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The PS2501L-2-E4-A is a dual-channel transistor output optoisolator manufactured by CEL. It features an NPN phototransistor output and provides 5000 Vrms isolation voltage. The device operates within a temperature range of -55°C to +100°C. Key electrical parameters include a minimum current transfer ratio of 80% at 5mA input current and a maximum of 600%. The component is housed in an 8-SMD (Gull Wing) package suitable for surface mount applications.
This component is classified as obsolete or not recommended for new designs. Availability is restricted, and Mouser does not currently sell this product in all regions. Verification of lifecycle status and alternative sourcing is required before procurement planning.
Designers should note the obsolete status when selecting this part. The dual-channel layout replaces single-channel equivalents like the PS2501L-1 series. Ensure the 8-SMD package footprint matches the PCB design constraints compared to DIP variants.
The PS2501L-2-E4-A belongs to the PS2501L family of optocouplers from CEL. This family includes single and quad-channel variants. The 'L' suffix typically denotes a lead-free or specific packaging variant within the broader PS2501 series lineup.
Renesas Electronics lists PS2501AL-1-F3-W-A as a potential replacement, though it is a single-channel device. Verify channel count requirements carefully when substituting.