MCT9001S

Transistor, Photovoltaic Output Optoisolators Overview

The MCT9001S is a dual-channel optocoupler manufactured by onsemi, featuring DC input and NPN phototransistor outputs. It utilizes an 8-SMD gull-wing package for surface-mount applications. The device provides a high isolation voltage of 5000 Vrms, ensuring robust signal transmission across isolated circuits. Key electrical parameters include a maximum collector-emitter voltage of 55V per channel and a peak forward current rating of 60 mA. The typical rise and fall times are specified at 2.4 µs, with turn-on and turn-off times of 3 µs. The Current Transfer Ratio ranges from 50% to 600% at a forward current of 5 mA.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Dual-channel configuration providing independent signal isolation within a single compact package
• High insulation capability rated at 5000 Vrms for safe operation in high-voltage environments
• Fast switching performance with typical rise and fall times of 2.4 microseconds
• Wide operating temperature range supporting industrial and commercial thermal conditions

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial automation control systems requiring galvanic isolation
• Signal transmission between microcontrollers and power stages
• Communication interfaces needing noise immunity and circuit separation
• Power supply feedback loops for voltage regulation and monitoring

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix designation (e.g., S vs. SD) against the official datasheet to confirm the exact package variant and reel specifications. Ensure compatibility with surface-mount assembly processes. Confirm RoHS compliance status as required by project regulations. Cross-reference pinout diagrams with PCB layout designs to prevent orientation errors during installation.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when dual-channel isolation is required in a space-constrained surface-mount design. Consider the 5000 Vrms isolation rating for safety-critical applications. Evaluate the 55V output voltage limit against load requirements. Assess the 2.4 µs switching speed suitability for the target data rate. Compare CTR specifications to ensure adequate drive capability for downstream logic levels.

Transistor, Photovoltaic Output Optoisolators Part Context

This device belongs to the MCT series of optocouplers from onsemi, designed for general-purpose isolation tasks. It complements through-hole variants like the MCT6 by offering a compact surface-mount footprint. The series emphasizes reliability and electrical safety standards for modern electronic equipment.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

The MCT9001SD is listed as a parameter-equivalent alternative by the manufacturer. Verify pinout compatibility and package dimensions before substitution. Ensure replacement parts meet the same isolation voltage and switching speed requirements.

Transistor, Photovoltaic Output Optoisolators FAQ

What is the maximum isolation voltage rating for the MCT9001S?

The MCT9001S supports an isolation voltage of 5000 Vrms.

Does the MCT9001S support AC or DC input signals?

The device is designed for DC input signals only.

What is the typical switching speed of the MCT9001S?

The typical rise and fall times are 2.4 µs, with turn-on and turn-off times of 3 µs.