SDR7030-681K

DC Resistance (DCR):	4.35 Ohm Max
Height - Seated (Max):	0.130" (3.30mm)
Size / Dimension:	0.276" L x 0.276" W (7.00mm x 7.00mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Inductance Frequency - Test:	100kHz
Operating Temperature:	-40°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	5MHz
Q @ Freq:	28 @ 796kHz
Series:	SDR7030
Shielding:	Unshielded
Current - Saturation:	180mA
Current Rating:	180mA
Tolerance:	±10%
Inductance:	680µH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed Inductors

Fixed inductors, sometimes referred to as coils or chokes, are basic components of electrical and electronic circuits. In many cases, a fixed inductor works as either a Radio Frequency (RF) antenna, or as a filter element either directly or in combination with other components. The SDR7030-681K is a type of fixed inductor with a variety of applications in the electronic field.The SDR7030-681K is characterized by its small size and high inductance level. It is commonly used in cellular phones, Bluetooth modules, WLAN equipment, and battery-powered devices. Its size enables it to be integrated in to more compact designs, allowing manufacturers to create smaller, more efficient devices. Its high inductance level also makes it a suitable choice for a range of frequency filtering applications.The SDR7030-681K is a wound inductor, meaning that it consists of a coil of insulated copper wires that are wound tightly around a core of ferrite material. This design creates a magnetic flux that arises from the movement of electrons through the coiled wires. Inductance, or the opposition to the flow of electricity, is the result of the electromagnetic field created due to this flux.The inductance of the SDR7030-681K is measured in henries. It is rated at 0.7 henries, meaning that it can offer a higher level of impedance compared to other similarly-sized coils. The inductance also affects the resonance frequency, a frequency at which the device will reach its highest point of inductance. At its resonance frequency, the SDR7030-681K can support up to 0.9 A of current.The SDR7030-681K is available in two main forms: surface-mount and through-hole. Surface-mount devices are usually soldered in place, while through-hole devices are secured by using a threaded fastener. The device is also rated for both DC and AC current. This makes it well-suited for use in circuits that are powered either by direct current or by alternating current.The SDR7030-681K can also be used as a distributed element filter, a device used for frequency selection. In this application, the inductor works together with capacitors to form a resonant circuit. The resonant frequency is determined by the values of the inductor and capacitor.The SDR7030-681K is also used as an antenna element in Radio Frequency (RF) applications. Its small form factor allows it to be used in a wide range of products, from wireless routers to wearables. In this application, the inductor radiates energy generated by an RF signal. The figure of merit of this device is ideal for use with antenna systems operating in the 2.4 and 5.8 GHz bands.The SDR7030-681K is an effective and efficient fixed inductor with many applications in the electronic industry. It can be used as either a filter or an antenna, or even as a distributed element filter. Its high inductance level and small form factor make it suitable for use in devices with limited space and frequency-filtering applications. Its availability in two different forms also allows for easier and more flexible implementation.

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