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Product Detailed Parameters
- Description：OPTOISOLATOR 5KV 1CH TRANS 8-DIP
- Series：NEPOC
- Mfr：Renesas Electronics Corporation
- Package：Tube
- Number of Channels：1
- Voltage - Isolation：5000Vrms
- Current Transfer Ratio (Min)：15% @ 16mA
- Current Transfer Ratio (Max)：-
- Turn On / Turn Off Time (Typ)：220ns, 350ns
- Rise / Fall Time (Typ)：-
- Input Type：DC
- Output Type：Transistor
- Voltage - Output (Max)：35V
- Current - Output / Channel：8mA
- Voltage - Forward (Vf) (Typ)：1.7V
- Current - DC Forward (If) (Max)：25 mA
- Vce Saturation (Max)：-
- Operating Temperature：-55°C ~ 100°C
- Mounting Type：Through Hole
- Package / Case：8-DIP (0.300", 7.62mm)
- Supplier Device Package：8-DIP
- Grade：-
- Qualification：-
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Overview
The PS8502-AX is a high-speed optocoupler manufactured by Renesas Electronics Corporation. It features an 8-pin DIP package and supports a data rate of 1 MB/s. The device provides an insulation voltage of 5000 Vrms and utilizes a photo IC output type. Key electrical parameters include a forward current of 16 mA, a forward voltage of 1.7 V, and a reverse voltage of 5 V. The output current capability is 8 mA with a current transfer ratio of 15%. Power dissipation is rated at 100 mW, and the operating temperature range spans from -55°C to +100°C.
Feature Summary
- High-speed signal transmission capability for digital isolation applications
- Robust electrical isolation with high insulation voltage rating
- Integrated photo IC output for efficient interface driving
Applications
- Industrial communication interfaces requiring galvanic isolation
- Power supply control circuits for noise immunity
- Microcontroller input/output isolation in embedded systems
Procurement Notes
Verify the specific suffix (e.g., L1, L2) against the datasheet to ensure compatibility with required packaging or lead frame materials. Confirm RoHS compliance status through official Renesas documentation before integration. Check for any recent lifecycle notices regarding obsolescence or design-in restrictions. Ensure the selected variant matches the intended thermal and mechanical constraints of the final assembly process.
Selection Notes
Select this component when high-speed digital isolation is required within a standard DIP footprint. Consider the 1 MB/s data rate limit for signal integrity requirements. Evaluate the 5000 Vrms isolation barrier against system safety standards. Compare power dissipation limits with available PCB copper area for thermal management. Ensure the input current requirements align with the driving logic levels of the source circuit.
Part Context
This part belongs to the PS8502 series of high-speed optocouplers from Renesas Electronics. The series is designed for applications demanding fast switching speeds and reliable electrical isolation between low-voltage control circuits and higher-voltage power stages. It serves as a critical interface component in systems where ground loops must be eliminated and signal integrity maintained across isolation barriers.
Replacement Considerations
Consult official Renesas cross-reference guides for verified substitutes. Verify pinout compatibility and isolation voltage ratings before substitution. Ensure replacement parts meet the same data rate and temperature specifications.
