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DIAC Diode
The diac, short for diode alternating current, is a two-terminal device that symmetrical switches On and Off when the applied voltage exceeds its breakover voltage threshold. It functions as a trigger device that can transition power between the positive and negative half cycles of alternating current. With this capability, diacs find extensive usage in a variety of electronic circuits.

DIAC Types

Mobile Marketing Status Configuration VRRM(V) max. IF(A) max. VF (V) max IFSM(A) max. IR(uA) max. trr (ns) max TJ(°C) max. TJ(°C) min. ECCN(US) Compliance
DB3 Active 125 -55 EAR99
DB3 (G) not for new design 125 -40 EAR99
DB3M not for new design 125 -40 EAR99
DB3S Active 125 -55 EAR99
DB4 Active 125 -55 EAR99
DB4 (G) not for new design 125 -40 EAR99
DB4M not for new design 125 -40 EAR99
DB4S Active 125 -55 EAR99
SODDB3 Active 125 -40 EAR99
SODDB3T Active 125 -40 EAR99

FAQs about DIAC Diodes for Alternating Current
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Diac vs. Triac
1. AC Power Control: Triacs are extensively used in applications involving the regulation of power levels, including heating devices, motor controllers, and light dimmers. The ability to control current throughout the AC cycle enhances efficiency and flexibility.

2. AC Switching: Triacs excel in applications that require switching AC loads like motors, heaters, and solenoids. These devices provide reliable and efficient performance, ensuring seamless operation.

3. Phase Control: Triacs offer precise phase control, allowing for optimal energy management in devices such as heating elements and lighting systems.

Unveiling Functions and Applications of DIAC Diodes for Alternating Current
The diac, short for diode alternating current, is a two-terminal device that symmetrical switches On and Off when the applied voltage exceeds its breakover voltage threshold. It functions as a trigger device that can transition power between the positive and negative half cycles of alternating current. With this capability, diacs find extensive usage in a variety of electronic circuits.