F320G157MBA Capacitors

Features:	General Purpose
Series:	F32
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Capacitance:	150µF
Tolerance:	±20%
Voltage - Rated:	4V
Type:	Molded
ESR (Equivalent Series Resistance):	45 mOhm
Operating Temperature:	-55°C ~ 105°C
Lifetime @ Temp.:	--
Mounting Type:	Surface Mount
Package / Case:	1411 (3528 Metric)
Size / Dimension:	0.138" L x 0.110" W (3.50mm x 2.80mm)
Height - Seated (Max):	0.083" (2.10mm)
Lead Spacing:	--
Manufacturer Size Code:	B
Ratings:	--

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Tantalum - Polymer Capacitors: F320G157MBA Application Field and Working Principle

Tantalum - Polymer capacitors are capacitors made of a metallic (typically tantalum) electrode covered in a polymer electrolyte, as opposed to traditional electrolytic capacitors. They are built in two formats: solid, which resembles a standard electrolytic capacitor in shape and construction, and wound, which looks like a cast coil. Tantalum - Polymer capacitors have many advantages over traditional electrolytic capacitors.Tantalum - Polymer capacitors are commonly used to build power supplies, stabilize power systems, store energy, and filter out high-frequency noise. The F320G157MBA is a type of tantalum - polymer capacitor that is often used in high-grade digital systems. It has a high conductance for voltage regulation and low-flow power, making it ideal for maintaining voltage and current stability.

Construction and Working Principle

The F320G157MBA is a high-grade solid tantalum - polymer capacitor. It is constructed of a metal (typically tantalum) electrode that is covered with a polyanion layer. The polyanion layer acts as an electrolyte, allowing current to flow between the two electrodes while still preventing leakage.The working principle of a F320G157MBA is based on the same principle as any capacitor. When a voltage is applied across the terminals, an electric field is created in the polyanion layer. This electric field creates an electric double layer that stores energy in the form of charge. This charge can then be released when the voltage is removed, allowing for a voltage ripple or spike to be smoothed out.

Advantages

The F320G157MBA has several advantages over traditional electrolytic capacitors. These advantages include:

• Greater Capacitance: The F320G157MBA has a high capacitance rating, which means it can store more energy than traditional capacitors.
• Higher Voltage Rating: The F320G157MBA is rated for higher voltages than traditional electrolytic capacitors, making it ideal for use in high power applications.
• Lower Equivalent Series Resistance (ESR): The ESR of a F320G157MBA is much lower than that of a traditional electrolytic capacitor, resulting in higher current handling capabilities and a low voltage ripple.
• Higher Temperature Stability: Unlike electrolytic capacitors, F320G157MBA capacitors have a high temperature stability, allowing them to operate reliably in extreme conditions.
• Longer Lifetime: The F320G157MBA has an exceptionally long shelf life and a guaranteed warranty, meaning it will last longer and provide more consistent performance than traditional capacitors.
• Non-polarity: The F320G157MBA is non-polar, meaning that it can be used in either orientation without affecting performance or reliability. This makes it ideal for use in space-constrained systems, where orientation may not be known in advance.

Disadvantages

While the F320G157MBA has many advantages over traditional electrolytic capacitors, it also has some disadvantages. These disadvantages include:

• High Cost: The F320G157MBA is often expensive, making it cost-prohibitive for some applications.
• Difficult Manufacturing Process: The complex manufacturing process of making a F320G157MBA makes it difficult to produce in large quantities.
• Non-Replacementable: Due to the complexity of the construction of a F320G157MBA, they are not easily replaced if they fail.
• Lower Conductance: The F320G157MBA has a lower conductance than traditional electrolytic capacitors, meaning it may not be suitable for some applications.

Applications

The F320G157MBA is often used in circuits where high-frequency noise filtering, low-flow power, and voltage regulation is required. It is also used in high-grade digital systems, where its low ESR and long lifetime make it especially useful. These applications include automotive circuits, telecommunication systems, medical equipment, and any other circuit that requires stability and reliability.

Conclusion

The F320G157MBA is a high-grade tantalum - polymer capacitor that is suitable for use in a range of applications. It has many advantages over traditional electrolytic capacitors, including a high capacitance rating, a high temperature stability, and a guaranteed shelf life. It also has some disadvantages, such as a high cost and a difficult manufacturing process. However, its benefits make it an ideal choice for applications requiring high voltages, stabile power supplies, or low-flow power.

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