ISP321-1

Transistor, Photovoltaic Output Optoisolators Overview

The ISP321-1 is a high-density mounting phototransistor optically coupled isolator manufactured by Isocom Components. It features a single channel configuration with a phototransistor output device type. The component provides electrical isolation with a maximum insulation voltage of 5300 Vrms. It operates within a temperature range from -55 °C to 100 °C and supports a maximum forward current of 50 mA. The unit is housed in a plastic DIP-8 package and complies with RoHS standards.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• High-density surface mount design for compact circuit board layouts
• Phototransistor output for logic interface applications
• Hermetically sealed ceramic or plastic packaging options available depending on suffix

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial control systems requiring galvanic isolation
• Signal transmission between isolated ground domains
• Logic interface circuits in harsh environments

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific ordering suffix to confirm package material (ceramic vs. plastic) and termination style. Confirm IECQ-CECC certification status if military or aerospace qualification is required. Check for hermetic sealing requirements against standard commercial grade variants. Ensure compatibility with automated assembly processes for high-density mounting types.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high isolation voltage and small footprint are critical. Compare current transfer ratio specifications against load requirements. Consider thermal derating curves for operation near the maximum junction temperature. Verify pinout compatibility with existing PCB footprints before integration.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the ISP321 series of high-density phototransistor optocouplers. It shares functional similarities with other single-channel isolators but distinguishes itself through its specific mounting profile and isolation ratings. It is designed to replace legacy through-hole components in space-constrained designs.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Direct substitutes include ISP321-1X for plastic DIP versions. Verify pin-to-pin compatibility with equivalent offerings from other manufacturers only if datasheet parameters match exactly.