CDRH2D11/HPNP-4R7NC Inductors, Coils, Chokes

DC Resistance (DCR):	238 mOhm Max
Height - Seated (Max):	0.043" (1.10mm)
Size / Dimension:	0.118" L x 0.118" W (3.00mm x 3.00mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Inductance Frequency - Test:	100kHz
Operating Temperature:	-40°C ~ 105°C
Ratings:	--
Frequency - Self Resonant:	--
Q @ Freq:	--
Series:	CDRH2D11/HP
Shielding:	Shielded
Current - Saturation:	750mA
Current Rating:	850mA
Tolerance:	±30%
Inductance:	4.7µH
Material - Core:	Ferrite
Type:	--
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction
Fixed inductors are passive electronic components that store energy in a magnetic field when electric current passes through them. The CDRH2D11/HPNP-4R7NC is a device that belongs to this category. It has many uses in the industry, ranging from RF (Radio Frequency) applications to the reliable power supply of system control boards. In this article, we will take a look at the application field and working principles of CDRH2D11/HPNP-4R7NC in order to obtain a better understanding of the device and its capabilities.

Applications
The main application of CDRH2D11/HPNP-4R7NC is in RF and microwave applications. It provides an RF circuit with a stable power supply and also helps to limit the amount of RF signal that would be coupled from one port to another. This device is especially popular in industrial and military radios, where its high operating frequency makes it an attractive choice. Furthermore, this device is also used in certain power supplies and in many inverters.

The device is also suitable for other applications such as signal sensing and medical sensors. In signal sensing, the device acts as a filter to eliminate unwanted frequencies, while in medical sensors it is used to measure changes in pressure or temperature. Due to its small size and low cost, this device has become an increasingly popular choice for such applications.

Working Principle
The working principle of CDRH2D11/HPNP-4R7NC is based on the concept of inductance. Inductance is a property of an inductor in which a change in the current through it induces a voltage across the device. The device consists of a core, a coil, and a pair of terminals. When electric current flows through the coil, it creates a magnetic field around the core, which then induces a voltage across the terminals, thus allowing current to flow.

The device is also designed to be used in a variety of applications, including RF and microwave applications. This is achieved by inserting a ferrite material into the coil, which helps to increase the desired inductance of the device. As a result, the device can be used to create an adjustable filter for a given frequency range, as well as enabling amplification and impedance matching for RF and microwave applications.

Conclusion
CDRH2D11/HPNP-4R7NC is a type of fixed inductor, and its working principle is based on the concept of inductance. It is widely used in RF and microwave applications, providing the necessary filter and impedance matching, as well as helping to provide a stable power supply. Additionally, this device is also used in many other applications, such as medical sensors and signal sensing. All in all, CDRH2D11/HPNP-4R7NC is a versatile device that has become increasingly popular in the industry.

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