Triac and SCR output optoisolators allow bi-directional or unidirectional control of an AC (alternating current) source while providing isolation between the control and load circuits. An LED is optically coupled to a photodiode in a single device package. The photodiode controls the gate of the Triac or SCR and may include zero cross circuity. These optoisolators are selected by on-state current, forward voltage, turn on time, and mounting type.
Part # | Manufacturer | Description | Availability | Pricing | Quantity |
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![]() S12ME1FYTriac, SCR Output Optoisolators | Sharp Microelectronics | OPTOISOLATOR 4KV SCR 6DIP | In Stock | - | |
S21ME8FYTriac, SCR Output Optoisolators | Sharp Microelectronics | OPTOISOLATOR 5KV TRIAC 6DIP | 690 | 1+: $0.99000 10+: $0.81100 100+: $0.71000 1000+: $0.66686 | |
S21ME8YTriac, SCR Output Optoisolators | Sharp Microelectronics | OPTOISOLATOR 5KV TRIAC 6DIP | 1830 | 1+: $0.84500 10+: $0.73990 100+: $0.69494 1000+: $0.68493 | |
![]() S22MD3Triac, SCR Output Optoisolators | Sharp Microelectronics | OPTOISOLATOR 2.5KV SCR 8DIP | In Stock | - | |
![]() S2S3Triac, SCR Output Optoisolators | Sharp Microelectronics | OPTOISOLATOR 3.75KV TRIAC 4SMD | 6688 | 110+: $0.51240 265+: $0.42030 405+: $0.40710 560+: $0.39390 720+: $0.38180 965+: $0.34240 | |
![]() S2S3LYTriac, SCR Output Optoisolators | Sharp Microelectronics | OPTOISOLATOR 3.75KV TRIAC 4SMD | In Stock | - | |
![]() S2S3YTriac, SCR Output Optoisolators | Sharp Microelectronics | OPTOISOLATOR 3.75KV TRIAC 4SMD | In Stock | - | |
![]() S2S4Triac, SCR Output Optoisolators | Sharp Microelectronics | OPTOISOLATOR 3.75KV TRIAC 4SMD | 4982 | 50+: $1.19820 115+: $0.98320 175+: $0.95240 240+: $0.92170 310+: $0.89100 415+: $0.79880 | |
![]() S2S4LYTriac, SCR Output Optoisolators | Sharp Microelectronics | OPTOISOLATOR 3.75KV TRIAC 4SMD | 6568 | 8+: $7.75310 18+: $6.36190 27+: $6.16220 37+: $5.96350 48+: $5.76500 64+: $5.16910 | |
![]() S2S5ATriac, SCR Output Optoisolators | Sharp Microelectronics | OPTOISOLATOR 3.75KV TRIAC 4SMD | 2377 | 110+: $0.50470 265+: $0.41430 415+: $0.40130 570+: $0.38840 735+: $0.37540 980+: $0.33660 | |
![]() S2S3Y00FTriac, SCR Output Optoisolators | Sharp Microelectronics | OPTOISOLATOR 3.75KV TRIAC 4SMD | In Stock | - | |
![]() S2S4000FTriac, SCR Output Optoisolators | Sharp Microelectronics | OPTOISOLATOR 3.75KV TRIAC 4SMD | In Stock | - | |
PC3SG11YIZ0FTriac, SCR Output Optoisolators | Sharp Microelectronics | OPTOISOLATOR 3.75KV TRIAC 4SMD | In Stock | - | |
PC3SG21YIZ0FTriac, SCR Output Optoisolators | Sharp Microelectronics | OPTOISOLATOR 3.75KV TRIAC 4SMD | In Stock | - | |
PC3SD21YXZCFTriac, SCR Output Optoisolators | Sharp Microelectronics | OPTOISOLATOR 5KV TRIAC 6SMD | In Stock | - | |
![]() PC3SD21YTZDFTriac, SCR Output Optoisolators | Sharp Microelectronics | OPTOISOLATOR 5KV TRIAC 6DIP | In Stock | - | |
PC3SD21NXZCFTriac, SCR Output Optoisolators | Sharp Microelectronics | OPTOISOLATOR 5KV TRIAC 6SMD | In Stock | - | |
![]() PC3SD21NTZCFTriac, SCR Output Optoisolators | Sharp Microelectronics | OPTOISOLATOR 5KV TRIAC 6DIP | 1278 | 90+: $0.62100 220+: $0.50910 335+: $0.49380 460+: $0.47730 595+: $0.46200 800+: $0.41360 | |
PC3SD12NXZAFTriac, SCR Output Optoisolators | Sharp Microelectronics | OPTOISOLATOR 5KV TRIAC 6SMD | In Stock | - | |
![]() PC4SD21NTZCFTriac, SCR Output Optoisolators | Sharp Microelectronics | OPTOISOLATOR 5KV TRIAC 6DIP | 10311 | 7+: $8.53880 16+: $7.00600 25+: $6.78650 34+: $6.56810 44+: $6.34870 58+: $5.69250 | |
![]() PC4SD11NTZBFTriac, SCR Output Optoisolators | Sharp Microelectronics | OPTOISOLATOR 5KV TRIAC 6DIP | In Stock | - | |
![]() PC3SD12NTZAFTriac, SCR Output Optoisolators | Sharp Microelectronics | OPTOISOLATOR 5KV TRIAC 6DIP | In Stock | 1+: $0.47858 10+: $0.38916 50+: $0.34445 100+: $0.29674 500+: $0.27051 1000+: $0.25575 | |
![]() S2S4B00FTriac, SCR Output Optoisolators | Sharp Microelectronics | OPTOISOLATOR 3.75KV TRIAC 4SMD | In Stock | - | |
![]() S2S3LB0FTriac, SCR Output Optoisolators | Sharp Microelectronics | OPTOISOLATOR 3.75KV TRIAC 4SMD | 8702 | 80+: $0.71640 190+: $0.58790 290+: $0.56940 400+: $0.55120 515+: $0.53280 690+: $0.47770 | |
![]() S2S3B00FTriac, SCR Output Optoisolators | Sharp Microelectronics | OPTOISOLATOR 3.75KV TRIAC 4SMD | In Stock | - |