T491C226M025ZTZ154 Capacitors |
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Allicdata Part #: | 399-5154-2-ND |
Manufacturer Part#: |
T491C226M025ZTZ154 |
Price: | $ 0.00 |
Product Category: | Capacitors |
Manufacturer: | KEMET |
Short Description: | CAP TANT 22UF 25V 20% 2312 |
More Detail: | 22µF Molded Tantalum Capacitors 25V 2312 (6032 Met... |
DataSheet: | T491C226M025ZTZ154 Datasheet/PDF |
Quantity: | 1000 |
Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
1 +: | 0.00000 |
Operating Temperature: | -55°C ~ 125°C |
Failure Rate: | -- |
Features: | General Purpose |
Manufacturer Size Code: | C |
Lead Spacing: | -- |
Height - Seated (Max): | 0.110" (2.80mm) |
Size / Dimension: | 0.236" L x 0.126" W (6.00mm x 3.20mm) |
Package / Case: | 2312 (6032 Metric) |
Mounting Type: | Surface Mount |
Lifetime @ Temp.: | -- |
Series: | T491 |
ESR (Equivalent Series Resistance): | 1.4 Ohm |
Type: | Molded |
Voltage - Rated: | 25V |
Tolerance: | ±20% |
Capacitance: | 22µF |
Moisture Sensitivity Level (MSL): | -- |
Part Status: | Obsolete |
Lead Free Status / RoHS Status: | -- |
Packaging: | Tape & Reel (TR) |
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Tantalum Capacitors
T491C226M025ZTZ154 is a type of tantalum capacitor which has a wide range of applications in many different fields and works on the principle of electrochemical double layer capacitance. Tantalum capacitors are particularly well-suited for high-power applications, owing to the high-capacity energy density achieved by their use.
Application Field of T491C226M025ZTZ154
The application field of the T491C226M025ZTZ154 tantalum capacitor ranges widely, from automotive, consumer electronics, LED lighting, medical, telecom, and power electronics to computer/peripheral devices. It can also be used in any of the diverse capacitance applications like filtering, timing, signal processing, and decoupling. It is also commonly used in audio and video equipment, such as amplifiers, switches, and SMPS circuits. Due to its stability, durability, robustness, and long-term consistency, it is preferred in mission-critical applications.
Working Principle of T491C226M025ZTZ154
The T491C226M025ZTZ154 tantalum capacitor works on the principle of electrochemical double layer capacitance (EDLC). Tantalum is first converted into powder before being dissolved in an aqueous solution containing an electrolyte (usually an acid). The next step is to apply an alternating current to the electrodes which oxidize the metal ions (cations) to form an anionic oxide layer on the surface of the electrode. This process is known as “forming” and creates the insulating dielectric layer. The formed tantalum capacitor is then connected to a dielectric (polyethylene) film, and a metal casing completes the internal assembly.
The main function of the EDLC is to store electrical charge on the dielectric layer, thus providing a capacitance, which can then be harnessed for storing energy. To increase the capacitance value, the surface area of the electrode is increased through the addition of a rough coating of dielectric material. The formed tantalum capacitor can be particularly useful in prolonging the life of the circuit being used, due to its ability to withstand frequent cycling.
Conclusion
The T491C226M025ZTZ154 tantalum capacitor is a versatile device with numerous applications in diverse fields. It works on the principle of electrochemical double layer capacitance. It offers many advantages including a high capacity energy density, stability, durability, robustness, and long-term consistency. It is a suitable choice for mission-critical applications which require reliability, compact size, and long-term performance.
The specific data is subject to PDF, and the above content is for reference
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