FODM3011R1

Triac, SCR Output Optoisolators Overview

The onsemi FODM3011R1 is a single-channel optoisolator featuring a Triac output, designed for zero-crossing detection applications. It provides 3750Vrms of isolation voltage between the input and output sections. The device utilizes an LED input and a Triac output configuration to ensure safe switching of AC loads. It operates within a temperature range of -40°C to 85°C. The component is housed in a compact 4-SMD package, facilitating surface-mount assembly. This series is certified under UL1577 and DIN EN/IEC60747-5-5 standards, ensuring compliance with international safety regulations for industrial and consumer electronics.

Triac, SCR Output Optoisolators Feature Summary

• Provides high-voltage electrical isolation between control circuits and AC power lines
• Features internal zero-crossing detection circuitry for reduced electromagnetic interference
• Designed for reliable triggering of Triacs and SCRs in AC switching applications

Triac, SCR Output Optoisolators Applications

• Solid-state relay (SSR) driver circuits
• AC motor speed control systems
• Lighting dimmer controls
• Heater control modules

Triac, SCR Output Optoisolators Procurement Notes

Verify the current manufacturing status before procurement, as this specific part number may be obsolete or discontinued by onsemi. Confirm availability of qualified substitute components that match the required isolation voltage, package type, and functional characteristics. Ensure that any replacement devices meet the same safety certifications and thermal operating ranges specified for the original design requirements.

Triac, SCR Output Optoisolators Selection Notes

Select this component when zero-crossing switching is required to minimize inrush currents and noise in AC applications. Consider the 3750Vrms isolation rating for safety-critical designs. Evaluate the 4-SMD package constraints for PCB layout. Verify that the input forward current capabilities align with the driving logic levels. Check for alternative packages if surface-mount space is limited.

Triac, SCR Output Optoisolators Part Context

The FODM3011R1 belongs to the MOC30 series of optoisolators from onsemi, which are widely used for controlling TRIACs and SCRs. This series is known for its robust isolation capabilities and compatibility with standard logic inputs. The R1 suffix typically indicates a tape-and-reel packaging format suitable for automated surface-mount assembly processes.

Triac, SCR Output Optoisolators Replacement Considerations

Public sources indicate this part is obsolete. Substitutes must offer equivalent 3750Vrms isolation, zero-crossing functionality, and a compatible 4-SMD package. Verify pinout compatibility to ensure direct replacement without PCB redesign.