Series:	Holco, Holsworthy
Packaging:	Bulk
Part Status:	Active
Resistance:	21 Ohms
Tolerance:	±0.1%
Power (Watts):	0.25W, 1/4W
Composition:	Metal Film
Features:	Pulse Withstanding
Temperature Coefficient:	±25ppm/°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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Through Hole Resistors

Through hole resistors are components that limit the flow of electricity through an electronic circuit. This prevents the circuit from experiencing too much voltage, which could potentially lead to shorting and other electrical hazards. The H821RBDA is a through-hole resistor specifically manufactured by Texas Instruments. In this article, we will discuss the application field and working principle of this particular resistor. The H821RBDA is a through-hole resistor that features a low-profile bulk metal construction and a ceramic body. This makes it ideal for applications in confined spaces and areas with limited airflow. It is also rated for up to 200mA of continuous current at 80°C and offers excellent thermal and high voltage endurance. The resistor also boasts a wide variety of mounting options, from SMDs to plug-in sockets, and has a robust resistance value over temperature range.The H821RBDA is typically used in wireless applications, such as mobile phones, tablets, and laptop computers, as well as consumer electronics, test equipment, and automotive applications. It is also suitable for sensitive power supply and telecommunication circuits, as well as LED drivers, inverters, and high current DC motor controls. The H821RBDA also meets RoHS and WEEE standards, so it can be used in commercial and industrial applications as well. The H821RBDA employs a bulk metal construction to maximize power dissipation and to minimize the value shift at various temperatures. The ceramic body ensures that the resistor remains thermally stable even when exposed to high levels of heat generation. It also features plated terminations, which improves the connection between the resistor and the circuit board, as well as a low resistance tolerance rating.In conclusion, the H821RBDA is a through-hole resistor that is designed to limit the flow of electricity through a circuit. It is ideal for a wide range of applications, including wireless devices, automotive applications, consumer electronics, and more. The low-profile bulk metal construction and ceramic body maximize power dissipation and minimize drift in the resistance value. Additionally, the plated terminations and low resistance tolerance rating provide optimal electrical performance.

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Part Number	Manufacturer	Price	Quantity	Description