PBYR100B Technical Summary

PBYR100B - Schottky Barrier Rectifier Diode

Overview

The PBYR100B is a high-performance Schottky Barrier Rectifier diode designed for applications requiring low forward voltage drop and fast switching capabilities. This component utilizes advanced Schottky barrier technology to deliver superior efficiency in power conversion circuits. With its robust construction and optimized semiconductor characteristics, the PBYR100B is ideal for use in power supplies, DC-DC converters, and reverse polarity protection circuits.

This device features a low thermal resistance package and is characterized by its extremely fast switching speed, making it particularly suitable for high-frequency applications. The PBYR100B maintains stable performance across a wide temperature range, ensuring reliability in demanding environments.

Key Features

Low forward voltage drop (typically 0.38V at 1A)
High current capability (1A average forward current)
Ultra-fast switching characteristics
Low reverse leakage current
High surge current capability
Excellent thermal performance
Pb-free and RoHS compliant
Halogen-free according to IEC 61249-2-21

Applications

The PBYR100B is versatile and finds use in numerous electronic applications including:

Switch-mode power supplies (SMPS)
DC-DC converters
Reverse polarity protection circuits
Freewheeling diodes
OR-ing diodes in power supplies
Voltage clamping circuits
High-frequency rectification
Battery charging circuits
Solar panel bypass diodes

Electrical Characteristics

Absolute Maximum Ratings

Maximum repetitive peak reverse voltage: 20V
Maximum RMS voltage: 14V
Maximum DC blocking voltage: 20V
Average forward current: 1A
Peak forward surge current (8.3ms single half sine-wave): 30A
Operating junction temperature range: -65°C to +125°C
Storage temperature range: -65°C to +150°C

Thermal Characteristics

Junction-to-ambient thermal resistance: 110°C/W
Junction-to-lead thermal resistance: 40°C/W

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

Forward voltage (IF = 1A): 0.38V (typical), 0.5V (maximum)
Reverse leakage current (VR = 20V): 50μA (maximum)
Reverse leakage current (VR = 20V, Tj = 125°C): 1mA (maximum)
Junction capacitance (VR = 0V, f = 1MHz): 50pF (typical)
Reverse recovery time (IF = 0.5A, IR = 0.25A): 10ns (maximum)

Package Information

The PBYR100B is available in a compact SOD-123 surface-mount package, which offers excellent power dissipation characteristics while maintaining a small footprint on the PCB.

Package Dimensions

Package type: SOD-123 (Plastic Surface Mount)
Length: 2.65mm (max)
Width: 1.7mm (max)
Height: 1.3mm (max)
Lead pitch: 1.9mm (nominal)
Termination: Matte tin-plated, solderable per MIL-STD-202, Method 208

Marking Information

The device is marked with "BYR100B" on the body for identification. The cathode is indicated by a band on the package body.

Recommended PCB Land Pattern

The recommended pad layout for the SOD-123 package follows IPC-7351 standards for surface mount components. The land pattern should provide adequate solder fillet formation while preventing solder bridging.