ER1537-03JM

DC Resistance (DCR):	90 mOhm Max
Height - Seated (Max):	--
Size / Dimension:	0.156" Dia x 0.375" L (3.96mm x 9.53mm)
Supplier Device Package:	--
Package / Case:	Axial
Mounting Type:	Through Hole
Inductance Frequency - Test:	25MHz
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Frequency - Self Resonant:	360MHz
Q @ Freq:	45 @ 25MHz
Series:	ER1537
Shielding:	Unshielded
Current - Saturation:	--
Current Rating:	1.4A
Tolerance:	±5%
Inductance:	270nH
Material - Core:	Phenolic
Type:	Molded
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Fixed InductorsA fixed inductor is an electrical component that stores energy in the form of a magnetic field within its coils. The ER1537-03JM is a 25uH inductor in an axially leaded EFD (External Formed Device) package. It is a high performance dual interleaved, high current inductor with an inductance stability of ± 15% tolerance.The ER1537-03JM inductor is a fixed inductor used in switching power supplies for a variety of different applications, such as notebook computers, digital cameras, LCDs, PCs, and cell phones. Furthermore, they are good for low-noise output filters and dc-to-dc converter in power conditioning applications.In terms of construction, the ER1537-03JM is manufactured using high effective stacked cores. It is made up of a ferrite core with enameled copper wiring. The wire is wound in an axial direction, with two external winding layers forming a double interleave. The copper windings are terminated with resin deposited onto the windings, thus allowing for improved temperature stability.The working principle of the ER1537-03JM fixed inductor is based on Faraday’s law of induction. When electric current passes through the inductor’s winding, a magnetic flux is generated. This magnetic flux accumulated in the core, thus creating a magnetic field. As the rate of change in current through the coils increases, the magnetic flux increases, and so does the magnetic field. This generated flux will then induce a voltage in the opposite direction of the current flow, thereby resulting in the storage of energy in the form of a magnetic field. In terms of performance, the ER1537-03JM inductor has a maximum DC current rating of 56A, a maximum saturated DC resistance of 93.7mOhm, and a minimum inductance of 20uH. The inductor has a high-temperature rise capability, with an operating temperature range between -40℃ to +125℃. It is fully compliant with RoHS (Restriction of Hazardous Substance) which is an important advantage from an environmental standpoint.Finally, the ER1537-03JM fixed inductor has good reliability characteristics. It has a reliability test voltage of 95V AC for 5 seconds at 25℃ and 200V AC for 5 seconds at 85℃. The inductor also has high shock and vibration resistance.In conclusion, the ER1537-03JM fixed inductor is an ideal choice for a wide range of applications. It offers high power density, high efficiency, good reliability, and excellent temperature stability. The inductor is available in a wide variety of shapes and sizes to suit different applications. Furthermore, its RoHS compliance make it a great environmental choice.

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