H840R2DCA Allicdata Electronics
Allicdata Part #:

H840R2DCA-ND

Manufacturer Part#:

H840R2DCA

Price: $ 0.26
Product Category:

Resistors

Manufacturer: TE Connectivity Passive Product
Short Description: RES 40.2 OHM 1/4W 0.5% AXIAL
More Detail: 40.2 Ohms ±0.5% 0.25W, 1/4W Through Hole Resistor ...
DataSheet: H840R2DCA datasheetH840R2DCA Datasheet/PDF
Quantity: 1000
250 +: $ 0.23546
Stock 1000Can Ship Immediately
$ 0.26
Specifications
Series: Holco, Holsworthy
Packaging: Bulk 
Part Status: Active
Resistance: 40.2 Ohms
Tolerance: ±0.5%
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: --
Description

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Through Hole Resistors are some of the most common components found in any electronic circuit. H840R2DCA is one among the Through Hole Resistors. This component consists of a resistive element that is encased in a package, typically a cylinder or a toroid. The resistive element is usually made up of silica, manganese-based, or tungsten-based wire, and the package is made from ceramic, quartz, plastic, or glass.

The purpose of H840R2DCA is to resist electric current. It helps limit the current flow through one or more electronic circuits to regulate the voltage and enable proper operation. The resistor can also help prevent electric shock in cases where a component may be shorted out and prevent accidental turning on of devices. The packaging of the H840R2DCA also helps protect the resistive element from environmental conditions.

H840R2DCA is most popularly used in a variety of applications such as basic electronic circuitry, power supplies, and signal conditioning. It can also be used in various consumer devices, from desktops to kitchen appliances. The resistor is also used in a variety of industrial applications such as industrial automation, medical equipment, telecommunications, and commercial lighting. The resistor is also used in integrated circuits to provide stabilization, signal strengths, and other functions.

As far as the working principle of H840R2DCA is concerned, it works by resisting electric current flow in one or more circuits. It consists of a resistance element that is encased in a package, which is usually made from ceramic, quartz, plastic, or glass. The resistive element is usually made up of silica, manganese-based, or tungsten-based wire, and the package is usually filled with inert gas to enhance thermal dissipation and ensure longevity. When the current passes through the resistor, a certain amount of voltage, or power, is dropped across the device due to its resistance. This drop in voltage is what allows the resistor to provide its desired function.

In conclusion, H840R2DCA is a through-hole resistor and is popularly used in various applications. Its resistive element is usually made up of silica, manganese-based, or tungsten-based wire, and the package is usually filled with inert gas to enhance thermal dissipation and ensure longevity. The resistor works by resisting electric current flow in one or more circuits, resulting in a drop in voltage, or power, across the device. This is what allows the resistor to provide its desired function.

The specific data is subject to PDF, and the above content is for reference

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