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S2025NTP
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Product Detailed Parameters
- Description：SCR 200V 25A 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)：35 mA
- Current - Hold (Ih) (Max)：50 mA
- Current - Non Rep. Surge 50, 60Hz (Itsm)：300A, 350A
- 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)：1.6 V
- Current - On State (It (AV)) (Max)：16 A
- Current - On State (It (RMS)) (Max)：25 A
- Current - Off State (Max)：10 µA
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Overview
The S2025NTP is a Silicon Controlled Rectifier (SCR) manufactured by Littelfuse under the Teccor brand. It features a rated repetitive off-state voltage of 400 V and an on-state RMS current of 25 A. The device operates within a temperature range of -40°C to +125°C and utilizes an SMTO-263-2 surface mount package. Key electrical characteristics include a maximum holding current of 50 mA, a gate trigger voltage of 1.5 V, and a forward voltage drop of 1.6 V at rated conditions.
Feature Summary
- Surface mount construction for automated PCB assembly
- High thermal stability across extended industrial temperature ranges
- Low gate trigger requirements for efficient control circuitry
Applications
- AC power control circuits
- Solid state relays
- Motor speed control systems
Procurement Notes
Verify the specific suffix 'NTP' against official Littelfuse documentation to confirm exact pinout and packaging variations compared to similar series members like S2025NRP. Ensure compliance with RoHS directives and UL certification requirements for the intended end-use application before finalizing procurement specifications.
Selection Notes
Select this component when a 400 V blocking capability and 25 A continuous current rating are required in a compact surface mount form factor. Compare the SMTO-263-2 package dimensions against available board space. Evaluate the 1.5 V gate trigger threshold against the driving logic levels to ensure reliable turn-on without excessive drive current.
Part Context
This SCR belongs to the Sxx25x family of high-current thyristors designed for robust power switching applications. The S2025NTP variant specifically addresses the need for higher voltage ratings within the 25 A current class, offering a standardized solution for manufacturers requiring reliable phase control or rectification in dense electronic assemblies.
Replacement Considerations
Direct substitutes may include other 400 V, 25 A SCRs in SMTO-263-2 packages from Littelfuse or competitors, provided pinouts and thermal characteristics match. Verify equivalent gate sensitivity and holding current values to maintain circuit stability.
