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SRUK208DRP
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Product Detailed Parameters
- Description：SCR 1.2KV 8A TO252
- Series：Teccor®
- Mfr：Littelfuse Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Voltage - Off State：1.2 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 (TJ)
- Grade：-
- Qualification：-
- 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)：10 µA
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Overview
The Littelfuse SRUK208DRP is an 8 Amp standard Silicon Controlled Rectifier (SCR) from the SRUK208x series, housed in a TO-252AA surface-mount package. It features a high forward blocking voltage of 1200V and supports a critical rate-of-rise of on-state current (di/dt) of 350A/μs. The device handles a peak non-repetitive surge current of 100A at 60Hz and has a maximum DC gate trigger current of 15mA. Designed for capacitor discharge applications, it operates within a junction temperature range of -40°C to 125°C.
Feature Summary
- High forward blocking voltage capability up to 1200V
- Robust pulse current handling with high di/dt rating
- Surface-mount construction for automated assembly
Applications
- High voltage pulse generation by capacitor discharge
- Electric fence systems
- Contact electric weapons (CEWs)
- High-power strobe lights
Procurement Notes
Verify the specific suffix 'D' confirms the TO-252AA surface-mount package variant rather than the through-hole R-package. Confirm RoHS compliance status and check for any updated datasheet revisions that may affect thermal resistance or absolute maximum ratings before finalizing procurement specifications.
Selection Notes
Select this component when a surface-mount SCR is required for high-voltage capacitor discharge circuits. Ensure the design accommodates the 1200V blocking voltage and 350A/μs di/dt requirements. Verify that the PCB layout supports the thermal dissipation needs for the TO-252AA package under expected RMS on-state current conditions.
Part Context
This part belongs to the Littelfuse T eccor SRUK208x series of 8 Amp standard SCRs. The series includes variants with different packages, such as the TO-220AB (R-package) and TO-252AA (D-package). The SRUK208DRP specifically denotes the D-package version optimized for surface-mount technology applications.
Replacement Considerations
Direct replacements include other parts from the SRUK208x series with compatible packages, such as the SRUK208RTP for through-hole mounting if space permits. Cross-brand equivalents must match the 8A current, 1200V voltage, and TO-252AA package constraints.
