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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)：130% @ 5mA
- Current Transfer Ratio (Max)：260% @ 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 (0.300", 7.62mm)
- Supplier Device Package：4-DIP
- Grade：-
- Qualification：-
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Overview
The PS2501-1-W-A is a single-channel transistor output optocoupler manufactured by Renesas Electronics. It features an NPN phototransistor output and operates within a temperature range of -55°C to +100°C. Key electrical parameters include a maximum collector-emitter voltage of 80 V, a maximum collector current of 50 mA, and an isolation voltage of 5000 Vrms. The device utilizes a PDIP-4 package for through-hole mounting. Typical switching characteristics consist of a 3 µs rise time and a 5 µs fall time. The forward voltage is specified at 1.17 V with a maximum forward current of 10 mA.
Feature Summary
- Provides high-voltage electrical isolation between input and output circuits
- Utilizes a GaAs light emitting diode coupled with an NPN silicon phototransistor
- Designed for through-hole PCB mounting in a compact four-pin configuration
Applications
- Industrial control systems requiring signal isolation
- Power supply feedback loops
- Microcontroller interface circuits
Procurement Notes
Verify component authenticity and datasheet revisions prior to integration. Confirm that the specific manufacturing lot aligns with project requirements. Note that availability may be restricted or subject to limited supply conditions as indicated by distributor status. Ensure compliance with relevant safety certifications for the intended application environment.
Selection Notes
Select this component when a single-channel isolation solution with through-hole compatibility is required. Consider the 5000 Vrms isolation rating for noise immunity. Evaluate the 80 V collector-emitter voltage limit against load requirements. Compare switching speeds and current transfer ratios if signal integrity is critical for the specific circuit design.
Part Context
This part belongs to the PS2501 series of optically coupled isolators. The series includes variants such as the PS2501-1-A and PS2501L-1. These devices are designed to provide reliable signal transmission across isolated barriers while maintaining electrical safety standards. The series is widely used in applications demanding robust galvanic isolation.
Replacement Considerations
The CEL version of the PS2501-1-W-A is documented as a direct parametric equivalent. Verify pinout compatibility and electrical specifications before substitution. Ensure that any alternative component meets the same isolation voltage and package constraints.
