35ZL18MEFC5X7

Series:	ZL
Part Status:	Active
Lead Free Status / RoHS Status:	--
Capacitance:	18µF
Moisture Sensitivity Level (MSL):	--
Tolerance:	±20%
Voltage - Rated:	35V
ESR (Equivalent Series Resistance):	--
Lifetime @ Temp.:	1000 Hrs @ 105°C
Operating Temperature:	-40°C ~ 105°C
Polarization:	Polar
Ratings:	--
Applications:	General Purpose
Ripple Current @ Low Frequency:	105mA @ 120Hz
Ripple Current @ High Frequency:	210mA @ 100kHz
Lead Spacing:	0.079" (2.00mm)
Size / Dimension:	0.197" Dia (5.00mm)
Height - Seated (Max):	0.315" (8.00mm)
Surface Mount Land Size:	--
Mounting Type:	Through Hole
Package / Case:	Radial, Can

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are an indispensable part of modern electronic circuits. As a type of electrochemical capacitor, the construction of aluminum electrolytic capacitors is made up of an aluminum foil, an anode with the electrolyte as a separator and a cathode finishing the circuit. The 35ZL18MEFC5X7 is one such capacitor, which primarily finds its applications in power supplies, signal processing, and audio/video equipment, among other areas. It is a particular type of polarized capacitor which is usually used as a main filter, class ‘X’ capacitor, due to its high capacitance and compact dimensions. A few of its properties include a capacitance of 18 microfarads, a voltage rating of 470VAC, a temperature range of -40°C to +105°C and a ripple current capability of 230mA. Further, 35ZL18MEFC5X7 capacitors posses a radial-leaded construction and are shielded with a hard dipped coat in order to operate in harsher environments. The working principle of this capacitor is based on the theory of electrochemical capacitance. In any capacitor, electrostatic energy is stored between the two conducting plates when a voltage is applied. This energy is then released when the voltage is removed. This is exploited by the aluminum electrolytic capacitor with its rolled anode foil placed between special electrolyte plates. The aluminum foil is then oxidized to form an insulation film on its surface. The oxide layer acts as the dielectric for the capacitor, controlling the amount of electric charge it can store. As the voltage is applied across the capacitor’s terminals, electric charge is stored between the two plates, and the oxide film is weakened as a result. When the voltage is removed, the oxide is restored again, thereby controlling the amount of electric charge released. It is due to this behavior of the aluminum electrolytic capacitor that it can store and release large amounts of electric charge in a short period of time, making it ideal for filtering and buffering applications. As a result, they are commonly employed in power supplies, low level signal processing circuits, automotive applications and audio/video equipment, as is the case of the highest-rated 35ZL18MEFC5X7 capacitor. Moreover, due to its high capacitive value, this capacitor type is most often employed in applications needing a stable power frequency such as the power supply systems, while smaller variants of the 35ZL18MEFC5X7 are widely used in audio/video electronics due to their ability to reduce noise. However, it is worth noting that, unlike many other capacitors, Aluminum electrolytic capacitors are polarized, meaning that they have to be connected in a particular way for correct operation. The more positive terminal is marked with a +place, while the negative one is marked with a -sign. Failure to hook up the parts correctly could cause any of them to be ruined. In conclusion, Aluminum electrolytic capacitors are essential components that have a wide range of applications in audio/video electronics, signal buffering, and power supplies. The 35ZL18MEFC5X7 type of capacitor is a particularly popular example of these devices, owing to its high capacitive value and stable power frequency characteristics. However, it is important to note that aluminum electrolytic capacitors are polarized and should be connected carefully in order to avoid damaging it.

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