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R1448NC18H
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Product Detailed Parameters
- Description：SCR 1.8KV W11
- Series：-
- Mfr：IXYS
- Package：Box
- Voltage - Off State：1.8 kV
- Voltage - Gate Trigger (Vgt) (Max)：-
- Current - Gate Trigger (Igt) (Max)：-
- Current - Hold (Ih) (Max)：-
- Current - Non Rep. Surge 50, 60Hz (Itsm)：1448A @ 50Hz
- SCR Type：Standard Recovery
- Operating Temperature：-
- Grade：-
- Qualification：-
- Mounting Type：Clamp On
- Package / Case：TO-200AC, K-PUK
- Supplier Device Package：W11
- Voltage - On State (Vtm) (Max)：-
- Current - On State (It (AV)) (Max)：1800 A
- Current - On State (It (RMS)) (Max)：-
- Current - Off State (Max)：-
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Overview
The R1448NC18H is a phase control thyristor manufactured by IXYS, designed for high-power industrial applications. It features a clamp-on package configuration (W11) and offers a blocking voltage of 1.8 kV. The device supports an average on-state current of 1800 A and includes distributed gate technology for fast switching characteristics. This component belongs to the standard recovery SCR category within the broader thyristor product line.
Feature Summary
- Utilizes a clamp-on W11 package design for secure mechanical mounting and thermal management
- Incorporates distributed gate capsule technology to achieve fast turn-off times
- Engineered for high-current phase control operations with robust 1.8 kV blocking capability
Applications
- Industrial motor drives requiring high power handling
- High-voltage DC transmission systems
- Resistive and inductive load control circuits
Procurement Notes
Verify the specific datasheet version from IXYS or Littelfuse before ordering, as specifications may vary between revisions. Confirm that the W11 clamp-on package matches your mechanical assembly requirements. Ensure that the thermal interface materials are compatible with the device's heat dissipation needs. Check for any obsolescence notices, as this part may be marked Not For New Designs.
Selection Notes
Select this component when high average current capacity near 1800 A is required alongside 1.8 kV voltage ratings. The clamp-on package is suitable for applications where direct bolt-down mounting is not feasible. Consider the distributed gate design if fast commutation times are critical for the circuit topology. Evaluate thermal resistance parameters against the system's cooling capabilities.
Part Context
This SCR is part of IXYS' comprehensive range of phase control thyristors, which span voltages from 400V to 6500V. IXYS has been acquired by Littelfuse, so support documentation may now reference the parent company. The W11 package distinguishes it from standard bolt-on or stud-mounted thyristors in the same voltage class.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided source material. Verify compatibility with existing gate drive circuits if replacing similar models. Consult official Littelfuse/IXYS catalogs for cross-reference data.
