| Allicdata Part #: | ALF40C821DL350-ND |
| Manufacturer Part#: |
ALF40C821DL350 |
| Price: | $ 4.46 |
| Product Category: | Capacitors |
| Manufacturer: | KEMET |
| Short Description: | CAP ALUM 820UF 20% 350V SNAP-IN |
| More Detail: | 820µF 350V Aluminum Electrolytic Capacitors Radial... |
| DataSheet: | ALF40C821DL350 Datasheet/PDF |
| Quantity: | 1000 |
| Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
| 200 +: | $ 4.05362 |
| Ratings: | -- |
| Package / Case: | Radial, Can - Snap-In - 4 Lead |
| Mounting Type: | Through Hole, Press-Fit |
| Surface Mount Land Size: | -- |
| Height - Seated (Max): | 3.228" (82.00mm) |
| Size / Dimension: | 1.378" Dia (35.00mm) |
| Lead Spacing: | 0.886" (22.50mm) |
| Impedance: | 102 mOhms |
| Ripple Current @ High Frequency: | 6.72A @ 10kHz |
| Ripple Current @ Low Frequency: | 3.82A @ 100Hz |
| Applications: | General Purpose |
| Series: | ALF40 |
| Polarization: | Polar |
| Operating Temperature: | -40°C ~ 105°C |
| Lifetime @ Temp.: | 5000 Hrs @ 105°C |
| ESR (Equivalent Series Resistance): | 150 mOhm @ 100Hz |
| Voltage - Rated: | 350V |
| Tolerance: | ±20% |
| Capacitance: | 820µF |
| Part Status: | Active |
| Lead Free Status / RoHS Status: | -- |
| Packaging: | Bulk |
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Aluminum electrolytic capacitors, also known as electrolytic capacitors or electrochemical capacitors, are energy storage components used in many electrical circuits and are one of the commonly used components in power electronics. The mainstream used in the consumer electronics industry are super capacitors and solid capacitors. Among them, the ALF40C821DL350 aluminum electrolytic capacitor has many application fields and unique working principle.
Application Fields of ALF40C821DL350 Aluminum Electrolytic Capacitors
The ALF40C821DL350 aluminum electrolytic capacitor is mainly used in chip resistor, inductor, and capacitor. It can be a passive component in any circuit design. The direct current flow is able to flow through the main current and small capacitance. It can be a lead-in device for high-frequency signal transmission and provide a point for current to flow when the two electrodes are connected. Usually, the ALF40C821DL350 aluminum electrolytic capacitors are widely used in power backup and electronic timing circuits. They can also be used in voltage circuits, clock circuits, and interface circuits.
Working Principle of ALF40C821DL350 Aluminum Electrolytic Capacitors
The ALF40C821DL350 aluminum electrolytic capacitor is a kind of traditional capacitor. It is composed of two main components: the separator plate and the electrolyte, and two metal plates, one of which acts as the anode while the other as the cathode. The main working principle is that when the capacitor is working, the equivalent series resistance will generate when the DC current is applied to the anode side, and the effective resistance is relatively small. The capacitor has the characteristics of low leakage current, low ESR, and high energy density.
From the construction point of view, one of the terminals of the ALF40C821DL350 aluminum electrolytic capacitor is the anode and the other is the cathode. Between the two terminals is an electrolyte made up of electrolyte, separator, and two metal plates. When there is an electric circuit connected to the two metal plates and a voltage is applied to the anode, an electric field will be established between the two metal plates. This electric field will cause the ions in the electrolyte to be attracted to the metal plates, which is how the capacitor works.
To sum up, the ALF40C821DL350 aluminum electrolytic capacitors have many application fields. It is a traditional capacitor and comes with two terminals, one of which is the anode and the other is the cathode. The main working principle is that an electric field will be established between the two metal plates that will cause the ions in the electrolyte to be attracted to the metal plates. This attraction allows the electric current to flow through the capacitor and is able to store energy.
The specific data is subject to PDF, and the above content is for reference
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ALF40C821DL350 Datasheet/PDF