AHA50AJB-20R

Operating Temperature:	-55°C ~ 250°C
Failure Rate:	--
Package / Case:	Axial, Box
Lead Style:	Solder Lugs
Height - Seated (Max):	0.650" (16.50mm)
Size / Dimension:	1.969" L x 1.142" W (50.00mm x 29.00mm)
Mounting Feature:	Flanges
Coating, Housing Type:	Aluminum
Features:	--
Series:	AHA
Temperature Coefficient:	±200ppm/°C
Composition:	Wirewound
Power (Watts):	50W
Tolerance:	±5%
Resistance:	20 Ohms
Part Status:	Active
Packaging:	Bulk

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Chassis Mount Resistors

Chassis mount resistors are devices which are used in a variety of applications to limit or absorb the flow of electricity. This type of resistor fit into a variety of surface mount, printed circuit board, or chassis mount enclosures and generally have similar characteristics in terms of their dielectric strength and power handling capacity. A common example of a chassis mount resistor is the AHA50AJB-20R.The AHA50AJB-20R is a high power, non-inductive, axial resistor which is designed for use in a number of electrical applications. The resistor has a rated power of 2.5 Watts and is able to handle currents up to 20 Amps. It is constructed from a special blend of resistor networks which provide superior thermal, electrical and mechanical properties. The resistor is also compliant with the RoHS and WEEE directives.The AHA50AJB-20R is primarily used in power supply circuits, to reduce and limit the current through the circuit to its desired value. This allows for accurate and reliable operation of the power supply. It also functions as a safety device, by limiting the current to below the maximum value, thereby protecting the circuit from electrical damage.Additionally, the AHA50AJB-20R is used as a noise filter in low power circuits, to reduce short-duration current spikes and to remove stray frequencies from the signal. This can improve the signal quality and therefore the performance of the circuits. The resistor is also used to provide a load in circuits, to dissipate surplus energy as heat and thus maintain the desired voltage level.The AHA50AJB-20R is constructed from a low-profile, flame-retardant, epoxy encapsulated ceramic body. This provides outstanding environmental protection and makes the resistor highly durable. The resistor has an operating range of -55 to +155°C and a low temperature coefficient of resistance (TCR) for accurate performance. The resistor has also been designed with a low lead inductance which is beneficial in low frequency applications.In summary, the AHA50AJB-20R is a high power, non-inductive, axial resistor which is designed for power supplies, noise filters and load dissipating applications. It can withstand power levels up to 2.5 Watts and handle currents up to 20 Amps. Moreover, the resistor is protected from a variety of environmental hazards by its low-profile, flame-retardant, epoxy encapsulated ceramic body. This makes it one of the most reliable and versatile chassis mount resistors available.

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