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S2040R
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Product Detailed Parameters
- Description：SCR 200V 40A TO220
- Series：-
- Mfr：Littelfuse Inc.
- Package：Bulk
- Voltage - Off State：200 V
- Voltage - Gate Trigger (Vgt) (Max)：1.5 V
- Current - Gate Trigger (Igt) (Max)：40 mA
- Current - Hold (Ih) (Max)：60 mA
- Current - Non Rep. Surge 50, 60Hz (Itsm)：430A, 520A
- SCR Type：Standard Recovery
- Operating Temperature：-40°C ~ 125°C
- Mounting Type：Through Hole
- Package / Case：TO-220-3
- Supplier Device Package：TO-220 Non-Isolated Tab
- Voltage - On State (Vtm) (Max)：1.8 V
- Current - On State (It (AV)) (Max)：25 A
- Current - On State (It (RMS)) (Max)：40 A
- Current - Off State (Max)：10 µA
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Overview
The Littelfuse S2040R is a standard non-sensitive Silicon Controlled Rectifier (SCR) from the Teccor series, designed for half-wave unidirectional gate-controlled rectification. It features a Rated Repetitive Off-State Voltage (VDRM) of 200 V and an RMS On-State Current (Irms) of 40 A. The device supports a Non-Repetitive Peak On-state Current of 430 A and has a maximum Breakover Current (IBO Max) of 520 A. Packaged in a TO-220 non-isolated case, it serves as a robust component for power control applications requiring high current handling capabilities within its voltage rating.
Feature Summary
- Standard non-sensitive gate structure for reliable triggering without requiring high gate currents
- Half-wave unidirectional rectification capability for AC power control circuits
- High surge current tolerance with 430 A peak on-state current support
- Robust thermal performance via TO-220 non-isolated package design
Applications
- Industrial motor speed control systems
- AC power regulation and switching circuits
- General purpose rectification in power supplies
Procurement Notes
Verify obsolescence status before procurement as the S2040R is listed as End-of-Life (EOL). Confirm availability through authorized distributors or identify approved substitute components from the same manufacturer family to ensure supply chain continuity and technical compatibility for ongoing production needs.
Selection Notes
Select this component when a 200 V blocking voltage and 40 A continuous current rating are required for non-sensitive SCR applications. Ensure the circuit design accounts for the specific breakover current characteristics and thermal management requirements associated with the TO-220 package form factor for optimal reliability.
Part Context
The S2040R belongs to the Littelfuse Teccor Sxx40x series of thyristors. This series complements the manufacturer's sensitive SCRs by offering standard gate sensitivity, making it suitable for broader industrial applications where precise low-current gate triggering is not mandatory but higher robustness is preferred.
Replacement Considerations
The S4040R is identified as an available substitute part number within the Littelfuse ecosystem. Verify electrical parameter alignment, particularly the increased voltage rating of the replacement, to ensure compatibility with existing circuit designs.
