AHA25AFB-243R

Operating Temperature:	-55°C ~ 250°C
Failure Rate:	--
Package / Case:	Axial, Box
Lead Style:	Solder Lugs
Height - Seated (Max):	0.587" (14.90mm)
Size / Dimension:	1.063" L x 1.063" W (27.00mm x 27.00mm)
Mounting Feature:	Flanges
Coating, Housing Type:	Aluminum
Features:	--
Series:	AHA
Temperature Coefficient:	±200ppm/°C
Composition:	Wirewound
Power (Watts):	25W
Tolerance:	±1%
Resistance:	243 Ohms
Part Status:	Active
Packaging:	Bulk

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    Chassis Mount Resistors are components that transfer electrical power by dissipating the electrical current carried. The AHA25AFB-243R is one type of chassis mount resistor, which is especially popular among power circuit design and application fields. This article will explore the application field and working principle of AHA25AFB-243R.The AHA25AFB-243R chassis mount resistor has a wide range of applications. Firstly, it can be used in power converters, on-board switching supplies, high frequency inverters, DC-DC converters and other power systems with high input voltage requirements. Because of its small size, it can also be employed in computers, electronic boards, and micro controllers. In addition, AHA25AFB-243R is suitable for designs requiring advanced thermal management technology and high capacity ratings.The AHA25AFB-243R chassis mount resistor consists of two parts: the resistive element and the electrical contact. The resistive element’s resistance property determines its ability to resist current flow. It uses a patented high resistance alloy strip that has a superior heat dissipation property in order to provide high power dissipation. The electrical contact is responsible for the electrical connection between the resistor and other components. It consists of a thin, conductive metal layer composed of nickel. The electrical contact both supports the resistive element and provides an ideal path for the current to flow.In addition, the metal layer is insulated with a layer of polymer that protects against corrosion and other environmental effects. This insulation also serves to reduce the risk of accidental contact by other components. The AHA25AFB-243R also has an integrated heat sink and terminal block to ensure that the resistor can operate at maximum power ratings without overheating.The working principle of AHA25AFB-243R is based on the conservation of energy. When electric current passes through the metal layer, energy is dissipated in the form of heat. The heat dissipated is then conducted away by the heat sink, thus keeping the resistor at a safe temperature even while it is operating at its maximum power rating. In conclusion, the AHA25AFB-243R chassis mount resistor is suitable for a wide range of applications due to its small size and excellent thermal management technology. Its resistive element is composed of a patented high resistance alloy strip that provides superior heat dissipation. The electrical contacts use a thin layer of conductive metal and an insulation layer of polymer to ensure safe operations. Finally, the integrated heat sink and terminal block allow for the safe operation of the resistor even at its maximum power rating.

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