M39003/09-4074H

Tantalum Capacitors

The M39003/09-4074H is a small, cylindrical surface mount tantalum capacitor from Amphenol. It is made of tantalum with a MnO2 dielectric. The size of this part is 0.093\'\' diameter x 0.039\'\' length. It has a rated voltage of 4V, a tolerance of © 20%, and capacitance of 47 µF. This capacitor is commonly used in handheld electronic devices, as its size and rated voltage make it ideal for such applications.

Applications

The primary application of the M39003/09-4074H capacitor is in handheld electronic devices. Examples of these devices include smartphones and portable medical equipment. For these devices, the high capacity and small physical size of this capacitor are ideal, as they make space optimization easier. Additionally, the 4 V rating is suitable for the power requirements of most of such devices, which further makes this capacitor an attractive choice.

Another common application of this capacitor is in military and aerospace electronics which require higher performance levels than consumer devices. This capacitor is well suited for these applications due to its reliability and low leakage, as well as its low power consumption. This makes it ideal for a variety of military and aerospace applications, such as guidance systems, radar systems, and communication systems.

Working Principle

The working principle of the M39003/09-4074H is similar to other tantalum capacitors. It is made up of two layers of tantalum, which have different levels of atomic bonding. When a voltage is applied to the capacitor, the electrons in the metallic layers begin to migrate and acquire energy. This energy causes a separation of the two layers, and results in a capacitance. The capacitance of the capacitor is proportional to the applied voltage, and the amount of energy transferred.

The MnO2 dielectric in the M39003/09-4074H plays an important role in the capacitor’s operation. It acts as a barrier between the two metal layers, and prevents the electrons from moving between the layers. This separation helps to maintain a stable capacitance, as opposed to a dynamic capacitance which can change depending on the applied voltage. Additionally, the dielectric helps to prevent short-circuiting, and helps to ensure that the capacitor operates reliably.

Conclusion

The M39003/09-4074H is a small, cylindrical surface mount tantalum capacitor from Amphenol. It is well-suited for applications in handheld electronic devices, and military and aerospace electronics. This capacitor works in a similar manner to other tantalum capacitors, and is able to provide a stable capacitance due to the MnO2 dielectric that is present. All of these factors make the M39003/09-4074H an attractive option for a wide variety of applications.