BT149D

BT149D SCR 21 August 2018 Product data sheet 1. General description Planar passivated Silicon Controlled Rectifier in a SOT54 (TO-92) plastic package. This SCR is designed to be interfaced directly to microcontrollers, logic ICs and other low power gate trigger circuits. 2. Features and benefits Planar passivated for voltage ruggedness and reliability Sensitive gate Direct triggering from low power drivers and logic ICs A-G-K reverse pin-out 3. Applications General purpose switching and phase control Low power circuits 4. Quick reference data Table 1. Quick reference data Symbol Parameter Conditions VRRM repetitive peak reverse voltage IT(AV) average on-state current half sine wave; Tlead ≤ 83 °C; Fig. 1 IT(RMS) RMS on-state current half sine wave; Tlead ≤ 83 °C; Fig. 2; Fig. 3 ITSM non-repetitive peak on- half sine wave; Tj(init) = 25 °C; state current tp = 10 ms; Fig. 4; Fig. 5 half sine wave; Tj(init) = 25 °C; tp = 8.3 ms Tj junction temperature Static characteristics IGT gate trigger current VD = 12 V; IT = 10 mA; Tj = 25 °C; Fig. 7 Dynamic characteristics dVD/dt rate of rise of off-state voltage VDM = 268 V; Tj = 125 °C; RGK = 1 kΩ; (VDM = 67% of VDRM); exponential waveform; Fig. 12 Min Typ Max Unit - - 400 V - - 0.5 A - - 0.8 A - - 8 A - - 9 A - - 125 °C - 50 200 µA 500 800 - V/µs WeEn Semiconductors BT149D SCR Symbol Parameter Conditions VDM = 268 V; Tj = 125 °C; (VDM = 67% of VDRM); exponential...