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 |
|---|---|---|---|---|---|---|---|
![]() H11AA4SR2VM $1.02 | onsemi | OPTOISO 4.17KV TRANS W/BASE 6SMD | Tape & Reel (TR),Cut Tape (CT) | 6-SMD | Surface Mount | - | -40°C ~ 100°C |
![]() H11AA4SVM $0.29 | onsemi | OPTOISO 4.17KV TRANS W/BASE 6SMD | Bulk,Bulk | 6-SMD | Surface Mount | - | -40°C ~ 100°C |
![]() H11AA4SVM $0.26 | Fairchild Semiconductor | OPTOISO 4.17KV TRANS W/BASE 6SMD | Bulk | 6-SMD | Surface Mount | - | -40°C ~ 100°C |
| onsemi | OPTOISO 4.17KV TRANS W/BASE 6DIP | Bulk | 6-DIP | Through Hole | - | -40°C ~ 100°C | |
![]() H11AA4VM $0.75 | onsemi | OPTOISO 4.17KV TRANS W/BASE 6DIP | Bulk | 6-DIP | Through Hole | - | -40°C ~ 100°C |
| onsemi | OPTOISO 5.3KV TRANS W/BASE 6-DIP | Tube | 6-DIP | Through Hole | - | -55°C ~ 100°C | |
![]() H11AA4X $0.74 | Isocom Components 2004 LTD | OPTOISO 5.3KV TRANS W/BASE 6-DIP | Tube | 6-DIP | Through Hole | - | -30°C ~ 100°C |
![]() H11AA4XG $0.78 | Isocom Components 2004 LTD | OPTOISO 5.3KV TRANS W/BASE 6-DIP | Tube | 6-DIP | Through Hole | H11A | -30°C ~ 100°C |

An RF IC, or radio-frequency integrated circuit, is a chip that processes wireless signals between the antenna and the baseband processor. Instead of building…
Read More
WILMINGTON, Mass. – August 11, 2026 — Analog Devices, Inc. (NASDAQ: ADI), the global leading supplier of high-performance analog, mixed-signal and digital signal processing…
Read More
Munich, Germany – May 26, 2026 – Power semiconductor and automotive chip giant Infineon Technologies AG has formally notified customers worldwide of a second…
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
Selecting the right microcontroller (MCU) isn’t just about specs—it’s about balancing performance, power, cost, and supply chain reliability. As an engineer, you’ve probably faced…
Read MoreMay 8, 2026 – Eindhoven, Netherlands NXP Semiconductors (NXPI), a global leader in automotive and industrial semiconductor solutions, has officially notified its worldwide channel…
Read MoreMay 4, 2026 — The global power semiconductor market is grappling with a worsening supply crunch, as lead times for key components have extended…
Read More
The multilayer ceramic capacitor (MLCC) market has fallen into a severe structural supply crunch in the third quarter of 2026, driven by explosive demand…
Read More
Understand tactile switches, PCB and keyboard differences, four-pin wiring, debounce, force, travel and replacement checks for reliable control inputs.
Read More
Compare thermistors, RTDs, thermocouples and temperature ICs. Learn how range, accuracy, response, interfaces and mounting affect component selection.
Read MoreLas Vegas, January 6, 2026 — At the Consumer Electronics Show (CES) 2026, Texas Instruments (TI) (NASDAQ: TXN) announced a suite of next-generation semiconductor…
Read More
In the vast landscape of memory technology, EEPROM (Electrically Erasable Programmable Read-Only Memory) often plays the unsung hero. While NAND Flash grabs headlines for…
Read More