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SD1A180A
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Product Detailed Parameters
- Description：THYRISTOR SMA 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 SD1A180A is a silicon unidirectional thyristor designed for high-voltage triggering applications. It features a peak repetitive off-state voltage (VDRM) of 150 V and an on-state RMS current rating of 1 A at 80°C. The device exhibits a breakover voltage range of 170 to 190 Vdc with a maximum holding current of 60 mA. Housed in a compact SMA (DO-214AC) molded plastic package, it supports an operating junction temperature range from -40°C to +125°C. Key electrical characteristics include a typical peak on-state voltage of 1.1 V at 1 A and a switching resistance of 0.1 kΩ.
Feature Summary
- Compact surface-mount SMA package design optimized for space-saving circuit layouts
- High-voltage blocking capability with a 150 V DC off-state rating
- Predictable trigger performance defined by a specific 170–190 V breakover voltage window
Applications
- Gas igniter circuits
- High-voltage triggering systems
Procurement Notes
Verify the component against the official Diodes Incorporated datasheet specifications before integration. Confirm that the SMA package orientation and lead-free plating meet your assembly requirements. Ensure the selected part number matches the exact voltage and current ratings required for your specific high-voltage application environment.
Selection Notes
Select this component when a reliable, low-current silicon thyristor is needed for precise high-voltage triggering. The 1 A RMS rating and 150 V blocking voltage define its operational limits. Consider the thermal resistance of 15 °C/W for heat dissipation planning. The compact DO-214AC form factor is suitable for dense PCB designs where space is constrained.
Part Context
This device belongs to the family of silicon unidirectional thyristors manufactured by Diodes Incorporated. It is engineered specifically for robust high-voltage switching tasks. The component utilizes standard semiconductor manufacturing processes to ensure consistent electrical characteristics across production batches.
Replacement Considerations
No public confirmed substitute part numbers are available in the provided documentation.
FAQ
What is the maximum holding current for the SD1A180A?
The maximum holding current (IH) is specified as 60 mA.
What is the breakover voltage range of this thyristor?
The breakover voltage (VBO) ranges from 170 Vdc to 190 Vdc.
Is the SD1A180A RoHS compliant?
Yes, the component is in accordance with RoHS 2011/65/EU directives.
