The 540948-2N1771 is a thyristor with a standard recovery SCR type.

• Type: Thyristor, Standard Recovery SCR
• Category: Discrete Semiconductor Products, Thyristors - SCRs
• Package: Box, 10 Pieces (Standard)
• Maximum Current Hold (Ih): 8 mA
• Off-State Voltage: 50 V
• Gate Trigger Voltage (Vgt): 10 V (Maximum)
• Gate Trigger Current (Igt): 2 A (Maximum)
• Maximum On-State Current (It (AV)): 4.7 A
• Maximum On-State RMS Current (It (RMS)): 7.4 A
• Maximum Off-State Current: 9 mA
• Non-Repetitive Surge Current (50, 60Hz): 60A
• Mounting Type: Stud Mount
• Package: TO-208AB, TO-64-3, Stud
• Temperature Range: -65°C to 125°C
• Manufacturer: Solid State Inc.
• Product Status: Active