Features

• The three layer, two terminal, axial lead, hermetically sealed

diacs are designed specifically for triggering thyristors.

• Lead Free Finish/Rohs Compliant (Note1) (PSuffix designates

Compliant. See ordering information)

• Moisture Sensitivity: Level 1 per J-STD-020C

• These diacs are intended for use in thyrisitors phase control,

circuits for lamp dimming, universal motor speed control ,and

heat control. Type number is marked.

DB4-TP属于分立半导体产品 > 晶闸管 - DIAC，SIDAC。美微科半导体公司制造生产的DB4-TP晶闸管 - DIAC，SIDACDIAC 和 SIDAC 系列产品是双端子器件，常在交流相位控制应用中用作触发机制，其作用是阻断电流，直至器件两端施加的电压达到某个临界值才会导通，并在导通瞬间提供大电流。两者的区别在于特性曲线的形状；导通模式下，DIAC（双向触发二极管）的正向电压通常较高，因此当应用要求电流较大时，SIDAC（高压双向触发二极管）通常比它更加适用。