B43540E2188M2

Polarization:	Polar
Package / Case:	Radial, Can - Snap-In - 3 Lead
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	2.244" (57.00mm)
Size / Dimension:	1.378" Dia (35.00mm)
Lead Spacing:	0.394" (10.00mm)
Impedance:	50 mOhms
Ripple Current @ Low Frequency:	5.89A @ 100Hz
Applications:	General Purpose
Ratings:	--
Series:	B43540
Operating Temperature:	-40°C ~ 85°C
Lifetime @ Temp.:	10000 Hrs @ 85°C
ESR (Equivalent Series Resistance):	40 mOhm @ 100Hz
Voltage - Rated:	250V
Tolerance:	±20%
Capacitance:	1800µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic Capacitors

An aluminum electrolytic capacitor, also known as an electrolytic capacitor or electrolytic, is a type of capacitor that utilizes an anode of pure aluminum that has been etched with a pattern of thin parting lines to form the anodes of the capacitors. The anode is then soaked in electrolyte and then electroformed against a substrate layer to form a thin, high-capacitance element.The electrolyte used in the process is typically an element or combination of elements that readily bonds with the aluminum anode material. Common electrolytes used in an aluminum electrolytic capacitor are zinc and manganese. In a typical design the electrolyte and the aluminum anode are separated by a thin insulator.The B43540E2118M2 aluminum electrolytic capacitor is a radial leaded polarized capacitor with a solid electrolyte and thin film anode. It is designed for power supplies and circuit protection applications, and is especially suitable for use in high-frequency switching power supplies, such as those used in computers and other consumer electronics. This capacitor features a low equivalent series resistance (ESR) and high ripple current rating, making it particularly useful in applications where these characteristics are desirable.The working principle of the B43540E2118M2 aluminum electrolytic capacitor is simple. When the capacitor is charged, the aluminum anode is allowed to oxidize and form an oxide layer, which acts as a dielectric. This dielectric layer allows electrons to pass through, creating an electric field across the capacitor’s surfaces. This electric field is capable of storing an electrical charge. When a voltage is applied, the electric field will cause electrons to flow through the capacitor, allowing it to act as an electrical conductor.The B43540E2118M2 has a voltage rating of 100V, a capacitance of 2,118µF, an ESR of 0.035Ω, and a capacitance tolerance of ±20%. The capacitor has a lifetime of 3000 hours when operated at 85°C with a ripple current of 105mA. The capacitor is also rated for -40°C to 105°C operating temperature range. The B43540E2118M2 is a radial leaded capacitor and is intended for use in board mounted applications.The B43540E2118M2 aluminum electrolytic capacitor is a useful component for designing high-frequency switching power supplies. Its low ESR, high ripple current rating, and broad temperature rating make it suitable for applications in which reliable functionality at high switching frequencies is needed. In addition, its straightforward working principle makes it one of the most reliable types of capacitors available on the market today.

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