| Allicdata Part #: | SEK3R3M250ST-ND |
| Manufacturer Part#: |
SEK3R3M250ST |
| Price: | $ 0.00 |
| Product Category: | Capacitors |
| Manufacturer: | Cornell Dubilier Electronics (CDE) |
| Short Description: | CAP ALUM 3.3UF 20% 250V RADIAL |
| More Detail: | 3.3µF 250V Aluminum Electrolytic Capacitors Radial... |
| DataSheet: |  SEK3R3M250ST Datasheet/PDF |
| Quantity: | 1000 |
| Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
| Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
| 1 +: | 0.00000 |
Specifications
| Polarization: | Polar |
| Package / Case: | Radial, Can |
| Mounting Type: | Through Hole |
| Surface Mount Land Size: | -- |
| Height - Seated (Max): | 0.433" (11.00mm) |
| Size / Dimension: | 0.315" Dia (8.00mm) |
| Lead Spacing: | 0.138" (3.50mm) |
| Ripple Current @ High Frequency: | 67.2mA @ 10kHz |
| Ripple Current @ Low Frequency: | 42mA @ 120Hz |
| Applications: | General Purpose |
| Ratings: | -- |
| Series: | SEK |
| Operating Temperature: | -40°C ~ 105°C |
| Lifetime @ Temp.: | 2000 Hrs @ 105°C |
| ESR (Equivalent Series Resistance): | 60.32 Ohm @ 120Hz |
| Voltage - Rated: | 250V |
| Tolerance: | ±20% |
| Capacitance: | 3.3µF |
| Moisture Sensitivity Level (MSL): | -- |
| Part Status: | Active |
| Lead Free Status / RoHS Status: | -- |
| Packaging: | Bulk |
Description
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Aluminum electrolytic capacitors are widely used electronic components that can store and release electrical energy or current. They are used in a variety of applications, such as power supplies, motor controls, communications equipment, and more. The SEK3R3M250ST is an example of one type of aluminum electrolytic capacitor that is used in industrial applications. In this article, we will explore the application field and working principle of the SEK3R3M250ST aluminum electrolytic capacitor. We will discuss the construction and operation of these devices, and give a brief overview of their benefits and limitations. The SEK3R3M250ST aluminum electrolytic capacitor is a radial-lead, polarized, electrolytic capacitance device. It is a negative-polarity device, meaning that the negative lead is connected to the grounding side of the circuit. This device is rated at 250mF, 25 volts (25V). The construction of the SEK3R3M250ST is simple and straightforward. It consists of two cylindrical, metallic electrodes (an anode and a cathode) that are separated by an insulating paper layer. The electrodes are positioned tightly against the base of the aluminum canister and are surrounded by a liquid electrolyte, which acts as the conducting medium of the device. The working principle of the SEK3R3M250ST involves the physical formation of a two-layer electrical field between the anode and the cathode. When a voltage potential is applied between the electrodes, charged particles in the electrolyte are attracted to the anode. This creates a buildup of negative ions on the cathode that is proportional to the applied voltage. At the same time, this build-up of negative ions attracts a layer of positive ions from the electrolyte. As these positive ions accumulate, they form a barrier of electric potential across the electrolyte, making it increasingly difficult for electric charge to pass through. This is the basis of the device’s capacitance and is what allows it to store and release electrical energy. The SEK3R3M250ST aluminum electrolytic capacitor is ideally suited for applications that require a high-capacitance and low-voltage device. It is ideal for use in DC-DC converters, AC-DC converters, and other power-supply circuits, as well as motor-control and communication circuits. The benefits of using the SEK3R3M250ST include its low profile (only 10mm in height), low ESR, high capacitance, and its long life expectancy. It has a long life rating of up to 10,000 hours under proper usage and environmental conditions. Additionally, its low ESR (equivalent series resistance) ensures that it has a low internal resistance, which helps to reduce power dissipation and improve efficiency. The SEK3R3M250ST aluminum electrolytic capacitor also has some limitations that should be considered. For example, due to the physical construction of the device, it is sensitive to shock and vibration, and may degrade over time. Additionally, its dielectric strength and breakdown voltage drop over time, making it unsuitable for high-pulse or high-frequency applications. In conclusion, the SEK3R3M250ST aluminum electrolytic capacitor is a reliable, efficient, and cost-effective choice for industrial applications that require a high-capacitance and low-voltage device. It has many benefits, such as a long life expectancy, low physical profile, and low ESR, but also has some limitations that should be considered.
The specific data is subject to PDF, and the above content is for reference
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| SEK330M025ST | Cornell Dubi... | 0.0 $ | 1000 | CAP ALUM 33UF 20% 25V RAD... |
| SEK330M160ST | Cornell Dubi... | 0.0 $ | 1000 | CAP ALUM 33UF 20% 160V RA... |
| SEK330M200ST | Cornell Dubi... | 0.0 $ | 1000 | CAP ALUM 33UF 20% 200V RA... |
| SEK330M350ST | Cornell Dubi... | 0.0 $ | 1000 | CAP ALUM 33UF 20% 350V RA... |
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| SEK332M050ST | Cornell Dubi... | 0.0 $ | 1000 | CAP ALUM 3300UF 20% 50V R... |
| SEK332M6R3ST | Cornell Dubi... | 0.0 $ | 1000 | CAP ALUM 3300UF 20% 6.3V ... |
| SEK3R3M100ST | Cornell Dubi... | 0.0 $ | 1000 | CAP ALUM 3.3UF 20% 100V R... |
| SEK3R3M160ST | Cornell Dubi... | 0.0 $ | 1000 | CAP ALUM 3.3UF 20% 160V R... |
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