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2N691A is listed in the Scrs range at ChipApex. The manufacturer field lists Central Semiconductor Corp. Its product description is SCR 700V 25A TO48. Review the specifications below when checking this part for your BOM.
Scrs specifications for 2N691A
- Description：SCR 700V 25A TO48
- Series：-
- Mfr：Central Semiconductor Corp
- Package：Bulk
- Voltage - Off State：700 V
- Voltage - Gate Trigger (Vgt) (Max)：2 V
- Current - Gate Trigger (Igt) (Max)：40 mA
- Current - Hold (Ih) (Max)：50 mA
- Current - Non Rep. Surge 50, 60Hz (Itsm)：200A @ 60Hz
- SCR Type：Standard Recovery
- Operating Temperature：-65°C ~ 125°C
- Grade：-
- Qualification：-
- Mounting Type：Chassis, Stud Mount
- Package / Case：TO-208AA, TO-48-3, Stud
- Supplier Device Package：TO-48
- Voltage - On State (Vtm) (Max)：2 V
- Current - On State (It (AV)) (Max)：-
- Current - On State (It (RMS)) (Max)：25 A
- Current - Off State (Max)：4.5 mA
Scrs datasheet and documents for 2N691A
Scrs Overview
The Central Semiconductor Corp 2N691A is a silicon-controlled rectifier (SCR) thyristor designed for high-power switching applications. It features a TO-48 metal package and supports a maximum repetitive peak off-state voltage of 700V. The device handles a maximum on-state current of 25A with a gate trigger voltage maximum of 2V. It is RoHS compliant and lead-free, suitable for through-hole mounting in industrial circuits requiring robust thyristor performance.
Scrs Feature Summary
- High-voltage blocking capability up to 700V
- Robust 25A on-state current handling
- Standardized TO-48 metal case construction
Scrs Applications
- Industrial power control systems
- High-voltage DC switching circuits
- Motor drive protection stages
Scrs Procurement Notes
Verify the specific datasheet revision and mechanical drawing compatibility before integration. Confirm that the TO-48 package dimensions match the target heatsink or board layout requirements. Ensure the 2V gate trigger specification aligns with the driving circuit capabilities. Check RoHS compliance documentation for final assembly standards.
Scrs Selection Notes
Select this component when a high-current, high-voltage thyristor in a metal case is required. Compare the 25A rating against peak load currents to ensure adequate margin. Evaluate the thermal resistance of the TO-48 package for the intended ambient conditions. Verify that the gate trigger voltage is compatible with available control logic levels.
Scrs Part Context
This part belongs to the Central Semiconductor thyristor family, specifically within the SCR category. It utilizes silicon technology for reliable switching. The TO-48 package provides superior heat dissipation compared to plastic alternatives. It serves as a discrete semiconductor solution for power electronics.
Scrs Replacement Considerations
Consult official substitution lists for equivalent 700V, 25A SCRs in TO-48 packages. Verify pinout compatibility and thermal characteristics before swapping manufacturers.
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