to other more traditional chassis mount resistors.As electricity passes through AHA80AFB-91R, it encounters a certain amount of resistance in the wire. This resistance causes the electricity to lose some of its energy in the form of heat, which is then dissipated by the heat sinks surrounding it.The resistance of the wire affects the amount of current that can pass through it, and this determines how much power the resistor can dissipate. The more power that is needed to be dissipated, the larger the amount of current that can pass through it.

Conclusion

In conclusion, AHA80AFB-91R is an excellent choice for a chassis mount resistor due to its ability to provide superior heat dissipation performance, its high current handling capacity, and its low thermal resistance. It is suitable for a wide range of applications, and with its four terminal design, it is easy to install and use.

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