EKMM351VSN331MQ45S

Polarization:	Polar
Package / Case:	Radial, Can - Snap-In
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	1.850" (47.00mm)
Size / Dimension:	1.000" Dia (25.40mm)
Lead Spacing:	0.394" (10.00mm)
Ripple Current @ High Frequency:	1.8447A @ 50kHz
Ripple Current @ Low Frequency:	1.29A @ 120Hz
Applications:	General Purpose
Ratings:	--
Series:	KMM
Operating Temperature:	-25°C ~ 105°C
Lifetime @ Temp.:	3000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	753 mOhm @ 120Hz
Voltage - Rated:	350V
Tolerance:	±20%
Capacitance:	330µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction to Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors, also known as aluminum electrolytic capacitors, are the most widely used capacitors in electronic equipment. These capacitors consist of an aluminum foil with an oxide layer, a wet electrolyte and two lead ends for electrical connection. They have a large capacitance, temperature coefficient, and long service life, making them ideal for many applications.

The EKMM351VSN331MQ45S Application Field and Working Principle

The EKMM351VSN331MQ45S is an aluminum electrolytic capacitor developed by CapXon. It has a capacitance of 330μF and a rated voltage of 35V DC. The capacitor is designed for low ESR, long life, and high reliability in applications such as power supply, clock stretching, ESD protection, printer control, and JTAG circuits. It is an ultra-small, high-capacitance surface-mount aluminum electrolytic capacitor. The working principle of the EKMM351VSN331MQ45S is based on a polarized electrolytic capacitor design. An anode is contained in the capacitor, and the anode is formed by a thin layer of aluminum (or tantalum) foils. The anode of an electrolytic capacitor is oxidized, forming an insulating layer, which acts as the dielectric layer of the capacitor. The electrolyte is then applied to the anode and a permanent voltage is applied, forming a storage cell. This storage cell acts as a barrier between the anode and cathode, allowing only AC currents to pass. The AC currents are then converted into DC current, which is used to store energy.

Advantages and Disadvantages

The EKMM351VSN331MQ45S aluminum electrolytic capacitor has a wide range of advantages. It has a low ESR, can be operated from -55°C to +105°C, offers high reliability and long life, and its size and weight are small and light. It also has high capacitance, which means it can store more energy within a smaller volume. Furthermore, it is resistant to shock and vibration.However, the EKMM351VSN331MQ45S aluminum electrolytic capacitor also has some drawbacks. Most notably, it has a high leakage current due to the nature of its oxide dielectric layer. This means it has poor insulation performance and poor heat resistance, which can lead to an early failure if the capacitor is placed in a high-temperature environment. Additionally, due to its low capacitance, it has a relatively low voltage range compared to other modern capacitors.

Conclusion

In conclusion, the EKMM351VSN331MQ45S aluminum electrolytic capacitor is a great choice for low ESR and high reliability in applications such as power supply, clock stretching, ESD protection, printer control, and JTAG circuits. While it may not be as versatile as other modern capacitors due to its low capacitance and voltage range, its small size, light weight, high reliability and long life make it a great choice for many applications.

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