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CS3P-40D
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Product Detailed Parameters
- Description：TRIAC 40A 400V TO-3
- Series：*
- Mfr：Central Semiconductor Corp
- Package：Tube
- Triac Type：-
- Voltage - Off State：-
- Current - On State (It (RMS)) (Max)：-
- Voltage - Gate Trigger (Vgt) (Max)：-
- Current - Non Rep. Surge 50, 60Hz (Itsm)：-
- Current - Gate Trigger (Igt) (Max)：-
- Current - Hold (Ih) (Max)：-
- Configuration：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Grade：-
- Qualification：-
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Overview
The CS3P-40D is an isolated Silicon Controlled Rectifier (SCR) manufactured by Central Semiconductor Corp. It belongs to the CS3P series, designed for high-power applications requiring electrical isolation between the gate and the main terminals. The device supports a continuous on-state current of 40 Amperes and offers voltage ratings ranging from 200 Volts to 1200 Volts, depending on the specific suffix variant. It utilizes an isolated tab construction to facilitate efficient heat dissipation and secure mounting to heatsinks while maintaining galvanic isolation. This component is suitable for industrial power control systems where robust performance and safety isolation are critical.
Feature Summary
- Isolated tab construction provides galvanic isolation between the gate circuit and the main power terminals.
- High current handling capability with a 40 Ampere on-state rating for demanding power applications.
- Wide voltage range availability from 200V to 1200V to accommodate various system requirements.
- Designed for efficient thermal management through direct mounting to external heatsinks.
Applications
- Industrial motor speed control drives
- High-power AC/DC power supply circuits
- Welding equipment power regulation
- Solid-state relays and contactors
Procurement Notes
Verify the exact voltage rating suffix required for the specific application, as the base part number covers a range up to 1200V. Confirm package compatibility with existing heatsink mounting hardware due to the isolated tab design. Check for RoHS compliance status if environmental regulations apply to the final assembly. Ensure gate trigger characteristics match the driving circuit specifications before integration.
Selection Notes
Select the CS3P-40D when a 40A SCR with integrated isolation is necessary to simplify board layout and improve safety. Compare gate trigger current and voltage requirements against the available driver capabilities. Consider the thermal resistance of the isolated tab when designing the cooling solution. Evaluate the peak repetitive forward/reverse blocking voltage needs to choose the correct voltage variant within the series.
Part Context
The CS3P-40D is part of Central Semiconductor's CS3P family of isolated SCRs. This series includes variants like CS3P-40B, which is explicitly documented as an isolated 40A TRIAC or SCR with similar voltage ranges. The family is characterized by its ability to handle high currents in compact, thermally efficient packages suitable for industrial environments.
Replacement Considerations
Direct replacements may include other 40A isolated SCRs from manufacturers such as Littelfuse or Vishay, provided they meet the same voltage and isolation specifications. Verify pinout compatibility and thermal interface requirements before substituting. Generic non-isolated SCRs cannot replace this component without significant circuit redesign.
