MOC8103

Transistor, Photovoltaic Output Optoisolators Overview

The MOC8103 is a single-channel optically coupled isolator featuring an infrared LED and NPN silicon phototransistor. It utilizes a standard 6-pin dual in-line plastic package with the base pin unconnected to minimize noise susceptibility. The device provides high isolation voltage of 5300 Vrms and operates within a temperature range of -55 °C to 100 °C. Key electrical parameters include a maximum forward current of 60 mA, a minimum current transfer ratio of 50%, and a collector-emitter breakdown voltage of 70 V.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• High isolation voltage capability for safe potential separation
• Unconnected base pin design reduces noise susceptibility
• Narrow current transfer ratio window ensures predictable open-loop gain

Transistor, Photovoltaic Output Optoisolators Applications

• Switchmode power supply feedback control
• AC line and digital logic isolation
• Interfacing systems with different potentials and impedances

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm compliance with UL recognition (File No. E91231) and VDE 0884 standards if required by application specifications. Ensure proper handling procedures are followed during storage and assembly to maintain device integrity.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when narrow CTR variation is critical for stable loop gain in power supply designs. The unconnected base configuration offers superior noise immunity compared to connected-base alternatives. Verify that the 6-pin DIP package fits the target PCB layout constraints before finalizing the selection.

Transistor, Photovoltaic Output Optoisolators Part Context

The MOC8103 belongs to a series of non-base lead optically coupled isolators designed for robust performance in industrial applications. Manufactured by Isocom Components, it aligns with industry-standard pinouts for easy replacement in existing circuits. The series emphasizes consistent unit-to-unit performance through tightly controlled manufacturing processes.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Compatible substitutes include MOC8101, MOC8102, MOC8104, and MOC8105 from various manufacturers such as Motorola and Fairchild Semiconductor. These devices share identical pin configurations and functional characteristics, allowing for direct interchangeability in most power supply and isolation applications.