Allicdata Part #: | M39003/09-0047/TR-ND |
Manufacturer Part#: |
M39003/09-0047/TR |
Price: | $ 9.36 |
Product Category: | Capacitors |
Manufacturer: | Vishay Sprague |
Short Description: | CAP TANT 68UF 20% 20V AXIAL |
More Detail: | 68µF Hermetically Sealed Tantalum Capacitors 20V A... |
DataSheet: | M39003/09-0047/TR Datasheet/PDF |
Quantity: | 1000 |
Lead Free Status / RoHS Status: | Contains lead / RoHS non-compliant |
Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
500 +: | $ 8.50860 |
Series: | Military, MIL-PRF-39003/9, CSR21 |
Packaging: | Tape & Reel (TR) |
Lead Free Status / RoHS Status: | -- |
Part Status: | Active |
Moisture Sensitivity Level (MSL): | -- |
Capacitance: | 68µF |
Tolerance: | ±20% |
Voltage - Rated: | 20V |
Type: | Hermetically Sealed |
ESR (Equivalent Series Resistance): | 95 mOhm |
Operating Temperature: | -55°C ~ 125°C |
Lifetime @ Temp.: | -- |
Mounting Type: | Through Hole |
Package / Case: | Axial |
Size / Dimension: | 0.351" Dia x 0.786" L (8.92mm x 19.96mm) |
Height - Seated (Max): | -- |
Lead Spacing: | -- |
Manufacturer Size Code: | D |
Features: | Military |
Failure Rate: | M (1%) |
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Tantalum capacitors are one of the most commonly used types of electronic components. Their main advantages are high reliability, long life and small size. The M39003/09-0047/TR is a surface-mount tantalum capacitor which is widely used in various electronic circuits. This article will discuss the application field and working principle of the M39003/09-0047/TR.
Application Field
The M39003/09-0047/TR is a small, surface-mount tantalum capacitor. It is widely used in a variety of electronic applications, such as in cellular or cordless phones, digital cameras, medical equipment, and instrumentation. It is also used in power supply filters, for decoupling and bypassing circuit applications, and as part of timing circuitry in logic circuits. Its small size makes it ideal for use in space-constrained designs, and its long life and high reliability means it is suitable for extended use over time.
Working Principle
A tantalum capacitor is essentially an electrical double-layer capacitor (EDLC) which consists of two combination plates or electrodes, an anode and a cathode, separated by an electrolytic material, allowing ionic conduction. The electrodes are typically made of metallic substances such as titanium, tantalum, gold or silver. On the anode electrode, a thin surface of conductive oxide, such as tantalum pentoxide (Ta2O5) or niobium pentoxide (Nb2O5), is formed. This oxide layer acts as a dielectric material, separating the two electrodes and storing energy through capacitance.
The operation of a tantalum capacitor is based on modern electrochemical concepts. When a voltage is applied across the capacitor, positively charged ions move towards the anode and negatively charged ions migrate towards the cathode, creating a thin conducting layer on the anode also known as the electron-hole cloud. This phenomenon is known as “double-layer capacitance” and it is responsible for the high capacitance and low capacitance leakage that makes tantalum capacitors so popular.
Once the current is applied to the capacitor, it will charge itself, but the capacitance value will drop significantly due to the temporary decreasing of dielectric value of the oxide layer on the anode. The capacitance value will then stabilize over time. This phenomenon is known as self-healing effect and is one of the key properties that makes tantalum capacitors so reliable and widely used.
Conclusion
The M39003/09-0047/TR is a popular surface-mount tantalum capacitor. It is widely used in various electronic applications due to its small size, high reliability, and long life. The working principle of the capacitor is based on electrochemical concepts, such as double-layer capacitance and the self-healing effect. Therefore, the M39003/09-0047/TR is a very reliable and robust capacitor.
The specific data is subject to PDF, and the above content is for reference
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