IHLP4040DZER6R8M8A

DC Resistance (DCR):	22.36 mOhm Max
Height - Seated (Max):	0.157" (4.00mm)
Size / Dimension:	0.406" L x 0.406" W (10.30mm x 10.30mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Inductance Frequency - Test:	100kHz
Operating Temperature:	-55°C ~ 180°C
Ratings:	AEC-Q200
Frequency - Self Resonant:	15.8MHz
Q @ Freq:	--
Series:	IHLP-4040DZ-8A
Shielding:	Shielded
Current - Saturation:	9A
Current Rating:	8A
Tolerance:	±20%
Inductance:	6.8µH
Material - Core:	--
Type:	Molded
Part Status:	Active
Packaging:	Tape & Reel (TR)

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IntroductionThe IHLP4040DZER6R8M8A is a fixed inductor that is ideal for high frequency through-hole applications where size is a factor. In order to meet the demanding requirements of modern circuits, the inductor is composed of a high-Q ferrite core and has a good temperature stability and excellent radiation properties. The inductance range is 0.003mH-3mH, inductance tolerance is 10%, and DCR max is 0.081 ohms.Application FieldThe IHLP4040DZER6R8M8A is an excellent choice for use in high-frequency switching power supplies, cut-off filters, resonant circuits, oscillators, and other general-purpose inductance circuits to provide inductance and noise suppression. The IHLP4040DZER6R8M8A has many broad applications due to its low volume, high reliability, normal current, and low temperature rise during operation. This makes it ideal for use in harsh environments and operation under high current and temperature. The inductor is also suitable for use in communications equipment, computer systems, digital audio/video, consumer electronics, automotive electronics, and other electronic products that require high frequency inductors.Working PrincipleAn inductor is a passive electrical circuit element composed of a coil of wire. An inductor functions by storing energy in a magnetic field as current passes through it. As the current through the inductor changes, the time-varying magnetic field generates a voltage across the inductor’s terminals. The amount of current through the inductor is determined by the relation between the inductance of the component and the changing current flow.The IHLP4040DZER6R8M8A has an anisotropic ferrite core that is shaped into a rectangular form with uniform diameter, producing a high magnetic field saturation that allows it to function as an inductor in high frequency circuits. The metal frame around the ferrite core prevents any displacement of the core, ensuring that the inductor achieves its rated inductance.The anisotropic ferrite core has high permeability making it easy for the IHLP4040DZER6R8M8A to store energy. This core is responsible for providing the inductor with the required inductance and reducing the DCR. The inductor is also shielded to secure improved current carrying capacity and reduce the interference caused by the inductor. The design of the inductor has a truncated power plane that allows the component to reduce noise and provide better EMI/RFI performance.The IHLP4040DZER6R8M8A features an excellent temperature coefficient of 0.2% which allows the inductor to maintain its rated inductance over a wide operating temperature range. It also has a high current carrying capacity, which allows it to operate safely under high peak current. The inductor also has a good reliability and safety performance due to its flame-retardant exterior material and the double-sided patterned terminal design of its solder layer.ConclusionThe IHLP4040DZER6R8M8A is a fixed inductor designed for high frequency through-hole applications where size is a factor. The component has a high-Q ferrite core, and a good temperature and radiation performance. The inductor has an anisotropic ferrite core that is shielded and has a high magnetic field saturation, providing excellent inductance and reducing the DCR. The IHLP4040DZER6R8M8A is suitable for use in communications equipment, computer systems, digital audio/video, consumer electronics, automotive electronics, and other electronic devices that require high frequency inductors. It also has a high current carrying capacity, and an excellent temperature coefficient.

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