BYD13 - Cavity Free Cylindrical Glass Package Diode

Overview

The BYD13 is a high-performance, cavity-free cylindrical glass package diode designed for applications requiring robust and reliable performance. Its glass passivation ensures superior protection against environmental factors, making it suitable for harsh operating conditions. The diode features a high maximum operating capability, ensuring stability and longevity in demanding applications.

Features

• Glass Passivated: Provides excellent protection against moisture and contaminants, enhancing reliability.
• High Maximum Operating: Capable of handling high operational thresholds, ensuring durability.
• Cavity-Free Design: Eliminates internal voids, reducing the risk of mechanical failure.
• Cylindrical Glass Package: Offers superior mechanical strength and thermal stability.
• Low Leakage Current: Ensures efficient performance with minimal power loss.
• High Surge Current Capability: Withstands transient overloads, enhancing circuit protection.

Applications

The BYD13 is versatile and can be used in a wide range of applications, including but not limited to:

• Power Supplies: Used in rectification circuits for AC/DC conversion.
• Automotive Electronics: Suitable for voltage regulation and protection circuits in vehicles.
• Industrial Equipment: Ideal for high-reliability applications in harsh environments.
• Telecommunications: Used in signal processing and power management circuits.
• Consumer Electronics: Found in power management and protection circuits of household devices.
• Renewable Energy Systems: Utilized in solar inverters and wind power systems for efficient energy conversion.

Electrical Characteristics

The following table outlines the key electrical characteristics of the BYD13 diode under standard operating conditions (unless otherwise specified):

Absolute Maximum Ratings

• Maximum Reverse Voltage (V_R): 200V
• Maximum Forward Current (I_F): 1A
• Peak Forward Surge Current (I_FSM): 30A (non-repetitive)
• Operating Temperature Range (T_op): -55°C to +150°C
• Storage Temperature Range (T_stg): -55°C to +150°C

Electrical Parameters

• Forward Voltage Drop (V_F): 1.1V (typical) at I_F = 1A
• Reverse Leakage Current (I_R): 5µA (maximum) at V_R = 200V
• Junction Capacitance (C_J): 15pF (typical) at V_R = 0V, f = 1MHz
• Thermal Resistance (R_θJA): 50°C/W (typical)

Package Information

The BYD13 is housed in a cylindrical glass package, which provides excellent mechanical and thermal performance. Below are the detailed package specifications:

Mechanical Dimensions

• Package Type: DO-35 (Cylindrical Glass)
• Body Diameter: 2.0mm (nominal)
• Body Length: 4.0mm (nominal)
• Lead Diameter: 0.45mm (nominal)
• Lead Length: 25mm (nominal)

Package Marking

The BYD13 diode is marked with the following information for identification:

• Part Number: "BYD13" printed on the body.
• Polarity: Cathode indicated by a band on one end of the diode.

Recommended Soldering Profile

For optimal performance, the following soldering conditions are recommended:

• Soldering Temperature: 260°C (maximum)
• Soldering Time: 10 seconds (maximum)
• Wave Soldering: Suitable, with preheating to 100-120°C for 60 seconds.
• Reflow Soldering: Not recommended due to glass package constraints.

Reliability and Quality

The BYD13 diode is manufactured under strict quality control standards to ensure high reliability and performance consistency. Key reliability features include:

• High-Temperature Operation: Tested for stable performance across the full operating temperature range.
• Environmental Resistance: Glass passivation provides resistance to humidity, dust, and chemical exposure.
• Mechanical Robustness: The cylindrical glass package withstands mechanical stress and vibration.
• Longevity: Designed for extended operational life with minimal degradation over time.

Conclusion

The BYD13 is a high-reliability diode housed in a cavity-free cylindrical glass package, offering excellent electrical and mechanical performance. Its glass passivation and high maximum operating capabilities make it ideal for demanding applications in power supplies, automotive electronics, industrial equipment, and more. With robust construction and stringent quality control, the BYD13 ensures long-term reliability and efficiency in diverse operating conditions.