Allicdata Part #: | CWR26HK226JBGC\HR-ND |
Manufacturer Part#: |
CWR26HK226JBGC\HR |
Price: | $ 16.07 |
Product Category: | Capacitors |
Manufacturer: | Vishay Sprague |
Short Description: | CAP TANT 22UF 5% 15V 2711 |
More Detail: | 22µF Conformal Coated Tantalum Capacitors 15V 2711... |
DataSheet: | CWR26HK226JBGC\HR Datasheet/PDF |
Quantity: | 1000 |
Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
300 +: | $ 14.60300 |
Series: | Military, MIL-PRF-55365/13, CWR26 |
Packaging: | Tape & Reel (TR) |
Lead Free Status / RoHS Status: | -- |
Part Status: | Active |
Moisture Sensitivity Level (MSL): | -- |
Capacitance: | 22µF |
Tolerance: | ±5% |
Voltage - Rated: | 15V |
Type: | Conformal Coated |
ESR (Equivalent Series Resistance): | 275 mOhm |
Operating Temperature: | -55°C ~ 125°C |
Lifetime @ Temp.: | -- |
Mounting Type: | Surface Mount |
Package / Case: | 2711 (6728 Metric) |
Size / Dimension: | 0.265" L x 0.110" W (6.73mm x 2.79mm) |
Height - Seated (Max): | 0.125" (3.17mm) |
Lead Spacing: | -- |
Manufacturer Size Code: | G |
Features: | Military |
Failure Rate: | B (0.1%) |
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Tantalum Capacitors
Tantalum capacitors are commonly used for applications in the fields of signal processing, high frequency switching, and power supply. The CWR26HK226JBGC\HR is a type of high temperature, high frequency tantalum capacitor specifically designed for use in these applications. The capacitor features two electrodes (an anode and a cathode) separated by a tantalum dielectric material. The dielectric material has a high breakdown voltage and possesses a high resistance to leakage, making it ideal for use in the mentioned applications.
Working Principle
The working principle of a tantalum capacitor is similar to a standard electrolytic capacitor. A voltage difference across the terminals results in charge accumulation on the anode and the cathode. This charge accumulation is due to the migration of the chemical ions in the electrolyte towards the surface of the electrode. This ionic movement is called the diffusion process. The accumulated charge creates an electric field that causes a current to flow between the electrodes. As the capacitor is charged and discharged, the electrolyte ions migrate between the electrodes, resulting in a energy storage effect.
Construction and Materials
A CWR26HK226JBGC\HR tantalum capacitor is made up of three main components: the anode, the cathode, and the capacitive dielectric material. The anode is typically constructed from a high permittivity tantalum oxide material. The anode surface is then coated with an electrolyte, such as potassium hydroxide, to form a film between the anode and cathode. The cathode is usually made from a metallic material, such as stainless steel, with a high tolerance of high temperature and corrosion resistance. The distance between the anode and cathode is maintained by a thin tantalum dielectric material.
Packaging and Mounting
The CWR26HK226JBGC\HR is a “through-hole” capacitor, meaning that it is designed to be mounted on a surface such as a printed circuit board. This type of capacitor typically comes in a radial lead package, which means that it is designed for a two-way connection. The capacitor is typically housed in a plastic packaging for protection and insulation.
Specifications
The CWR26HK226JBGC\HR has a rated voltage of 25 volts, a capacitance range of 0.1 μF to 100 μF, and a low capacitance tolerance of ±5%. It has an operating temperature range of -55°C to +85°C and has a ripple current rating of 2.4A at 120Hz. The device also features a outer sleeve of black nylon 66 and has a solderability rating ofin excess of 285°C.
Advantages and Disadvantages
The major advantages of using tantalum capacitors are their high stamina and reliability in applications such as high frequency switching and power supply. They also offer high capacitance values in a small physical package, with very low capacitance values, resulting in a high tolerance to high frequency.
However, one disadvantage of using tantalum capacitors is their fragility. Unlike other capacitor types, the tantalum oxide layer that separates the anode and the cathode can become easily damaged due to excessive heat or humidity. This can lead to leakage or a short circuit. Additionally, the device features a high level of leakage current compared to other capacitors, meaning that they need to be used in the correct applications to limit any undesired effects.
Conclusion
The CWR26HK226JBGC\HR is a type of high temperature, high frequency tantalum capacitor specifically designed for power electronics area. It is made up of three main components: an anode, a cathode, and a tantalum dielectric material. The capacitor offers excellent reliability in demanding applications and can operate at temperatures as low as -55°C and as high as +85°C. However, its fragility and higher leakage current can lead to performance issues if the capacitor is not used in its intended application.
The specific data is subject to PDF, and the above content is for reference
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