M39006/25-0158H

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Tantalum capacitors (also known as TaCaps, Ta-caps, or polymeric tantalum capacitors) are solid electrolytic capacitors, which are major components of electronic devices used to store electrical charge. They are widely used in a variety of electronic circuits, including but not limited to voltage regulation and power filtering circuits. This article will discuss the application field and working principle of M39006/25-0158H, a popular type of tantalum capacitor.

The M39006/25-0158H is a high-voltage, low-impedance, high-frequency capacitor which offers superior performance in a variety of military, commercial, and industrial applications. It is designed to handle high sea-level altitudes, extreme temperature ranges, and operates between -55°C and +125°C. The capacitor consists of an acrylic case, a tantalum oxide anode, a manganese dioxide cathode, and a wet cathode electrolyte. The capacitance is 0.18μF (188pF) at 1kHz, 0.16μF (160pF) at 10kHz, and 0.12μF (120pF) at 100kHz. It has a working voltage rating of 35~50V, a maximum leakage current rating of 14.25mA, and an insulation resistance rating of 100M ohms.

Tantalum capacitors operate on the principle of electrolytic capacitance. When a voltage is applied across its terminals, the positive terminal attracts negatively charged electrons while the negative terminal attracts the positive charges. This charge separation creates what is known as an electric field. The capacitor’s capacitance increases with the concentration of charge carriers, and this relationship is represented by the equation C = Q/V, where Q is the electric charge and V the applied voltage. As the voltage increases, the capacitance increases and conversely, as the voltage decreases, the capacitance decreases.

In the case of the M39006/25-0158H, the charging process is facilitated by the wet cathode electrolyte which acts as a bridge between the anode and the cathode. The electrolyte conducts the charge carriers – in this case, the negative electrons – from the anode to the cathode, allowing the capacitor to charge quickly and efficiently. Once the voltage is applied and the capacitor has charged, the charge remains on the capacitor until the capacitor is discharged. The discharge process reverses the charging process as the charge carriers move back to the anode and the capacitor discharges. This is why tantalum capacitors are often referred to as “non-polarized” – since the charge carriers can move in either direction, they are not restricted to a single polarity.

The M39006/25-0158H is an ideal choice for applications requiring a high-performance, low-impedance, high-frequency capacitor. Its low impedance and extended temperature range make it suitable for use in harsh environments, and its superior performance ensures reliable power filtering and noise reduction. It is also suitable for high-frequency circuits such as audio, video, and D/A converters. In addition, its low-profile package makes it a good candidate for space-restricted applications.

In conclusion, the M39006/25-0158H is a versatile tantalum capacitor ideal for a wide variety of electronic applications. It offers superior performance in high-voltage, low-impedance, high-frequency circuits and is suitable for use in harsh environments. Its low-profile package makes it an ideal choice for space-restricted applications and its superior performance makes it an invaluable component for a variety of electronic circuits.

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