UHD1H821MHD6 Allicdata Electronics
Allicdata Part #:

493-16786-ND

Manufacturer Part#:

UHD1H821MHD6

Price: $ 0.56
Product Category:

Capacitors

Manufacturer: Nichicon
Short Description: CAP ALUM 820UF 20% 50V RADIAL
More Detail: 820µF 50V Aluminum Electrolytic Capacitors Radial,...
DataSheet: UHD1H821MHD6 datasheetUHD1H821MHD6 Datasheet/PDF
Quantity: 1000
Lead Free Status / RoHS Status: Lead free / RoHS Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)
1 +: $ 0.50400
10 +: $ 0.39870
100 +: $ 0.29907
500 +: $ 0.22595
1000 +: $ 0.19937
2500 +: $ 0.18608
5000 +: $ 0.17943
Stock 1000Can Ship Immediately
$ 0.56
Specifications
Series: UHD
Packaging: Bulk 
Lead Free Status / RoHS Status: --
Part Status: Active
Moisture Sensitivity Level (MSL): --
Capacitance: 820µF
Tolerance: ±20%
Voltage - Rated: 50V
ESR (Equivalent Series Resistance): --
Lifetime @ Temp.: 5000 Hrs @ 105°C
Operating Temperature: -40°C ~ 105°C
Polarization: Polar
Ratings: --
Applications: General Purpose
Ripple Current @ Low Frequency: 2.048A @ 120Hz
Ripple Current @ High Frequency: 2.73A @ 100kHz
Impedance: 23 mOhms
Lead Spacing: 0.295" (7.50mm)
Size / Dimension: 0.630" Dia (16.00mm)
Height - Seated (Max): 0.866" (22.00mm)
Surface Mount Land Size: --
Mounting Type: Through Hole
Package / Case: Radial, Can
Description

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Aluminum electrolytic capacitors are electrical components consisting of two aluminum foils separated by a paper-like dielectric material saturated with an electrolyte solution. The UHD1H821MHD6 is an aluminum electrolytic capacitor with a rounded shape made from an aluminum foil and etched with a pattern to allow for full capacitance. They are commonly used in power supplies, audio equipment and other electronic circuits.

Application field

Aluminum electrolytic capacitors are used in a wide range of applications because they are relatively inexpensive, have relatively low ESR, and are readily available. The UHD1H821MHD6 is commonly used in power supplies, audio equipment and other electronic circuits. It can also be used in output filters, snubber circuits, and other applications where low ESR and high ripple current ratings are important.

In power supplies, the UHD1H821MHD6 capacitor helps balance the peak demand on the power supply. This allows the voltage output to stay relatively consistent despite changes in current load. The capacitor also helps reduce the amount of noise that can be generated by the power supply.

In audio equipment, the UHD1H821MHD6 capacitor helps reduce the amount of noise and distortion generated from circuitry. They are often used in output filters to reduce high frequency noise in audio signal paths. They can also be used in snubber circuits to reduce ESD protection.

Working Principle

The UHD1H821MHD6 capacitor works on the principle of electrochemical double-layer capacitance. When voltage is applied across the capacitor plates, an electric field is created, which causes electrons to migrate from the anode to the cathode, forming a double-layer charge. This process is known as \'charging\', and the greater the voltage difference between the plates, the larger the capacitance of the capacitor.

Once the capacitor is fully charged, the electric field between the plates remains until the applied voltage has been removed. This electric field stores energy, and as long as the applied voltage exceeds the breakdown voltage of the electrolyte, energy will be stored in the capacitor. As the input voltage decreases, the electric field collapses, and the stored energy is released.

The UHD1H821MHD6 is a polarized capacitor, which means that the current must flow in one direction at all times in order for it to function properly. If the polarity is reversed, the capacitor will short-circuit, potentially resulting in damage to the component and to the circuit.

Conclusion

In conclusion, the UHD1H821MHD6 is an aluminum electrolytic capacitor with a low ESR and high ripple current rating that is ideal for use in power supplies, audio equipment, and other applications. It works on the principle of electrochemical double-layer capacitance where a voltage is applied across the capacitor plates, forming a double-layer charge which produces an electric field that stores energy. The UHD1H821MHD6 must be connected with the correct polarity to avoid short-circuiting the capacitor.

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

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