IS204XSMT&R

Transistor, Photovoltaic Output Optoisolators Overview

The IS204XSMT&R is a surface-mount optically coupled isolator manufactured by Isocom Components. It integrates an infrared LED with an NPN silicon phototransistor in a space-efficient dual in-line plastic package. The device features low input current requirements of 0.5mA and a high current transfer ratio with a minimum of 50%. It provides robust electrical isolation with a voltage rating of 5.3kVRMS and 7.5kVPK. The phototransistor output offers a high collector-emitter breakdown voltage (BVCEO) of at least 70V, ensuring reliable signal transmission between systems operating at different potentials and impedances.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Integrates an infrared light emitting diode and an NPN silicon photo transistor within a single compact unit.
• Designed for low input current operation to minimize power consumption during signal transmission.
• Provides high isolation voltage capabilities to safely separate circuits with different potential levels.
• Features a high current transfer ratio to ensure efficient signal coupling from input to output.

Transistor, Photovoltaic Output Optoisolators Applications

• Computer terminals
• Industrial systems controllers
• Signal transmission between systems of different potentials and impedances

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix 'SMT&R' confirms the tape and reel packaging format required for automated assembly processes. Ensure the component matches the standard DIP footprint dimensions despite the surface mount designation. Confirm RoHS compliance status if environmental regulations apply to the final assembly. Cross-reference the manufacturer part number against official Isocom documentation to validate availability and revision history before procurement.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when low input drive current is critical for the control circuit design. The high isolation voltage makes it suitable for applications requiring significant separation between primary and secondary sides. The NPN phototransistor output is appropriate for standard logic interfacing where moderate speed is sufficient. Consider the surface mount package type for PCB space constraints compared to through-hole alternatives.

Transistor, Photovoltaic Output Optoisolators Part Context

This component belongs to the IS204 series of low input current phototransistor optically coupled isolators. The series includes variants such as IS204-1, IS204-2, and IS204-3, which differ primarily in lead spread or package configuration. The IS204X variant specifically denotes the surface mount version, offering a compact solution for modern electronic designs requiring galvanic isolation without occupying excessive board area.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Compatible substitutes include other low-input-current phototransistor optocouplers with similar isolation ratings. Verify that replacement devices maintain the 5.3kVRMS isolation voltage and comparable current transfer ratios. Ensure the pinout and physical dimensions match the existing PCB layout to facilitate direct replacement without redesigning the circuit board.

Transistor, Photovoltaic Output Optoisolators FAQ

What is the minimum current transfer ratio for the IS204XSMT&R?

The device guarantees a minimum current transfer ratio of 50%.

Does the IS204XSMT&R support AC input signals?

No, the datasheet specifies it consists of an infrared LED and NPN phototransistor, typically used for DC signal transmission, unlike AC-input models such as the SFH628A.

What is the maximum collector-emitter breakdown voltage?

The phototransistor has a minimum BVCEO of 70V.