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S2008VS2TP
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Product Detailed Parameters
- Description：SCR 200V 8A TO251
- Series：-
- Mfr：Littelfuse Inc.
- Package：Tube
- Voltage - Off State：200 V
- Voltage - Gate Trigger (Vgt) (Max)：800 mV
- Current - Gate Trigger (Igt) (Max)：200 µA
- Current - Hold (Ih) (Max)：6 mA
- Current - Non Rep. Surge 50, 60Hz (Itsm)：83A, 100A
- SCR Type：Sensitive Gate
- Operating Temperature：-40°C ~ 110°C
- Mounting Type：Through Hole
- Package / Case：TO-251-3 Short Leads, IPAK, TO-251AA
- Supplier Device Package：TO-251 (V-Pak/I-Pak)
- Voltage - On State (Vtm) (Max)：1.6 V
- Current - On State (It (AV)) (Max)：5.1 A
- Current - On State (It (RMS)) (Max)：8:00 AM
- Current - Off State (Max)：5 µA
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Overview
The Littelfuse S2008VS2TP is a half-wave unidirectional sensitive silicon-controlled rectifier (SCR) in the Teccor line, rated for 8 A on-state current and 200 V repetitive peak off-state voltage. It features an electrically isolated TO-220 package with a glass-passivated junction. Key electrical parameters include a maximum DC gate trigger current of 200 µA, a peak one-cycle forward surge current of 100 A, and a typical peak on-state voltage of 1.6 V. The device operates within a junction temperature range of -40 °C to +110 °C.
Feature Summary
- Electrically isolated TO-220 package allows safe mounting to heatsinks without external insulators
- Glass-passivated chip junction provides long-term reliability and parameter stability
- High surge capability supports demanding transient load conditions
Applications
- Half-wave rectification in low-power AC control circuits
- Gate triggering for larger power SCRs or TRIACs
- Lighting control systems requiring high-voltage isolation
Procurement Notes
Verify the specific suffix 'TP' against official Littelfuse documentation to confirm tape-and-reel packaging status, as standard datasheets may list bulk options. Confirm that the isolated variant designation matches the required insulation rating for your application safety standards before finalizing orders.
Selection Notes
Select this component when an 8 A current rating and 200 V blocking voltage are required alongside electrical isolation. Ensure the 200 µA gate sensitivity aligns with your drive circuit capabilities. Consider thermal derating curves for continuous operation above 25 °C case temperature to maintain reliability.
Part Context
This part belongs to the Littelfuse Teccor series of sensitive SCRs, designed to complement standard power SCRs. The series covers ratings from 0.8 A to 10 A with voltages up to 600 V. The 'S' prefix typically denotes the 8 A class within this specific catalog grouping.
Replacement Considerations
Direct replacements must match the 8 A/200 V rating and isolated TO-220 package. Verify gate trigger current limits and thermal resistance characteristics. Generic non-isolated TO-220 SCRs require additional insulation hardware if used as substitutes.
