BY329X17 - Glass-Passivated Rectifier Diode

Overview

The BY329X17 is a high-performance, glass-passivated rectifier diode designed for applications requiring high reliability and efficiency. This diode is optimized for fast switching, low forward voltage drop, and high surge current capability. The glass-passivated construction ensures superior environmental protection and long-term stability, making it suitable for demanding industrial and automotive applications.

With its robust design, the BY329X17 is ideal for use in power supplies, inverters, and other high-frequency rectification circuits. Its excellent thermal characteristics and high junction temperature capability further enhance its performance in harsh operating conditions.

Features

• Glass-Passivated Junction: Provides enhanced reliability and protection against environmental factors.
• Low Forward Voltage Drop: Minimizes power loss and improves efficiency.
• High Surge Current Capability: Withstands high transient currents, ensuring durability in demanding applications.
• Fast Switching Speed: Suitable for high-frequency rectification and switching applications.
• High Junction Temperature: Operates reliably at elevated temperatures, up to 150°C.
• Low Reverse Leakage Current: Enhances efficiency and reduces power dissipation.
• RoHS Compliant: Meets environmental and safety standards.

Applications

The BY329X17 is versatile and can be used in a wide range of applications, including but not limited to:

• Power Supplies: AC/DC converters, switch-mode power supplies (SMPS), and linear regulators.
• Inverters: Solar inverters, motor drives, and UPS systems.
• Automotive Electronics: Alternator rectification, LED lighting drivers, and battery charging systems.
• Industrial Equipment: Welding machines, induction heating, and power tools.
• Consumer Electronics: Televisions, audio amplifiers, and home appliances.

Electrical Characteristics

Absolute Maximum Ratings

• Peak Repetitive Reverse Voltage (V_RRM): 1700V
• Average Forward Current (I_F(AV)): 3.0A
• Non-Repetitive Peak Forward Surge Current (I_FSM): 80A (8.3ms single half-sine wave)
• Operating Junction Temperature (T_J): -55°C to +150°C
• Storage Temperature Range (T_STG): -55°C to +150°C

Thermal Characteristics

• Thermal Resistance, Junction to Case (R_θJC): 3.0°C/W
• Thermal Resistance, Junction to Ambient (R_θJA): 50°C/W

Forward Characteristics

• Forward Voltage Drop (V_F): 1.2V (Typical) at I_F = 3.0A, T_J = 25°C
• Forward Voltage Drop (V_F): 1.5V (Maximum) at I_F = 3.0A, T_J = 25°C

Reverse Characteristics

• Reverse Leakage Current (I_R): 5µA (Maximum) at V_R = V_RRM, T_J = 25°C
• Reverse Leakage Current (I_R): 500µA (Maximum) at V_R = V_RRM, T_J = 150°C

Package Information

Mechanical Specifications

The BY329X17 is available in a standard DO-201AD (DO-27) package, which is widely used for high-power rectifier diodes. The package features a rugged construction with a solderable axial lead configuration for easy PCB mounting.

• Package Type: DO-201AD (DO-27)
• Dimensions: 5.2mm (Dia.) x 8.6mm (Length)
• Lead Diameter: 0.8mm
• Weight: Approximately 0.4g
• Mounting Style: Through-hole
• Termination: Axial leads, tin-plated for solderability

Marking Information

The diode is marked with the part number "BY329X17" for easy identification. Additional markings may include lot codes and date of manufacture for traceability.

Reliability and Compliance

The BY329X17 is designed to meet stringent quality and reliability standards. It undergoes rigorous testing to ensure performance under extreme conditions. The diode is compliant with RoHS directives, making it suitable for use in environmentally sensitive applications.

• ESD Protection: Meets industry-standard ESD protection levels.
• Flammability Rating: UL 94V-0 compliant.
• Moisture Sensitivity Level (MSL): MSL 1 (Unlimited floor life at ≤30°C/85% RH).

Conclusion

The BY329X17 glass-passivated rectifier diode is a high-reliability component designed for demanding applications. Its combination of low forward voltage, high surge current capability, and fast switching speed makes it an excellent choice for power conversion and rectification circuits. With its robust package and compliance with environmental standards, the BY329X17 is a versatile and dependable solution for engineers across various industries.