LDA203

Transistor, Photovoltaic Output Optoisolators Overview

The LDA203 is a dual unidirectional-input optocoupler featuring single-transistor outputs. It provides electrical isolation with a rated voltage of 3750Vrms between input and output channels. The device supports a current transfer ratio ranging from 33% to 1000%, with a typical value of 300%. It operates within a temperature range of -40°C to +85°C and has a power dissipation rating of 150 mW. The reverse voltage specification is 5 V. The component is housed in an 8-DIP package.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Dual channel configuration with unidirectional inputs
• Single-transistor output architecture for signal isolation
• High isolation voltage rating of 3750Vrms
• Wide current transfer ratio range up to 1000%

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial control systems requiring galvanic isolation
• Signal transmission across isolated circuit boundaries
• Data communication interfaces needing noise immunity

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific datasheet revision and moisture sensitivity level (MSL) classification prior to procurement. Ensure that the 8-DIP package dimensions align with the target PCB footprint. Confirm compliance with relevant environmental standards such as RoHS and REACH requirements for the intended market. Cross-reference the manufacturer part number to avoid confusion with similar series components.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when dual-channel isolation with high current transfer efficiency is required. Consider the 3750Vrms isolation capability for safety-critical applications. Evaluate the 150 mW power dissipation limit against thermal management constraints. The wide CTR range offers flexibility in drive circuit design compared to fixed-ratio alternatives.

Transistor, Photovoltaic Output Optoisolators Part Context

The LDA203 belongs to the family of photovoltaic and transistor-output optoisolators manufactured by IXYS Integrated Circuits Division. It serves as a solution for isolating low-voltage control signals from higher-voltage or noisy load circuits. The device complements other optocouplers in the portfolio by offering dual-channel functionality in a standard DIP package.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing designs before considering alternative manufacturers or pin-compatible devices.