T491B155K025AT Capacitors

Operating Temperature:	-55°C ~ 125°C
Failure Rate:	--
Features:	General Purpose
Manufacturer Size Code:	B
Lead Spacing:	--
Height - Seated (Max):	0.083" (2.10mm)
Size / Dimension:	0.138" L x 0.110" W (3.50mm x 2.80mm)
Package / Case:	1411 (3528 Metric)
Mounting Type:	Surface Mount
Lifetime @ Temp.:	2000 Hrs @ 85°C
Series:	T491
ESR (Equivalent Series Resistance):	5 Ohm
Type:	Molded
Voltage - Rated:	25V
Tolerance:	±10%
Capacitance:	1.5µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Tantalum Capacitors
T491B155K025AT represents a type of Tantalum Capacitors. It is a polarizedtype capacitor which is constructed with tantalum oxide anode and a metal oxide cathode. The anode and cathode thus formed is then immersed in an electrolyte.Tantalum capacitors are available in a variety of types, depending on their application. Tantalum capacitors T491B155K025AT are a specific type which are suited for use in applications involving high operating temperatures up to 125⁰C and low-ESR and high current ripple. They are compact in size, making them suitable for use in highly compact electronic systems, such as cellular phones and computers.The working principle of T491B155K025AT Capacitors is fairly simple. The anode and cathode of the device form two distinct regions which exchange electrical energy through the electrolyte. When the device is charged, electrons gather at the anode, while ions are pushed towards the cathode. This creates an electric field between the two regions, which leads to charge building up at the respective sides of the capacitor. This causes the capacitor to be charged when the polarity of the applied voltage is the same as the polarity of the capacitor, and allows it to discharge when the polarity of the applied voltage is opposite to the polarity of the capacitor.T491B155K025AT\'s primary application is in high-temperature environments. Due to the low Equivalent Series Resistance, these capacitors are able to handle higher currents without any significant loss of power. This makes them ideal for use in high-power circuits, such as those found in automotive electronic systems. The use of these capacitors also helps increase the longevity of the system, as the high-temperature tolerance ensures that the capacitors are able to withstand the operating temperature without any damage.T491B155K025AT Capacitors are also well suited for use in low-voltage applications. Due to their low equivalent series resistance, they can maintain a consistent voltage across their terminals, even when the input voltage varies significantly. This makes them well suited for use in voltage regulation circuits. The low equivalent series resistance also allows the capacitors to retain their energy for an extended period, making them ideal for use in applications where the system needs to remain powered for extended periods, such as in portable devices.Overall, the T491B155K025AT Capacitors are an ideal choice for use in applications that require long operating times, high-power efficiency, and the ability to handle temperatures up to 125⁰C. The low equivalent series resistance ensures that these capacitors are capable of maintaining a consistent voltage across their terminals, even when the input voltage fluctuates significantly, making them an essential component for many electronic applications.

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