ISP847B

Transistor, Photovoltaic Output Optoisolators Overview

The ISP847B is a high-density mounting phototransistor optically coupled isolator manufactured by Isocom Components. It features a four-element configuration housed in a plastic DIP-16 package, providing robust electrical isolation with a maximum insulation voltage of 5300 V. The device supports a wide operating temperature range from -55 °C to 100 °C and includes UL recognition (File No. E91231) and VDE approval. Key electrical characteristics include a minimum collector-emitter breakdown voltage of 35 V, a maximum forward current of 0.05 A, and a maximum dark power of 100 nA.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Four-channel transistor output configuration for separate signal processing
• High-density mounting design suitable for compact circuit layouts
• Robust insulation performance rated at 5300 V
• Compliance with international safety standards including UL and VDE

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial control systems requiring multi-channel isolation
• Programmable logic controller (PLC) input/output modules
• Power supply digital programming interfaces
• Computer and peripheral device data transmission links

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific Current Transfer Ratio (CTR) grade required for the application, as the ISP847 series typically offers multiple CTR bins (e.g., 100%, 200%). Confirm that the 'X' suffix designation aligns with the desired lead form and packaging specifications. Ensure compatibility with the target PCB footprint for the DIP-16 package before finalizing procurement orders.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a quad-channel isolation solution is necessary within a single package to save board space. The phototransistor output is suitable for general-purpose switching applications. Consider the 5300 V isolation rating for high-voltage noise immunity requirements. Verify that the 0.05 A maximum forward current meets the drive capabilities of the source circuitry.

Transistor, Photovoltaic Output Optoisolators Part Context

The ISP847B belongs to the ISP817/ISP827/ISP847 family of high-density optocouplers. This series serves as a direct replacement for legacy components from manufacturers such as Toshiba (TLP), Sharp (SFH), and Panasonic (PS). The family shares common pinouts and mechanical dimensions, facilitating drop-in upgrades for existing designs requiring quad-channel isolation.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Direct replacements include Toshiba TLP627, Sharp SFH628A, and Panasonic PS2505. Verify pinout compatibility and electrical parameters such as CTR and isolation voltage when substituting these equivalent parts.