ISP827BLSM

Overview

The ISP827BLSM is a high-density phototransistor optically coupled isolator manufactured by Isocom Components. It features a dual-channel configuration housed in a plastic DIP-8 package, providing robust electrical isolation with a maximum insulation voltage of 5300 V. The device operates within a temperature range of -55°C to +100°C and includes UL recognition (File No. E91231) and VDE approval under standard 0884. Key electrical specifications include a minimum collector-emitter breakdown voltage of 35 V, a maximum forward current of 0.05 A, and a nominal current transfer ratio of 200%.

Feature Summary

• Dual-channel transistor output design for separate signal isolation.
• High-voltage insulation capability up to 5300 Vrms.
• Compliance with international safety standards including UL and VDE.
• Wide operating temperature range suitable for demanding environments.

Applications

• Logic-to-logic isolation in noisy industrial environments.
• Line receiver circuits requiring galvanic separation.
• Programmable current level sensing applications.
• Digital control interfaces for computer peripherals.

Procurement Notes

Verify component authenticity through official manufacturer channels or authorized distributors. Confirm that the specific suffix 'BLXG' or 'BLSM' matches the required lead form and packaging specifications documented in the datasheet. Ensure compliance with RoHS directives and relevant EU environmental regulations before integration into final assemblies.

Selection Notes

Select this component when dual-channel isolation is required within a compact DIP-8 footprint. The high insulation voltage rating makes it suitable for applications demanding significant potential difference between input and output circuits. Consider the nominal current transfer ratio and operating temperature limits to ensure compatibility with the target circuit's performance requirements.

Part Context

This part belongs to the ISP817/ISP827/ISP847 series of high-density mounting phototransistor optically coupled isolators from Isocom Components. The series is designed as a replacement for legacy components, offering modern manufacturing standards while maintaining compatibility with established industry pinouts and electrical characteristics for seamless circuit upgrades.

Replacement Considerations

Public confirmed substitute part numbers are not provided in the available documentation. Verify direct compatibility with existing designs by comparing pinout configurations, electrical parameters, and mechanical dimensions against original equipment manufacturer specifications before substitution.