M550B108K040AS

Operating Temperature:	-55°C ~ 105°C
Features:	General Purpose
Ratings:	--
Manufacturer Size Code:	B
Lead Spacing:	--
Height - Seated (Max):	0.520" (13.20mm)
Size / Dimension:	2.051" L x 1.992" W (52.10mm x 50.60mm)
Package / Case:	M55 Module
Mounting Type:	Chassis Mount
Lifetime @ Temp.:	2000 Hrs @ 85°C
Series:	M55
ESR (Equivalent Series Resistance):	25 mOhm
Type:	Hermetically Sealed
Voltage - Rated:	40V
Tolerance:	±10%
Capacitance:	1000µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Tantalum - Polymer Capacitors

Tantalum - Polymer capacitors are commonly used in modern electronics due to their high electrical conductivity and low impedance. This type of capacitor is widely used in a number of applications, such as automotive, medical, and computer systems. The M550B108K040AS is an example of a tantalum - polymer capacitor, which is typically used for power supply filtering.

M550B108K040AS application field

The M550B108K040AS is a surface-mount, tantalum polymer solid capacitor equipped with an aluminum case. This capacitor has a low effective series resistance (ESR) and is suitable for high-frequency, high-temperature applications. It is commonly used for power supply filtering, buffering, and for decoupling. It is also used for pulse noise suppression and EMF absorption.

Working principle

The M550B108K040AS is a polarized capacitor and can only operate in one specific direction. It works by storing electrical charge and then acting as an insulator to prevent the current from flowing back. When the positive and negative terminals of the capacitor are connected to the power supply, the capacitor will start to charge up. The rate at which it charges depends on the applied voltage and the capacitance of the capacitor.Once the capacitor has reached its maximum charge, its internal structure prevents any further flow of current. This stops the current from flowing further and allows the current to only move in one direction. As mentioned earlier, the M550B108K040AS has a low ESR, which makes it a good choice for high-frequency applications. Lastly, the M550B108K040AS has a high dielectric strength, which ensures that the current is not affected by any external sources of electrical noise. As such, it is suitable for use in environments where electrical noise could be an issue.

Conclusion

The M550B108K040AS capacitor is a surface-mount, tantalum polymer capacitor used for power supply filtering and buffering in high-frequency, high-temperature applications. It is a polarized capacitor and has a low ESR and a high dielectric strength, making it an ideal choice for EMF absorption and pulse noise suppression.

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