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Product Detailed Parameters
- Description：OPTOISOLATOR 5KV 1CH TRANS 4-DIP
- Series：NEPOC
- Mfr：Renesas Electronics Corporation
- Package：Tube
- Number of Channels：1
- Voltage - Isolation：5000Vrms
- Current Transfer Ratio (Min)：80% @ 5mA
- Current Transfer Ratio (Max)：400% @ 5mA
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：3µs, 5µs
- Input Type：DC
- Output Type：Transistor
- Voltage - Output (Max)：80V
- Current - Output / Channel：50mA
- Voltage - Forward (Vf) (Typ)：1.17V
- Current - DC Forward (If) (Max)：80 mA
- Vce Saturation (Max)：300mV
- Operating Temperature：-55°C ~ 100°C
- Mounting Type：Through Hole
- Package / Case：4-DIP (0.400", 10.16mm)
- Supplier Device Package：4-DIP
- Grade：-
- Qualification：-
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Overview
The PS2581L1-A is a single-channel transistor output optocoupler manufactured by Renesas Electronics Corporation. It features an NPN phototransistor output and provides high isolation voltage of 5000Vrms. The device supports a maximum collector-emitter voltage of 80V and a maximum collector current of 50mA. It operates within a temperature range of -55°C to +100°C. The component is housed in a 4-DIP package with a pitch of 0.400 inches (10.16mm). Current transfer ratio ranges from 80% to 400% at 5mA input current.
Feature Summary
- High isolation voltage capability for safe signal transmission between isolated circuits
- NPN phototransistor output configuration for digital switching applications
- Wide operating temperature range suitable for industrial environments
- Lead-free construction compliant with RoHS standards
Applications
- Industrial control systems requiring galvanic isolation
- Signal transmission between microcontrollers and peripheral devices
- Power supply feedback loops for voltage regulation
- Solid-state relay driver circuits
Procurement Notes
Verify the specific suffix 'A' against the manufacturer's latest datasheet to confirm pinout and electrical characteristics, as suffixes can indicate variations in packaging or compliance status. Confirm availability status, as this part may be marked as not recommended for new designs. Ensure the supplier provides original manufacturer documentation to validate authenticity and traceability before procurement.
Selection Notes
Select this component when a single-channel transistor output optocoupler with high isolation voltage is required. Consider the 80V collector-emitter voltage rating and 50mA collector current capacity for load compatibility. Verify that the 4-DIP package fits the PCB layout constraints. Check if the current transfer ratio range meets the logic level requirements of the receiving circuit.
Part Context
The PS2581L1-A belongs to the PS2581 series of photocouplers from Renesas Electronics. This series is designed for general-purpose isolation applications. The 'L1' designation typically indicates a lead-free DIP-4 package variant. The product line emphasizes reliability and long-term stability for industrial and commercial electronic equipment.
Replacement Considerations
Direct replacements include PS2561L1-A-N and PS2561AL1-1-A-N from Renesas, which offer similar electrical characteristics but in surface-mount packages. Cross-brand equivalents should be verified for matching isolation voltage, current transfer ratio, and package dimensions.
