135D156X9035C6

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Tantalum Capacitors

Tantalum capacitors are a type of solid electrolytic capacitor. The 135D156X9035C6 is a very small encapsulated tantalum capacitor, measuring in at only 0.159 inches by 0.086 inches (4 mm x 2.2 mm). It is a surface mount type capacitor. The capacitor is frequently used in mobile phones, computers, automotive electronics, and medical devices, due to its very small size and versatility.

Application Field & Working Principle

Tantalum capacitors provide a number of advantages over other types of capacitors, such as aluminum electrolytic capacitors. They have a much higher capacitance for their size, have a very low equivalent series resistance (ESR), and have a much longer life than other capacitors. This makes them ideal for many applications, such as signal and audio filtering, leading and trailing edge or level shifting, power supply decoupling, and voltage stabilization.

Tantalum capacitors operate on the same principles as other capacitors. They are composed of two plates of different materials separated by an insulating dielectric material. This dielectric material is used to establish a electric field and thus store electrical energy. When a voltage is applied to the two plates, electrical charge is stored and this can then be used to regulate or filter signals. For the 135D156X9035C6, the material of the capacitor plates may be tantalum metal or niobium, and the dielectric material is a manganese dioxide electrolytic.

Nominal capacitance of the 135D156X9035C6 is 15 microfarads (uF), with a tolerance range between 12.5uF to 17.5uF at a maximum voltage of 6.3 Volts. The capacitor has a very low ESR of 0.08 ohms, with a leakage (DF) rated at 0.02% or lower. Its maximum operating temperature is 85°C, with a storage temperature range of -55°C to +85°C.

For large scale production of the 135D156X9035C6 capacitor, automated surface mount equipment, such as pick and place machines, are used. These machines allow for the automatic placement of the capacitors onto the appropriate substrates. This allows for the mass production of the capacitors in a short time.

Advantages & Disadvantages

The advantages of the 135D156X9035C6 tantalum capacitor over other types of capacitors include its very small size, long life, high capacitance for its size, and its very low ESR. Its small size makes it ideal for applications where space-saving is critical, such as in mobile phones and other compact electronic devices. It also has an extremely long life, with some manufacturers claiming up to 2000 hours of operating time. Its high capacitance and low ESR makes it especially suitable for use in high-frequency circuits such as computer motherboards and automotive electronic systems.

The main disadvantage of the 135D156X9035C6 is its cost. Tantalum capacitors are more expensive than aluminum electrolytic capacitors of similar size. They also have a tendency to short without warning, due to their manganese dioxide electrodes, so care must be taken when working with them to avoid potential problems. They also require proper handling due to their fragility.

The 135D156X9035C6 tantalum capacitor is a versatile component capable of meeting many requirements. Its small size and long life makes it ideal for applications such as signal and audio filtering, leading and trailing edge or level shifting, power supply decoupling, and voltage stabilization. Its main disadvantage is its cost, and it should be handled with care due to its fragility.

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