IS203SM

Transistor, Photovoltaic Output Optoisolators Overview

The IS203SM is a single-channel transistor output optocoupler manufactured by Isocom Components. It features an infrared LED coupled to an NPN silicon phototransistor in a surface-mount plastic package with six pins. The device provides high isolation voltage of 5300 Vrms and a minimum collector-emitter breakdown voltage of 70 V. It supports a nominal current transfer ratio of 225% and operates within a temperature range of -55 °C to 125 °C. The component is RoHS compliant and UL recognized.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• High isolation voltage capability for safe signal transmission between disparate potentials
• Surface-mount packaging design for efficient board space utilization
• NPN silicon phototransistor output for reliable digital switching applications

Transistor, Photovoltaic Output Optoisolators Applications

• Computer terminal interfaces
• Industrial system controllers
• Signal transmission between systems of different potentials and impedances

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix SM indicates surface mount configuration against official Isocom documentation. Confirm RoHS compliance status and UL recognition details directly from the manufacturer datasheet before integration. Ensure lead pitch and footprint dimensions match the target PCB layout requirements precisely.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high isolation voltage and compact surface-mount form factor are required. Consider the 225% nominal CTR for standard logic interfacing needs. Evaluate thermal management capabilities given the wide operating temperature range up to 125 °C for robust industrial environments.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the IS20* series of high-density phototransistor optically coupled isolators. The series includes variants with different mounting options such as DIP and tape-and-reel configurations. Isocom Components designs these devices to replace standard industry models while offering enhanced electrical performance and reliability.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Cross-reference with other single-channel surface-mount phototransistor optocouplers featuring similar 5300V isolation ratings. Verify pinout compatibility and electrical parameters like CTR and BVCEO against potential substitute components from other manufacturers.