H42K8BDA

Series:	Holco, Holsworthy
Packaging:	Bulk
Part Status:	Active
Resistance:	2.8 kOhms
Tolerance:	±0.1%
Power (Watts):	0.5W, 1/2W
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:	0.146" Dia x 0.394" L (3.70mm x 10.00mm)
Height - Seated (Max):	--
Number of Terminations:	2
Failure Rate:	--

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What are Through Hole Resistors?

Through hole resistors, also known as through hole components, are electronic components that have their connections to the printed circuit board made through a hole drilled into the board. These resistors, typically made of metal or ceramic, contain a resistive element, which may be printed, etched, or formed from a solid material. Once the resistor is in place, it is then joined to the circuit board using a screw or other fastening device. Through hole resistors are typically sized between 0.5 mm and 30mm in diameter, and lengths of up to 5.08 mm or more.

H42K8BDA application field and working principle

The H42K8BDA is a through hole resistor with a resistance value of 4.2kOhm, an operating voltage of 3.0V and a maximum power rating of 250mW. It is made from a ceramic substrate and is coated with a silicone/acrylic adhesive. The resistor is available in either 0603 (1.6mm x 0.8mm) or 1206 (3.2mm x 1.6mm) surface mount package. The H42K8BDA is a fixed-value, non-variable resistor and is mainly used in low-level circuits as a current-limiting device, or as a voltage-divider network circuit. When connected in a circuit, it limits the current flow by providing a known resistance. This ensures the current never rises above the required amount and the circuit remains safe. Another use of the H42K8BDA is as a voltage divider network. By connecting to two opposite ends of a circuit, it can be used to divide the voltage going through it. This allows for better control over the voltage in the circuit, which can be useful for analog circuitry.The H42K8BDA is an economical and easy to use through hole resistor with many versatile applications. It can replace more expensive surface-mount components to save on board space and provide the same functionality. The resistor is available in a range of different package sizes to best match the application. In conclusion, the H42K8BDA is a through hole resistor that can be used as a current-limiting device or voltage-dividing circuit component. It is an economical and simple-to-use solution for many analog circuitry applications.

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