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SD1A220E
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Product Detailed Parameters
- Description：THYRISTOR DO-41 T&R 5K
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR),Cut Tape (CT)
- Voltage - Off State：-
- Voltage - Gate Trigger (Vgt) (Max)：-
- Current - Gate Trigger (Igt) (Max)：-
- Current - Hold (Ih) (Max)：-
- Current - Non Rep. Surge 50, 60Hz (Itsm)：-
- SCR Type：-
- Operating Temperature：-
- Grade：-
- Qualification：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Voltage - On State (Vtm) (Max)：-
- Current - On State (It (AV)) (Max)：-
- Current - On State (It (RMS)) (Max)：-
- Current - Off State (Max)：-
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Overview
The SD1A220E is a silicon unidirectional thyristor (SIDAC) manufactured by Diodes Incorporated. It operates within a peak repetitive off-state voltage of 190 V and features a breakover voltage range of 210 to 230 Vdc at a breakover current of 5 uA. The device supports an on-state RMS current of 1 A at 80 °C ambient temperature, with a maximum holding current under 60 mA. It utilizes a JEDEC DO-41 molded plastic case and functions across an operating junction temperature range of -40 to +125 °C.
Feature Summary
- Compact DO-41 package design for space-saving applications
- Silicon unidirectional thyristor construction
- Lead-free terminal plating compliant with RoHS standards
Applications
- Gas igniters
Procurement Notes
Verify the specific manufacturer designation, as LSC documents may indicate distribution or manufacturing arrangements distinct from Diodes Incorporated branding. Confirm the exact datasheet revision date and electrical parameter tolerances against the latest official documentation before finalizing procurement specifications.
Selection Notes
Select this component when a compact unidirectional trigger device is required for gas ignition circuits. Ensure the application voltage remains below the 190 V blocking limit while utilizing the 210-230 V breakover characteristic for triggering. Verify thermal management requirements align with the 1 A RMS rating at elevated temperatures.
Part Context
This part belongs to the SIDAC family of silicon unidirectional thyristors designed for high-voltage triggering applications. It serves as a specialized protection and switching element within electronic circuits requiring precise voltage breakdown characteristics in a standard axial leaded package.
Replacement Considerations
Direct substitutes must match the DO-41 package, 190 V blocking voltage, and 210-230 V breakover range. Verify that alternative components maintain identical holding current limits and thermal resistance values to ensure circuit compatibility.
