ISOM8118DFGR

Transistor, Photovoltaic Output Optoisolators Overview

The ISOM8118DFGR is a single-channel transistor output optocoupler from Texas Instruments, housed in an SOIC-4 surface-mount package. It features a phototransistor output with a typical current transfer ratio of 440%, ranging from 375% to 560%. The device supports a maximum forward current of 50 mA and a collector current of 50 mA, with a maximum collector-emitter voltage of 80 V. Insulation voltage is rated at 3750 Vrms. Electrical characteristics include a rise time of 3.2 us and a fall time of 4 us. Power dissipation is 290 mW, operating within a temperature range of -55 C to +125 C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides galvanic isolation via optical transmission between input and output circuits.
• Utilizes a phototransistor output stage for signal switching applications.
• Designed for high-speed digital communication with defined rise and fall times.

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial automation control systems
• Power supply feedback loops
• Signal isolation in microcontroller interfaces

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix DFGR against official datasheets to confirm insulation ratings and packaging details. Ensure compliance with RoHS standards and humidity sensitivity levels prior to integration. Cross-reference manufacturer part numbers to avoid substitution errors in production lines.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a single-channel isolation barrier is required with moderate speed requirements. Consider the 3750 Vrms insulation rating for safety-critical designs. Evaluate thermal management needs given the 290 mW power dissipation limit in compact SOIC-4 packages.

Transistor, Photovoltaic Output Optoisolators Part Context

This device belongs to the ISOM811x series of single-channel optoemulators. It serves as a pin-compatible replacement for many traditional optocouplers, offering comparable functionality in a smaller footprint. The series emphasizes reliability and performance for industrial and automotive-grade applications requiring robust signal isolation.

Transistor, Photovoltaic Output Optoisolators FAQ

What is the maximum insulation voltage for the ISOM8118DFGR?

The maximum insulation voltage is 3750 Vrms.

Does the ISOM8118DFGR meet automotive qualification standards?

No, the ISOM8118DFGR is not AEC-Q100 qualified; the automotive variant is designated as ISOM8118DFGRQ1.