B41890A6108M

Polarization:	Polar
Package / Case:	Radial, Can
Mounting Type:	Through Hole
Surface Mount Land Size:	--
Height - Seated (Max):	1.319" (33.50mm)
Size / Dimension:	0.630" Dia (16.00mm)
Lead Spacing:	0.295" (7.50mm)
Impedance:	28 mOhms
Ripple Current @ High Frequency:	3.16A @ 100kHz
Applications:	General Purpose
Ratings:	--
Series:	B41890
Operating Temperature:	-55°C ~ 105°C
Lifetime @ Temp.:	15000 Hrs @ 105°C
ESR (Equivalent Series Resistance):	34 mOhm @ 10kHz
Voltage - Rated:	50V
Tolerance:	±20%
Capacitance:	1000µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Aluminum Electrolytic Capacitors - B41890A6108M application field and working principle

Aluminum electrolytic capacitors are used in a wide range of applications due to their large capacitance values, low cost, and small physical sizes. The B41890A6106M specifically is a miniature, two-pin, snap-in PCB mount aluminum electrolytic capacitor that offers an extremely long life at 105°C.

Basic Considerations for the B41890A6108M

Though this capacitor is typically used as a power supply filter for computer systems and other electronic devices, it has many features that make it useful in many other applications. It offers a long rated life with stable capacitance up to 1000 hours at full rated voltage. It can operate at ambient temperatures between -40°C and 85°C. The B41890A6108M is also reflow-solderable and can be reflow soldered up to 8 times. The two-pin snap-in PCB mountable design of this capacitor makes it especially convenient for calling to design, experimentation, testing, and assembly.

Under the Hood of the B41890A6108M

Before discussing the application and usages of the B41890A6108M, it’s important to understand the device’s basic components and workings. This will ensure a good understanding of how the capacitor works and how it can be used.At the core of this capacitor is an electrochemical polarization system that utilizes a non-polarizing electrolyte and a polarized di-electrolyte. In the most basic form, an electrolytic capacitor is composed of two electrical conductors separated by an insulating electrolyte. The two electrical conductors are typically two metallic plates, made of aluminum or tantalum. An oxide layer is formed on one plate (the anode), which acts as the dielectric layer. The electrolyte is a chemical or conductive liquid that acts as an ionic conductor.Between the two electrical conductors is a solid insulation material such as paper, film, plastic, or ceramic. This insulation material is used to prevent any short circuit due to contact between the two conductors. Once electricity is introduced, an electric field is created between the electrodes, resulting in the creation of a dielectric. The material used to form the dielectric needs to be able to support a large electric field with minimal leakage.The B41890A6108M takes this basic capacitor design and improves it with a unique snap-in construction that simplifies the assembly process. The mounting tab of the capacitor is made of a plastic material, such as nylon, which creates a secure fit between the surface mount pads and the mounting post of the capacitor. The mounting tab is rigid so that there is no need to use any other type of holding mechanism.The unique snap-in construction also greatly reduces the amount of soldering needed during the assembly process. This is especially useful for applications where the assembly has to be completed in a very short time.On top of all its other features, the B41890A6108M is rated for use in temperature range from -55°C to 105°C and is resistant to extreme temperatures.

Applications of the B41890A6108M

Due to its impressive features, the B41890A6108M has many uses in the electronics industry. It is most commonly used in desktop and laptop computers to filter power supply and improve signal quality. It is also widely used in small power inverter, medical equipment, PID controllers, and industrial electronics.The B41890A6108M is ideal for applications that require a high capacitor count in a small area without consuming too much power. The snap-in construction of this capacitor also makes it suitable for applications that are subject to frequent vibration and are likely to experience temperature cycling.Due to its long rated life and stable capacitance values, the B41890A6108M is also used in automotive electronics, such as power steering systems, engine control units, and navigation systems. Its durability and stability also make it suitable for applications in remote sensing and spacecraft.

Conclusion

In conclusion, the B41890A6108M is a high-performance aluminum electrolytic capacitor that is used in a variety of applications due to its high capacitance values, low cost, and small physical size. Its snap-in construction, long rated life, and resistance to extreme temperatures make it an ideal choice for applications in computers, medical equipment, and industrial electronics. Automotive and aerospace applications also benefit from the B41890A6108M’s durable design and performance.

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