ISP844

Transistor, Photovoltaic Output Optoisolators Overview

The ISP844 is a single-channel phototransistor output optocoupler manufactured by Isocom Components. It features a high-density mounting design with an isolation voltage of 5300 Vrms. The device operates within a temperature range of -55°C to 100°C and supports a maximum forward current of 50 mA. Key electrical parameters include a typical rise time of 4 μs, a typical fall time of 3 μs, and a collector-emitter breakdown voltage of at least 35 V. The unit is UL recognized under file number E91231.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides high-voltage electrical isolation between input and output circuits for safety compliance.
• Utilizes a phototransistor output configuration for signal transmission across isolated barriers.
• Designed for high-density mounting applications to optimize printed circuit board space.

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial control systems requiring galvanic isolation
• Power supply feedback loops
• Solid-state relay driver circuits

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific package variant (e.g., DIP-4) against the datasheet before ordering. Confirm that the required isolation voltage rating meets the system's safety standards. Ensure the operating temperature range aligns with the environmental conditions of the target application. Cross-reference the manufacturer part number to avoid confusion with similar series components.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a single channel with phototransistor output is required for moderate-speed signal isolation. Consider the 5300 Vrms isolation rating for high-voltage separation needs. Evaluate the thermal performance within the specified -55°C to 100°C range. Compare propagation delays against the system timing requirements to ensure adequate response speed.

Transistor, Photovoltaic Output Optoisolators Part Context

The ISP844 belongs to the ISP series of high-density mounting phototransistor optically coupled isolators from Isocom Components. This series is characterized by compact packaging options suitable for space-constrained designs. The product line includes various channel configurations and output types to support diverse isolation requirements in electronic circuits.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

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