7443634700

Series:	WE-HCF
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Wirewound
Material - Core:	Ferrite
Inductance:	47µH
Tolerance:	±15%
Current Rating:	12A
Current - Saturation:	8.5A
Shielding:	Shielded
DC Resistance (DCR):	12.2 mOhm
Q @ Freq:	--
Frequency - Self Resonant:	10MHz
Ratings:	--
Operating Temperature:	-40°C ~ 125°C
Inductance Frequency - Test:	100kHz
Mounting Type:	Surface Mount
Package / Case:	Nonstandard
Supplier Device Package:	--
Size / Dimension:	0.858" L x 0.846" W (21.80mm x 21.50mm)
Height - Seated (Max):	0.571" (14.50mm)

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What are Fixed Inductors?

Fixed inductors, also known as choke coils, are electronic components consisting of an inductor wound in a single C-shape or two nested C-shapes, with core materials of either air, iron, ferrite, or powdered iron. Similar to resistors, fixed inductors are used to limit or to change the current flowing through an electric circuit.

7443634700 Application Field and Working Principle

The 7443634700 is a fixed inductor, specifically a Common Mode Choke. Common Mode Chokes are widely used in power supplies, HMIs, DC/DC converters, LCDs, audio system, DVD drives, and other applications. The 7443634700 is commonly used in EMI suppression/attenuation solutions. In an electric circuit, the 7443634700 operates by passing alternating current (AC) through its inductor windings in order to create a magnetic field. This magnetic field creates an opposing force, known as inductive reactance, which reduces or limits the amount of current in the circuit. The 7443634700 has a rated impedance of 8 Ω, and is capable of handling currents up to 100 mA. The core of the 7443634700 is made of ferrite, which offers a combination of shielding and frequency filtering. In addition to its ability to reduce EMI noise, the 7443634700 is also capable of blocking transmitted and received signals, as well as suppressing common mode signals. This makes the 7443634700 a versatile and cost-effective solution for many applications.

Application Considerations

When using the 7443634700 in your application, there are several factors to consider: * Temperature: The 7443634700 should not be used in temperatures exceeding +85°C.* Self-resonance Frequency: For most applications, the SRF needs to be above 10MHz for best performance.* Inductance: The 7443634700 has a rated inductance of 8 µH, but this can vary with frequency and temperature.* Saturation Voltage: The 7443634700 has a rated saturation voltage of 10V, meaning that once this voltage is exceeded, the inductance begins to decrease.

Conclusion

The 7443634700 is a versatile fixed inductor that is widely used in power supplies, EMI suppression, and RF applications. It provides ample current handling, low inductance, and excellent shielding, making it an ideal solution for many electronic projects. When designing an application involving the 7443634700, it is important to consider the temperature, self-resonance frequency, inductance, and saturation voltage of the device. By taking these factors into account, one can ensure the best possible performance for their application.

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