SPM3015T-3R3M-CA02

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Fixed inductors are passive components that store energy through the conversion of magnetic fields. They are commonly used in power supplies, AC/DC motors and other low-power applications. As such, the SPM3015T-3R3M-CA02 is a fixed inductor, belonging to a family of products from STMicroelectronics.The device is, as its name suggests, a 3.3μH surface mount ceramic inductor. It features a maximum DC current rating of 3.3 A, tapped at 5.4 A, with a DC resistance of 0.2Ω. It also has a maximum inductance tolerance of ±30%. The device is designed for automotive applications, with a rated temperature range of -40° to +150°C, and is AEC-Q200-qualified with a halogen-free construction.The primary purpose of the SPM3015T-3R3M-CA02 is to provide regulation and control in automotive power systems, which require high precision and tight regulation over currents and voltages for applications such as power steering, lighting, climate control, and other systems. Consequently, it is designed with a tight inductance tolerance and low DC resistance, allowing for highly accurate regulation and control.In its operation, the SPM3015T-3R3M-CA02 works through the conversion of electric energy to magnetic energy, and vice versa. Whenever a voltage is applied to the inductor, it stores the energy in its magnetic field. An alternating current is then generated from the stored energy. The magnitude of this current is proportional to the applied voltage, the inductance of the inductor, and the rate of change of the magnetic field. By regulating these elements, the SPM3015T-3R3M-CA02 can be used to regulate voltage and current in applications such as inverters and power supplies.The SPM3015T-3R3M-CA02 is also designed to absorb power, which can be helpful in preventing electromagnetic interference (EMI). In this application, the inductor effectively absorbs the high-frequency interference and dissipates it as heat, therefore mitigating EMI.The SPM3015T-3R3M-CA02 is ideal for automotive power systems that require precise control and regulation over currents and voltages. It is designed to ensure maximum performance and regulation, along with superior noise immunity and heat dissipation. Additionally, the device is ideally suited for harsh, automotive environments, offering reliable performance in temperatures ranging from -40° to +150°C.

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