Product Overview

1N4148W-7-F is a high-performance surface-mount fast switching diode with a standard SOD-123 package, featuring core electrical parameters of 100V reverse voltage and 300mA forward continuous current, along with ultra-fast reverse recovery time of 4ns and extremely low junction capacitance of 2pF. Fully compliant with RoHS and halogen-free environmental standards, this product is compatible with automated SMT production lines. As a premium model in the 1N4148 series for high-frequency signal switching and fast rectification scenarios, it is widely used in communications, consumer electronics and industrial control fields.

Key Features

• Ultra-fast switching speed: Maximum reverse recovery time is only 4ns, meeting the fast on-off requirements of high-frequency circuits
• Extremely low junction capacitance: Maximum capacitance is only 2pF, effectively reducing signal loss and delay during high-frequency signal transmission
• Low forward voltage drop: Maximum forward voltage drop is 0.715V at 1mA current, reducing circuit conduction power consumption
• Environmental compliance: Lead-free design compliant with the full range of RoHS directives, and meeting the "green device" standards of halogen-free and antimony-free
• Highly adaptable package: Compact SOD123 surface-mount package, compatible with automated production lines and mainstream PCB pad designs

Technical Specifications

Typical Applications

• 1. Signal Switching in Communication Equipment : In high-frequency signal interface circuits of routers and switches, the 4ns ultra-fast switching speed and 2pF low capacitance of 1N4148W-7-F enable delay-free switching of high-frequency signals, while avoiding signal attenuation caused by capacitance, ensuring the accuracy and stability of communication data transmission and meeting the high-bandwidth requirements of communication equipment.
• 2. Voltage Clamping in Consumer Electronics : In key detection and touch signal conditioning circuits of mobile phones and tablets, this diode can be used as a voltage clamping component. Its low forward voltage drop can accurately limit the signal voltage range, and the compact SOD123 package can adapt to the tight internal layout of consumer electronics, improving device integration and reliability.
• 3. Fast Rectification in Industrial Control : In the pulse signal rectification circuit of industrial sensors, the fast switching capability of 1N4148W-7-F can adapt to the high-frequency pulse output of sensors. The wide operating temperature range of -55℃~150℃ can cope with extreme temperature fluctuations in industrial environments, ensuring accurate collection and conversion of control signals.
• 4. Auxiliary Circuits in Automotive Electronics : For non-automotive grade auxiliary signal circuits in automotive electronics (such as signal switching of in-vehicle entertainment systems), its environmental compliance and stable electrical performance can meet the requirements of complex electromagnetic environments in vehicles, and the surface-mount package is suitable for high-density design of automotive PCBs.
• 5. Protection Circuits in Instruments and Meters : In the input protection circuit of test instruments such as multimeters and oscilloscopes, this diode can be used as a fast limiting component. With its reverse voltage resistance and fast response characteristics, it can resist instantaneous overvoltage shocks and protect the precision circuits inside the instrument, and its low capacitance will not affect the accuracy of test signals.

Why Choose 1N4148W-7-F ?

• Outstanding high-frequency performance: 4ns reverse recovery time and 2pF low capacitance make it one of the best choices for high-frequency signal circuits
• Stable operation in wide temperature range: Operating temperature range of -55℃~150℃, suitable for complex working conditions such as automotive and industrial applications
• Strong production line adaptability: Standard SOD123 package is compatible with automated SMT processes, reducing production process difficulty
• Balance of cost and performance: While meeting high-performance parameters, it has excellent batch procurement cost performance, reducing the BOM cost of the whole machine
• Full environmental certification: Compliant with RoHS 3 and halogen-free standards, meeting the environmental access requirements of global markets

SUNTOP COMPANY INTRODUCTION

Founded in 2000, Suntop is one of the leading global distributors of electronic components, dedica ted to providing comprehensive procurement and supply chain services to the global electronics manufacturing industry. Our services include distribution, spot trading, PPV cost-saving projects, and inventory management. We not only offer high-quality products but also strive to assist our clients in achieving optimal solutions with minimal time and cost.
As a trusted partner for numerous OEMs, ODMs, CEMs, and EMS companies worldwide, our professional team manages millions of component records from thousands of trading partners across dozens of countries daily through our company database. We maintain close business relationships with major factories and distributors in North America, Europe, and Asia to ensure that our clients stay ahead in a highly competitive market.