T491D157M004ZT

Lifetime @ Temp.:	2000 Hrs @ 125°C
Failure Rate:	--
Features:	General Purpose
Ratings:	--
Manufacturer Size Code:	D
Lead Spacing:	--
Height - Seated (Max):	0.122" (3.10mm)
Size / Dimension:	0.287" L x 0.169" W (7.30mm x 4.30mm)
Package / Case:	2917 (7343 Metric)
Mounting Type:	Surface Mount
Series:	T491
Operating Temperature:	-55°C ~ 125°C
ESR (Equivalent Series Resistance):	800 mOhm
Type:	Molded
Voltage - Rated:	4V
Tolerance:	±20%
Capacitance:	150µF
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Tantalum capacitors are electronic components used to store electrical charge and are an important part of many types of electronics. The T491D157M004ZT, in particular, is an extended temperature, surface-mount, solid electrolytic capacitor. It is a high-performance model that is both reliable and versatile, making it a great choice for many different types of applications.The T491D157M004ZT is primarily used in commercial and industrial areas where extended temperatures range from -55 to +125 degrees Celsius. It is also used in telecom and computer applications, as well as for signal processing and for stabilizing power sources in automotive, aerospace and military applications.The T491D157M004ZT capacitor can handle voltages up to 35 volts for the polarized models, and up to 50 volts for non-polarized models. This higher voltage range makes the T491D157M004ZT capacitor well-suited for high voltage and automotive applications. The maximum operating temperature of the capacitor is also +105 degrees Celsius, and it is suitable for reflow soldering.The T491D157M004ZT capacitor also has excellent stability, low tolerance and low DF (dissipation factor). This makes it suitable for high-frequency applications, including switching power supplies, DC-DC converters and RF applications. The capability of having a wide Temperature Coefficient of Capacitance (TCR) range of ±22% (K) also adds to the versatility of the T491D157M004ZT capacitor in many different types of applications. The T491D157M004ZT capacitor utilizes a double-anode design, which consists of an anode and a cathode, with a solid electrolyte separator between them. This double-anode design allows for superior heat dissipation, resulting in a longer lifespan. The capacitor also has an automated self-healing process, which helps to reduce the chances of damage due to short-circuiting or overvoltage.Overall, the T491D157M004ZT capacitor is a reliable, high-performance model with a versatile design. It is suitable for a wide range of applications, including those that require extended temperatures, high voltage and/or high frequency. The double-anode design helps to improve heat dissipation, while the automated self-healing process helps to reduce the chances of damage. With its extended temperature range and high performance capacities, the T491D157M004ZT is an ideal capacitor choice for many types of applications.

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