Optocouplers, Isolators & Sensors ICs
Optocouplers, Isolators & Sensor ICs
Whether you're designing motor drive circuits, industrial control systems, high-voltage signal isolation stages, or precision sensing applications, our Optocouplers, Isolators & Sensor ICs collection has the components you need. From high-speed logic output optocouplers to robust digital isolators and advanced motion/attitude sensors, every IC in this range is sourced for quality and reliability. All key parts are available in convenient multi-packs so you can prototype, test, and build at scale — without breaking your budget.
Why Choose Our Optocouplers, Isolators & Sensor ICs?
- Wide selection: Gate drive optocouplers, logic output optocouplers, bidirectional I²C isolators, Hall effect sensors, photoelectric switches, IMU chips, and more.
- Bulk value packs: Most products come in 10-piece packs, ideal for development, production, and spares.
- Industry-standard packages: SOP, DIP, SOIC, LGA, and SO packages for easy board integration.
- Trusted part numbers: ACPL, 6N137, TLP2362, ISO1540D, QMI8658, and many more recognized families.
Featured Products
Explore some of our most popular components in this category:
- 10-Pack ACPL-W314 W340 W341 W343 W346 W349 SOP6 Optocouplers — High-performance SOP6 gate drive optocouplers ideal for IGBT/MOSFET drive circuits and power conversion systems.
- 10pcs 6N137 Logic Output Optocoupler – DIP & SOP Variants — A classic high-speed logic output optocoupler, available in both DIP and SOP packages for maximum flexibility.
- 10pcs ISO1540D SOIC-8 2.5kVrms Bidirectional I2C Isolator IC — Provides robust 2.5kVrms bidirectional isolation for I²C buses, perfect for protecting sensitive microcontrollers in noisy environments.
- 10PCS QMI8658A/C LGA-14 Attitude Sensor Gyroscope IMU Chips — Compact 6-axis IMU chips combining accelerometer and gyroscope for drones, wearables, and robotics.
- 10PCS A1344EUA-T H3144E Hall Effect Sensor IC High Temp — High-temperature-rated Hall effect sensors suitable for automotive, industrial, and harsh-environment applications.
Explore More Categories
Our collection covers the full spectrum of isolation and sensing needs:
- Gate Drive Optocouplers: ACPL-W series SOP6 devices for switching power supplies and motor drives.
- Logic Output Optocouplers: 10pcs TLP2362 SO-5 Logic Output Optocoupler ICs and 6N137 variants for digital signal isolation.
- Digital Isolators: CA-IS3722/3741/3742 and NSI8221N1 series for multi-channel high-speed data isolation.
- Photoelectric Switches & Optical Sensors: IR reflective sensors, photointerrupters, and phototransistor output devices for position, proximity, and motion detection.
- Hall Effect & IMU Sensors: Magnetic field detection and 6-axis inertial measurement for positioning and navigation.
- Photoresistors & Piezo Sensors: SMD light-dependent resistors and piezoelectric disc sensors for light sensing and acoustic applications.
Applications
These ICs are trusted across a broad range of industries and projects:
- Industrial automation and PLC interfaces
- Motor drive and inverter circuits (IGBT/MOSFET gate isolation)
- Medical and safety-critical equipment requiring galvanic isolation
- Automotive sensor systems and high-temperature environments
- Consumer electronics, IoT devices, and robotics
- Power meters, smart energy monitors, and battery management systems
- Drones, wearables, and motion-tracking devices
Learn more: EPA guidance on lithium-ion battery handling
Frequently Asked Questions
Q: What is the difference between an optocoupler and a digital isolator IC?
A: An optocoupler (also called an opto-isolator) uses an LED and a photodetector to transfer signals across an isolation barrier using light, while a digital isolator uses capacitive or magnetic coupling technology. Digital isolators like the CA-IS3722/3741/3742 Series generally offer higher data rates, lower propagation delay, and lower power consumption, whereas optocouplers are often preferred for their proven reliability and simplicity in lower-speed applications.
Q: What types of optocouplers are available in this collection?
A: This collection includes gate drive optocouplers (e.g., ACPL-W314/W340 SOP6 series for IGBT/MOSFET switching), high-speed logic output optocouplers (e.g., 6N137, TLP2362), and phototransistor output optical sensors (e.g., ITR8102, RPI-579N1C). We carry both DIP and surface-mount (SOP/SO) packages to suit through-hole and SMD PCB designs.
Q: Are these ICs suitable for high-voltage or industrial isolation applications?
A: Yes. Many ICs in this collection are rated for significant isolation voltages. For example, the ISO1540D I²C Isolator provides up to 2.5kVrms of galvanic isolation, making it suitable for industrial, medical, and safety-related designs. Always check the individual datasheet for working voltage, creepage, and clearance specifications.
Q: What are Hall effect sensor ICs used for?
A: Hall effect sensor ICs detect the presence and magnitude of magnetic fields. In this collection, devices like the A1344EUA-T / H3144E are used for applications such as brushless motor commutation, current sensing, position detection, speed measurement, and proximity switching — even in high-temperature environments found in automotive and industrial systems.
Q: Why buy component ICs in 10-piece packs?
A: Purchasing in 10-piece packs provides a cost-effective solution for prototyping, small-batch production, and maintaining a reliable spare inventory. It minimizes per-unit cost while giving you enough components to handle rework, testing, and minor production runs without having to reorder frequently.
