KY35VB122M16X20LL

Series:	KY
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Capacitance:	1200µF
Tolerance:	±20%
Voltage - Rated:	35V
ESR (Equivalent Series Resistance):	--
Lifetime @ Temp.:	10000 Hrs @ 105°C
Operating Temperature:	-40°C ~ 105°C
Polarization:	Polar
Ratings:	--
Applications:	General Purpose
Ripple Current @ Low Frequency:	1.518A @ 120Hz
Ripple Current @ High Frequency:	2.53A @ 100kHz
Impedance:	27 mOhms
Lead Spacing:	0.295" (7.50mm)
Size / Dimension:	0.630" Dia (16.00mm)
Height - Seated (Max):	0.787" (20.00mm)
Surface Mount Land Size:	--
Mounting Type:	Through Hole
Package / Case:	Radial, Can

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Introduction

Aluminum electrolytic capacitors, also known as Al-cap or electrolytic, are polarized electrical components used in most electronic applications. This type of capacitor consists of two aluminium foils used as electrodes, separated by a thin oxide film as the dielectric. A KY35VB122M16X20LL aluminum electrolytic capacitor is one of many varieties this component type offers.

Application Field and Working Principle

KY35VB122M16X20LL aluminum electrolytic capacitors have many applications. Typical applications include AC/DC smoothing, timing and crossover networks, signal filtering and energy storage. Polarization is the key factor in how aluminum electrolytic capacitors work. Positive voltage is applied to the anode (positive electrode), and the dielectric layer (an oxide film) forms on the anode. This dielectric layer increases the capacitance. When a negative voltage is applied to the cathode (negative electrode), current density reduces and operates the capacitor below the ‘knee’ current, which slows the rate of nonlinear response. Therefore, to obtain the full capacitance, the KY35VB122M16X20LL aluminum electrolytic capacitor should be biased with a minimum of 1.5V.KY35VB122M16X20LL aluminum electrolytic capacitors are highly vulnerable to external influences such as humidity, temperature and vibration, and can suffer from electrolyte leakage and or charge discharge. In some cases it can cause current to flow in the opposite direction and reduce the capacitance. In addition to that, misalignment of the electrolyte can cause the breakdown potential to shift and break down prematurely, thus reducing the life expectancy of the capacitor.

Conclusion

KY35VB122M16X20LL aluminum electrolytic capacitors are widely used in many electronic applications. Although the physical size of the capacitor is small, the effect of its electrical properties makes it a necessary component. It is important to understand the limitations of its working principles and environmental conditions to ensure the full functionality of the capacitor for maximum performance.

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