H81K21DYA Allicdata Electronics
Allicdata Part #:

H81K21DYA-ND

Manufacturer Part#:

H81K21DYA

Price: $ 0.36
Product Category:

Resistors

Manufacturer: TE Connectivity Passive Product
Short Description: RES 1.21K OHM 1/4W 0.5% AXIAL
More Detail: 1.21 kOhms ±0.5% 0.25W, 1/4W Through Hole Resistor...
DataSheet: H81K21DYA datasheetH81K21DYA Datasheet/PDF
Quantity: 1000
250 +: $ 0.32825
Stock 1000Can Ship Immediately
$ 0.36
Specifications
Series: Holco, Holsworthy
Packaging: Bulk 
Part Status: Active
Resistance: 1.21 kOhms
Tolerance: ±0.5%
Power (Watts): 0.25W, 1/4W
Composition: Metal Film
Features: Pulse Withstanding
Temperature Coefficient: ±15ppm/°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 types of resistors used in electronic circuits. The H81K21DYA is one of the most reliable and affordable through-hole resistor available on the market today. This resistor features low electrical noise, low cost, and low thermal resistance. It can be used in a variety of applications, and its working principle is relatively simple.

One of the primary applications of the H81K21DYA is in acoustic applications. It is used as a feedback resistor for audio amplifiers. In this application, the resistor helps to provide feedback to the user about the intensity of the sound, helping to optimize the sound. The resistor also minimizes the distortion of the signal, which is often introduced by other components.

The H81K21DYA is also frequently used in motor speed control applications. This type of resistor is used in variable frequency drives, which allow for the smooth operation of a motor by controlling its speed. By varying the resistance, the speed of the motor can be adjusted and regulated to ensure maximum efficiency.

The H81K21DYA is also commonly used in microcontrollers. This type of resistor is used to reduce switching noise, which can cause interference with the signal and can affect the accuracy of the system. By using a resistor, the interference can be eliminated or reduced, resulting in a more reliable system.

The working principle of the H81K21DYA is relatively simple. This type of resistor works on the principle of voltage dropping. When voltage is applied to the resistor, the current through the resistor will cause a voltage drop across the resistor itself. Depending on the size and type of the resistor, this voltage may vary. In general, for higher valued resistors, the voltage drop will be greater.

The H81K21DYA is also used in other various applications. It is frequently used in optoelectronic systems as a feedback resistor. This type of resistor helps to regulate the current running through the system. It is also commonly used in the aerospace industry due to its high reliability and wide range of applications. It is also ideal for single-phase, signal conditioning, sensing, and power regulation applications.

Overall, the H81K21DYA is a reliable and cost-effective through-hole resistor. It can be used in a variety of applications and its working principle is relatively simple. It is used for audio feedback, motor speed control, microcontroller noise reduction, as well as many other applications. With its low electrical noise, low cost, and low thermal resistance, the H81K21DYA is one of the most reliable and affordable through-hole resistors on the market today.

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

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H81K4DYA TE Connectiv... 0.36 $ 1000 RES 1.40K OHM 1/4W 0.5% A...
H81K47DYA TE Connectiv... 0.36 $ 1000 RES 1.47K OHM 1/4W 0.5% A...
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