Hotenda Technology specially developed Motorola cross reference search engine.
Info source: Rectron web-site
FAST RECOVERY POWER RECTIFIERS 50.600 VOLTS 3.0 AMPERES
Axial-Lead Standard Recovery Rectifiers
SCHOTTKY BARRIER RECTIFIER 0.5 AMPERES 20 VOLTS
SURFACE MOUNT SCHOTTKY POWER RECTIFIER
Surface Mount Schottky Power Rectifier
Info source: KEC web-site