Product Overview

B340A-13-F is a high-performance 3A surface-mount Schottky barrier rectifier diode with SMA package, featuring core parameters of 40V repetitive peak reverse voltage and 3A average rectified output current, along with low forward voltage drop of 0.50V@3A and high forward surge withstand capability of 80A. This product is certified to AEC-Q101 automotive reliability standards and complies with environmental standards such as RoHS and halogen-free. With a guard ring chip structure for transient protection, it is an ideal choice for low-voltage high-frequency inverters and DC-DC converters, and is widely used in automotive electronics and industrial power supplies.

Key Features

• High current carrying capacity: Supports 3A average rectified output current, meeting the rectification needs of medium-power circuits
• Ultra-low forward voltage drop: Maximum forward voltage drop is only 0.50V at 3A operating current, greatly reducing conduction power consumption and improving circuit energy efficiency
• Automotive-grade reliability: Certified to AEC-Q101, suitable for applications with high reliability requirements such as automotive electronics
• Strong surge withstand capability: Can withstand 80A non-repetitive peak forward surge current, with excellent instantaneous overload protection performance
• Environmental compliance: Lead-free plating and RoHS compliant, while meeting the "green device" standards of halogen-free and antimony-free

Technical Specifications

Typical Applications

• 1. DC-DC Conversion Circuits in Automotive Electronics : In the DC-DC converters of on-board power supplies, the automotive-grade certification of B340A-13-F can meet the stringent reliability requirements in vehicles. Its 3A current carrying capacity and low forward voltage drop can efficiently complete voltage conversion, and the 80A surge withstand capability can cope with instantaneous current shocks in automotive circuits, ensuring the stable operation of the power supply system.
• 2. Industrial High-Frequency Inverters : For the rectifier circuits of low-voltage high-frequency inverters in the industrial field, the Schottky characteristics of this device can adapt to high-frequency switching needs, avoiding efficiency attenuation under high-frequency conditions. The wide temperature range of -55℃~+150℃ can also cope with temperature fluctuations in industrial environments, improving the working stability and energy efficiency of the inverter.
• 3. Power Adapters for Consumer Electronics : In the rectifier circuits of high-power power banks and desktop fast chargers, the 3A high-current capability of B340A-13-F can meet the power requirements of fast charging, and the 0.50V low forward voltage drop can reduce heat generation and power consumption during power conversion, helping the adapter achieve the design goals of miniaturization and high conversion rate.
• 4. Freewheeling Circuits in Industrial Control : In the freewheeling protection circuits of industrial relays and motor drives, this diode can quickly discharge inductive energy storage. The high surge withstand capability can resist instantaneous large currents during motor start and stop, and the guard ring chip structure can also prevent transient voltages in the circuit, ensuring the safety of the control circuit.
• 5. Polarity Protection Circuits : In the power interface polarity protection scenarios of various electronic devices, the low forward voltage drop of B340A-13-F can reduce losses during normal power supply, and the 40V reverse voltage resistance can effectively block the current when the power supply is reversely connected, avoiding damage to the device due to reverse power polarity.

Why Choose B340A-13-F ?

• Automotive-grade quality: Certified to AEC-Q101, with reliability far exceeding ordinary rectifier diodes, suitable for high-demand scenarios
• Significant energy efficiency advantage: The low forward voltage drop of 0.50V@3A reduces power consumption by more than 20% compared with devices of the same specification
• Outstanding overload capability: 80A surge current withstand, can cope with instantaneous overload under complex working conditions and reduce the risk of device damage
• Strong temperature adaptability: Wide operating temperature range of -55℃~+150℃, suitable for extreme temperature environments such as automotive and outdoor applications
• Good package compatibility: Standard SMA package is compatible with automated SMT production lines, and the universal pad design simplifies the production process

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.
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