IL251-X009T

Transistor, Photovoltaic Output Optoisolators Overview

The IL251-X009T is a single-channel optocoupler manufactured by Vishay Semiconductor Opto Division. It features a transistor output with base connection and provides 5300Vrms isolation voltage. The device operates within a temperature range of -55°C to +100°C. Key electrical parameters include a maximum forward current of 60 mA, a typical forward voltage of 1.5 V, and a minimum current transfer ratio of 20%. The component is housed in a 6-SMD package.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Single-channel configuration with transistor output including base connection for enhanced control capabilities
• High insulation voltage rating of 5300Vrms ensuring robust electrical isolation between input and output circuits
• Wide operating temperature range supporting functionality from -55°C to +100°C for diverse environmental conditions

Transistor, Photovoltaic Output Optoisolators Applications

• General purpose signal isolation in industrial control systems
• Interface circuits requiring high voltage isolation between low voltage logic and higher voltage loads
• Power supply feedback loops where galvanic isolation is required for safety compliance

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the obsolete status of this component before procurement planning. Confirm availability through authorized distributors or surplus channels as standard production may be discontinued. Ensure that any substitute components meet the same isolation voltage and pinout requirements to maintain system integrity without redesigning the circuit board layout.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a single-channel isolation solution with a base-connected phototransistor is required. The 5300Vrms isolation rating makes it suitable for applications demanding high safety margins. Consider the 20% minimum CTR for driving sensitivity requirements and ensure the SMD package fits the available PCB space constraints compared to through-hole alternatives.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the IL251 series of optocouplers from Vishay. It is designed for general-purpose isolation tasks. The X009T suffix typically indicates specific packaging or tape-and-reel configuration details consistent with Vishay's surface-mount product lines. It serves as a compact alternative to traditional DIP packages while maintaining similar electrical performance characteristics.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Public confirmed substitute part numbers are not provided in the source data. Due to the obsolete status, verify equivalent specifications such as isolation voltage, CTR, and package dimensions when selecting replacement components from other manufacturers.