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S2008DS2TP
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Product Detailed Parameters
- Description：SCR 200V 8A TO252
- 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：Surface Mount
- Package / Case：TO-252-3, DPAK (2 Leads + Tab), SC-63
- Supplier Device Package：TO-252 (DPAK)
- 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 S2008DS2TP is a sensitive silicon-controlled rectifier (SCR) in the Teccor line, designed as a half-wave unidirectional gate-controlled rectifier. It features an electrically isolated TO-220 package with internal isolation between the case tab and leads. The device supports a maximum on-state current of 8 A and offers repetitive peak off-state voltage ratings of 200 V, 400 V, or 600 V. It utilizes glass-passivated junctions for reliability and includes UL recognition under File #E71639.
Feature Summary
- Electrically isolated TO-220 package allowing low-cost assembly
- Glass-passivated chip junctions for parameter stability
- High surge capability up to 100 A
- UL recognized component
Applications
- Half-wave rectification circuits
- Gate control applications requiring electrical isolation
- General purpose switching in industrial equipment
Procurement Notes
Verify the specific voltage rating suffix (S2, S4, or S6) required for your circuit design, as the base part number covers multiple voltage options. Confirm that the isolated TO-220 package meets your thermal and mounting requirements. Ensure the gate trigger current specifications align with your driving circuit capabilities before finalizing procurement.
Selection Notes
Select this component when electrical isolation between the mounting tab and circuit ground is necessary. Compare the 8 A continuous current rating against your load requirements. Consider the available voltage ratings (200 V to 600 V) to match your system's peak off-state voltage needs. Verify that the gate sensitivity fits your control logic levels.
Part Context
This device belongs to the Littelfuse Teccor series of sensitive SCRs, which complement their standard power SCR lineup. The series ranges from 0.8 A to 10 A with voltages up to 600 V. The S2008DS2TP specifically represents the 8 A variant in the isolated TO-220 form factor, distinct from non-isolated or surface-mount alternatives like the Compak package.
Replacement Considerations
Direct replacements must maintain the 8 A current rating, equivalent voltage class, and TO-220 isolated package. Verify that substitute devices offer comparable gate trigger characteristics and thermal resistance. Non-isolated TO-220 SCRs are not suitable if electrical isolation is required by the design.
