UPM1C392MHD6TN Capacitors

Series:	UPM
Packaging:	Tape & Box (TB)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	3900µF
Tolerance:	±20%
Voltage - Rated:	16V
ESR (Equivalent Series Resistance):	--
Lifetime @ Temp.:	5000 Hrs @ 105°C
Operating Temperature:	-55°C ~ 105°C
Polarization:	Polar
Ratings:	--
Applications:	General Purpose
Ripple Current @ Low Frequency:	2.11A @ 120Hz
Ripple Current @ High Frequency:	2.35A @ 10kHz
Impedance:	25 mOhms
Lead Spacing:	0.295" (7.50mm)
Size / Dimension:	0.709" Dia (18.00mm)
Height - Seated (Max):	1.063" (27.00mm)
Surface Mount Land Size:	--
Mounting Type:	Through Hole
Package / Case:	Radial, Can

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Aluminum Electrolytic Capacitors: UPM1C392MHD6TN application field and working principle

Aluminum electrolytic capacitors are widely used in rectification, filtering and timing circuits due to their characteristics such as large capacitance, stable performance and wide range of working temperature. UPM1C392MHD6TN is a kind of aluminum electrolytic capacitor. This section will explain UPM1C392MHD6TN\'s application field and its working principle.

Applications of UPM1C392MHD6TN

UPM1C392MHD6TN is an aluminum-based radial-leaded capacitor with nominal capacitance of 2.2uF and working voltage of 2.2V. Its rated ripple current can reach up to 40mA and its rated temperature range is -55℃-105℃. In terms of its performance, its ESR is low to ensure a high SMD/THD ratio, LTPD is low when compared with similar products so as to reduce AC noise, and its PCB area is small which is beneficial for reducing process cost. All these make UPM1C392MHD6TN suitable for high-volume consumer electronics products.UPM1C392MHD6TN has applications in power supply circuit, energy-saving lighting circuit and DC/DC converter circuit. In the power supply circuit, UPM1C392MHD6TN can be used in conjunction with high efficiency rectifier to form an ideal rectifier filter network. The capacitor will be charged and discharged during the cycle of AC power supply, so as to reduce harmonic wave and improve the waveform of power supply. In the energy-saving lighting circuit, UPM1C392MHD6TN acts as a filtering device for rectifier. The capacitor has a low ESR so as to reduce circuit loss. In the DC/DC converter circuit, UPM1C392MHD6TN is used to filter the output DC ripple. By doing this, the output voltage becomes more stable.

Working Principle of UPM1C392MHD6TN

To understand how UPM1C392MHD6TN works, it is necessary to study its outer structure and material composition. Aluminium electrolytic capacitor is housed in an aluminium can with sealed or open bottom. The anode of the capacitor is connected to the bottom in sealed bottom type and to the side in open bottom type. The anode consists of aluminium foil, distributor, paper and electrolyte while the cathode consists of oil-impregnated paper and the connector.The working principle of UPM1C392MHD6TN is based on Faraday\'s law of electrolysis. When the AC voltage is applied, the achieved capacitive current charges the capacitor according to the polarity of the voltage. Whereas when the voltage decreases, the current across the capacitor decreases as well and it discharges. When the AC voltage is zero, the capacitor will fully discharge and its dielectric constant will increase due to the electrolyte. This reduces the capacitance of the capacitor and increases the leakage current.UPM1C392MHD6TN\'s performance is affected by its electrolyte. The electrolyte is an alkaline liquid which performs two functions – discharging and nourishing the electrolyte. When applied with high voltage, the electrolyte can selectively discharge the cathode and the anode, thus providing the capacitor with electrochemical stability. During normal operation, the electrolyte provides nourishment to maintain the electrolyte\'s dielectric constants.

Conclusion

To sum up, UPM1C392MHD6TN is a kind of aluminum electrolytic capacitor which is widely used in power supply circuit, energy-saving lighting circuit and DC/DC converter circuit. It has low ESR and PCB area which contribute to its application in rectification, filtering and timing circuits. Its working principle is based on Faraday\'s law of electrolysis, which is affected by its electrolyte.

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