1945-03H

DC Resistance (DCR):	190 mOhm Max
Height - Seated (Max):	--
Size / Dimension:	0.193" Dia x 0.447" L (4.90mm x 11.35mm)
Supplier Device Package:	--
Package / Case:	Axial
Mounting Type:	Through Hole
Inductance Frequency - Test:	7.9MHz
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	76MHz
Q @ Freq:	60 @ 10MHz
Series:	1945
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	1.2A
Tolerance:	±3%
Inductance:	3.9µH
Material - Core:	Iron
Type:	Molded
Part Status:	Active
Packaging:	Tape & Reel (TR)

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In the field of electronics, the 1945-03H inductors are an essential component that comes with numerous advantages. These fixed inductors are found in circuits of many products, including cellular phones, radios, cameras, and other consumer electronic devices. 1945-03H is widely used as a high-power filter inductor for power supply applications. It basically provides an inductive property as part of a circuit, usually to produce a desired range of frequencies. This type of inductor consists of a coil of wire with internal structure, made of different materials such as ferrite,iron, copper, aluminum, or copper alloy.The working principle of the 1945-03H inductors is based in the function of an inductor, which is to stabilize the current being passed through a conductor in a circuit. An inductor is similar to a resistor in that it creates a voltage drop as current is passed through it. The difference between a resistor and an inductor is that the voltage drop produced by an inductor is time-dependent, i.e. it changes with the frequency of the current. This means that when a varying current is applied to an inductor, its voltage drop varies accordingly.As with any other inductor, the 1945-03H inductors are normally used as part of a circuit to block direct currents and store energy as a magnetic field for a specific period of time when a periodic current is applied to the circuit. It is also known for its filtering capabilities and is commonly used to reduce unwanted frequencies in circuits. As a high-power inductor, the 1945-03H is especially designed for power supply filtering for high-power circuits.In order to obtain the desired characteristics, the 1945-03H inductors have certain design features. Firstly, the core of the inductor consists of materials such as nickel-zinc ferrite and ALUZ 736 alloy, which are highly resistant to high temperature and provide good magnetic characteristics. The windings are made of copper, and the overall design is such that current carrying leakage induction is minimized. Furthermore, the 1945-03H inductors have a self-shielded ferrite core structure, which eliminates the need for additional shielding and allows for a wide operating temperature range.The 1945-03H inductors are also known for their excellent stability over a wide temperature range. It means that the inductance values remain constant despite any change in temperature. This feature is due to the use of ALUZ 736 alloy as the core material, which provides excellent thermal stability. Furthermore, this type of inductor does not require any external circuitry for protection since it has an integral clamp structure that provides a secure connection.Last but not least, the 1945-03H inductors are highly reliable and durable, which is one of the major reasons why they are chosen in numerous power supply circuits. Thanks to their high-power filtering capabilities, the 1945-03H inductors are suitable for many applications that require long-term reliability.In conclusion, the 1945-03H fixed inductor is suitable for a wide range of applications and it is highly rated in terms of its performance and reliability. This type of inductor has unique design features that make it suitable for high-power applications and provide excellent stability over a wide temperature range. Additionally, it is very easy to install due to its integral clamp structure. With so many advantages, it is no wonder why the 1945-03H inductors are widely used in power supply filtering for many consumer electronic devices.

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