SRP7028AA SRP7028AA Automotive Grade Inductors

SRP7028AA is a series of high-performance Automotive Grade Inductors manufactured by Bourns, a leading global supplier of electronic components. These inductors are specifically designed to meet the rigorous demands of automotive electronics, offering exceptional reliability, efficiency, and robustness in harsh operating environments. As crucial passive components, inductors like the SRP7028AA play a vital role in power conversion, filtering, and energy storage within various automotive systems, ensuring stable and efficient operation of critical electronic circuits. Their advanced construction and materials make them suitable for applications where high current handling and stable inductance are paramount.

Key Specifications

Each attribute of the SRP7028AA series contributes to its superior performance in automotive applications. The **Size** of 7.1 x 6.6 x 2.8 mm indicates a compact footprint, which is essential for modern automotive designs where space is often at a premium. This small form factor allows engineers to integrate these inductors into densely packed PCBs without compromising performance. The **Current Range** of 2.5 – 30 A highlights the versatility and robust design of these inductors. This wide range means they can handle significant current loads, making them suitable for a variety of power management applications, from low-power control circuits to high-power DC-DC converters in electric vehicles. The classification as **Component Type: Automotive Grade Inductors** is a critical distinction, signifying that these components have undergone stringent testing and qualification processes to meet the AEC-Q200 standard, ensuring their reliability and performance under the extreme temperatures, vibrations, and electrical stresses common in automotive environments. Finally, the **Inductance Range** of 0.15 – 22 µH provides a broad spectrum of inductance values, allowing designers to select the precise inductance required for specific filtering, energy storage, or resonant circuit applications, optimizing circuit performance and efficiency.

Features and Benefits

• **AEC-Q200 Qualified:** Guarantees high reliability and performance under the demanding conditions of automotive applications, including extreme temperatures, mechanical shock, and vibration.
• **High Current Handling Capability:** The wide current range (2.5 – 30 A) allows these inductors to support various power conversion and filtering tasks, reducing the need for multiple component types.
• **Compact Footprint:** With dimensions of 7.1 x 6.6 x 2.8 mm, the SRP7028AA series enables space-saving designs, crucial for modern, miniaturized automotive electronic modules.
• **Shielded Construction:** Minimizes electromagnetic interference (EMI) and crosstalk, ensuring clean power delivery and signal integrity in sensitive automotive systems.
• **Wide Inductance Range:** Offers flexibility to designers with values from 0.15 to 22 µH, accommodating diverse circuit requirements for filtering, energy storage, and impedance matching.
• **Low DC Resistance:** Contributes to higher efficiency by minimizing power losses, which is vital for optimizing battery life and reducing heat generation in automotive electronics.

Typical Applications

These Bourns SRP7028AA Automotive Grade Inductors are indispensable in a multitude of automotive electronic systems due to their robust design and high performance:

• **Automotive DC/DC Converters:** Essential for efficient power conversion in various vehicle systems, including infotainment, ADAS (Advanced Driver-Assistance Systems), and engine control units, where stable voltage regulation is critical.
• **LED Lighting Systems:** Used in buck/boost converters for automotive LED headlights, taillights, and interior lighting, ensuring consistent current supply and optimal light output despite varying input voltages.
• **Engine Control Units (ECUs):** Integral for power filtering and energy storage in ECUs, which manage critical engine functions, ensuring reliable operation under the harsh under-hood environment.
• **Infotainment and Navigation Systems:** Provide stable power rails and filter out noise, contributing to the clear audio and video performance of in-car entertainment and navigation units.
• **Electric Power Steering (EPS):** Employed in the power management circuits of EPS systems, where high current handling and reliability are crucial for safety and performance.
• **Advanced Driver-Assistance Systems (ADAS):** Support the power integrity of ADAS modules like radar, lidar, and camera systems, which require precise and stable power for accurate data processing and safety functions.

In summary, the SRP7028AA series from Bourns represents a robust and reliable solution for demanding automotive electronic applications. Its AEC-Q200 qualification, wide current and inductance ranges, and compact size make it an ideal choice for engineers seeking high-performance passive components. These inductors are stocked and shipped across India by Cirkit Electro Components, Mumbai, ensuring prompt availability for your projects.

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