View bta20 datasheet:

BTA20 BW/CW BTB20 BW/CW SNUBBERLESS TRIACS FEATURES .HIGH COMMUTATION : (dI/dt)c > 18A/ms without snubber .HIGH SURGE CURRENT : ITSM = 200A .VDRM UP TO 800V .BTA Family : INSULATING VOLTAGE = 2500V(RMS) (UL RECOGNIZED : E81734) DESCRIPTION A1 A2 The BTA/BTB20 BW/CW triac family are high per- G formance glass passivated chips technology. The SNUBBERLESS? concept offer suppression TO220AB of RC network and it is suitable for application (Plastic) such as phase control and static switching on in- ductive or resistive load. ABSOLUTE RATINGS (limiting values) Symbol Parameter Value Unit IT(RMS) RMS on-state current BTA Tc = 70 °C20 A (360° conduction angle) BTB Tc = 90 °C ITSM Non repetitive surge peak on-state current tp = 8.3 ms 210 A ( Tj initial = 25°C) tp = 10