T540D226K020AH8505

Operating Temperature:	-55°C ~ 125°C
Features:	High Reliability
Ratings:	COTS
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
Lifetime @ Temp.:	2000 Hrs @ 125°C
Series:	KO-CAP® T540
ESR (Equivalent Series Resistance):	100 mOhm @ 100kHz
Type:	Molded
Voltage - Rated:	20V
Tolerance:	±10%
Moisture Sensitivity Level (MSL):	--
Capacitance:	22µF
Lead Free Status / RoHS Status:	--
Part Status:	Active

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<p>Tantalum - Polymer Capacitors encompass a range of devices designed to store electrical energy. The T540D226K020AH8505 is a specific variant of this type of device, and is used fairly extensively in many applications. As a small, lightweight, and cost-effective capacitor, it can be used in a variety of applications, from consumer electronics to industrial controllers, and offers superior performance even in harsh environments. The following sections will look at the T540D226K020AH8505\'s application field and working principle in detail.</p><h3>Application Field</h3><p>The T540D226K020AH8505 is a type of surface-mountable tantalum polymer capacitor, and as such is well suited to the majority of high-density, high-reliability applications. These include mobile phones, PDAs, audio equipment, automotive electronics, and even some smaller aerospace electronics.</p><p>It is also extremely well suited to medical electronics applications. The small size, low weight and high capacitance of the T540D226K020AH8505 make it ideal for applications such as implantable medical devices, where space and weight are at a premium.</p><p>The T540D226K020AH8505 is also useful in a wide range of industrial applications. It is well suited to the higher operating temperature ranges encountered in industrial controllers and other industrial electronics, and can also offer a relatively high capacitive storage compared to other devices of a similar size and cost.</p><p>Finally, the T540D226K020AH8505 is also suitable for use in automotive applications. As a high-reliability, low-cost capacitor, it is well suited to the rigorous demands of the automotive industry, where capacitors are expected to maintain a stable voltage and current even in extreme temperatures and vibration.</p><h3>Working Principle</h3><p>The basic working principle of the T540D226K020AH8505 is fairly standard for tantalum capacitors. Essentially, electrical energy is stored when an electrical charge is passed through the device. When the current is removed, the stored energy is released, allowing the capacitor to be used as an energy source in a circuit.</p><p>The T540D226K020AH8505 contains two tantalum plates, sandwiched together by a tantalum polymer electrolyte in between them. This electrolyte serves two main functions; firstly, it helps to form a dielectric between the two plates, allowing them to store a charge, and secondly, it also allows electrons to migrate freely between the plates.</p><p>When a voltage is applied to the device, the voltage will travel through the electrolyte, charging the plates with a static charge. The static electrical field created between the plates then attracts and stores the electrons, allowing the capacitor to store energy and then release it when the voltage is removed.</p><p>The T540D226K020AH8505 has a rated voltage of 6.3V and a rated capacitance of 22uF, making it suitable for a wide range of applications, from consumer electronics to automotive applications.</p><h3>Conclusion</h3><p>Tantalum - Polymer capacitors, including the T540D226K020AH8505, are extremely useful devices. They offer high capacitance in a small package, and are more than capable of handling the rigors of a wide range of applications, from consumer electronics to industrial controllers and digital medical devices.</p><p>The working principle of the T540D226K020AH8505 is fairly standard for tantalum capacitors, in that an electrical charge is passed through the device, which then stores it for later use. This stored energy can then be released when the voltage is removed, making for a highly efficient, reliable and cost-effective capacitor.</p>

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