BYG80 - Technical Summary

BYG80 - High-Efficiency Rectifier Diode

Overview

The BYG80 is a high-performance rectifier diode designed for surface-mount applications. This glass-passivated component offers excellent reliability and efficiency in a compact DO-214AC (SMA) package. With its robust construction and optimized electrical characteristics, the BYG80 is ideal for demanding power conversion and rectification applications.

Key Features

Glass passivated junction for enhanced reliability
High maximum operating temperature range
Low forward voltage drop for improved efficiency
Fast switching capability
Surge current protection
Lead-free and RoHS compliant construction
Surface-mountable DO-214AC (SMA) package

Applications

The BYG80 is suitable for a wide range of applications including:

Switch-mode power supplies (SMPS)
DC-DC converters
Reverse polarity protection circuits
Freewheeling diodes
Battery charging circuits
Power factor correction circuits
Industrial power systems
Automotive electronics

Electrical Characteristics

Absolute Maximum Ratings

Maximum repetitive peak reverse voltage: 800V
Maximum RMS voltage: 560V
Maximum DC blocking voltage: 800V
Maximum average forward current: 1A
Peak forward surge current (8.3ms single half sine-wave): 30A
Operating junction temperature range: -55°C to +150°C
Storage temperature range: -55°C to +150°C

Thermal Characteristics

Thermal resistance, junction to ambient: 75°C/W
Thermal resistance, junction to lead: 25°C/W

Electrical Properties (at Tj=25°C unless otherwise specified)

Forward voltage (IF=1A): 1.1V typical, 1.3V maximum
Reverse current (VR=800V): 5μA maximum
Reverse recovery time (IF=1A, IR=1A): 500ns maximum
Junction capacitance (VR=4V, f=1MHz): 15pF typical

Package Information

DO-214AC (SMA) Package Dimensions

Package length: 4.3mm ±0.2mm
Package width: 2.6mm ±0.2mm
Package height: 1.9mm ±0.1mm
Terminal width: 1.25mm ±0.1mm
Terminal length: 0.7mm ±0.1mm

Marking Information

The device is marked with "BYG80" followed by a date code for traceability. The cathode end is marked with a band.

Mounting Information

Recommended pad layout according to IPC-7351 standards
Maximum soldering temperature: 260°C for 10 seconds
Recommended reflow profile per J-STD-020

Reliability Data

Moisture sensitivity level (MSL): 1 (unlimited floor life)
ESD rating: Class 1B (Human Body Model)
Flammability rating: UL 94 V-0
Qualification testing performed per JEDEC standards

Performance Characteristics

Forward Voltage vs. Forward Current

The forward voltage characteristic shows a typical value of 1.1V at 1A, with a positive temperature coefficient that provides natural current sharing when devices are paralleled.

Reverse Leakage Current vs. Temperature

The reverse leakage current remains below 5μA at maximum rated voltage up to the maximum operating temperature, ensuring reliable blocking performance.

Switching Characteristics

The BYG80 features optimized switching characteristics with a maximum reverse recovery time of 500ns, making it suitable for high-frequency switching applications up to 100kHz.