bta/btb12-800b general description 12a triacs available either in through-hole or surface-mount packages, the bta/btb12 - 800b triac series is suitable for general purpose ac switching. they can be used as an on/off function in applications such as static relays, heating regulation, induction motor starting circuits... or for phase control operation in light dimmers, motor speed controllers, ... the snubberless versions (bta/btb...w series) are specially recommended for use on inductive loads, thanks to their high commutation performances. by using an internal ceramic pad, the bta series provides voltage insulated tab (rated at 2500v rms) complying with ul standards. product specification absolute maximum ratings electrical characteristics ( ta = 25 c) o ( ta = 25 c) o a1 a2 g to-220ab parameter symbol value unit repetitive peak off-state voltages v drm 800 v peak off-state reverse voltages v rrm 800 v rms on-state current i t 12.0 a non-repetitive peak on-state current i tsm 120 a max. operating junction temperature t j 110 o c storage temperature t stg -45~150 o c parameter symbol test conditions min. max unit repetitive peak off-state voltages v drm i d =0.1ma 800 v repetitive peak off-state current i drm v drm =720v 10 ua on-state voltage v tm i t =17a 1.55 v holding current i h i t =0.5a,i gt =20ma 50 ma gate trigger current t2+g+ i gt v ak =12v r l =30 50 ma t2+g- 50 t2-g- 50 t2-g+ 100 gate trigger voltage t2+g+ v gt v d =12v r l =30 1.3 v t2+g- 1.3 t2-g- 1.3 t2-g+ 1.3 tiger electronic co.,ltd
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