The DIAC is a diode that conducts electrical current only after its breakover voltage, VBO, has References[edit]. DB3 DB4 SMDB3 DIAC, ST Datasheet ( PDF) · LittelFuse Kxxx1g Series SIDAC Data Sheet (PDF). DB3 Diac. FEATURES. DESCRIPTION Functioning as a trigger diode with a fixed voltage reference, the DB3/DB4 series can be used in conjunction with triacs. Buy STMicroelectronics DB3 DIAC 36V, 2A, 2-Pin DO DB3. Browse our latest diacs offers. Free Next Day Delivery.

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Voltage regulator diodes, Low-power general purpose voltage regulator ST Code of Conduct Blog.

The DIAC, or ‘diode for alternating current’, is a diode that conducts current only after its breakover voltage has been reached momentarily. No commitment taken to design or produce NRND: This page was last edited on 1 Juneat The product detailed below complies with the specifications published by RS Components. Not Recommended for New Design.

By using this site, you agree to the Terms of Use and Privacy Policy. Diodes Solid state switches. The Chip Diodes, are leadless, allowing designers to make real estate savings on PCB layouts. Price Each In a Pack of 5.


Product is in volume production 0. Product is under characterization. Product is in design stage Target: Standard Pack Production Pack. A range of bidirectional thyristor over-voltage diiac devices from Bourns Electronics.

DB3 Bidirectional DIAC

Product is in volume production Evaluation: Please contact our sales support for information on specific devices. In other projects Wikimedia Commons. How to implement a SCR or a Triac in a hybride relay application. Views Read Edit View history.

You can change your cookie settings by reading our cookie policy. A new dizc mount version is now available in SOT package, providing reduced space and compatibility with automatic pick and place equipment. Distributor Name Region Stock Min. Smart Home and City Smart Industry. Attribute Value Maximum Breakover Current 0. However, where part-counts are to be kept low, simple relaxation oscillators are needed, and when the voltages are too low for practical operation doac a spark gap, the SIDAC is an indispensable component.

Product is in doac feasibility stage. Menu Products Explore our product portfolio. Selectors Simulators and Models. The devices are designed primarily to limit over-voltages on digital telecommunication lines and low voltage data circuits. No availability reported, please contact our Sales office.

Purchase online DB3 Bidirectional Diac in India at low price from DNA Technology, Nashik.

In many applications this function is dkac served by metal oxide varistors MOVsparticularly for trapping voltage transients on the power mains. Our website uses cookies and similar technologies to provide you with a better service while searching or placing an order, for analytical purposes and to personalise our advertising to you.


Free Sample Add to cart. Product is in volume production only to support customers ongoing production.

DB3 DB-3 Diac Trigger Diode DO

Also referred to as a SYDAC Silicon thYristor for Alternating Currentbi-directional thyristor breakover diodeor more simply a bi-directional thyristor diode, it is technically specified as a bilateral voltage triggered switch.

Tools and Software Development Tools. Below this value, the diode switches back to its high-resistance, non-conducting state.

Media Subscription Media Contacts. The diode remains in conduction until the current through it drops below a value characteristic for the device, called the holding currentI H. The term is an acronym of “diode for alternating current”. Once entering this conductive state going through the negative dynamic resistance region, the Eiac continues to conduct, regardless of voltage, until the applied current falls below its rated holding current.