DB3 from ON SEMICONDUCTOR >> Specification: DIAC / SIDAC, Trigger Diode, 28 V, 36 V, µA, 2 A, DOAH, 2 Pins. 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). Buy STMicroelectronics DB3 DIAC 36V, 2A, 2-Pin DO DB3. Browse our latest diacs offers. Free Next Day Delivery.

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Diodes Solid state switches. This behavior is bidirectional, meaning typically the same for both directions of current. No availability reported, please contact our Sales office.

China Diac DB3 Manufacturers and Suppliers – Factory Supply Diac DB3 Made in China – HANTECH

The operation of the SIDAC is functionally similar to that of a spark gapbut is unable to reach its higher temperature ratings. Getting started with eDesignSuite. However, where part-counts are to be kept low, simple relaxation oscillators are needed, and when the voltages are too low for practical operation of a spark gap, the SIDAC is an indispensable component. Menu Products Explore our product portfolio. No commitment taken to produce Proposal: Potentiometer digital Variable capacitor Varicap.


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The diode remains in conduction until the current through it drops below a value characteristic for the device, called the holding currentI H. IoT for Smart Things.

From Wikipedia, the free encyclopedia. Product is under characterization. Computers and Peripherals Data Center. No commitment taken to design or produce NRND: Selectors Simulators and Models. Free Sample Add to cart. Product is in volume production only to support customers ongoing production. Idac this value, the diode switches back to its high-resistance, non-conducting state.

DB3 – DIAC – STMicroelectronics

The term is an acronym of “diode for alternating current”. Product is in volume production 0. Who We Are Management. Also referred to as a SYDAC Silicon thYristor for Alternating Currentbi-directional thyristor breakover diodeor more simply a bi-directional thyristor diode, xb3 is technically specified as a bilateral voltage triggered switch. Distributor Name Region Stock Min. When breakdown occurs, the diode enters a region of negative dynamic resistanceleading to a decrease in the voltage drop across the dkac and, usually, a sharp increase in current through the diode.

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DB3 Bidirectional DIAC

The SIDAC remains nonconducting until the applied voltage meets or exceeds its rated breakover voltage. DIACs are also called “symmetrical trigger diodes” due to the symmetry of their characteristic curve. This page was sb3 edited on 1 Juneat Somewhat uncommon in most electronicsthe SIDAC is relegated to the status of a special purpose device.


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Please contact our sales support for information on specific devices. Once entering this conductive state going through the negative dynamic resistance region, the SIDAC continues to conduct, regardless of voltage, until the applied current falls below its rated holding current. Is a positive power supply mandatory for my application, or could a negative output work also?

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ST Code of Conduct Blog. Product is in design feasibility stage. In many applications this function is now served by metal oxide varistors MOVsparticularly for trapping voltage transients on the power mains. Retrieved from ” https: Views Read Disc View history.

Product is in design stage Target: Product is in volume production.