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S6055R
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Product Detailed Parameters
- Description：SCR 600V 55A TO220
- Series：-
- Mfr：Littelfuse Inc.
- Package：Bulk
- Voltage - Off State：600 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)：550A, 650A
- SCR Type：Standard Recovery
- Operating Temperature：-40°C ~ 125°C
- Grade：-
- Qualification：-
- 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)：35 A
- Current - On State (It (RMS)) (Max)：55 A
- Current - Off State (Max)：10 µA
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Overview
The Littelfuse S6055R is a Silicon Controlled Rectifier (SCR) designed for high-power switching applications. It features a maximum repetitive peak reverse voltage and maximum DC blocking voltage of 600 V. The device supports a maximum RMS on-state current of 55 A and an average on-state current of 35 A. Surge current capability reaches 550 A at 50 Hz. Triggering parameters include a maximum gate trigger current of 40 mA and a maximum gate trigger voltage of 1.5 V. The component utilizes a TO-220AB flange mount package with three pins, ensuring compatibility with standard heat sinking solutions for thermal management.
Feature Summary
- High surge current handling capability for robust transient protection
- Sensitive gate design allowing direct interfacing with control circuits
- Flange mount construction optimized for efficient thermal dissipation
Applications
- Strobe light power control systems
- Fluid level sensing circuits
- Capacitive-discharge ignition systems
Procurement Notes
Verify the specific ordering suffix to confirm compliance status and packaging details. Ensure the selected variant matches the required RoHS directive standards for your manufacturing process. Confirm that the TO-220AB physical dimensions align with your printed circuit board layout and mounting hardware specifications before finalizing procurement orders.
Selection Notes
Select this component when a 600 V blocking voltage and 55 A RMS current rating are required in a discrete SCR form factor. Consider the TO-220AB package for applications necessitating direct heatsink mounting. Evaluate the 40 mA gate trigger requirement against available drive circuit capabilities to ensure reliable turn-on performance under all operating conditions.
Part Context
This device belongs to the Littelfuse silicon-controlled rectifier portfolio, which provides efficient switching solutions for low-current control circuits. The series includes various ampere ratings and blocking voltages, utilizing glass passivated junctions for durability. These components are engineered for precise switching with minimal gate current requirements and fast turn-off characteristics.
Replacement Considerations
The S6055RTP is a documented alternative from Littelfuse offering identical 55 A and 600 V specifications within the same TO-220AB package. Verify pinout compatibility and thermal resistance values before substituting to ensure equivalent performance in the target application.
