HCPL-4502

Transistor, Photovoltaic Output Optoisolators Overview

The HCPL-4502 is a single-channel high-speed optocoupler featuring a diode-transistor architecture. It provides electrical isolation via an insulating layer between the input LED and integrated photodetector. Key parameters include a data rate of 1 Mb/s, insulation voltage of 3750 Vrms, and output type as phototransistor. The device operates with a forward current of 16 mA, forward voltage of 1.5 V, and reverse voltage of 5 V. Output current is 8 mA with power dissipation of 100 mW. Current transfer ratio is 25%. Operating temperature range is 0°C to +70°C. Package is PDIP-8.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Diode-transistor architecture reduces base-collector capacitance for high-speed operation
• Integrated photodetector provides electrical insulation between input and output
• Single channel configuration for isolated signal transmission

Transistor, Photovoltaic Output Optoisolators Applications

• High-speed digital signal isolation
• Industrial communication interfaces
• Power supply feedback loops

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify RoHS compliance status as sources indicate conflicting information (N vs Detailed). Confirm package variant (PDIP-8 vs Gull Wing) matches design requirements. Check lead-free designation suffix if required. Ensure operating temperature range meets application needs. Validate manufacturer authenticity through authorized channels.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select based on required data rate and isolation voltage. Consider package type for PCB layout constraints. Verify current transfer ratio sufficiency for load requirements. Check temperature range compatibility with environment. Compare with similar models like HCPL-4503 for inverted logic options.

Transistor, Photovoltaic Output Optoisolators Part Context

Part of Broadcom HCPL series high-speed optocouplers. Shares architectural similarities with HCPL-4503 but differs in logic output polarity. Available in multiple package configurations including standard DIP and widebody variants. Designed for applications requiring fast switching speeds and reliable galvanic isolation.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

HCPL-4503 offers complementary logic output. HCNW4502 provides surface mount widebody option with higher isolation voltage. Verify pinout compatibility before substitution. Check parameter differences in speed and isolation ratings.