H4340RBCA

Series:	Holco, Holsworthy
Packaging:	Bulk
Part Status:	Active
Resistance:	340 Ohms
Tolerance:	±0.1%
Power (Watts):	0.5W, 1/2W
Composition:	Metal Film
Features:	Pulse Withstanding
Temperature Coefficient:	±50ppm/°C
Operating Temperature:	-55°C ~ 155°C
Package / Case:	Axial
Supplier Device Package:	Axial
Size / Dimension:	0.146" Dia x 0.394" L (3.70mm x 10.00mm)
Height - Seated (Max):	--
Number of Terminations:	2
Failure Rate:	--

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Through Hole Resistors refer to components of an electrical circuit that allows energy to pass through them, while still managing to offer resistance to the components. One of the more frequently used through-hole resistors are the H4340RBCA, which are manufactured by Motorola and have the ability to resist significant shifts in temperature inside a range of -50 to 350 °C or -58 to 662°F.Due to their wide range of temperature resistant capabilities, H4340RBCA are extensively used in a number of industrial and commercial applications. These include working in environments where the ambient temperature either gradually changes or is subject to extremes. Such applications range from HVAC systems, PLC circuit boards and factory automation systems. Legal requirements also make these sorts of resistors invaluable for industrial control panels in areas such as safety equipment, fire protection systems and military electronics, just to name a few. With their 0.05% low residual resistance tolerance, they\'re capable of providing and maintaining a level of accuracy that most other resistors can only dream of.Their most commonly used operating principle involves the application of a certain amount of energy, such as voltage, into one end of the resistor and the flow of current is then forced along its entire length. This is done in order to dissipate a portion of it at its other end; the amount of energy dissipated is determined by the resistance of the resistor itself. The H4340RBCA resistor is made up of a conductive material, such as copper or aluminum, which is then sandwiched between two conductive layers. Any current received is then distributed along the entire length of the resistor. The frequency characteristics of the resistor are then used to determine the parameters of the issue as well as the amount of power that is dissipated.To ensure maximum accuracy, two multi-turn trimmers are added, one at each end of the component, to create a new resistance after installation. The control system can also be programmed to adjust the output over time, ensuring that the H4340RBCA continues to operate in accordance with its given specification.To summarise, the H4340RBCA through-hole resistor is an invaluable piece of component engineering and is seen as an essential aspect of production control systems and safety critical installations. Already used in some of the world\'s most advanced technology and most dynamic industrial environments, this type of resistor is now available for use in practically any numerical control systems or process control needs.

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