| Symbol | Parameter | Min | Typ | Max | Unit | |---------|-------------------------------|-----|-----|-----|------| | VBO | Breakover voltage | 28 | 32 | 36 | V | | IBO | Breakover current | — | — | 200 | μA | | VF | On‑state voltage (at I = 1 A) | — | 1.5 | — | V | | VRM | Repetitive peak off‑state voltage | — | — | 32 | V | | dV/dt | Critical rate of rise of off‑state voltage | 5 | — | — | V/μs | | IH | Holding current | — | — | 50 | mA | | Tj | Operating junction temperature| –40 | — | 100 | °C | | Tstg | Storage temperature | –55 | — | 150 | °C |
Triggering the starter circuit. 5. Summary Table: DB2/DB3 Characteristics Typical Value Breakover Voltage VBOcap V sub cap B cap O end-sub Peak Pulse Current ITRMcap I sub cap T cap R cap M end-sub Symmetry Operating Temp Tjcap T sub j -40 to +125°C Conclusion diac db2 datasheet pdf 14 top
Simple structure allows for low-cost, high-volume production. | Symbol | Parameter | Min | Typ
They are very similar, and for many applications, they are functionally equivalent. The main difference is that SIDACs generally have higher breakover voltages (typically above 100V) and higher current handling capabilities. They are very similar, and for many applications,
Whether you are an EE student debugging a lamp dimmer, or a production manager qualifying an alternate source for DIACs, the DB2 remains a top choice. Bookmark this guide and keep the table handy—you will consult it again.
This defines the thermal limits for safe operation and storage. A common range for these devices is . This wide range makes them suitable for use in a variety of environmental conditions.
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