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SK008V
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Product Detailed Parameters
- Description：SCR 1KV 8A TO251
- Series：-
- Mfr：Littelfuse Inc.
- Package：Bulk
- Voltage - Off State：1 kV
- Voltage - Gate Trigger (Vgt) (Max)：1.5 V
- Current - Gate Trigger (Igt) (Max)：15 mA
- Current - Hold (Ih) (Max)：30 mA
- Current - Non Rep. Surge 50, 60Hz (Itsm)：83A, 100A
- SCR Type：Standard Recovery
- Operating Temperature：-40°C ~ 125°C
- Grade：-
- Qualification：-
- 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)：20 µA
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Overview
The Littelfuse SK008V is a Silicon Controlled Rectifier (SCR) from the SK series, rated for 1 kV repetitive peak off-state voltage and 8 A RMS on-state current. It features a maximum gate trigger voltage of 1.5 V and a gate trigger current of 15 mA. The device has a forward voltage drop of 1.6 V and a holding current of 30 mA. It operates within a junction temperature range of -40°C to +125°C. The component is available in various packages including TO-251, TO-263, and DPAK, supporting both through-hole and surface-mount installations.
Feature Summary
- High voltage blocking capability up to 1 kV
- Robust 8 A RMS current handling
- Low gate sensitivity for efficient triggering
- Wide operating temperature range
Applications
- Industrial motor control circuits
- Power supply regulation systems
- General purpose rectification applications
Procurement Notes
Verify the specific suffix (e.g., VTP, NTP, DRP) to confirm the exact package type and lead-free status. Confirm RoHS compliance and REACH SVHC declarations with the manufacturer or distributor before procurement. Ensure the selected variant matches the required thermal management and mounting constraints for the target design.
Selection Notes
Select the appropriate package variant based on the board layout requirements; TO-251 for through-hole, TO-263/DPAK for surface mount. Verify that the gate drive circuit can supply at least 15 mA at 1.5 V to ensure reliable turn-on. Consider the thermal resistance of the chosen package for heat dissipation under continuous 8 A load conditions.
Part Context
The SK008V belongs to Littelfuse's SK series of standard recovery SCRs. This series provides high-voltage, high-current switching solutions in multiple package formats. The base model SK008V denotes the electrical ratings, while suffixes indicate physical packaging variations such as V-Pak, I-Pak, or D2PAK configurations.
Replacement Considerations
SK010VTP and SK010NTP are listed as parameter-equivalent alternatives with higher current ratings. SK008NRP is also noted as a parameter-equivalent option. Verify pinout compatibility and thermal characteristics when substituting.
