M39003/03-4002H

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Tantalum Capacitors

Tantalum capacitors are a type of capacitor used in electronic products. They are widely used in consumer electronic products such as mobile phones, personal digital assistants (PDAs), household appliances, and computing systems. They are also used in industrial and military applications. Their advantages include excellent stability, high capacitance, low leakage current, wide temperature range, and long life expectancy. They are usually regarded as a good choice for high reliability applications.

The M39003/03-4002H is a radial-lead, bipolar tantalum capacitor that is rated for 10 µF with an operating voltage of 50 VDC. It is offered in three different ESR (Equivalent Series Resistance) ratings of 0.1, 0.2, and 0.4 Ohm. Its size is 0.8 mm x 0.2 mm and provides a temperature range of −55°C to +125°C.

The M39003/03-4002H application field includes telecom systems, high-end consumer electronics, military and security systems, industrial equipment applications and medical instruments. Its features ensure it is suitable for operation in space applications, in the presence of high electromagnetic interference, medical implant or surgery products and applications necessitating high reliability.

The working principle of the M39003/03-4002H is based on the electrolytic capacitor principle. An electrolytic capacitor is a passive device that stores energy in the form of an electrical field. It uses two plates insulated by an electrolyte medium to accumulate charge. The two metal plates of the capacitor act as electrodes. When current flows through the capacitor, the metal plates accumulate charge and oppositely charged ions. This difference in charge creates an electrical field between them.

The M39003/03-4002H includes two electrodes: an anode and a cathode. The anode is made of tantalum, and the cathode is made of manganese dioxide (MnO2). The anode is then coated with a protective layer, also known as the cathode coating. This creates a barrier and prevents any leakage current from passing through the capacitor. The capacitor is also surrounded by an electrolyte, which helps to carry the current.

The M39003/03-4002H is a high capacitance and low ESR capacitor. This allows for excellent energy storage and reduced power loss in high frequency switching applications. The low ESR also provides excellent impedance characteristics. The low impedance can help reduce energy loss and potential hazard due to heat dissipation in a circuit. It also offers excellent stability over a wide range of temperatures and can handle higher ripple currents. The low leakage and long life expectancy also make it an ideal choice for high reliability applications.

In conclusion, the M39003/03-4002H is a radial-lead, bipolar tantalum capacitor that is widely used in telecom systems, high-end consumer electronics, military and security systems, industrial equipment applications, and medical instruments. Its working principle is based on the electrolytic capacitor principle with an anode that is made of tantalum and a cathode that is made of manganese dioxide (MnO2). It offers excellent stability, high capacitance, low leakage current, wide temperature range, and long life expectancy. Its low ESR also provides excellent impedance characteristics and makes it an ideal choice for high reliability applications.

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