M39003/09-3055/TR

Operating Temperature:	-55°C ~ 125°C
Failure Rate:	C (0.01%)
Features:	Military
Manufacturer Size Code:	C
Lead Spacing:	--
Height - Seated (Max):	--
Size / Dimension:	0.289" Dia x 0.686" L (7.34mm x 17.42mm)
Package / Case:	Axial
Mounting Type:	Through Hole
Lifetime @ Temp.:	--
Series:	Military, MIL-PRF-39003/9, CSR21
ESR (Equivalent Series Resistance):	160 mOhm
Type:	Hermetically Sealed
Voltage - Rated:	35V
Tolerance:	±20%
Capacitance:	22µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Tantalum Capacitors

Tantalum capacitors, also known as tantalum electrolytic capacitors, are electronic parts used in a variety of circuits to store energy temporarily. There are many types and categories of tantalum capacitors which serve a wide range of applications depending on their size, type and rating. One of these is the M39003/09-3055/TR, a type of tantalum surface mount capacitor.

M39003/09-3055/TR Application Field and Working Principle

The M39003/09-3055/TR tantalum capacitor is a surface mount component typically used in high frequency switching power supply and low noise amplifier applications. It is very popular in modern electronics as it is small in size, light in weight and easy to mount.The M39003/09-3055/TR has two electrical terminals, one positive and one negative, the voltage between which can reverse (from negative to positive and vice versa). This makes it a polarized device, meaning that it is important to connect it correctly to ensure that the correct polarity is maintained in the circuit. The working principle of the M39003/09-3055/TR is based on the principle of electrochemical capacitance. It works by having two metal foils separated by an oxidized conducting layer, typically tantalum. This is known as a sintered anode construction. This layer acts as an insulator between the two metal foils, allowing a voltage potential to develop across the two foils.The positive terminal of the M39003/09-3055/TR is connected to the metal foil covered with the insulating layer, and the negative terminal is connected to the other foil. The metal foils form the conductive plates which form the electrical storage capacity of the capacitor. When a potential is applied across the terminals of the capacitor, an electric field is generated across the insulating layer. This electric field creates a charge separation between the two metal foils, one carrying a positive charge and one carrying a negative charge.This charge separation results in the capacitor storing an electrical charge that can be released through the terminals whenever needed, allowing it to serve as a temporary energy storage device. Depending on the amount of charge stored in the capacitor, the oxidation layer will either expand or contract, consequently changing the capacitance of the device.The M39003/09-3055/TR is typically a surface mount device, meaning that it has solder pads or terminals that are soldered directly onto a PCB (printed circuit board). This offers a number of benefits compared to other types of capacitors such as increased efficiency and improved performance.

Conclusion

The M39003/09-3055/TR is a type of tantalum capacitor which is widely used in modern electronic devices. This surface mount capacitor is small in size, light in weight and easy to mount. It works by having two metal foils separated by an oxidized conducting layer (typically tantalum) and stores energy temporarily. It is typically used in high frequency switching power supply and low noise amplifier applications.

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