PM7032S-102M

DC Resistance (DCR):	5.74 Ohm Max
Height - Seated (Max):	0.134" (3.40mm)
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:	1kHz
Operating Temperature:	-20°C ~ 85°C
Ratings:	--
Frequency - Self Resonant:	--
Q @ Freq:	--
Series:	PM7032S
Shielding:	Shielded
Current - Saturation:	130mA
Current Rating:	130mA
Tolerance:	±20%
Inductance:	1mH
Material - Core:	Ferrite
Type:	Wirewound
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Fixed Inductors

Inductors are electronic components used to store energy in the form of an electromagnetic field. They are typically composed of a wire or coil of wire wound around a magnetic core. Fixed inductors are in the category of components that have a fixed value for their inductance rating. The PM7032S-102M is an example of a fixed inductor.

PM7032S-102M is a surface-mount magnetic-based inductor designed for high-current, low- profile applications. It contains a high-permeability ferrite-core material with outer magnetic shields, allowing in-package self-inductance dampening and a low-resonant frequency of 5MHz. The inductance value is rated at 100μH with ±10% tolerance. In addition, a wide range of inductance values with tight tolerance is available from 30μH to 500μH. This makes the PM7032S-102M ideal for high-frequency applications such as DC-DC converters, switch mode power supplies, and high-performance power conditioning.

The working principle of the PM7032S-102M is based on Faraday’s law of induction, which states that when a current passes through an inductor, a counter-acting electric field is induced in the opposite direction. This back-EMF opposes the increase of current in the inductor and therefore limits the rise in current. The magnitude of this counter EMF is proportional to the change in current and dictated by the inductance value. The PM7032S-102M has a high inductance value of 100μH, which translates to a high counter EMF limiting the magnitude of the current. This makes the PM7032S-102M ideal for high-current applications.

In addition to the high-inductance value, the PM7032S-102M provides high heat dissipation without requiring an external heat sink. This is achieved by the use of a conductive base material in the package that assures a low thermal resistance path to external heat sinks. Another advantage of the PM7032S-102M is the low profile package, which is made possible by the combination of the outer magnetic shields and high inductance value. This makes the device ideal for height-restricted applications.The PM7032S-102M has a wide range of applications including regulating DC-voltage in power supplies, for voltage stabilization in switch-mode power supplies, as well as for DC-DC converters. In battery-powered applications, they can be used as part of the charge circuit of batteries to reduce output voltage ripple. The PM7032S-102M also finds applications in RF and communications applications for filter, impedance matching, and transformer networks.

In conclusion, the PM7032S-102M is an ideal choice for high-current, low-profile applications requiring high inductance values and superior heat dissipation. With its wide range of inductance values and tight tolerance, it is well suited for high-frequency applications such as DC-DC converters, switch mode power supplies, and high-performance power conditioning. It is suitable for a variety of applications including regulating DC-voltage in power supplies, for voltage stabilization in switch-mode power supplies, as well as for RF and communications needs.

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