The SP3025-04HTG is a specialized transient voltage suppressor (TVS) diode array manufactured by Hamlin/Littelfuse, designed to provide robust circuit protection in compact electronic applications. This surface-mount device falls within the circuit protection category and specifically addresses the critical design challenge of protecting sensitive electronic circuits from voltage transients and electrostatic discharge (ESD) events that can cause permanent damage to semiconductor components.
This TVS diode array features a 2.5V reverse standoff voltage with a Zener-type configuration, incorporating four unidirectional channels within a single SOT-23-6L package measuring just 2.9mm x 1.6mm. The device operates across a wide temperature range from -40°C to 125°C, making it suitable for demanding environmental conditions. Key electrical specifications include a minimum breakdown voltage of 5.5V, maximum clamping voltage of 11V, and impressive peak pulse current handling capability of 30A (8/20μs waveform), while maintaining low capacitance of 2.5pF at 1MHz to minimize signal integrity impact.
The compact SOT-23-6L surface-mount package addresses space constraints in modern electronic designs while providing reliable protection for multiple signal lines simultaneously. This multi-channel approach reduces component count and board space requirements compared to discrete protection solutions. The device's low capacitance characteristic ensures minimal signal degradation, making it particularly well-suited for high-speed data applications where maintaining signal integrity is crucial.
Primary advantages include excellent transient suppression performance, space-efficient multi-channel protection, wide operating temperature range, and RoHS3 compliance for environmental responsibility. The device offers fast response times typical of TVS diodes, providing immediate protection against voltage spikes and surges. Its surface-mount configuration enables automated assembly processes and supports high-density circuit board layouts.
The SP3025-04HTG demonstrates broad compatibility with various circuit topologies and is specifically optimized for Ethernet applications, where it protects against common-mode and differential-mode transients on data lines. The device integrates seamlessly with standard PCB manufacturing processes and is supplied in tape and reel packaging for high-volume production environments.
Application areas encompass Ethernet interfaces, high-speed data communication systems, industrial automation equipment, automotive electronics, telecommunications infrastructure, and consumer electronics requiring multi-line ESD protection. The device proves particularly valuable in applications where multiple signal lines require protection within space-constrained designs, such as portable devices, networking equipment, and embedded systems.
Equivalent models and alternatives include the SP3025-04UTG offering similar specifications in different packaging options, Nexperia's PESD5V0S4UF providing comparable 5V protection levels, Bourns' CDSOT23-SM712 series for similar applications, Vishay's VBUS05L1-HM3 for USB applications, and STMicroelectronics' ESDA25P35 series offering equivalent protection levels. Texas Instruments' TPD4E05U06 provides similar quad-channel protection, while ON Semiconductor's ESD9B5.0ST5G offers alternative packaging options. Diodes Incorporated's PESD5V0V4UF and Infineon's ESD224-B1-02ETL represent additional equivalent solutions, each offering slight variations in electrical characteristics, packaging, or cost optimization for specific application requirements.
SP3025-04HTG (1)
SP3025-04HTG Key Technical Attributes
Main Category: Circuit Protection
Small Classification: TVS Diode Array
Unidirectional Channels: 4
SP3025-04HTG Packing Size
The SP3025-04HTG uses the compact SOT-23-6L package, a six-lead surface-mount configuration known for its minimal footprint and efficient layout on PCBs. This package is supplied in Tape & Reel (TR) form, which is ideal for automated high-volume assembly processes. Its housing ensures excellent solderability and thermal dissipation, supporting an operating temperature range from -40°C to 125°C and providing reliable electrical isolation between channels. The pin configuration specifically enables straightforward integration into Ethernet and similar data line applications.
SP3025-04HTG Application
This model is engineered for Ethernet applications, delivering robust transient voltage suppression to protect sensitive data transmission lines from electrostatic discharge and other surge events. It's also commonly recommended for high-speed communication interfaces where safeguarding IC inputs from voltage spikes is critical.
SP3025-04HTG Features
The SP3025-04HTG features a 2.5V reverse standoff voltage and a minimum breakdown voltage of 5.5V, with a maximum clamping voltage of 11V at 30A peak pulse current (defined for 8/20μs waveforms). Its low capacitance value of 2.5pF @ 1MHz ensures data integrity and high-speed performance, making it particularly suitable for high-frequency signal environments. The device incorporates four independent unidirectional protection channels. It has Zener-type TVS diode architecture for precise protection response. The model complies with RoHS3 standards, indicating it's free from hazardous substances and is environmentally safe. No power line protection is featured, focusing the design on signal line and Ethernet applications. The series includes SPA technology, which enhances response time and device reliability.
SP3025-04HTG Quality and Safety Features
As a RoHS3 compliant device, the SP3025-04HTG meets strict global safety and environmental standards. Its high peak current rating and wide operating temperature range ensure dependable function in dynamic environments. The robust package and carefully engineered channel isolation guarantee consistent protection and durability even in harsh conditions.
SP3025-04HTG Compatibility
This TVS diode array is highly compatible with surface mount manufacturing technologies and common communication protocols, especially those deployed in Ethernet and high-speed data line protection. Its SOT-23-6L layout supports drop-in integration with modern PCB designs.
SP3025-04HTG Datasheet PDF
Our website offers the most authoritative datasheet for the SP3025-04HTG model. Downloading the datasheet available on this page is strongly recommended for access to comprehensive specifications and design guidelines—ensure your engineers have the latest and most accurate information.
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