SEARCH
— IC芯片 | 连接器 | 传感器 | 被动器件 —

Optoisolators, also referred to as optical couplers, photocouplers, and optocouplers, are devices that use light to transmit electrical signals to isolated circuits. Output types include logic, transistor, photovoltaic, triac, and SCR.
| Select products | Mfr | Description | Package | Supplier Device Package | Mounting Type | Series | Operating Temperature |
|---|---|---|---|---|---|---|---|
![]() FOD4118S $4.20 | onsemi | OPTOISOLATOR 5KV TRIAC 1CH 6-SMD | Tube | 6-SMD | Surface Mount | - | -55°C ~ 100°C |
![]() FOD4118SD $3.59 | onsemi | OPTOISOLATOR 5KV TRIAC 1CH 6-SMD | Tape & Reel (TR),Cut Tape (CT) | 6-SMD | Surface Mount | - | -55°C ~ 100°C |
![]() FOD4118SDV $4.17 | onsemi | OPTOISOLATOR 5KV TRIAC 1CH 6-SMD | Tape & Reel (TR),Cut Tape (CT) | 6-SMD | Surface Mount | - | -55°C ~ 100°C |
![]() FOD4118SV $3.59 | onsemi | OPTOISOLATOR 5KV TRIAC 1CH 6-SMD | Bulk | 6-SMD | Surface Mount | - | -55°C ~ 100°C |
![]() FOD4118T $1.65 | onsemi | OPTOISOLATOR 5KV TRIAC 1CH 6-DIP | Bulk | 6-DIP | Through Hole | - | -55°C ~ 100°C |
![]() FOD4118TV $2.87 | onsemi | OPTOISOLATOR 5KV TRIAC 1CH 6-DIP | Bulk | 6-DIP | Through Hole | - | -55°C ~ 100°C |
![]() FOD4118V $1.72 | Fairchild Semiconductor | OPTOISOLATOR 5KV TRIAC 1CH 6-DIP | Bulk | 6-DIP | Through Hole | - | -55°C ~ 100°C |
![]() FOD420 $3.48 | onsemi | OPTOISOLATOR 5KV TRIAC 1CH 6-DIP | Tube | 6-DIP | Through Hole | - | -55°C ~ 100°C |

In embedded design, the tug-of-war between cost and performance is constant. On one side, you have Microcontrollers (MCUs)—cheap, simple, and efficient. On the other,…
Read More
As the backbone of modern technology, electronic components are undergoing revolutionary changes, driven by advancements in materials science, miniaturization, and smart manufacturing. From ultra-efficient…
Read More
Recently, a survey by the Electronic Components Industry Association (ECIA) revealed that the sales sentiment of global electronic components remained optimistic in the third…
Read More
Choose tactile switches by operating force, travel, actuator height, footprint and lifetime. Check debounce, sealing and the assembled button mechanism.
Read More
Understand how oscillators generate timing signals, how they differ from crystals, and which frequency, output and stability specs matter when choosing one.
Read MoreSANTA CLARA, Calif. — Leading semiconductor solution provider Marvell Technology (NASDAQ: MRVL) officially rolled out a selective price adjustment for its core electronic component…
Read More-768x745.jpg)
CHICAGO, USA – May 27, 2026 – Global leading interconnect manufacturer Molex officially issued a global distributor price adjustment notice on May 27, confirming…
Read More
ChipApex – May 8, 2026 Texas Instruments (TI), the global leader in analog and embedded semiconductors, has officially notified customers of an upcoming company-wide…
Read More
Tokyo / Munich / Tessenderlo, December 24, 2025As the global semiconductor industry enters the first year of the 2nm process era, international electronic component…
Read More
In an era dominated by AI accelerators with terabytes of HBM memory and consumer devices racing toward LPDDR5X bandwidth, it’s easy to wonder: why…
Read More
STMicroelectronics (ST), a global leader in semiconductor manufacturing, has officially notified customers of a new round of price increases for selected products, set to…
Read More
Compare SPST and SPDT toggle switches, understand AC/DC ratings, and follow wiring examples. Check contact action, mounting and parts in the ChipApex catalog.
Read More