Product Overview

1N5819HW-7-F is a high-performance surface-mount Schottky rectifier diode launched by well-known manufacturers, adopting the SOD-123 package with core parameters of 40V reverse voltage and 1A average rectifier current, as well as ultra-low forward voltage drop and ultra-fast switching response speed . With the characteristics of low power consumption and high surge resistance, this product is widely suitable for low-voltage, high-frequency power management and circuit rectification scenarios. It also complies with environmental standards such as RoHS and halogen-free, making it an ideal 1N5819 series Schottky device for consumer electronics, automotive electronics and other fields.

Key Features

• Ultra-low forward voltage drop: The forward voltage drop is only 450mV at 1A operating current, which greatly reduces circuit power consumption and improves overall energy efficiency
• High surge withstand capability: It can withstand 25A forward surge current and has excellent instantaneous overload protection performance
• Miniaturized package: Using SOD-123 surface-mount package, it is small in size and suitable for the integration needs of high-density PCB boards
• Environmental compliance: Meets RoHS and halogen-free certifications, has no SVHC substances of very high concern, and complies with global environmental directives
• Transient protection design: Built-in guard ring chip structure, which can effectively resist transient voltage shocks in the circuit and improve working stability

Technical Specifications

Typical Applications

• 1. Automotive Electronic Systems: In the on-board power modules and auxiliary circuits of electronic control units (ECUs) of automobiles, 1N5819HW-7-F can be used as a low-voltage rectifier unit. Its 40V withstand voltage and 25A surge resistance can cope with voltage fluctuations in automotive circuits. Meanwhile, the small package can save the space of on-board PCB and meet the strict space and stability requirements of automotive electronics.
• 2. Consumer Electronics Power Management: In the power rectifier circuits of power banks, small adapters, smart home controllers and other devices, the ultra-low forward voltage drop of this device can reduce energy loss during power conversion, improve device battery life or energy efficiency, and the SOD-123 package can meet the miniaturization and lightweight design trends of consumer electronics.
• 3. High-Frequency Inverter Circuits: For low-voltage high-frequency inverter scenarios, the fast switching characteristic of 1N5819HW-7-F can adapt to high-frequency working needs, avoid circuit efficiency decline caused by switching delay, and the high current carrying capacity can ensure the stable operation of the inverter under rated load, making it the core rectifier device of small inverter equipment.
• 4. Industrial Control Auxiliary Circuits: In industrial sensors and small relay drive circuits, this diode can be used as a freewheeling or rectifier component. The wide temperature working range of 125℃ can adapt to temperature fluctuations in industrial environments, and the guard ring design can also resist transient interference in the industrial power grid and improve the stability of the control circuit.
• 5. Portable Device Charging Circuits: In the charging interface rectifier circuits of mobile phones, tablets and other portable devices, the low-power characteristic of 1N5819HW-7-F can reduce heat generation during charging. Meanwhile, the surface-mount package facilitates compact layout inside the device and ensures the efficiency and safety of the charging circuit.

Why Choose 1N5819HW-7-F ?

• Significant energy efficiency advantage: The 450mV low forward voltage drop reduces power consumption by more than 15% compared with devices of the same specification, helping products achieve low-power design goals
• High reliability: 25A surge current tolerance and 125℃ wide temperature working range adapt to long-term stable operation under complex working conditions
• Stable supply chain: As a mature model of the 1N5819 series, it has a stable supply cycle and can meet the procurement needs of mass production
• High cost performance: It has excellent cost advantage while achieving high performance, reducing the BOM cost of the whole machine
• Strong design adaptability: The standard SOD-123 package is compatible with mainstream surface-mount processes, and the clear polarity marking simplifies circuit design and production processes

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.