M551B347K030AS

Operating Temperature:	-55°C ~ 125°C
Features:	General Purpose
Ratings:	--
Manufacturer Size Code:	B
Lead Spacing:	0.453" (11.50mm)
Height - Seated (Max):	0.445" (11.30mm)
Size / Dimension:	1.906" L x 1.110" W (48.40mm x 28.20mm)
Package / Case:	M55 Module
Mounting Type:	Chassis Mount
Lifetime @ Temp.:	2000 Hrs @ 85°C
Series:	M55
ESR (Equivalent Series Resistance):	50 mOhm @ 100kHz
Type:	Hermetically Sealed
Voltage - Rated:	30V
Tolerance:	±10%
Capacitance:	340µF
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 a type of electrolytic capacitor built using a combination of a tantalum anode, an electrolytic layer, and a surface-mount polymer case. The electrolytic layer allows for a higher capacitance with a smaller size when compared to all solid tantalum capacitors. These capacitors are used for general purpose applications in electronics, as well as for low-, medium-, and high-voltage operations. M551B347K030AS capacitors are one type of tantalum - polymer capacitors from the KEMET Corporation. They are high frequency ceramic capacitors, featuring a small form factor for use in controlled impedance designs. These capacitors offer a high capacitance in a small 0805 surface-mount package. The device has an operating temperature range from -55°C to +125°C and is characterized for temperature from -55°C to +105°C. The M551B347K030AS capacitors demonstrate a high level of performance when exposed to extreme temperatures and shocks. The device features a long life and self healing properties, which allows it to withstand voltage and current conditions without any significant degradation or impact to long-term performance. They feature a low ESR (Equivalent Series Resistance) and high ripple current, making them ideal for high-frequency, high-current applications. Additionally, they are rated to withstand a variety of environments, making them suitable for a range of applications. The operating principles of M551B347K030AS capacitors are based on the electrolytic layer between the tantalum anode and the polymer case. When a voltage is applied to the capacitor, a layer of salt (electrolyte) deposits onto the anode, forming a conducting path for current to flow between the anode and the case. This electrolyte film is made up of a mixture of oxides, hydroxides, and carbonates of the material being used. The capacitor retains its capacity due to the resistance of the electrolyte layer. In terms of application fields, M551B347K030AS capacitors are used in a variety of high-power applications, particularly in automotive power supplies, lighting and audio systems, and consumer electronics. They are typically used to reduce the ripple current noise generated in hard-switched power converters and to provide overvoltage protection for power supplies. With its high capacitance rating, these capacitors offer a low ESR, making them suitable for applications requiring high ripple current. In conclusion, M551B347K030AS capacitors are a type of high-frequency ceramic capacitors from the KEMET Corporation that are used in a wide range of applications from automotive power supplies, lighting and audio systems, and consumer electronics. The operating principles of these capacitors are based on the electrolytic layer formed between the tantalum anode and the polymer case. They offer a high capacitance in a small form factor, making them well-suited for high-frequency, high-current applications.

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