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CS220-8D
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Product Detailed Parameters
- Description：SCR 400V 8A TO220
- Series：-
- Mfr：Central Semiconductor Corp
- Package：Bulk
- Voltage - Off State：400 V
- Voltage - Gate Trigger (Vgt) (Max)：1.5 V
- Current - Gate Trigger (Igt) (Max)：15 mA
- Current - Hold (Ih) (Max)：20 mA
- Current - Non Rep. Surge 50, 60Hz (Itsm)：60A @ 50Hz
- 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-220-3
- Voltage - On State (Vtm) (Max)：1.8 V
- Current - On State (It (AV)) (Max)：-
- Current - On State (It (RMS)) (Max)：8:00 AM
- Current - Off State (Max)：-
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Overview
The CS220-8D is a Silicon Controlled Rectifier (SCR) from the Central Semiconductor CS220 series, housed in a TO-220 case. It features an 8.0 A RMS on-state current rating and a peak repetitive off-state voltage of 400 V. The device supports a peak one-cycle surge current of 60 A and has a critical rate of rise of on-state current of 50 A/μs. Operating junction temperature ranges from -40 to +125 °C, with storage temperatures up to +150 °C. Thermal resistance values are 60 °C/W (junction-to-ambient) and 2.5 °C/W (junction-to-case).
Feature Summary
- Epoxy molded construction designed for sensing circuit and control system applications.
- Planar passivated silicon structure providing reliable switching performance.
- Tab electrically common to the anode for efficient heat dissipation.
Applications
- Sensing circuits
- Control systems
Procurement Notes
This component is officially classified as End of Life by Central Semiconductor Corp. No replacement part number is available within the manufacturer's lineup. Procurement should focus on verifying existing stock availability or identifying equivalent devices from other suppliers, as new production orders are no longer accepted under standard product management processes.
Selection Notes
Select this SCR when a 400 V blocking voltage and 8 A continuous current capability are required in a TO-220 package. Verify that the application gate drive can supply at least 3 mA trigger current and 0.9 V gate voltage. Ensure thermal management accounts for the specified junction-to-case resistance to maintain safe operating temperatures during conduction.
Part Context
The CS220-8D belongs to the broader CS220 series of SCRs, which covers voltage ratings from 200 V to 800 V and current ratings up to 35 A. This specific model represents the 400 V variant within the epoxy molded TO-220 family, sharing mechanical outlines and general electrical characteristics with its siblings like the CS220-8B and CS220-8M.
Replacement Considerations
Central Semiconductor lists 'N/A' for all CS220 series replacements, indicating no direct internal substitute exists. Designers must seek cross-manufacturer equivalents matching the 400 V, 8 A, TO-220 specifications, such as the BT151-500R series, while verifying pinout compatibility and thermal parameters.
