SPM3020T-4R7M-CA

Series:	SPM-CA
Packaging:	Bulk
Part Status:	Not For New Designs
Type:	Wirewound
Material - Core:	Iron Powder
Inductance:	4.7µH
Tolerance:	±20%
Current Rating:	1.9A
Current - Saturation:	2.2A
Shielding:	Shielded
DC Resistance (DCR):	173 mOhm Max
Q @ Freq:	--
Frequency - Self Resonant:	--
Ratings:	--
Operating Temperature:	-40°C ~ 125°C
Inductance Frequency - Test:	100kHz
Mounting Type:	Surface Mount
Package / Case:	Nonstandard
Supplier Device Package:	--
Size / Dimension:	0.126" L x 0.118" W (3.20mm x 3.00mm)
Height - Seated (Max):	0.079" (2.00mm)

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Fixed inductors are components that do not change in a circuit over time; they can be used to store and preserve electrical energy for later use. The SPM3020T-4R7M-CA is a specific type of fixed inductor with a wide range of applications and features that make it suitable for a variety of projects.Classified as a “Through-Hole” type device, the SPM3020T-4R7M-CA has two pins, which connect directly to a PCB. Typically these inductors are used in applications like AC/DC power supply circuits or switching power supplies, as well as other electronics projects and circuits that require a fixed component with stable performance.This particular model is an “axial” type and features a high SRF (“self-resonance frequency”) of over 6GHz (6,350MHz). This allows it to work across high frequency applications without disturbing the signal. The SPM3020T-4R7M-CA is also designed to be “thermally stable”, meaning the inductance value remains consistent, even when subjected to high temperatures. The device also features an impressive inductance value of 4.7µH at an applied frequency of 100kHz.The SPM3020T-4R7M-CA is a vital part of the switching power supplies that are used in industrial equipment, such as medical imaging machines, telecommunications systems and industrial robots, as well as in consumer applications like hand-held devices, computers and video game consoles.The device works on the principle of “inductance”, which is a type of electrical property that occurs when a current passing through a wire creates a small opposing magnetic field. This magnetic field “induces” a current in a nearby conductor, creating an electrical inductance, which then resists any changes in the current or voltage. In this way, it serves as a stabilizing device that prevents fluctuations in the current or voltage.The SPM3020T-4R7M-CA features an improved current carrying capacity of 1.5 Amps (at 85°C). This makes it an ideal choice for a wide range of high-powered applications, as its increased current carrying capacity makes it capable of handling higher currents with minimal losses.In summary, the SPM3020T-4R7M-CA is a type of fixed inductor that is suitable for a wide variety of application fields, ranging from industrial equipment to hand-held devices. It features a high SRF, thermal stability and an improved current carrying capacity to handle higher currents without experiencing losses. Its reliable and stable performance makes it an indispensable component in the construction of circuits. Its performance is based on the principle of inductance, which enables it to resist changes in current or voltage and preserve stability.

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