The SP3030-01ETG is a specialized transient voltage suppressor (TVS) diode manufactured by Hamlin/Littelfuse, designed specifically for automotive circuit protection applications. This surface-mount device addresses the critical design challenge of protecting sensitive electronic circuits from voltage transients and electrostatic discharge (ESD) events that are common in harsh automotive environments.
This TVS diode operates as a Zener-type suppressor with a reverse standoff voltage of 5V maximum and provides clamping protection at 10V typical when subjected to peak pulse currents. The device can handle peak pulse currents of 2A under 8/20μs waveform conditions, making it suitable for protecting low-voltage automotive circuits from transient overvoltage conditions. Its ultra-low capacitance of 0.5pF at 1MHz ensures minimal signal integrity impact in high-frequency applications, while the single unidirectional channel configuration provides targeted protection for specific circuit nodes.
The compact SOD-882 package represents an advanced miniaturization solution, enabling integration into space-constrained automotive electronic modules while maintaining robust protection capabilities. This surface-mount design facilitates automated assembly processes and provides excellent thermal performance across the specified operating temperature range of -40°C to 125°C junction temperature, which is essential for automotive applications experiencing extreme environmental conditions.
Key technical specifications include RoHS3 compliance ensuring environmental responsibility, AEC-Q101 automotive qualification demonstrating reliability under automotive stress conditions, and availability in tape and reel packaging for high-volume manufacturing. The device belongs to the SP3030 series within Hamlin/Littelfuse's automotive protection portfolio, specifically engineered to meet the stringent requirements of modern vehicle electronics including infotainment systems, engine control units, sensor interfaces, and communication networks.
Primary advantages include exceptional miniaturization without compromising protection performance, automotive-grade reliability qualification, ultra-low capacitance for high-speed signal protection, wide operating temperature range, and compatibility with standard surface-mount assembly processes. The device's fast response time and precise clamping characteristics make it ideal for protecting microprocessors, communication interfaces, sensor circuits, and other voltage-sensitive components in automotive applications.
Equivalent and alternative models in the market include the Nexperia PESD5V0S1UB in SOD-882 package offering similar 5V standoff voltage and low capacitance characteristics, STMicroelectronics ESDA5V1SC6 providing comparable automotive-grade ESD protection, Vishay VBUS05L1-HM3-08 with similar voltage ratings and package options, Bourns CD0603-S01575 offering alternative package sizing, and Infineon ESD5V3U1U-02L providing slightly different voltage characteristics. Additional alternatives include Diodes Incorporated DESD5V0P1U-7B, ON Semiconductor ESD5V0D1B-7B, Rohm ESC5V0D1-HRB, Toshiba DF2S6.8FS, and Panasonic DB2J316K0L, each offering varying combinations of voltage ratings, package options, and capacitance values to suit different automotive protection requirements while maintaining similar core functionality and automotive qualification standards.
SP3030-01ETG (1)
SP3030-01ETG Key Technical Attributes
Voltage – Reverse Standoff (Typ): 5V (Max)
Current – Peak Pulse (8/20s): 2A
SP3030-01ETG Packing Size
This product adopts the compact and efficient SOD-882 package, which is well-suited for high-density circuit layouts. The package type is Tape & Reel (TR) for streamlined automated assembly, ensuring minimal manual intervention and efficient bulk handling. The SOD-882 casing is made from materials compliant with RoHS3 for enhanced environmental safety, supporting lead-free manufacturing processes. The pin configuration is optimized for single-channel, unidirectional protection and supports robust thermal dissipation suitable for extended automotive operation.
SP3030-01ETG Application
The SP3030-01ETG TVS diode is engineered specifically for automotive environments, adhering to the stringent AEC-Q101 standard for automotive reliability. Its core function is to protect sensitive electronic circuits against transient voltage spikes, with deployment in vulnerable areas exposed to electrostatic discharge (ESD), inductive load switching, and related pulse disturbances. It is ideal for safeguarding automotive infotainment systems, advanced driver-assistance modules, and other on-board ECUs.
SP3030-01ETG Features
The SP3030-01ETG offers ultra-low capacitance at 0.5pF (@1MHz), minimizing signal degradation and ensuring high-frequency integrity for sensitive data and communication lines. The diode features a maximum clamping voltage of 10V (Typ), quickly suppressing high-energy transients without impacting normal circuit operation. Its unidirectional channel supports a maximum reverse standoff voltage of 5V, and it delivers fast response times critical for precision automotive protection. The device operates reliably within a wide temperature range (-40°C ~ 125°C TJ), making it robust for use in harsh automotive conditions. RoHS3 compliance guarantees environmentally conscious production and supports green manufacturing initiatives. The Zener-type TVS structure provides efficient transient suppression suitable for high-speed electronic interfaces, and the package design ensures it occupies minimal PCB footprint while maintaining protection efficiency.
SP3030-01ETG Quality and Safety Features
Automotive grade with AEC-Q101 qualification signifies high-quality assurance, traceability, and tested longevity under rigorous environmental and electrical stress scenarios. The SP3030-01ETG integrates essential safety mechanisms including over-voltage safeguarding and rapid response to prevent ESD or voltage surge-related failures. Littelfuse’s manufacturing standards assure consistent performance and adherence to international safety norms, with the use of RoHS3 compliant materials further ensuring device safety and eco-friendly disposal.
SP3030-01ETG Compatibility
Engineered for automotive systems, this TVS diode is compatible with a diverse range of automotive ICs and circuit boards requiring transient protection at and below 5V operating voltages. It supports seamless integration into infotainment, telematics, communications, and control units where minimal capacitance and surface-mount package requirements are critical. The SOD-882 footprint supports standard automated assembly, making it easily compatible with existing manufacturing processes.
SP3030-01ETG Datasheet PDF
For the most technical and authoritative information regarding the SP3030-01ETG, including precise electrical, environmental, and mechanical specifications, please download the official datasheet directly from our website. Our page hosts the latest and most trustworthy documentation provided by Hamlin / Littelfuse, ensuring you get accurate, up-to-date product details for engineering and procurement purposes.
Quality Distributor
IC-Components is proud to be your premium distributor for Hamlin / Littelfuse products. We guarantee genuine and quality-assured SP3030-01ETG TVS diodes with extensive stock and fast worldwide shipping. Leverage our trusted platform for seamless procurement and competitive pricing. Visit our website today to request a quote and experience industry-leading service for your automotive protection solutions!





