M39003/01-2998

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Tantalum capacitors are a type of electrolytic capacitor commonly used in electronics. They are known for their small size and high capacitance. The M39003/01-2998 is a surface mount, solid tantalum capacitor, with a voltage range of 10-25 volts and a capacitance of 10-50 microfarads (µF).

Application Field

The M39003/01-2998 is a general-purpose capacitor, suitable for applications such as bypass, coupling, filtering, and decoupling. It is widely used in automated test equipment, telecommunications, audio/video, and computer/peripheral equipment.

Key Specifications

The M39003/01-2998 has a capacitance range of 10-50µF, an operating temperature range of -55°C to +125°C and an equivalent series resistance of 1.5 ohms. It also has a voltage range of 2.5, 5, 10, 15, 20, and 25 volts. It offers higher capacitance for its size than other equally rated capacitors, making it an attractive choice for limited-space applications.

Working Principle

Tantalum capacitors work on the principle of electrostatic attraction. An electrolyte, usually aqueous based, is sandwiched between two layers of metal, one of which is a tantalum foil. When a potential is applied across the capacitor, charges of opposite polarity accumulate on each metal layer. This creates an electric field between the layers, which gives the capacitor its capacitance. As the voltage across the capacitor increases, so does the electric field, resulting in a greater capacitance.

Reliability, Cost, and Availability

Tantalum capacitors are known for their reliability, and the M39003/01-2998 is no exception. The capacitor contains a built-in protection feature to prevent short circuits, and it is designed for long-term reliability. It also offers a relatively low cost for its rated capacitance, making it an attractive choice in cost-sensitive applications. The M39003/01-2998 is widely available from a number of suppliers.

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