M39003/01-2762H Capacitors

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The M39003/01-2762H appears in many applications as a tantalum capacitor, hailed for its superior capacity of supplying long-term power. Commonly known as "beads", these high-frequency, low-profile tantalum capacitors offer in excess of ten times the capacitance of comparable ceramic devices.

The M39003/01-2762H is generally used in applications that require a higher capacitance value, or as a while-noisy cut capacitor that allows for smoother transmission signals across voltage highs and lows. These tantalum capacitors have other advantages. They are also used as a bypass capacitor due to their low impedance rate, and feature a low equivalent series resistance (ESR). This low ESR gives them the sought-after property of preventing in-rush currents.

The M39003/01-2762H are polarized components, with different voltage ratings and forms in accordance with J-STD-20 specification. The lead construction allows for easy automated pick and place operations. The leads are connected to the capacitor body with a conductive epoxy bond.

The M39003/01-2762H offers several types of anode construction, depending on the application. These include anode wrap, which is used for both pressure-fuse and non-fuse applications. The pressure-fuse anode construction is made of organic-base material, and is suitable for both high- and low-voltage applications. The non-fuse anodes are made of anode material inorganic or organic-base, and are suitable for both flow and reflow solder soldering.

The M39003/01-2762H’s working principle can be largely attributed to the structure of the tantalum pentoxide (Ta2O5) layer that functions as the dielectric material. When voltage is applied, Ta2O5 absorbs electrical energy as it polarizes, and this causes an increase in the dielectric strength. The increased capacitance is inversely proportional to the voltage, meaning that voltages over the specified rating can cause catastrophic failure.

The M39003/01-2762H is an excellent choice of capacitor for applications that demand high capacitance, low ESR, and low leakage. It is important to note that due to its polarized construction, the capacitor must be correctly connected with respect to the polarity indicated on the body in order for it to work correctly.

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