DC Resistance (DCR):	0.39 mOhm Max
Height - Seated (Max):	0.130" (3.30mm)
Size / Dimension:	0.276" L x 0.250" W (7.01mm x 6.35mm)
Supplier Device Package:	--
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Inductance Frequency - Test:	100kHz
Operating Temperature:	-40°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	--
Q @ Freq:	--
Series:	HM69
Shielding:	Shielded
Current - Saturation:	--
Current Rating:	28A
Tolerance:	±20%
Inductance:	100nH
Material - Core:	--
Type:	--
Part Status:	Discontinued at Digi-Key
Packaging:	Tape & Reel (TR)

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Fixed Inductors

Fixed inductors are electrical components which use wire wound around a conducting core to store energy in the magnetic field. Their function is to create a magnetic flux when current passes through them. The amount of inductance a fixed inductor has is dependent on its physical geometry (amount of wire, number of turns, size and shape of the core). This type of inductor is used in many types of electronic circuits, most commonly in power supplies and frequency-dependent circuit applications.The HM69-40R10LFTR13 is a ferrite core-based, high voltage, 10-turns, P30 type fixed inductor with a maximum rated voltage of 400V. This component is suitable for a wide range of applications, including automotive systems, power supplies, medical equipment, and industrial control systems. It is mainly used in high frequency applications such as DC-DC converters, LED lighting, and inverters for solar and wind energy systems.The working principle of this type of inductor can be explained by Faraday’s Law of Electromagnetic Induction. When a conductor is passed through a magnetic field, the changing magnetic flux generates a current in the conductor. This current is known as induced current. In the case of HM69-40R10LFTR13, when an AC voltage is applied across the fixed inductor, the magnetic field lines surrounding the core are disrupted and the mutual inductance between the winding and the core decreases. This decrease in mutual inductance leads to a change in the flow of current in the winding. The magnitude of the induced current depends on the frequency of the applied AC voltage and the number of turns on the core. The HM69-40R10LFTR13 is designed to provide superior high frequency performance and low core losses across a wide range of applications. It features an operating temperature range from -40°C to +105°C and a minimum inductance of 40mH. This component should be operated within its safe ratings to ensure its reliability. It is also recommended that special attention be given to thermal management when mounted on a PCB to avoid potential damage to the core due to overheating.In conclusion, the HM69-40R10LFTR13 is a high voltage, 10-turns, ferrite core-based fixed inductor suitable for a wide range of applications. Its working principle is based on Faraday’s Law of Electromagnetic Induction, in which it generates an induced current when an AC voltage is applied across it. To ensure its reliability, the component should be operated within its safe ratings and proper thermal management should be taken into consideration when mounting it on a PCB.

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