ESMQ421VSN471MR40S Allicdata Electronics
Allicdata Part #:

565-3715-ND

Manufacturer Part#:

ESMQ421VSN471MR40S

Price: $ 3.05
Product Category:

Capacitors

Manufacturer: United Chemi-Con
Short Description: CAP ALUM 470UF 20% 420V SNAP
More Detail: 470µF 420V Aluminum Electrolytic Capacitors Radial...
DataSheet: ESMQ421VSN471MR40S datasheetESMQ421VSN471MR40S Datasheet/PDF
Quantity: 1
Moisture Sensitivity Level (MSL): 1 (Unlimited)
Lead Free Status / RoHS Status: Lead free / RoHS Compliant
1 +: $ 2.77200
10 +: $ 2.46465
100 +: $ 1.97163
500 +: $ 1.69439
1000 +: $ 1.59609
Stock 1Can Ship Immediately
$ 3.05
Specifications
Polarization: Polar
Package / Case: Radial, Can - Snap-In
Mounting Type: Through Hole
Surface Mount Land Size: --
Height - Seated (Max): 1.654" (42.00mm)
Size / Dimension: 1.181" Dia (30.00mm)
Lead Spacing: 0.394" (10.00mm)
Ripple Current @ High Frequency: 3.732A @ 50kHz
Ripple Current @ Low Frequency: 2.61A @ 120Hz
Applications: General Purpose
Ratings: --
Series: SMQ
Operating Temperature: -25°C ~ 85°C
Lifetime @ Temp.: 2000 Hrs @ 85°C
ESR (Equivalent Series Resistance): --
Voltage - Rated: 420V
Tolerance: ±20%
Capacitance: 470µF
Moisture Sensitivity Level (MSL): --
Part Status: Active
Lead Free Status / RoHS Status: --
Packaging: Bulk 
Description

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are electrical components used for coupling and decoupling signals, filtering noise, storing charge, and controlling timing. They are composed of two aluminum foil electrodes separated by a dielectric oxide layer, and are some of the most widely used capacitors available. Aluminum electrolytic capacitors are generally rated in terms of their capacitance and other parameters like ESR, ripple current rating, and pulse duration rating.

ESMQ421VSN471MR40S Application Field and Working Principle

The ESMQ421VSN471MR40S series of aluminum electrolytic capacitors are designed for a wide range of applications, including in motors, drives, power supplies, switch mode power supplies, wind turbines, and more. They feature an improved working voltage of up to 85°C by using special electrolyte solutions and a proprietary rubber sealing process.

The working principle of an aluminum electrolytic capacitor is based on the Faraday law of electrolysis. When the electrodes of an aluminum electrolytic capacitor are connected to an applied voltage, a migration of ions occurs from the electrolyte solution to the oxide layer. This layer acts as an insulator, preventing current flow within the capacitor.

This migration of ions creates an electric field between the two layers of oxide, which is proportional to the applied voltage. The electric field creates an electrostatic charge, which builds up until it matches the applied voltage. When the electric charge reaches a certain level, the current flow between the capacitor\'s terminals is limited. The accumulated charge remains constant for as long as the applied voltage is kept constant, allowing it to act as a resistor.

The capacitance of these devices is determined by the size and shape of the electrodes, as well as the dielectric properties of the oxide layer. Generally, larger electrodes with higher dielectric constants result in higher capacitance values. Additionally, the ESR of an electrolytic capacitor depends on its structural parameters, as well as the density of its electrodes.

The ESMQ421VSN471MR40S series of aluminum electrolytic capacitors have a temperature range of -40°C to +85°C and a high working voltage of up to 420V. They feature a ripple current of up to 7.8A and a long life cycle of up to 30,000 hours. These capacitors are ideal for applications requiring a high level of reliability and performance.

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

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