BYD73 - Cavity Free Cylindrical Glass SOD81 Diode

Overview

The BYD73 is a high-performance, cavity-free cylindrical glass diode housed in a SOD81 package. Designed for reliability and efficiency, this component features glass passivation, ensuring superior protection against environmental factors and enhancing long-term stability. The BYD73 is ideal for applications requiring high maximum operating conditions, making it a versatile choice for various electronic circuits.

Features

• Glass Passivation: Provides excellent protection against moisture and contaminants, ensuring long-term reliability.
• High Maximum Operating Conditions: Capable of handling demanding electrical environments without degradation.
• Cavity-Free Design: Eliminates internal voids, reducing the risk of mechanical failure and improving thermal performance.
• Cylindrical Glass SOD81 Package: Compact and robust, suitable for automated assembly processes.
• Low Leakage Current: Ensures minimal power loss and high efficiency in circuit applications.
• Wide Operating Temperature Range: Suitable for use in extreme environmental conditions.

Applications

The BYD73 diode is designed for a broad range of applications, including but not limited to:

• Power Supplies: Used in rectification and voltage regulation circuits.
• Automotive Electronics: Suitable for high-reliability applications in vehicles, such as engine control units and lighting systems.
• Industrial Equipment: Ideal for harsh environments where durability is critical.
• Consumer Electronics: Used in devices requiring efficient power management.
• Telecommunications: Ensures stable performance in signal processing and power regulation.

Electrical Characteristics

The following table outlines the key electrical characteristics of the BYD73 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

Typical Electrical Parameters

• Forward Voltage Drop (V_F): 1.1V at I_F = 1A
• Reverse Leakage Current (I_R): 5µA at V_R = 200V
• Junction Capacitance (C_j): 10pF at V_R = 0V, f = 1MHz
• Thermal Resistance (R_θJA): 50°C/W

Package Information

The BYD73 diode is housed in a SOD81 package, which offers a compact and robust solution for surface-mount applications. Below are the detailed package specifications:

Package Dimensions

• Package Type: SOD81 (Cylindrical Glass)
• Body Diameter: 2.7mm (max)
• Body Length: 5.2mm (max)
• Lead Diameter: 0.6mm (nominal)
• Lead Spacing: 3.8mm (typical)

Mechanical Characteristics

• Weight: Approximately 0.05g
• Termination: Tin-plated leads for excellent solderability
• Mounting: Surface-mount (SMD) or through-hole (THT) depending on assembly requirements

Reliability and Compliance

The BYD73 diode is designed to meet stringent industry standards for reliability and performance. Key compliance and reliability data include:

• RoHS Compliance: Fully compliant with RoHS directives, ensuring environmentally friendly manufacturing.
• ESD Protection: Capable of withstanding electrostatic discharge up to 2kV (Human Body Model).
• Flammability Rating: UL94 V-0 compliant for fire safety.
• Moisture Sensitivity Level (MSL): MSL 1 (unlimited floor life at ≤30°C/85% RH).

Conclusion

The BYD73 cavity-free cylindrical glass diode in SOD81 package is a high-reliability component designed for demanding applications. With its glass passivation, high maximum operating conditions, and robust package, it is an excellent choice for power supplies, automotive systems, industrial equipment, and more. Its electrical characteristics and mechanical durability make it a versatile and dependable solution for modern electronic designs.