The Littelfuse Inc. S4015L52 is a thyristor-SCR that belongs to the family of discrete semiconductor products.

• Current Hold (Ih) (Max): 40 mA
• Voltage-Off State: 400 V
• Voltage-Gate Trigger (Vgt) (Max): 1.5 V
• Current-Gate Trigger (Igt) (Max): 30 mA
• Voltage-On State (Vtm) (Max): 1.6 V
• Current-On State (It (AV)) (Max): 9.5 A
• Current-On State (It (RMS)) (Max): 15 A
• Current-Off State (Max): 10 µA
• Current-Non Rep. Surge 50, 60Hz (Itsm): 188A, 225A
• Type: Standard-recovery SCR
• Mounting: Through-hole
• Package/Case: TO-220-3 isolated tab, formed leads
• Supplier Device Package: TO-220 isolated tab
• Operating Temperature: -40°C ~ 125°C