The SP0201B-ULC-01UTG is a high-performance Transient Voltage Suppressor (TVS) diode manufactured by Hamlin/Littelfuse, designed to provide robust circuit protection in space-constrained electronic applications. This surface-mount device belongs to the circuit protection category and specifically functions as a unidirectional Zener-type TVS diode that safeguards sensitive electronic components from voltage transients and electrostatic discharge (ESD) events.
The product addresses critical design challenges in modern electronics where miniaturization demands increasingly smaller protection components without compromising performance. Its ultra-compact 0201 package (0603 metric equivalent) represents one of the smallest available form factors for TVS diodes, making it ideal for high-density circuit board layouts where space is at a premium. The device effectively manages the trade-off between size constraints and protection capability, delivering reliable surge protection in applications where traditional larger components would be impractical.
Key specifications include a working voltage of 7V maximum, breakdown voltage of 8.8V typical, and clamping voltage of 13V typical at peak pulse current. The device can handle peak pulse currents of 2.5A under 8/20μs waveform conditions, providing substantial protection capability despite its diminutive size. Operating across a temperature range of -30°C to 85°C, it maintains consistent performance in various environmental conditions. The extremely low capacitance of 0.3pF at 3GHz makes it particularly suitable for high-frequency applications where signal integrity is paramount.
Primary advantages include exceptional space efficiency, minimal signal loading due to ultra-low capacitance, fast response time characteristic of TVS diodes, and reliable protection against voltage spikes and ESD events. The single bidirectional channel configuration simplifies implementation while the surface-mount design enables automated assembly processes. The device's RoHS3 compliance ensures environmental responsibility and regulatory adherence.
Compatibility extends across a wide range of electronic systems operating at or below the device's voltage ratings, particularly those requiring high-frequency performance and minimal parasitic effects. The 0201 package is compatible with standard surface-mount assembly equipment and processes, though it requires precise placement capabilities due to its small size.
Primary application areas encompass general-purpose circuit protection in smartphones, tablets, wearable devices, IoT sensors, high-speed digital interfaces, RF circuits, portable medical devices, and other space-critical electronic systems. The device is particularly valuable in protecting sensitive integrated circuits, microprocessors, and communication interfaces from transient voltage events that could cause permanent damage or operational disruption.
Equivalent models and alternatives include various manufacturers' offerings in similar package sizes and voltage ranges. Direct equivalents might include Vishay's VESD series in 0201 packages, Nexperia's PESD series ultra-small TVS diodes, ON Semiconductor's ESD protection devices in comparable form factors, and Bourns' ultra-low capacitance TVS arrays. Alternative approaches could involve using larger package TVS diodes such as 0402 or 0603 sizes from the same SPA series or competing manufacturers like Texas Instruments, Infineon, or STMicroelectronics, though these would sacrifice the space-saving advantages. Multi-channel protection arrays from manufacturers like Semtech or Maxim could provide protection for multiple lines in a single component, while discrete protection schemes using multiple components might offer customized protection levels at the cost of increased board space and complexity.
SP0201B-ULC-01UTG (1)
SP0201B-ULC-01UTG Key Technical Attributes
Manufacturer: Hamlin / Littelfuse
Manufacturer Part Number: SP0201B-ULC-01UTG
Category: TVS Diode — Transient Voltage Suppressors
SP0201B-ULC-01UTG Packing Size
This product utilizes an ultra-compact 0201 (0603 metric) surface mount package, specifically designed for space-constrained PCB layouts. The packaging is Tape & Reel (TR), supporting efficient automated placement during high-volume manufacture. The package is made of robust materials to ensure optimal thermal management and minimal electrical resistance. The pin configuration accommodates single bidirectional channel operation, ensuring effective integration into modern circuit designs. Thermal characteristics allow safe operation between -30°C to +85°C, supporting both reliability and longevity.
SP0201B-ULC-01UTG Application
The SP0201B-ULC-01UTG is intended primarily for general purpose transient suppression applications, safeguarding sensitive electronic circuits from voltage spikes and electrostatic discharge. It is suitable for consumer electronics, communication devices, industrial instrumentation, and any application where miniature, surface-mount voltage protection is required.
SP0201B-ULC-01UTG Features
The TVS diode offers a reverse standoff voltage of 7V (max), breakdown voltage of 8.8V (typ), and a clamping voltage of 13V (typ) under peak pulse conditions. It supports peak pulse currents of up to 2.5A for surge events (tested at 8/20μs pulse). The exceptionally low capacitance of 0.3pF at 3GHz makes it ideal for high-speed data lines and RF applications, ensuring minimal signal distortion. Its single bidirectional channel ensures effective protection for lines susceptible to both positive and negative transients. The Zener-type construction delivers rapid response times and robust suppression against a wide spectrum of electrostatic and electrical disturbances.
SP0201B-ULC-01UTG Quality and Safety Features
This TVS diode complies with RoHS3 standards, indicating the absence of hazardous substances and supporting environmental responsibility. The device’s performance is validated through rigorous manufacturer testing for pulse durability, breakdown characteristics, and thermal stability, offering a high measure of reliability and safety in mission-critical applications.
SP0201B-ULC-01UTG Compatibility
The SP0201B-ULC-01UTG is compatible with SMT assembly lines and suits systems where 0201 (0603 metric) package footprints are preferred. It matches a broad range of circuit protection requirements for low-voltage, high-frequency data lines, and is commonly implemented in designs needing ultra-low capacitance and bidirectional transient suppression.
SP0201B-ULC-01UTG Datasheet PDF
Our website provides the most authoritative and up-to-date datasheet for the SP0201B-ULC-01UTG. The datasheet contains comprehensive design specifications, electrical characteristics, recommended application circuits, and in-depth reliability data. We highly encourage customers to download the official datasheet from this product page to ensure optimal design integration and performance validation.
Quality Distributor
IC-Components is a premium and trusted distributor of Hamlin / Littelfuse products, offering guaranteed original components and robust global supply channels. Customers are invited to request a quote on our website for the SP0201B-ULC-01UTG, leveraging our expertise and direct manufacturer relationships to ensure competitive pricing, fast delivery, and full certification support. Choose IC-Components for confidence, reliability, and superior service.
