View hsms281x series datasheet:

Surface Mount RF Schottky Barrier Diodes Technical Data HSMS-281x Series Features Package Lead Code Identification, SOT-23/SOT-143 • Surface Mount Packages (Top View) COMMON COMMON • Low Flicker Noise SINGLE SERIES ANODE CATHODE 3 3 3 3 • Low FIT (Failure in Time) Rate* • Six-sigma Quality Level 1 2 1 2 1 2 1 2 #0 #2 #3 #4 • Single, Dual and Quad UNCONNECTED RING BRIDGE Versions PAIR QUAD QUAD • Tape and Reel Options 3 4 3 4 3 4 Available • Lead-free Option Available 1 2 1 2 1 2 #5 #7 #8 * For more information see the Surface Mount Schottky Reliability Data Sheet. Package Lead Code Package Lead Code Identification, SOT-323 Identification, SOT-363 Description/Applications (Top View) (Top View) These Schottky diodes are SERIES HIGH ISOLATION