PTHF25-50H

DC Resistance (DCR):	20 mOhm Max
Height - Seated (Max):	0.300" (7.62mm)
Size / Dimension:	0.625" Dia (15.87mm)
Supplier Device Package:	--
Package / Case:	Radial
Mounting Type:	Through Hole
Inductance Frequency - Test:	1kHz
Operating Temperature:	--
Ratings:	--
Frequency - Self Resonant:	10MHz
Q @ Freq:	--
Series:	PTHF
Shielding:	Shielded
Current - Saturation:	3.6A
Current Rating:	5.2A
Tolerance:	±10%
Inductance:	25µH
Material - Core:	Molybdenum Permalloy(MPP)
Type:	Toroidal
Part Status:	Active
Packaging:	Bulk

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Fixed Inductors

The PTHF25-50H are fixed inductors that are designed to meet the needs of a wide variety of applications. These inductors, also called chokes, are used in amplifiers, oscillators, and other electrical and electronic circuits to reduce noise interference and to regulate the power supply.The PTHF25-50H have a variety of uses, including:

• Filtering out transient high frequency signals.
• Supplying DC voltage stability.
• Feeding current into transformers.
• Acting as feedback elements in oscillator circuits.
• Choking high-frequency noise.

The PTHF25-50H fixed inductors are constructed with high-quality materials to provide a long service life and performance. A wide range of sizes are available, from the 25mm PTHF25-50H to the 50mm PTHF25-50H. These inductors are designed for both commercial and industrial applications. The PTHF25-50H inductors have several key features which allow them to perform their function. These include:

• High-frequency performance: fixed inductors are designed to operate at frequencies up to several hundred kilohertz, enabling them to provide noise rejection while maintaining a stable DC voltage.
• Low insertion loss: The PTHF25-50H inductors have a low relative core loss, which keeps the voltage drop across the inductor low.
• Passive nature: Fixed inductors are non-polarized components, meaning they can be used in either direction without worrying about the direction of flow of current.
• Low profile: The PTHF25-50H inductors have a small physical footprint, allowing them to be used in cramped spaces such as circuit boards.

The PTHF25-50H inductors are comprised of two parts: the core and the coil. The core is made up of ferrite material, which is magnetically permeable and can store energy in the form of a magnetic field. The coil is a wire that is wound around the core, most often made of copper. The two main parameters of PTHF25-50H inductors are inductance and self-resonant frequency (SRF). The inductance is measured in units of Henrys (H) and indicates how much electrical opposition the inductor offers to an AC current. The SRF is the frequency at which the impedance of the inductor reaches its minimum value, and is usually expressed in megahertz (MHz).The PTHF25-50H inductors are used in many applications, but primarily as noise filters in AC circuits. When an AC current encounters the inductor, it is reduced according to the inductance. This allows the PTHF25-50H inductors to filter out high-frequency noise and provide a stable power supply to downstream components. Although PTHF25-50H inductors have been designed for AC circuits, they can also be used in pulse-width modulation (PWM) circuits as part of a feedback control loop. The inductor would be used to limit the rate of change of the output current of the PWM circuit.In conclusion, the PTHF25-50H inductors are a versatile and reliable component for a variety of electrical and electronic applications. With their high-frequency performance, low insertion loss, low profile, and passive nature, the PTHF25-50H inductors can offer reliable noise rejection, power regulation, and current control.

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