T540B686K004BH85107610 Allicdata Electronics
Allicdata Part #:

T540B686K004BH85107610-ND

Manufacturer Part#:

T540B686K004BH85107610

Price: $ 4.26
Product Category:

Capacitors

Manufacturer: KEMET
Short Description: CAP TANT POLY 68UF 4V 1411
More Detail: 68µF Molded Tantalum Polymer Capacitor 4V 1411 (35...
DataSheet: T540B686K004BH85107610 datasheetT540B686K004BH85107610 Datasheet/PDF
Quantity: 1000
Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
Moisture Sensitivity Level (MSL): 3 (168 Hours)
3600 +: $ 3.86932
Stock 1000Can Ship Immediately
$ 4.26
Specifications
Package / Case: 1411 (3528 Metric)
Size / Dimension: 0.138" L x 0.110" W (3.50mm x 2.80mm)
Height - Seated (Max): 0.083" (2.10mm)
Lead Spacing: --
Manufacturer Size Code: B
Ratings: COTS
Features: High Reliability
Series: KO-CAP® T540
Packaging: Bulk 
Lead Free Status / RoHS Status: --
Part Status: Active
Moisture Sensitivity Level (MSL): --
Capacitance: 68µF
Tolerance: ±10%
Voltage - Rated: 4V
Type: Molded
ESR (Equivalent Series Resistance): 80 mOhm @ 100kHz
Operating Temperature: -55°C ~ 125°C
Lifetime @ Temp.: 2000 Hrs @ 125°C
Mounting Type: Surface Mount
Description

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T540B686K004BH85107610 is a tantalum (Ta) - polymer capacitor which is a type of electrolytic capacitor. It is also commonly referred to as a Tantalum Polymer Capacitor (TP). The capacitor is constructed of a solid conductive polymer as the dielectric layer and an anode made of tantalum pentoxide.

The capacitors are characterized by their low ESR (Equivalent Series Resistance), high capacitance, high self-healing ability, effectively low leakage current, low inductance and their long-term stability. This type of capacitor is suitable for a wide range of general purpose power supply and battery buffered applications in consumer electronic, automotive, communication and industrial electronic systems.

The low series resistance of the tantalum - polymer capacitor is the main factor that makes it a good choice for these types of applications. This feature is important for applications using low-voltage power sources such as a battery or a power supply, as it ensures that the current is efficiently transferred from the supplying source to the device without significant power loss due to the capacitor’s internal resistance.

Another unique characteristic of tantalum - polymer capacitors is their ability to self-heal. If the anode of the capacitor is subjected to an external electrical or mechanical shock, the conductive polymer in the dielectric layer of the capacitor is capable of recombining to heal the damaged regions. This is an advantage over other types of capacitors, which often result in failure due to over voltages or mechanical shock due to their Plaster of Paris (POP) based electrodes.

In terms of their electrical characteristics, tantalum - polymer capacitors generally offer a high capacitance, low ESR, low inductance and excellent long-term stability. The capacitance of the capacitor depends on the amount of conductive polymer in the dielectric layer, and is expressed in Farads (F). The voltage rating of the capacitor is also based on the amount of conductive polymer. The ESR depends on the construction of the capacitor, and is typically expressed in milli-Ohms (mΩ). This low ESR is what gives these capacitors their high efficiency and excellent high frequency performance.

The inductance of the capacitor, which is typically expressed in nano-Henries (nH), depends on the construction of the capacitor as well. The lower the inductance of the capacitor, the better the performance at higher frequencies. Finally, the long-term stability of the capacitor is determined by the characteristics of the dielectric material. In general, the high quality dielectric materials used in TA-polymer capacitors result in excellent long-term stability, making them suitable for harsh and long-term use.

Overall, TA-polymer capacitors are versatile electrolytic components, with excellent electrical performance and self-healing capability. Their low ESR and high capacitance make them suitable for use in a wide range of consumer electronics, automotive, communication and industrial electronic systems. The excellent long-term stability and inductance performance also make them robust in operation and suitable for use in harsh environments.

The specific data is subject to PDF, and the above content is for reference

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