The Littelfuse Inc. 1278749-S4006RS2TP is a thyristor-SCR component from the Teccor® series.

• Current Hold (Ih) (Max): 6 mA
• Off-State Voltage: 400 V
• Voltage Gate Trigger (Vgt) (Max): 800 mV
• Current Gate Trigger (Igt) (Max): 200 µA
• On-State Voltage (Vtm) (Max): 1.6 V
• On-State Current (It (AV)) (Max): 3.8 A
• On-State Current (It (RMS)) (Max): 6 A
• Off-State Current (Max): 5 µA
• Current Non-Rep. Surge 50, 60Hz (Itsm): 83A, 100A
• SCR Type: sensitive gate
• Mounting Type: through-hole
• Package/Case: TO-220-3
• Supplier Device Package: TO-220AB
• Temperature Range: -40°C to 110°C (TJ)
• EAR99: EAR99
• MSL Level: 1 (Unlimited)
• HTSUS: 8541.30.0080