Diac Db2 Datasheet Pdf 14 Jun 2026

R1 +V ---/\/\/\---+---- DIAC ---- Gate of Triac | C GND

He pulled a weathered, 14-page from his digital archives. Page 14 was the key—it held the final thermal derating curves and mechanical dimensions. The DB2 was a tiny thing, no larger than a grain of rice, but it possessed a unique power. Unlike standard diodes that only let current flow one way, the DB2 was a gatekeeper of balance. It waited patiently for the voltage to reach its "breakover" point—exactly 32 volts, according to the specs.

The DB2 is widely used in circuits requiring phase control of AC power, including:

It functions as a trigger diode with a fixed voltage reference, providing excellent symmetry for both positive and negative half-cycles of an AC line. Negative Resistance Region: Diac Db2 Datasheet Pdf 14

Absolute maximum ratings define the limits beyond which the device may suffer permanent damage. Engineers must design circuits to operate well below these thresholds. Repetitive Peak On-State Current ( ITRMcap I sub cap T cap R cap M end-sub Power Dissipation ( Ptotcap P sub t o t end-sub Operating Junction Temperature Range Tjcap T sub j -40 to +125 ∘Craised to the composed with power cap C Storage Temperature Range Tstgcap T sub s t g end-sub -40 to +150 ∘Craised to the composed with power cap C 3. Electrical Characteristics ( unless otherwise specified)

Here’s a curated list of for finding and understanding the DIAC (DB2) datasheet PDF — likely referring to the DIAC bidirectional trigger diode (DB3 / DB4 / DB6 type) often called “DB2” in some markings or generic equivalents.

Based on standard datasheet specifications from manufacturers like STMicroelectronics , these components are designed for high-efficiency AC switching: Typically ranges between 28V and 36V . Peak Pulse Current ( ITRMcap I sub cap T cap R cap M end-sub ): Capable of handling repetitive peaks up to 2A . R1 +V ---/\/\/\---+---- DIAC ---- Gate of Triac

The is a bidirectional trigger diode designed primarily for low-power phase-control AC switching circuits, such as lamp dimmers, universal motor speed controllers, and fluorescent light ballasts.

It seems you are looking for a specific datasheet (likely a PDF) and want to know its features related to a version or reference number "14" .

The DB2 behaves like a "transistor without a base". It remains in a non-conductive state until the applied voltage exceeds its specific breakover threshold. Once triggered, its resistance drops sharply (negative resistance characteristic), allowing a pulse of current to flow to the gate of a TRIAC. Datasheet - DB3, DB4, SMDB3 - Diac - STMicroelectronics Unlike standard diodes that only let current flow

Comprehensive Guide to the DB2 DIAC Datasheet: Specifications, Features, and Applications

A: Because Diac is an independent software vendor (ISV). IBM certifies their products but does not host their datasheets.

Assume you have obtained the genuine 6–8 page PDF. Here is how to extract value from each section for your DB2 environment: