UCZ1E122MNQ1ZD

Ratings:	--
Package / Case:	Radial, Can - SMD
Mounting Type:	Surface Mount
Surface Mount Land Size:	0.673" L x 0.673" W (17.10mm x 17.10mm)
Height - Seated (Max):	0.689" (17.50mm)
Size / Dimension:	0.630" Dia (16.00mm)
Lead Spacing:	--
Ripple Current @ High Frequency:	1.7A @ 100kHz
Ripple Current @ Low Frequency:	850mA @ 120Hz
Applications:	General Purpose
Series:	UCZ
Polarization:	Polar
Operating Temperature:	-40°C ~ 125°C
Lifetime @ Temp.:	3500 Hrs @ 125°C
ESR (Equivalent Series Resistance):	47 mOhm @ 100kHz
Voltage - Rated:	25V
Tolerance:	±20%
Capacitance:	1200µF
Part Status:	Active

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Introduction to Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors belong to a class of capacitors that use liquid electrolyte to store electrical energy. They are made of two pieces of aluminum foil (the anode and cathode) and a separator called an electrolyte. In short, they are a type of capacitor used in many applications to store energy, such as in DC power supplies, filters, oscillators, and timing circuits.

UCZ1E122MNQ1ZD Application Field and Working Principle

UCZ1E122MNQ1ZD is a type of aluminum electrolytic capacitor which is widely used in different types of applications. It has a voltage rating of up to 50V and a ripple current of up to 160mA. This type of capacitor is mainly used in the following applications:

• Input and output smoothing of voltage regulation circuits in DC power supplies;
• Noise suppression and decoupling in switching power supplies;
• Filtering and decoupling for computer motherboards;
• Timing and oscillation circuits in medical instruments;
• DC Voltage Stabilization.

The working principle of UCZ1E122MNQ1ZD aluminum electrolytic capacitors is fairly simple. The two aluminum foils act as the electrodes which are charged when the alternating current passes through them. The electrolyte contained between the two foils acts as the dielectric, resulting in stored energy in the form of electrical charge. When a current needs to be discharged, the electrolyte allows the current to flow and discharged back out again.

Advantages of Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are one of the most popular types of capacitor, due to its various advantages. These include:

• High capacitance and energy density: Due to its construction and the electrolyte, it can provide a large capacity in a relatively small size.
• High temperature stability: The electrolyte used in these capacitors has a low freezing point and the construction is such that it helps maintain the capacitance even in high temperatures.
• Wide temperature range: It can be used in temperatures ranging from -55 to +125°C.
• High ripple current rating: The ripple current rating of aluminum electrolytic capacitors is higher than that of other capacitor types.

Disadvantages of Aluminum Electrolytic Capacitors

Despite its various advantages, aluminum electrolytic capacitors also have some drawbacks, which include:

• Low tolerance: The tolerance of aluminum electrolytic capacitors is usually lower than that of other capacitors, meaning that the actual capacitance of the device can be higher or lower than the original value.
• Limited shelf life: Aluminum electrolytic capacitors have a limited shelf life and should be used as soon as possible after purchasing.
• Limited ripple current rating: Despite the high ripple current rating of aluminum electrolytic capacitors, it cannot meet the requirements of certain applications, such as motor drives and active filter circuits.
• Greater ESR: The equivalent series resistance (ESR) of aluminum electrolytic capacitors is usually greater than that of other capacitor types.

Conclusion

Aluminum electrolytic capacitors are used in many different applications such as DC power supply, filtering, and timing circuits. UCZ1E122MNQ1ZD is one type of aluminum electrolytic capacitor commonly used in many applications. It has a voltage rating of up to 50V and a ripple current of up to 160mA. Aluminum electrolytic capacitors have many advantages like high capacitance, temperature stability, and ripple current rating, but they also have some drawbacks such as limited tolerance and shelf life.

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