| Allicdata Part #: | T491D226K020AT7622-ND |
| Manufacturer Part#: |
T491D226K020AT7622 |
| Price: | $ 0.19 |
| Product Category: | Capacitors |
| Manufacturer: | KEMET |
| Short Description: | CAP TANT 22.0UF 20.0V |
| More Detail: | 22µF Molded Tantalum Capacitors 20V 2917 (7343 Met... |
| DataSheet: |  T491D226K020AT7622 Datasheet/PDF |
| Quantity: | 1000 |
| 500 +: | $ 0.16585 |
Specifications
| Lifetime @ Temp.: | 2000 Hrs @ 125°C |
| Failure Rate: | -- |
| Features: | General Purpose |
| Ratings: | -- |
| Manufacturer Size Code: | D |
| Lead Spacing: | -- |
| Height - Seated (Max): | 0.122" (3.10mm) |
| Size / Dimension: | 0.287" L x 0.169" W (7.30mm x 4.30mm) |
| Package / Case: | 2917 (7343 Metric) |
| Mounting Type: | Surface Mount |
| Series: | T491 |
| Operating Temperature: | -55°C ~ 125°C |
| ESR (Equivalent Series Resistance): | 800 mOhm |
| Type: | Molded |
| Voltage - Rated: | 20V |
| Tolerance: | ±10% |
| Capacitance: | 22µF |
| Part Status: | Active |
| Packaging: | Tape & Reel (TR) |
Description
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Tantalum capacitors are a type of electrical component that works by storing electrical charge within a metal oxide layer, usually Ta2O5. The metal oxide acts as an insulator, preventing electrical current from flowing through the capacitor. This allows the capacitor to store and release a delightful amount of energy without suffering from the typical degradation associated with capacitors based on other materials. The T491D226K020AT7622 is a particular type of tantalum capacitor, available as a surface mount device with a radial leaded profile, making it suitable for installation in high density circuit boards. This type of capacitor is known for its capacitance values of 0.22 uF and voltage ratings of 20 volts - making it perfect for applications where a high level of electrostatic discharge (ESD) protection is needed. In terms of its applications, the T491D226K020AT7622 is mainly used in automotive, networking and consumer electronics. Its particularly suitable as a part of anti-lock braking systems (ABS) in vehicles, as well as other applications where a high level of ESD protection is needed. It can also be used in circuits where the capacitor needs to be able to handle a high frequency of switching, as its capacitance value remains stable up to about 100kHz. When it comes to its working principle, it’s important to understand how tantalum capacitors work. These capacitors are essentially made up of two metal plates with a layer of tantalum oxide between them. The metal plates act as the electrodes and the tantalum oxide acts as the dielectric. The metal plates hold an electrical charge, allowing the capacitor to store and release energy. When the two metal plates are connected to a voltage source, electrons flow from the negative plate to the positive plate. This creates an electric field between the plates which attracts the opposite charges. This creates electric potential, or stored energy, and it is this that the capacitor is able to use when needed. When a capacitor like the T491D226K020AT7622 is connected to a circuit, it acts as a filter. It stores charge and then releases it as the circuit needs it. This helps to protect the circuit from certain types of noise and interference - making it much more reliable. The capacitor is also able to protect against surges in electric current which may otherwise damage the circuit. In conclusion, the T491D226K020AT7622 is a type of tantalum capacitor that is mainly used in automotive, networking and consumer electronics applications. It has a capacitance of 0.22uF and voltage ratings of 20 volts, making it ideal for applications where a high level of ESD protection is needed. It works by storing electrical charge within a metal oxide layer and releasing it when the circuit needs it, providing protection against noise and surges in electric current.
The specific data is subject to PDF, and the above content is for reference
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