PTHF25R-40SM

DC Resistance (DCR):	40 mOhm Max
Height - Seated (Max):	0.400" (10.16mm)
Size / Dimension:	0.570" L x 0.560" W (14.48mm x 14.22mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Inductance Frequency - Test:	1kHz
Operating Temperature:	--
Ratings:	--
Frequency - Self Resonant:	20MHz
Q @ Freq:	--
Series:	PTHFR-SM
Shielding:	Shielded
Current - Saturation:	2.2A
Current Rating:	3.38A
Tolerance:	±10%
Inductance:	25µH
Material - Core:	Molybdenum Permalloy(MPP)
Type:	Toroidal
Part Status:	Active
Packaging:	Bulk

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Fixed inductors, also known as chokes, are electrical components that are mostly used for filtering, coupling, and noise suppression purposes. The PTHF25R-40SM is one of the most popular fixed inductor models in the market. It is capable of withstanding high temperatures and has a broad frequency application range. This article will explore the application field and working principle of the PTHF25R-40SM.

Applications of the PTHF25R-40SM include:

• Radio transceiver
• Motor control
• Automotive EMI filter
• RF attenuators
• Ethernet/Automation networks
• Power supply

The broad spectrum of application of the PTHF25R-40SM is made possible by its reliable design and performance capabilities. It features high-temperature capability of 125 degrees Celsius as well as a low resistance of 0.4 ohms. These features allow it to be used in a wide array of applications, from general purpose to high-powered applications.

The working principle of the PTHF25R-40SM is based on Faraday\'s law of induction. This law states that an electric current passing through a circuit produces a magnetic field. In the case of the PTHF25R-40SM, this property is used to produce an electromagnetic field that can be used for noise suppression or filtering purposes. In addition, the device also provides an amplitude-selective capability that can be used for rejecting or tuning certain amplification frequencies.

The PTHF25R-40SM also features a low self-inductance, which is ideal for use in high-frequency devices such as radios and TV tuners. It is generally used in combination with other components such as capacitors and diodes to form a circuit that can achieve desired performance. Its wide frequency response range makes the PTHF25R-40SM suitable for many modern applications. For example, it is commonly used in motor controllers, EMI filters, and RF amplifiers.

Overall, the PTHF25R-40SM is a versatile fixed inductor that can be used in a wide array of applications. Its high-temperature capability and low resistance allows it to be used in high-powered applications as well as general low-voltage applications. The PTHF25RL-40SM also provides an amplitude-selective capability and low self-inductance that make it ideal for use in frequency filtering and noise suppression applications. Its wide frequency response range makes it suitable for modern applications such as radio transceivers and motor controllers.

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