B43540A9687M82

Polarization:	Polar
Package / Case:	Radial, Can - Snap-In - 3 Lead
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	2.252" (57.20mm)
Size / Dimension:	1.378" Dia (35.00mm)
Lead Spacing:	0.394" (10.00mm)
Impedance:	110 mOhms
Ripple Current @ Low Frequency:	4.05A @ 100Hz
Applications:	General Purpose
Ratings:	--
Series:	B43540
Operating Temperature:	-40°C ~ 85°C
Lifetime @ Temp.:	10000 Hrs @ 85°C
ESR (Equivalent Series Resistance):	95 mOhm @ 100Hz
Voltage - Rated:	400V
Tolerance:	±20%
Capacitance:	680µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic Capacitors: B43540A9687M82 application field and working principle

Aluminum electrolytic capacitors are the most widely used type of capacitor because of their large capacitance values and low cost. They are typically used in power supply filtering, coupling, and decoupling circuits. Understanding how they work and the characteristics of their operation is key to implementing them effectively.The B43540A9687M82 aluminum electrolytic capacitor is a major player in the aluminum electrolytic capacitor market, with an operating temperature range of -40°C to +85°C and a capacitance range of 6.3 µF to 3300 µF. It has a solid aluminum horizontal or vertical enclosure with threaded or solderable surmounts, is submersible, is highly polarized, and has a maximum leakage current of 0.03µA at 85°C.The operating principle behind aluminum electrolytic capacitors is based on Faraday\'s law of electrochemistry. This law states that the charge stored on the plates of a capacitor is proportional to the voltage across the capacitor. In an aluminum electrolytic capacitor, the aluminum oxide insulator between its two plates acts as an efficient resistor. This resistance is important in allowing for efficient charging and discharging of the capacitor. The aluminum anode is placed in an electrolytic solution and forms an oxide film layer on its surface that acts as a dielectric layer. As a result, current cannot pass through the oxide layer and must pass instead through the electrolyte. This makes aluminum electrolytic capacitors polarity sensitive and can result in an increase in capacitance.Aluminum electrolytic capacitors have several advantages over other types of capacitors. The size of aluminum electrolytic capacitors is small compared to ceramic capacitors, allowing for smaller, lighter, and/or space-saving devices. They are also able to operate at higher temperatures than other capacitors, meaning they are more durable. Additionally, aluminum electrolytic capacitors have a higher self-inductance than other types of capacitors, allowing them to better filter high-frequency noise. Finally, aluminum electrolytic capacitors can be used in applications requiring high capacitance values, such as power supply filtering and decoupling.In terms of application fields, aluminum electrolytic capacitors are used in a wide range of applications from portable electronics, to industrial, automotive, and household applications. Specifically, the B43540A9687M82 capacitor is commonly used in power filters for applications such as DC buses, multi-voltage power supplies, and audio power amplifiers.As far as selecting a capacitor for any application, it is important to consider the type of aluminum electrolytic capacitor needed. In addition to considering the type of aluminum electrolytic capacitor, capacitance value and voltage rating are also important factors to consider when selecting a capacitor. The type of electrolytic solution, leakage current, and capacitance change over temperature should also be taken into account when selecting an aluminum electrolytic capacitor.In conclusion, aluminum electrolytic capacitors offer a number of advantages over other capacitor types. The B43540A9687M82 aluminum electrolytic capacitor is a common choice for power filters, but other types of aluminum capacitors are also available depending on application requirements. It is important to take into account the type of aluminum electrolytic capacitor, as well as capacitance values, voltage rating, capacitance change over temperature, and the type of electrolytic solution when selecting a capacitor for any application.

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