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T1851N70TOHXPSA1
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Product Detailed Parameters
- Description：SCR MODULE 7000V 2880A DO200AE
- Series：-
- Mfr：Infineon Technologies
- Package：Tray
- Structure：Single
- Number of SCRs, Diodes：1 SCR
- Voltage - Off State：7 kV
- Current - On State (It (AV)) (Max)：1830 A
- Current - On State (It (RMS)) (Max)：2880 A
- Current - Non Rep. Surge 50, 60Hz (Itsm)：50000A @ 50Hz
- Operating Temperature：-40°C ~ 125°C
- Mounting Type：Chassis Mount
- Package / Case：TO-200AF
- Voltage - Gate Trigger (Vgt) (Max)：2.5 V
- Current - Gate Trigger (Igt) (Max)：350 mA
- Current - Hold (Ih) (Max)：350 mA
- Grade：-
- Qualification：-
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Overview
The T1851N70TOHXPSA1 is a high-power Silicon SCR module manufactured by Infineon Technologies, designed for phase control applications. It features a rated repetitive off-state voltage (VDRM) of 7 kV and a non-repetitive peak on-state current of 50 kA. The device has a maximum holding current of 350 mA and requires a gate trigger voltage of 2.5 V with a gate trigger current of 350 mA. Operating within a temperature range of -40 °C to +125 °C, it utilizes a press-fit installation style in the T-12026K package. The module weighs 1.848 kg and is supplied in trays of two units.
Feature Summary
- High voltage capability with 7 kV rated off-state voltage for robust blocking performance
- Extreme surge tolerance supporting 50 kA non-repetitive peak on-state current
- Industrial-grade thermal stability operating from -40 °C to +125 °C
- Mechanical press-fit mounting design for secure connection in heavy-duty assemblies
Applications
- Net-phase thyristor circuits
- High-power industrial phase control systems
- Heavy-duty rectifier bridges requiring high voltage isolation
Procurement Notes
Verify component authenticity through official Infineon channels or authorized distributors. Confirm RoHS compliance status via current documentation. Check for obsolescence notices as supply may be limited. Ensure storage conditions meet semiconductor standards to prevent degradation before installation.
Selection Notes
Select this module for applications demanding high voltage blocking and significant surge current handling. Verify that the system can accommodate the 350 mA gate trigger current requirement. Ensure mechanical design supports the 1.848 kg weight and press-fit mounting constraints. Confirm thermal management strategies align with the 125 °C maximum junction temperature limit.
Part Context
This part belongs to Infineon's NETZ-THYRISTOR series, specialized for high-power phase control. It is an alternative designation for the T1851N70TOH model. The XPSA1 suffix indicates specific packaging and ordering variations within the same technical specification family.
Replacement Considerations
The T1851N70TOH is the primary equivalent part number. Verify pin compatibility and thermal resistance values when substituting. Ensure the replacement matches the 7 kV voltage rating and 50 kA surge capacity requirements.
