Allicdata Part #: | M39003/01-2946-ND |
Manufacturer Part#: |
M39003/01-2946 |
Price: | $ 6.27 |
Product Category: | Capacitors |
Manufacturer: | Vishay Sprague |
Short Description: | CAP TANT 1.0UF 20% 100V AXIAL |
More Detail: | 1µF Hermetically Sealed Tantalum Capacitors 100V A... |
DataSheet: | M39003/01-2946 Datasheet/PDF |
Quantity: | 1000 |
Lead Free Status / RoHS Status: | Contains lead / RoHS non-compliant |
Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
100 +: | $ 5.69130 |
Series: | Military, MIL-PRF-39003/1, CSR13 |
Packaging: | Bulk |
Lead Free Status / RoHS Status: | -- |
Part Status: | Active |
Moisture Sensitivity Level (MSL): | -- |
Capacitance: | 1µF |
Tolerance: | ±20% |
Voltage - Rated: | 100V |
Type: | Hermetically Sealed |
ESR (Equivalent Series Resistance): | -- |
Operating Temperature: | -55°C ~ 125°C |
Lifetime @ Temp.: | -- |
Mounting Type: | Through Hole |
Package / Case: | Axial |
Size / Dimension: | 0.185" Dia x 0.474" L (4.70mm x 12.04mm) |
Height - Seated (Max): | -- |
Lead Spacing: | -- |
Manufacturer Size Code: | B |
Features: | Military |
Failure Rate: | R (0.01%) |
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Tantalum capacitors are electrolytic capacitors that use tantalum metal as an anode. They are popular due to their small size and large capacitance values relative to other capacitor types. The M39003/01-2946 is a specialized type of tantalum capacitor used in certain high-voltage circuit applications. This article explains the application field and working principle of the M39003/01-2946.
M39003/01-2946 Applications
The M39003/01-2946 is a surface-mount high-voltage tantalum capacitor. Its rated voltage range is from 10 to 50 Volts. These capacitors are often used for decoupling and buffering in high-voltage switched-mode power supplies (SMPS). They are also found on motherboards, industrial controllers, and other electronic equipment that require higher voltage regulation.
These capacitors are designed to handle high-frequency ripple currents and can be used in both AC and DC circuits. They are especially well-suited for applications where high-voltage transients are present. Additionally, they have an excellent temperature coefficient, making them a good choice for temperature-sensitive applications.
Working Principle
Tantalum capacitors are based on the electrolytic capacitor working principle. An electrolyte is sandwiched between a cathode (negative) and an anode (positive) plate. The cathode is then connected to a voltage source, and when a voltage is applied across the plates, an electric field is established between the electrolyte and the anode. This field causes ions from the electrolyte to be attracted to the anode, producing an electric current.
The M39003/01-2946 uses tantalum metal as an anode material. This capacitor has an extremely thin dielectric layer that is created when the positive voltage from the voltage source is applied to the electrolyte. This effectively creates two plates - the anode and the cathode - and the capacitance is determined by the ratio of the area of the plates to the thickness of the dielectric layer.
These capacitors can withstand high-frequency ripple currents and high voltage transients because of the extreme thinness of the dielectric layer. Additionally, the higher voltage rating allows for improved resistance to thermal instability.
Conclusion
The M39003/01-2946 is a specialized type of tantalum capacitor designed for high-voltage circuit applications. Its high voltage rating and thin dielectric layer allow it to withstand high-frequency ripple currents and high voltage transients. Additionally, its excellent temperature coefficient makes it a good choice for temperature-sensitive applications.
The specific data is subject to PDF, and the above content is for reference
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