M39003/01-7340H

Operating Temperature:	-55°C ~ 125°C
Failure Rate:	C (0.01%)
Features:	Military
Manufacturer Size Code:	A
Lead Spacing:	--
Height - Seated (Max):	--
Size / Dimension:	0.135" Dia x 0.286" L (3.43mm x 7.26mm)
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:	100V
Tolerance:	±10%
Capacitance:	0.068µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Tantalum Capacitors: M39003/01-7340H Application Field and Working PrincipleTantalum capacitors are a type of electrolytic capacitor, they are widely used in different types of applications due to their extremely large capacitance values, small size and their high stability. The M39003/01-7340H capacitors come from the M39xxx/01-7xxxM series, a group of tantalum capacitors designed for special applications that require increased reliability in extreme environments.ApplicationsThe M39003/01-7340H capacitors are commonly used in aircraft and satellite electronics, automotive and off-road safety, military electronics and sensors, industrial measurement & control, and medical electronics. Due to their robust construction, durability and their excellent voltage rating, these capacitors are suitable for use in areas with high vibration, high temperature and humidity. For example, in aircraft and satellite electronics, these capacitors are used as decoupling or bypass circuits, and in automotive and off-road applications, they are used for automotive, engine control, power distribution and traction control circuits.ConstructionThe M39003/01-7340H capacitors feature a hermetically sealed all-welded construction. They consist of a tantalum anode formed by the sintering procedure and a manganese dioxide cathode, which is held within a stainless steel container. A voltage-stimulated polymer sleeve fills this container, and serves as a dielectric to provide electrical insulation between the anode and the cathode. A dry electrolyte is impregnated throughout the capacitor to ensure electrical connection between the anode and the cathode and to improve the capacitance range and oscillation frequency. The capacitor has a positive and negative lead that ensures easy connection to the circuit.Working PrincipleThe M39003/01-7340H capacitor works on the principle of Faraday’s Law of electrolysis. When a voltage is applied to the capacitor, the current passing through the anode is the same as the current that passes through the cathode. The voltage across the two electrodes causes the electrons to enter the capacitor from the anode and leave from the cathode. This flow of electrons between the electrodes creates a stored electrostatic charge, which acts as a source of energy. The amount of charge stored in the capacitor depends on the capacitance-voltage (CV) curve, which is determined by the amount of capacitance value and the applied voltage. The ability of the capacitor to store charge and discharge it depends on the frequency of the signal that is applied to it. The good thermal stability, tight tolerance and low stray inductance of the M39003/01-7340H capacitors make them ideal for use in extreme temperatures and high-vibration applications.ConclusionThe M39003/01-7340H capacitors from the M39xxx/01-7xxxM series belong to the family of tantalum capacitors with hermetically sealed, all-welded construction. Due to their large capacitance values, small size and their high stability, they are widely used in aircraft and satellite electronics, automotive and off-road applications, military electronics and sensors, industrial measurement and control, and medical electronics. The high voltage rating, large capacitance range and low stray inductance also make them ideal for use in extreme environments. The capacitor works on the principle of Faraday’s Law of electrolysis, where the amount of charge stored in the capacitor depends on the capacitance-voltage (CV) curve. These capacitors are reliable and durable and can offer reliable performance in challenging applications.

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