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S8055NRP
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Product Detailed Parameters
- Description：SCR 800V 55A TO263
- Series：-
- Mfr：Littelfuse Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Voltage - Off State：800 V
- Voltage - Gate Trigger (Vgt) (Max)：1.5 V
- Current - Gate Trigger (Igt) (Max)：40 mA
- Current - Hold (Ih) (Max)：60 mA
- Current - Non Rep. Surge 50, 60Hz (Itsm)：550A, 650A
- SCR Type：Standard Recovery
- Operating Temperature：-40°C ~ 125°C
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Package / Case：TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
- Supplier Device Package：TO-263 (D2PAK)
- Voltage - On State (Vtm) (Max)：1.8 V
- Current - On State (It (AV)) (Max)：35 A
- Current - On State (It (RMS)) (Max)：55 A
- Current - Off State (Max)：20 µA
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Overview
The Littelfuse S8055NRP is a Silicon Controlled Rectifier (SCR) from the Teccor Sxx55x series, designed for surface-mount applications in the SMTO-263-2 package. It features an 800 V rated repetitive off-state voltage and conducts a maximum RMS on-state current of 55 A. The device has a forward voltage of 1.8 V, with gate trigger requirements of 1.5 V and 40 mA. It supports non-repetitive peak currents up to 650 A and operates within a temperature range of -40°C to +125°C.
Feature Summary
- Surface-mount construction in a compact SMTO-263-2 package for automated assembly
- High voltage blocking capability suitable for demanding power control circuits
- Robust surge handling with high non-repetitive peak current ratings
Applications
- Industrial motor control systems
- Solid-state relays
- Lighting dimmer circuits
Procurement Notes
Verify the specific ordering suffix against the manufacturer's official datasheet to confirm pinout and electrical tolerances. Ensure the procurement channel provides valid traceability documentation. Confirm that the component meets current RoHS compliance standards required for the target market. Cross-reference the part number with Littelfuse's latest release notes to avoid obsolete stock.
Selection Notes
Select this component when a surface-mount SCR with 800 V blocking voltage and 55 A continuous current capacity is required. Compare thermal resistance values against the PCB copper area available for heat dissipation. Verify that the gate trigger characteristics align with the driving circuit's output capabilities. Consider the SMTO-263-2 footprint constraints during the layout phase.
Part Context
This part belongs to the Littelfuse Teccor Sxx55x series of thyristors. It shares the same physical package and general current handling as other variants in the series, differing primarily in voltage ratings. For example, the S4055NRP offers similar performance but with a lower 400 V rating. This series is engineered for reliable switching in industrial and consumer power applications.
Replacement Considerations
Publicly listed equivalent parts include IXYS CS19-08HO1S-TRL and STMicroelectronics TN2540-800G-TR. Verify that these substitutes match the exact package dimensions and thermal characteristics before integration.
