M39003/09-0152H

Operating Temperature:	-55°C ~ 125°C
Failure Rate:	P (0.1%)
Features:	Military
Manufacturer Size Code:	D
Lead Spacing:	--
Height - Seated (Max):	--
Size / Dimension:	0.351" Dia x 0.786" L (8.92mm x 19.96mm)
Package / Case:	Axial
Mounting Type:	Through Hole
Lifetime @ Temp.:	--
Series:	Military, MIL-PRF-39003/9, CSR21
ESR (Equivalent Series Resistance):	75 mOhm
Type:	Hermetically Sealed
Voltage - Rated:	20V
Tolerance:	±20%
Capacitance:	100µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Tantalum Capacitors – M39003/09-0152H Application Field and Working Principle

Tantalum capacitors are small, cylindrical electronic components used in a variety of electronics applications. These include, but are not limited to, use in radio frequency (RF) devices, digital equipment, and automotive, aerospace, and medical electronic products. The primary use of tantalum capacitors is to store and release electrical energy when needed. They are also used in a range of electronics for signal filtering, bypassing, and energy storage.M39003/09-0152H tantalum capacitors are non-polarized, axial-lead, described by the manufacturer as “high-reliability/high-performance” devices. They have a wide range of application fields, and they are typically associated with the use of microcontrollers, active filters, and voltage regulation circuits.The working principle of the M39003/09-0152H tantalum capacitor is based on Faraday’s law, which states that the rate of an electrical current traveling through a circuit is determined by the amount of electricity induced in the circuit. In essence, this law states that instead of having an impulse of electricity pass through a circuit, an electric field needs to be created in the circuit. The M39003/09-0152H capacitor works in this fashion; an applied voltage creates an electric field in the capacitor’s anode/cathode electrodes, which then stores electrons. The anode/cathode electrodes in the capacitor act as a storage device, and a dielectric is used to insulate the electrons from the surrounding environment. This electric field allows the capacitor to store electrical energy, and it is released when the applied voltage is reduced or removed.The electric field created in the capacitor is what allows it to store energy. When a voltage is applied, the electric field in the capacitor increases in intensity, which causes the electrons to move to the anode/cathode electrodes and into the capacitor. This is the charging process for the capacitor. When the voltage is removed, the electric field weakens and the electrons stored in the capacitor are released. This is the discharging process. The internal resistance of the capacitor determines how quickly it can charge and discharge its stored energy. In the case of the M39003/09-0152H capacitors, they have extremely low values of internal resistance, which makes them very efficient.The value of the capacitance of the capacitor is predetermined by the manufacturer and depends on the size of the capacitor; the larger the capacitor, the higher the capacitance. The M39003/09-0152H series of capacitors offers a range of capacitance values of 39 to 803 μF. The temperature of the capacitor also alters its capacitance, which is why all M39003/09-0152H capacitors are rated for operation at temperatures between -55 and +85°C. The M39003/09-0152H series of capacitors is often used in high-reliability/high-performance applications, as well as in digital and RF components. In digital electronics, the capacitors are used to store energy required to switch transistors, and in RF applications, they act as a filter to keep out noise and enable a clean signal to pass through. In medical devices, they are employed to maintain a constant voltage under varying conditions.In conclusion, the M39003/09-0152H capacitors offer a wide range of application fields and are one of the most reliable and efficient types of capacitors around. Thanks to their design, they are suitable for a myriad of different electronics applications, from medical equipment to digital components and RF devices. The capacitors are highly robust, operate reliably at extreme temperatures, and respond very quickly to changes in voltage.

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