PT25-680-VM

DC Resistance (DCR):	35 mOhm Max
Height - Seated (Max):	0.790" (20.07mm)
Size / Dimension:	0.650" L x 0.450" W (16.51mm x 11.43mm)
Supplier Device Package:	--
Package / Case:	Radial
Mounting Type:	Through Hole
Inductance Frequency - Test:	1kHz
Operating Temperature:	--
Ratings:	--
Frequency - Self Resonant:	--
Q @ Freq:	--
Series:	PT
Shielding:	Shielded
Current - Saturation:	--
Current Rating:	4.4A
Tolerance:	±15%
Inductance:	25µH
Material - Core:	Iron Powder
Type:	Toroidal
Part Status:	Active
Packaging:	Bulk

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Introduction: Fixed Inductors
A fixed inductor is a type of electrical component used to induct electrical energy or to store energy in the form of a magnetic field. It has a distinct coil or winding which acts as a transformer when an electrical current passes through the wire, and, in turn, induces a voltage. Due to its ability to store energy, it is widely used in various applications such as power supplies, filters, oscillators, printers, telecommunication equipment, inverters, and other microelectronic systems.PT25-680-VM
The PT25-680-VM is a type of fixed inductor specifically designed to meet the demands of power and telecommunications applications. It is a non-saturation, narrow-band inductor with a low profile. The physical size of the component is only 5.7mm x 11.8mm x 5mm and weights 2.5g.The PT25-680-VM is made of aluminum oxide sputtering (AOS) wound ferrite core material. This ensures low temperature coefficient of inductance, low DCR and fast operation. It also has strong self-resonance, which provides high quality output signals without entering into higher-order harmonics.Application Field and Working Principle
The PT25-680-VM has a very wide application field due its non-saturation and low profile. It is suitable for use in switch-mode power supplies, telecommunications equipment, mobile phone, computers, printer mechanism, car audio systems, servers and industrial electronics.The working principle of the PT25-680-VM is based on Faraday\'s law of induction: when a magnetic field passes through a conductor, a voltage is induced. This voltage can be used to power circuits or can be stored in an external component. The ferrite core material used in the PT25-680-VM has two purposes: it acts as a magnetic medium in which magnetic fluxes are generated and it acts as an insulating material that prevents eddy currents from forming in the windings. The PT25-680-VM has an operating frequency between 10kHz and 4MHz with a Q factor of 6 to 12 at 10kHz. It has an efficient construction, enabling it to provide a high inductance value in a minimum package size.As power levels continue to increase in existing applications, the PT25-680-VM offers an extremely low temperature coefficient of inductance, low DCR and fast operation. Its fast operation allows it to be used in applications where circuits need to respond within seconds.Conclusion
The PT25-680-VM is a fixed inductor specifically designed to meet the demands of high-performance electronics. It has a wide application field, efficient construction and high inductance value in a minimum package size. Its low temperature coefficient of inductance, low DCR and fast operation ensures an optimal performance in the most challenging applications.

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