H8121RDZA

Series:	Holco, Holsworthy
Packaging:	Bulk
Part Status:	Active
Resistance:	121 Ohms
Tolerance:	±0.5%
Power (Watts):	0.25W, 1/4W
Composition:	Metal Film
Features:	Pulse Withstanding
Temperature Coefficient:	±100ppm/°C
Operating Temperature:	-55°C ~ 155°C
Package / Case:	Axial
Supplier Device Package:	Axial
Size / Dimension:	0.098" Dia x 0.283" L (2.50mm x 7.20mm)
Height - Seated (Max):	--
Number of Terminations:	2
Failure Rate:	--

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H8121RDZA is a through-hole resistor, primarily used in the industrial sphere. Commonly known as ruggedized resistors, these devices are designed to deliver superior performance in harsh environments. These resistors feature a high heat tolerance, enabling them to withstand up to +155°C of sustained temperature, and can be used in a wide range of industrial applications, from industrial instrumentation to avionics.The working principle of H8121RDZA is fairly straightforward. The resistor\'s construction consists of two metal plates spaced apart by a thin ceramic or aluminum oxide layer. When a current is applied to the terminal electrodes, the electrons travel through the metal plates and across the ceramic layer. The ceramic layer serves to impede the path of the electrons, providing resistance. This process is known as electron-hopping and is the basis for resistors.H8121RDZA can be used in a number of applications where the environment requires higher heat tolerances. This includes aerospace, defense, marine, and automotive applications. For instance, these ruggedized resistors are often used in automobile engine control systems, which operate in temperatures exceeding 100°C. They can also be used in higher temperature industrial applications such as semiconductor wafer processing, seismic measurements, and motor controls.H8121RDZA is also used in medical electronic applications. It can be built into medical diagnostic systems, giving the device an added layer of protection against harsh environments. H8121RDZA can even be used in MRI and CT scans, where high numbers of heat-producing devices are used.H8121RDZA is an ideal choice for those looking for a ruggedized, high temperature tolerant resistor. It can be used in a myriad of applications across multiple industries, and its performance is often superior to traditional resistors. By providing better heat resistance, H8121RDZA can help reduce the wear and tear on the components and prolong the life of the device.

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