S1M-E3/5AT

The S1M-E3/5AT is a specific type of rectifier diode manufactured by Vishay, designed for various electronic applications. Here’s a detailed description of its features and specifications:

General Overview

The S1M-E3/5AT is a surface-mount diode that is primarily used for rectification in power supply circuits. It is part of Vishay's S1M series, which is known for its reliability and efficiency in converting alternating current (AC) to direct current (DC).

Physical Characteristics

• Package Type: The diode is housed in a DO-214AC (SMA) package, which is a compact, surface-mount design that allows for easy integration into printed circuit boards (PCBs).
• Dimensions: The typical dimensions of the DO-214AC package are approximately 3.0 mm x 6.0 mm x 1.5 mm, making it suitable for space-constrained applications.
• Terminals: It features two terminals for electrical connections, which are designed for soldering onto the PCB.

Electrical Specifications

• Maximum Reverse Voltage (VR): The S1M-E3/5AT has a maximum reverse voltage rating of 1,000 volts (1 kV), making it suitable for high-voltage applications.
• Forward Current (IF): It can handle a forward current of up to 1 ampere (1 A), allowing it to manage significant power loads.
• Forward Voltage Drop (VF): The typical forward voltage drop is around 0.5 volts at a forward current of 1 A, which contributes to its efficiency.
• Surge Current Rating (IFSM): The diode can withstand a surge current of up to 30 amperes (30 A), providing robustness against transient conditions.

Thermal Characteristics

• Operating Temperature Range: The S1M-E3/5AT operates effectively within a temperature range of -55°C to +150°C, making it suitable for a variety of environmental conditions.
• Thermal Resistance: The thermal resistance from junction to ambient is low, which helps in dissipating heat effectively during operation.

Applications

The S1M-E3/5AT is commonly used in:

• Power supply circuits for consumer electronics.
• Rectification in AC to DC converters.
• Protection circuits to prevent reverse polarity.
• General-purpose applications in automotive and industrial electronics.

Compliance and Standards

The diode complies with various industry standards, ensuring its reliability and safety in electronic applications. It is also RoHS compliant, indicating that it is free from hazardous substances.

Conclusion

In summary, the S1M-E3/5AT from Vishay is a versatile and reliable rectifier diode suitable for high-voltage and high-current applications. Its compact design, robust electrical characteristics, and wide operating temperature range make it an excellent choice for engineers and designers looking to enhance the performance of their electronic circuits.