2N4987 and 2N4990 (IP057E)

Unilateral switch (SUS) with 8 V of trigger voltage. This component is used to control SCRs and other applications.

Triac Power Switch (CB11918E)
This circuit is used for incandescent lamps and other resistive loads up to 3A using the TIC206. This...
Sinusoidal and Cosine Oscillator (CB15069E)
This circuit generates complementary sinusoidal signals in frequency determined by C1 and C2. For...
SCR phototransistor trigger (CB15708E)
The circuit in the figure is suggested by Texas Instruments to trigger a sensitive SCR from a...