PD73R-472M

DC Resistance (DCR):	60 mOhm Max
Height - Seated (Max):	0.138" (3.50mm)
Size / Dimension:	0.303" L x 0.272" W (7.70mm x 6.91mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Inductance Frequency - Test:	7.96MHz
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	--
Q @ Freq:	--
Series:	PD73R
Shielding:	Unshielded
Current - Saturation:	2.1A
Current Rating:	2.1A
Tolerance:	±20%
Inductance:	4.7µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed Inductors: PD73R-472M Application Field and Working Principle

Fixed inductors, also commonly known as chokes, are electronic components used for assistance in the transmission and reception of radio signals. One specific type of fixed inductor, the PD73R-472M, is a common device used for RF signal transfer and stands out compared to other inductors of its kind due to its low insertion loss, wide operating frequency range, and high current-handling capacity. This article will take a closer look at the PD73R-472M and its main application fields and working principle in detail for readers to understand.

Application Field of The PD73R-472M

The PD73R-472M is a common type of fixed inductor component, in particular, well-suited for RF signal transfer applications. It boasts an exceptionally wide operating frequency range from 830MHz-2.4GHz and its ferrite core material allows for unparalleled low insertion loss. Due to its current-handling capacity of up to 1.57A, the PD73R-472M can be employed in high frequency, big power communication and electronic instrumentations without fear of overheating or other forms of risk. This impressive array of features makes the PD73R-472M an ideal choice for a variety of applications, including FM broadcast receivers, car audio systems, MP3 players, GPS navigation, satellite radio, and more.

Working Principle of The PD73R-472M

To drivers and end-users, the PD73R-472M may appear to be a simple component, but its operation principle is actually quite complex. This device is often referred to as a “balun transformer” because when installed correctly, it is able to match the different impedances on each side of the RF signal path. To do this, it offers an inductance that creates an inductive reactance in the signal path, which then compensates for any capacitive reactance that may exist.This so-called “impedance matching” process is an important step for any communication or electronic instrumentation setup, as it ensures that there is as little power loss as possible between transmission and reception points. Without the PD73R-472M or some other kind of inductive reactance, there is potential for an unbalanced power consumption load across components, or worse, compromise the RF signal’s integrity in whole.

Conclusion

In conclusion, the PD73R-472M is a versatile fixed inductor component, ideal for radio frequency signal transfer applications. Its wide operating frequency range, high current-handling capacity, and low insertion loss make it an excellent choice for any communication and instrumentation setup. The working principle of the PD73R-472M involves an inductive reactance output, which is integral for impedance matching and ensuring that no power is wasted between signal transmission and reception. All in all, the PD73R-472M is a powerful and reliable choice for anyone looking to transmit and receive RF signals.

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