BYM56 - Rugged Glass Passivated Rectifier Diode

Overview

The BYM56 is a high-performance, rugged rectifier diode designed for demanding applications requiring reliability and efficiency. Encased in a glass passivated package, this diode offers excellent thermal and electrical characteristics, making it suitable for a wide range of industrial and commercial uses. Its robust construction ensures high maximum operating capabilities, even under strenuous conditions.

Features

• Glass Passivated: Provides superior protection against environmental factors, ensuring long-term reliability.
• High Maximum Operating Current: Capable of handling substantial current loads without degradation.
• Low Forward Voltage Drop: Enhances efficiency by minimizing power loss during operation.
• Fast Switching Speed: Ideal for high-frequency applications, reducing switching losses.
• High Surge Current Capability: Withstands transient overload conditions, improving system durability.
• Excellent Thermal Stability: Maintains performance across a wide temperature range.

Applications

The BYM56 is versatile and finds use in numerous applications, including but not limited to:

• Power Supplies: Used in AC/DC converters and DC power supplies for efficient rectification.
• Industrial Equipment: Suitable for motor drives, welding machines, and other heavy-duty industrial applications.
• Automotive Systems: Employed in alternators, voltage regulators, and other automotive electronics.
• Consumer Electronics: Integrated into appliances, chargers, and other household devices requiring reliable rectification.
• Renewable Energy Systems: Utilized in solar inverters and wind turbine systems for efficient energy conversion.

Electrical Characteristics

The following table outlines the key electrical specifications of the BYM56 diode under standard operating conditions (25°C unless otherwise specified):

Absolute Maximum Ratings

• Maximum Repetitive Reverse Voltage (V_RRM): 600V
• Maximum RMS Voltage (V_RMS): 420V
• Maximum DC Blocking Voltage (V_DC): 600V
• Maximum Average Forward Current (I_F(AV)): 5A
• Peak Forward Surge Current (I_FSM): 50A (single half-sine wave, 60Hz)
• Operating Junction Temperature Range (T_J): -55°C to +150°C
• Storage Temperature Range (T_STG): -55°C to +150°C

Forward Characteristics

• Forward Voltage (V_F): 1.1V (typical) at 5A
• Dynamic Resistance (r_F): 0.05Ω (typical)

Reverse Characteristics

• Reverse Current (I_R): 5µA (maximum) at 600V
• Capacitance (C_J): 15pF (typical) at 4V, 1MHz

Thermal Characteristics

• Thermal Resistance (R_θJA): 50°C/W (junction to ambient)
• Thermal Resistance (R_θJL): 3°C/W (junction to lead)

Package Information

The BYM56 is housed in a rugged, industry-standard package designed for optimal thermal and electrical performance. Below are the key package details:

Mechanical Specifications

• Package Type: DO-41 (Glass Passivated)
• Dimensions: 4.3mm (D) x 2.7mm (H) x 2.7mm (W)
• Lead Material: Copper
• Lead Finish: Tin-plated for improved solderability
• Weight: Approximately 0.35 grams

Mounting Information

• Mounting Style: Through-hole
• Recommended PCB Hole Diameter: 0.8mm
• Lead Spacing: 2.54mm (standard)

Marking Information

• Part Number: BYM56
• Polarity Marking: Cathode band indicated by a colored stripe

Conclusion

The BYM56 rectifier diode stands out as a reliable and high-performance component, ideal for a wide array of applications. Its glass passivated construction, combined with excellent electrical and thermal characteristics, ensures durability and efficiency in demanding environments. Whether used in power supplies, industrial equipment, or automotive systems, the BYM56 delivers consistent performance and robustness, making it a preferred choice for engineers and designers.