SRN4012TA SRN4012TA Automotive Grade Inductors

SRN4012TA is a series of high-performance Automotive Grade Inductors manufactured by Bourns, a global leader in electronic components. These inductors are designed to meet the stringent requirements of automotive electronics, providing reliable energy storage and filtering in a compact form factor. As a crucial passive component, inductors like the SRN4012TA play a vital role in various circuits by storing energy in a magnetic field when current flows through them, and then releasing it back into the circuit. This function is essential for power conversion, filtering noise, and ensuring stable operation in demanding automotive environments.

Key Specifications

Each attribute of the SRN4012TA series is meticulously engineered to deliver optimal performance. The ‘Size’ of 4 x 4 x 1.2 mm indicates a highly compact footprint, which is critical for modern automotive applications where space is at a premium. This small size allows for integration into densely packed electronic control units (ECUs) and other modules without compromising performance. The ‘Current Range’ of 0.62 – 3.2 A specifies the operational current capabilities, meaning these inductors can handle a wide spectrum of current levels encountered in automotive power management and signal processing circuits. This versatility ensures they can be used in various applications, from low-power sensors to higher-power infotainment systems. The ‘Component Type’ explicitly states ‘Automotive Grade Inductors,’ signifying that these components are qualified to AEC-Q200 standards, ensuring their robustness and reliability under harsh automotive conditions such as extreme temperatures, vibrations, and humidity. Finally, the ‘Inductance Range’ of 0.47 – 22 µH provides a broad selection of inductance values, allowing designers to choose the precise component needed for specific filtering, energy storage, or resonant circuit requirements, offering flexibility for diverse circuit designs.

Features and Benefits

• AEC-Q200 Qualified: Ensures high reliability and performance in demanding automotive environments, meeting industry standards for temperature, vibration, and humidity.
• Compact Footprint: The small 4 x 4 x 1.2 mm size enables space-saving designs, crucial for modern automotive electronics where miniaturization is key.
• Wide Inductance Range: Offers flexibility with values from 0.47 to 22 µH, allowing for precise tuning in various power conversion and filtering applications.
• High Current Handling: Capable of managing currents from 0.62 to 3.2 A, making them suitable for a broad spectrum of automotive power circuits.
• Low Profile Design: The minimal height of 1.2 mm is ideal for applications with strict height restrictions, contributing to overall system compactness.

Typical Applications

The SRN4012TA series of inductors finds extensive use across numerous automotive applications due to their robust design and reliable performance. They are frequently employed in DC-DC converters within infotainment systems, ensuring stable power supply to sensitive audio and visual components, thereby enhancing user experience. In LED lighting modules, these inductors are critical for current regulation, contributing to the longevity and consistent brightness of automotive lighting, including headlights, taillights, and interior illumination. Furthermore, they are indispensable in various Engine Control Units (ECUs) and Advanced Driver-Assistance Systems (ADAS), where they perform vital filtering functions, suppressing electromagnetic interference (EMI) and ensuring the integrity of critical sensor signals and control commands. Their use extends to electric power steering (EPS) systems, where they help manage power delivery to the motor, contributing to smooth and responsive steering. Lastly, in battery management systems (BMS), these inductors assist in efficient power conversion and filtering, optimizing battery performance and extending its lifespan in electric and hybrid vehicles.

Summary

The Bourns SRN4012TA series represents a superior choice for automotive-grade inductor requirements, offering a blend of compact size, robust performance, and a wide range of specifications. Its AEC-Q200 qualification underscores its suitability for the most demanding automotive applications. Cirkit Electro Components, Mumbai, proudly stocks and ships the SRN4012TA across India, ensuring prompt availability for your critical projects.

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