M39003/01-2511/HSD

Operating Temperature:	-55°C ~ 125°C
Failure Rate:	P (0.1%)
Features:	Military
Manufacturer Size Code:	B
Lead Spacing:	--
Height - Seated (Max):	--
Size / Dimension:	0.185" Dia x 0.474" L (4.70mm x 12.04mm)
Package / Case:	Axial
Mounting Type:	Through Hole
Lifetime @ Temp.:	--
Series:	Military, MIL-PRF-39003/1, CSR13
ESR (Equivalent Series Resistance):	--
Type:	Hermetically Sealed
Voltage - Rated:	15V
Tolerance:	±10%
Capacitance:	22µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

Tantalum capacitors, also known as tantalum electrolytic capacitors, are widely used in industrial applications due to their excellent electrical performance, low ESR, low DF, high temperature stability, small size, low capacitance, good dynamic response and long service life. The M39003/01-2511/HSD capacitor is a fully polarized, non-solid tantalum capacitor specifically designed for high AC application.

Application Field

M39003/01-2511/HSD capacitors are suitable for various switching controllers, controllers, digital systems and digital circuits. Because of their high breakdown voltage and high AC withstand voltage, they are particularly suitable for the high AC voltage exposure in these fields. They are also ideal for use in voltage regulators and circuit decoupling applications, as they provide excellent ripple current handling capacity and minimal leakage.In addition, these capacitors can also be used in motor control applications, such as motor inverters and motor drives, as they have good frequency and temperature characteristics. Furthermore, the capacitance range and voltage range of these capacitors makes them a good choice for medium voltage AC and DC applications.

Working Principle

The working principle of the M39003/01-2511/HSD tantalum capacitor is based on the electrical change in the applied field. A tantalum anode is polarized by an electric field, and the site of polarization is known as the dielectric layer. When an AC current flows through this dielectric layer, the current produces a displacement current which has the effect of increasing the electric field applied to the anode plate. This increase in electric field causes a current to flow through the dielectric, and the current is equal to the displacement current produced by the electric field.When a capacitor is fully polarized, the dielectric layer is covered with a thin oxide layer, which increases the capacitance of the capacitor and reduces its equivalent series resistance (ESR) value. This increases the ripple current tolerance of the capacitor, allowing it to handle higher currents, and reduces the leakage current, thus increasing the stability of the capacitor.

Conclusion

M39003/01-2511/HSD capacitors are widely used for their small size, high capacitance, high AC voltage withstand, temperature and frequency stability. They are suitable for a wide range of applications from low voltage AC and DC to high voltage AC applications, and their high ESR and DF make them ideal for different voltage regulator and circuit decoupling applications. Their working principle is based on the electric field applied to the oxidized anode plate which causes a displacement current, resulting in increased capacitance and decreased ESR.

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