T540D157K006CH8605

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Tantalum - Polymer Capacitors, also known as Ta-Poly Capacitors, are one of the most popular surface mount capacitor devices used in a range of consumer, automotive and industrial applications. They are widely used as a quality alternative to conventional electrolytic capacitor designs due to their extremely low ESR and ESL characteristics, enhanced temperature stability and miniaturised device sizes. The T540D157K006CH8605 is a popular model of the Ta-Poly Capacitors range and the following will explore its applications and working princicple.

The T540D157K006CH8605 is a 5.4 Case Size, 0.157 T/C, EIA-1206 (2.1mm x 1.6mm) Surface Mount, High Stability SMD tantalum polymer capacitor. This device is specifically designed for portable and handheld applications, providing superior electrical characteristics in a very tight package. It offers an extremely low equivalent series resistance (ESR) of 0.007 ohms combined with an extremely low equivalent series inductance (ESL) of 0.030 nH. In addition, its temperature range is -40 to +105 Celsius and it is rated at a maximum operating voltage of 4V.

The T540D157K006CH8605 is highly suitable for use in high frequency oscillator applications as it offers excellent electrical and frequency characteristics. In this application, the device acts as a No-Load Capacitor and is used to maintain the oscillator’s frequency and avoid distortions and incorrect frequencies. In addition, the device is also highly suited to Bridged or Filtered circuits, Resonance and decoupling, as well as many other electronic measurement and control uses. In these applications, the device constantly restricts the supply current and enhances signal performance.

The working principle of the T540D157K006CH8605 is the same as that of other surface mount tantalum capacitors. It always features two electrical terminals, one of which is positive and the other negative. These terminals connect to two thin metallic tinned-foil plates, which are positioned inside the device’s base, parallel to each other and some distance apart. A thin layer of tantalum oxide is then applied to the plates and a polymer impregnated dielectric film is placed over them. This forms a dependable electrical connection that offers excellent electrical insulation. The device performs its functions by accepting and discharging current as required and regulating signal integrity.

In summary, the T540D157K006CH8605 Ta-Poly Capacitor is an excellent choice for a wide range of portable and handheld device applications, such as Oscillators, Resonance, signal filtering, decoupling and electronic measurement and control. It provides enhanced signal performance, stability and temperature control, in a very small form factor. The device’s working principle is based on the same principles as all other surface mount tantalum polymer capacitors, which rely on two thin metallic plates, a tantalum oxide layer and a polymer impregnated dielectric film.

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