Diacs and Sidacs are bidirectional semiconductor devices used primarily in AC switching and triggering applications. Diacs, or Diode Alternating Current Switches, serve as trigger devices for triacs, allowing for smooth operation in dimmer switches and motor speed controls. Sidacs, or Silicon Diodes for Alternating Current, function similarly but offer a higher voltage breakdown, making them suitable for more demanding applications.
These components are essential in ensuring precise control and reliable performance in various electronic circuits. Renowned manufacturers like Littelfuse and STMicroelectronics produce Diacs and Sidacs with high-quality standards and excellent performance characteristics.
Incorporating Diacs and Sidacs into your designs enhances the efficiency and reliability of your AC control applications, providing essential functionality for phase control, light dimming, and motor control systems.
| Select | Images | Part Number | Mfr | Description | Datasheet | Availability | Price | Qty | RFQ | Rohs | ECAD Model |
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Mfr. Part No. WS Part No. |
SIDAC 240-280V 1A DO15 / Diac/Sidac Thyristor 240 ~ 280V DO-15
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Low Stock |
MOQ: 35 |
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Mfr. Part No. WS Part No. |
SIDACTOR SLIC 4CHP 500A MS013 /
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Low Stock |
MOQ: 12 |
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Mfr. Part No. WS Part No. |
SIDAC 120-138V 1A TO92 / Diac/Sidac Thyristor 120 ~ 138V TO-92
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Low Stock |
MOQ: 75 |
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Mfr. Part No. WS Part No. |
SIDAC 79-97V 1A TO92 / Diac/Sidac Thyristor 79 ~ 97V TO-92
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Low Stock |
MOQ: 115 |
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Mfr. Part No. WS Part No. |
SIDAC MP 240-265V H.V. DO15 TR / Diac/Sidac Thyristor 240 ~ 265V DO-15
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Low Stock |
MOQ: 40 |
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Mfr. Part No. WS Part No. |
THYRISTOR 270V/400V 400A 6SMD GW / 270V, 400V Off-State 400 A Ipp TVS Thyristor 6-SMD, Gull Wing
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Low Stock |
MOQ: 7 |
Need to verify |
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Mfr. Part No. WS Part No. |
SIDAC 130-146V 1A DO214
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Low Stock |
MOQ: 70 |
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Mfr. Part No. WS Part No. |
SIDAC 190-215V 1A TO92
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Low Stock |
MOQ: 21 |
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Mfr. Part No. WS Part No. |
SIDAC 110-130V 900MA AXIAL / Diac/Sidac Thyristor 110 ~ 130V Axial
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Low Stock |
MOQ: 190 |
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Mfr. Part No. WS Part No. |
SIDAC 220-250V 1A AXIAL
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3,770 pieces In Stock |
MOQ: 65 |
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Mfr. Part No. WS Part No. |
SIDAC 104-118V 1A TO92
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200 pieces In Stock |
MOQ: 75 |
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Mfr. Part No. WS Part No. |
SIDAC 104-118V 1A DO214
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1,446 pieces In Stock |
MOQ: 75 |
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Mfr. Part No. WS Part No. |
silicon bilateral voltage triggered switch | SIDAC 205-230V 1A TO92
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Low Stock |
MOQ: 90 |
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Mfr. Part No. WS Part No. |
SIDAC 165-195V 1A DO214
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Low Stock |
MOQ: 115 |
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Mfr. Part No. WS Part No. |
SIDAC UNI 210-230V 1A DO-15
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5,000 pieces In Stock |
MOQ: 460 |
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Mfr. Part No. WS Part No. |
SIDAC 95-113V 1A DO15
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Low Stock |
MOQ: 175 |
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Mfr. Part No. WS Part No. |
pxxx2a_ Series - Modified TO-220 Two-Chip SIDACtor® Device, 550V, RoHS
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Low Stock |
MOQ: 1 |
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Mfr. Part No. WS Part No. |
THYRISTOR 90V/180V 400A TO220-3 / 90V, 180V Off-State 400 A Ipp TVS Thyristor TO-220-3 No Tab
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Low Stock |
MOQ: 1 |
Need to verify |
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Mfr. Part No. WS Part No. |
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Low Stock |
MOQ: 1 |
Need to verify |
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Mfr. Part No. WS Part No. |
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Low Stock |
MOQ: 1 |
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