| Allicdata Part #: | T491A225K016AT7280-ND |
| Manufacturer Part#: |
T491A225K016AT7280 |
| Price: | $ 0.05 |
| Product Category: | Capacitors |
| Manufacturer: | KEMET |
| Short Description: | CAP TANT 2.20UF 16.0V |
| More Detail: | 2.2µF Molded Tantalum Capacitors 16V 1206 (3216 Me... |
| DataSheet: |  T491A225K016AT7280 Datasheet/PDF |
| Quantity: | 1000 |
| 9000 +: | $ 0.03969 |
Specifications
| Lifetime @ Temp.: | 2000 Hrs @ 125°C |
| Failure Rate: | -- |
| Features: | General Purpose |
| Ratings: | -- |
| Manufacturer Size Code: | A |
| Lead Spacing: | -- |
| Height - Seated (Max): | 0.071" (1.80mm) |
| Size / Dimension: | 0.126" L x 0.063" W (3.20mm x 1.60mm) |
| Package / Case: | 1206 (3216 Metric) |
| Mounting Type: | Surface Mount |
| Series: | T491 |
| Operating Temperature: | -55°C ~ 125°C |
| ESR (Equivalent Series Resistance): | 6 Ohm |
| Type: | Molded |
| Voltage - Rated: | 16V |
| Tolerance: | ±10% |
| Capacitance: | 2.2µF |
| Part Status: | Active |
| Packaging: | Tape & Reel (TR) |
Description
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T491A225K016AT7280 is a series of SMD (surface mounted device) tantalum capacitors manufactured by Vishay. It is a polymer electrolytic capacitor with a three-terminal structure, a wide rated voltage range from 2.5V to 47V and low equivalent series resistance (ESR). It has a wide variety of applications, for example, decoupling capacitors, dc/dc converters and pulse-shaping circuitry.
Introduction to Tanatalum Capacitors
A tantalum capacitor is a type of electrolytic capacitor, a component of electronic circuits. It consists of two electrodes, one anode which is typically made of tantalum metal, and a second cathode made of a suitable oxide such as tantalum pentoxide. The oxide layer acts as the dielectric of the capacitor. Its small physical size, high capacitance, low ESR and high reliability make it a popular capacitor choice in electronic devices and applications. Tantalum capacitors can range in capacitance from 1µF to over 1000µF.Working Principle of Tantalum Capacitors
Tantalum capacitors are formed when an anode of tantalum is oxidized to form a layer of tantalum pentoxide. This layer of tantalum pentoxide works as the dielectric for the capacitor, allowing current to flow between the anode and cathode. The thickness of the dielectric layer is dependent upon the applied voltage. When a voltage is applied to a tantalum capacitor, electrostatic attraction forms between the anode and cathode, creating the electrical field necessary to produce energy storage. When the capacitor is not in use or is stored, it is important to keep the stored energy at a low level. This is done by applying a reverse voltage. The reverse voltage “bleeds” the stored energy by forcing electrons to flow back through the anode-cathode path, thus reducing the stored electrical energy.T491A225K016AT7280 Applications
The T491A225K016AT7280 is a wide operating voltage SMD capacitor and is ideal for applications requiring a high capacitance value in a small package. It is commonly found in power management applications, including decoupling capacitors, as they provide sufficient capacitance to increase the efficiency of the power system design. Additionally, the T491A225K016AT7280 is also used in pulse-shaping circuitry and DC/DC converters. As the T491A225K016AT7280 has low ESR characteristics, it is ideal for use as decoupling capacitors in power supply applications, as they reduce switching noise and reduce the effects of power line noise. Decoupling capacitors also reduce voltage droop as current is drawn from system to peripheral/ICs, thus providing a steady voltage source to devices. The T491A225K016AT7280 SMD tantalum capacitors are designed for surface mounting applications, allowing for a small footprint in applications. They also include a metal case, which helps to reduce electrostatic discharge from the capacitor and helps to protect it from mechanical shock.Conclusion
In conclusion, the Vishay T491A225K016AT7280 SMD tantalum capacitor is a widely applicable and rugged device that provides small size and high capacitance in a range of applications. Its low equivalent series resistance makes it an effective solution for reducing switching noise, pulse-shaping circuitry and DC/DC converters. Additionally, its metal case enhances the ESD protection and shock resistance of the device.The specific data is subject to PDF, and the above content is for reference
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