Unlike standard unidirectional diodes, a DIAC (Diode for Alternating Current) conducts electricity in both directions once its specific breakdown threshold is breached.
While the widely known DB3 or DB4 DIAC series usually functions around 32V–40V, the DB2 line provides unique triggering points targeted at specialized voltage applications. Technical datasheets from manufacturers like STMicroelectronics map out specific operational envelopes.
A graph illustrating the forward and reverse conduction regions. Electrical Characteristics Table: VBOcap V sub cap B cap O end-sub IBOcap I sub cap B cap O end-sub VFcap V sub cap F Package Mechanical Data: Dimensions for DO-35 or SOT23-3L. Ordering Information: Part numbering systems.
The operational integrity of the DB2 DIAC depends on strictly following the absolute maximum limits and electrical parameters specified below. Absolute Maximum Ratings ( unless otherwise noted) Rated Value ( PDcap P sub cap D Repetitive Peak On-State Current ( ITRMcap I sub cap T cap R cap M end-sub Operating Junction Temperature Range TJcap T sub cap J -40 to +125 ∘Craised to the composed with power C Storage Temperature Range TSTGcap T sub cap S cap T cap G end-sub -40 to +125 ∘Craised to the composed with power C Electrical Characteristics ( Breakover Voltage ( VBOcap V sub cap B cap O end-sub diac db2 datasheet pdf 14 top
+------------- AC Line -------------+ | | [Load] [Resistor] | | +-------[Main Terminal 2] +---[Capacitor]---+ | (MT2) | | [TRIAC] [DB2 DIAC] | | | | +-------[Gate]----------------------+ | | | +-------[Main Terminal 1]-----------------------------+ (MT1) 14 Top Technical Specifications in the DB2 Datasheet DB2 DIAC datasheets
: These diodes offer excellent symmetry between the forward and reverse breakover voltages, typically within a ±3Vplus or minus 3 cap V
): Typically rated around 28V to 36V, making it ideal for low-voltage switching tasks. Breakover Voltage Symmetry ( Unlike standard unidirectional diodes, a DIAC (Diode for
Because it lacks a control terminal (gate or base), it is non-polarized and exhibits the same electrical behavior for both positive and negative voltage. 2. Electrical Characteristics The DB2 is known for its well-defined breakover voltage cap V sub cap B cap O end-sub
: Aggregated technical listings for various DB-marked trigger diodes. STMicroelectronics circuit diagram showing how to integrate this DIAC into a standard TRIAC-based dimmer DIAC DB2 DIODE Datasheet(PDF) - ALLDATASHEET.COM
The highly reliable pulse output of the DB2 DIAC secures its placement across consumer, lighting, and industrial markets. Below are the top 14 technical implementations: Diac Db2 Datasheet Pdf 14 Top Verified - A graph illustrating the forward and reverse conduction
When downloading a , the document is structured into sections designed to guide hardware designers from prototyping to manufacturing. Here are the 14 standard elements you will locate inside: Datasheet - DB3, DB4, SMDB3 - Diac - STMicroelectronics
The DB2 (or its electrical equivalents) is used wherever a is required. Typical circuits include:
Without that specific 14th page specification—the —modern light dimmers wouldn't exist. We would still be controlling lights with giant, hot, mechanical rheostats.
If you are searching for the “diac db2 datasheet pdf 14 top” keyword for an engineering project or for stocking components, use the table above as your quick‑reference datasheet. For additional technical support, consider ordering a DB3 from a major distributor and testing it in your circuit – the performance will be indistinguishable from the DB2.
