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S2040NTP
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Product Detailed Parameters
- Description：SCR 200V 40A TO263
- Series：-
- Mfr：Littelfuse Inc.
- Package：Tube
- 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：Surface Mount
- Package / Case：TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
- Supplier Device Package：TO-263 (D2PAK)
- 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 S2040NTP is a Silicon Controlled Rectifier (SCR) from the Teccor Sxx40x series, designed for high-current switching applications. It features an 800 V rated repetitive off-state voltage and a 40 A RMS on-state current capability. The device operates in a surface-mount SMTO-263-2 package with a maximum junction temperature of 125°C. Key electrical parameters include a forward voltage of 1.8 V, a gate trigger voltage of 1.5 V, and a holding current of 60 mA. It exhibits a maximum turn-off time of 20 µs and withstands a maximum surge current of 520 A.
Feature Summary
- High-power SCR architecture supporting 40 A continuous operation
- Surface-mount SMTO-263-2 package for automated PCB assembly
- Robust transient handling with 520 A surge current capacity
- Low forward voltage drop for improved thermal efficiency
Applications
- Industrial motor control systems
- Solid-state relays and contactors
- AC power regulation circuits
Procurement Notes
Verify the specific suffix NTP against the manufacturer datasheet to confirm pinout orientation and packaging configuration. Ensure the ordering quantity aligns with the standard tube packing format. Cross-reference the component marking with official Littelfuse identification guides to prevent counterfeit substitution during receipt inspection.
Selection Notes
Select this component when an 800 V blocking voltage and 40 A RMS current rating are required in a compact surface-mount form factor. Evaluate the thermal resistance of the SMTO-263-2 package against the expected heat dissipation requirements. Confirm that the gate trigger characteristics match the driving circuit capabilities for reliable turn-on under varying temperature conditions.
Part Context
This part belongs to the Littelfuse Teccor Sxx40x family of silicon controlled rectifiers. These devices are engineered for general-purpose AC power control applications requiring high reliability and robust surge handling. The series provides standardized performance metrics for industrial and commercial power electronics designs.
Replacement Considerations
Consult Littelfuse documentation for verified cross-references within the Sxx40x series. Verify pin compatibility and thermal characteristics before substituting with other manufacturers' SCRs offering similar 800 V / 40 A ratings.
