Series:	T491
Packaging:	Tape & Reel (TR)
Part Status:	Active
Capacitance:	0.68µF
Tolerance:	±20%
Voltage - Rated:	20V
Type:	Molded
ESR (Equivalent Series Resistance):	12 Ohm
Operating Temperature:	-55°C ~ 125°C
Lifetime @ Temp.:	2000 Hrs @ 125°C
Mounting Type:	Surface Mount
Package / Case:	1206 (3216 Metric)
Size / Dimension:	0.126" L x 0.063" W (3.20mm x 1.60mm)
Height - Seated (Max):	0.071" (1.80mm)
Lead Spacing:	--
Manufacturer Size Code:	A
Ratings:	--
Features:	General Purpose
Failure Rate:	--

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T491A684M020ZT7280

Overview

T491A684M020ZT7280 is a type of tantalum capacitors. These capacitors are characterized by their large capacitance in a very small volume and provide high reliability in a wide range of applications thanks to their low-ESL/ESR ratings, solid construction, and superior failure-free performance. Special features such as EIA-466 and military grade ratings, low ESR-ESL combinations and improved Electrical Robustness make them ideal for use in a wide array of applications.

Application Field and Working Principle

T491A684M020ZT7280 capacitors are used in a variety of electronic products, such as consumer electronics and automotive systems. These devices are highly suited for use in consumer electronics products, such as mobile phones, smart wearables, IoT and audio/video equipment, due to their high reliability and small size. In terms of automotive applications, they can be used to boost the performance of the engine control unit, while also improving the efficiency of the braking and ABS systems.From the point of view of the capacitance principle, the electrolytic capacitor is a combination of metals, insulators and electrolytes. The positive plate of the capacitor is usually made of metal foil, and the negative plate is often made of metal powder, which is stored in the electrolyte. When the applied voltage exceeds a certain threshold, the current will flow, resulting in a small leakage current, which can form the electric double layer between the two electrodes, thus forming the capacitance.For T491A684M020ZT7280 capacitors, their capacitance storage is determined by their size. For example, this type of device typically carries a large capacitance figures, of up to 20uF or above, within a relatively small form factor. The device is rated for a voltage of 6.3 to 10V with a temperature range of -55 to +125°C, which means it is highly suitable for use in automotive applications as well as a variety of other applications.

Advantages of T491A684M020ZT7280

Some of the key advantages of T491A684M020ZT7280 tantalum capacitors include:

• High reliability: Thanks to their solid construction, low-ESL/ESR ratings, reliable performance, and military-grade ratings, these capacitors can provide a high level of reliability in a wide range of applications.
• High capacitance: High capacitance figures in a small form factor mean that T491A684M020ZT7280 tantalum capacitors are particularly suitable for use in applications where space is limited.
• Improved electrical robustness: The devices feature improved electrical robustness and low ESR-ESL combinations, making them particularly suitable for applications where electrical noise may be a concern.
• Wide temperature range: With a wide temperature range of -55 to +125°C, devices are highly suited for use in automotive applications.

Conclusion

T491A684M020ZT7280 tantalum capacitors are ideal for use in a wide range of applications due to their high capacitance, improved electrical robustness, wide temperature range, and excellent reliability. They are particularly suited for use in consumer electronics and automotive products, making them an ideal choice for device manufacturers.

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