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The PS2561D-1Y-V-A is a single-channel transistor output optocoupler manufactured by Renesas Electronics. It features an NPN phototransistor output and utilizes a DIP-4 through-hole package. The device provides 5000 Vrms insulation voltage for signal isolation. Key electrical parameters include a maximum collector-emitter voltage of 80 V, a maximum collector current of 50 mA, and a forward current rating of 40 mA. The typical forward voltage is 1.2 V. The current transfer ratio ranges from 130% to 260%, with a typical value of 160%. Operating temperatures span from -55°C to +110°C.
Verify the specific suffix 'V' against the manufacturer's latest documentation to confirm lead time and availability status, as lifecycle stages may vary by region. Ensure the DIP-4 package configuration matches the target PCB footprint requirements before finalizing procurement orders.
Select this component when a single-channel isolation barrier with moderate speed and high CTR is required. Compare the 130-260% CTR range against circuit gain requirements. Verify that the 40 mA forward current limit accommodates the driving source capabilities without exceeding power dissipation limits in the enclosure.
This part belongs to the PS2561 series of transistor output optocouplers. The 'D' designation typically indicates a specific pinout or internal structure variation within the family compared to standard PS2561 models. The 'Y' suffix often denotes RoHS compliance or specific tape/reel packaging variations depending on the manufacturer's coding system.
PS2561D-1Y-F3-A offers surface mount alternatives with similar electrical characteristics but requires SMD footprint compatibility verification.