PTKM50R-894VM

DC Resistance (DCR):	16 mOhm Max
Height - Seated (Max):	1.475" (37.46mm)
Size / Dimension:	1.450" L x 0.825" W (36.83mm x 20.95mm)
Supplier Device Package:	--
Package / Case:	Radial
Mounting Type:	Through Hole
Inductance Frequency - Test:	1kHz
Operating Temperature:	--
Ratings:	--
Frequency - Self Resonant:	4MHz
Q @ Freq:	--
Series:	PTKMR-VM
Shielding:	Shielded
Current - Saturation:	4.2A
Current Rating:	9.9A
Tolerance:	±10%
Inductance:	50µH
Material - Core:	Ferrite
Type:	Toroidal
Part Status:	Active
Packaging:	Bulk

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Fixed Inductors

Fixed inductors are electronic components used to resist current passing through a closed circuit. They are considered fixed because they have one constant value regardless of the current passing through them. The PTKM50R-894VM is one such model of fixed inductors.

Application Field

The PTKM50R-894VM is typically used in power line, power amplifier, and high frequency switch circuits. It can handle frequencies up to 8GHz and is designed for switching voltage up to 50V. It is also suitable for medium power applications such as filters and RF amplifiers.

Working Principle

Fixed inductors work by creating an inductive reactance in an electrical circuit. This is achieved when electric current running through the coil creates a magnetic field that opposes any changes in the current. The resistance created by the inductor to the flowing current is referred to as the inductive reactance.The PTKM50R-894VM has an inductance of 0.5 to 0.8nH. It uses a spiral coil on a ferrite core to hold the inductive reactance. This ensures that there is minimal DC bias flux and no significant heat generation while it is in operation.

Advantages and Disadvantages

One advantage of the PTKM50R-894VM is its low insertion loss and small size. This makes it suitable for applications such as microelectronics and computer systems where size and power consumption are of prime importance. The PTKM50R-894VM also has improved distortion characteristics compared to other fixed inductors. This is due to its low core loss and high Q factor.However, one disadvantage of the PTKM50R-894VM is its limited switching voltage. While it can handle up to 50V, some circuits require higher switching voltages. Also, it is not suitable for high power applications as it can overheat under extreme conditions.

Conclusion

In conclusion, the PTKM50R-894VM is a fixed inductor suitable for power line, power amplifier, and high frequency switch circuits. It has a low insertion loss, small size, and improved distortion characteristics compared to other fixed inductors. However, its limited switching voltage and inability to handle high power applications can be drawbacks.

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