H856RFCA

Series:	Holco, Holsworthy
Packaging:	Bulk
Part Status:	Active
Resistance:	56 Ohms
Tolerance:	±1%
Power (Watts):	0.25W, 1/4W
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:	0.098" 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 ResistorsThrough-hole resistors are a type of resistor that is designed with a “tinned lead” configuration. They are usually large, cylindrical resistors with a lead terminal in the center and one at each end. This type of resistors is used in applications where high power handling and low noise are required. The lead terminals allow for very low insertion losses and provide excellent electrical performance.The H856RFCA is a through-hole resistor featuring a maximum power rating of 12W and a temperature coefficient range of +/-5% at 50°C. This resistor is a two-layer design with four gold-plated metallic leads, two each on the top and bottom. The resistor also carries an EIA Class B rating for tolerances, with a ±1.5% accuracy.H856RFCA Application FieldH856RFCA resistors are typically used in high power applications such as motor control, power management circuits, and automotive electronics. Due to its superior power handling ability, it is also used in low-noise applications, such as low-noise amplifiers. It is also commonly used in high-voltage applications where space efficiency and good efficiency are requirements.H856RFCA Working PrincipleH856RFCA through-hole resistors work on the same principles as other types of resistors. They limit the current flow in an electrical circuit by introducing resistance from the resistance element. The current passing through the resistor is inversely proportional to the resistance value, meaning the higher the resistance value, the less current passes through it.The H856RFCA resistor consists of two layers, a resistance element and a dielectric layer. The resistance element, usually made of ceramic, is coated in a dielectric layer to improve the insulation between the two layers. This prevents the current from passing directly from one layer to the other and provides additional protection against shorts.The H856RFCA has two leads which connect the resistor to the circuit. The leads are the most important part of the resistor, and must provide good electrical connection to ensure good performance. The leads are usually gold-plated and attached to the top and bottom layers of the resistor with solder.ConclusionThe H856RFCA through-hole resistor is suitable for medium to high power applications, due to its power rating and temperature coefficient range. It is also particularly suitable for low-noise applications. The resistor consists of two layers with gold-plated leads for good electrical connection, and good performance.

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