BT169B
BT169B is SCR manufactured by WeEn.
5 September 2018
Product data sheet
1. General description
Planar passivated Silicon Controlled Rectifier with sensitive gate 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 gate circuits and logic ICs
3. Applications
- Ignition circuits
- Lighting ballasts
- Protection circuits
- Switched Mode Power Supplies
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 m A; Tj = 25 °C;
Fig. 7
Dynamic characteristics d VD/dt rate of rise of off-state voltage
VDM = 134 V; Tj = 125 °C; RGK = 1 kΩ; (VDM = 67% of VDRM); exponential waveform; Fig....
