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 |
|---|---|---|---|---|---|---|---|
![]() H11A1XSMT&R $0.57 | Isocom Components 2004 LTD | OPTOISO 5.3KV 1CH TRANS W/BASE | Tape & Reel (TR),Cut Tape (CT) | - | Surface Mount | H11A | -55°C ~ 100°C |
| Vishay Semiconductor Opto Division | OPTOISO 5.3KV TRANS W/BASE 6-DIP | Tube | 6-DIP | Through Hole | - | -55°C ~ 100°C | |
| Lite-On Inc. | OPTOISO 5KV TRANS W/BASE 6-DIP | Tube | 6-DIP | Through Hole | H11AX | -55°C ~ 100°C | |
| onsemi | OPTOISO 5.3KV TRANS W/BASE 6-DIP | Tube | 6-DIP | Through Hole | - | -55°C ~ 100°C | |
| onsemi | OPTOISO 5.3KV TRANS W/BASE 6-SMD | Tube | 6-SMD | Surface Mount | - | -55°C ~ 100°C | |
| onsemi | OPTOISO 7.5KV TRANS W/BASE 6-SMD | Bulk | 6-SMD | Surface Mount | - | -40°C ~ 100°C | |
| onsemi | OPTOISO 7.5KV TRANS W/BASE 6-SMD | Bulk | 6-SMD | Surface Mount | - | -40°C ~ 100°C | |
![]() H11A2G $0.20 | Isocom Components 2004 LTD | OPTOISO 5.3KV TRANS W/BASE 6-DIP | Tube | 6-DIP | Through Hole | H11A | -55°C ~ 100°C |

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 More
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
Learn the relay definition, coil and contact operation, NO and NC forms, load ratings and suppression choices. Compare mechanical, reed and solid-state types.
Read More
Learn why PTC resistance rises with temperature, how it differs from NTC, and which ratings matter for sensing and protection.
Read More
The global electronics industry is facing an escalating shortage of tantalum capacitors, a critical passive component, as surging demand from AI servers, automotive electronics,…
Read More
Munich, Germany – February 8, 2026 — Infineon Technologies, the German semiconductor giant, officially issued a price increase notice on February 5, announcing that…
Read More
TOKYO — Global leading semiconductor and power electronic components manufacturer Renesas Electronics officially issued a new price adjustment notice in early September 2026, confirming…
Read More
TOKYO, April 15, 2026 – Taiyo Yuden Co., Ltd. (TAIYO YUDEN), a leading global manufacturer of passive electronic components, has officially notified its worldwide…
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
A perfect storm of surging demand and supply chain disruptions is roiling the global electronic components market, with advanced semiconductors and critical materials now…
Read More
Select a bridge rectifier by reverse voltage, capacitor charging current, startup surge and cooling. Work through a stated DC voltage and ripple example.
Read More
Learn what a battery BMS does, how protection differs from charging, and which pack specifications to check when sourcing BMS components through ChipApex.
Read More