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Product Detailed Parameters
- Description：OPTOISOLATOR 5KV 1CH TRANS 4-SMD
- Series：NEPOC
- Mfr：CEL
- Package：Tape & Reel (TR)
- Number of Channels：1
- Voltage - Isolation：5000Vrms
- Current Transfer Ratio (Min)：100% @ 5mA
- Current Transfer Ratio (Max)：200% @ 5mA
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：3µs, 5µs
- Input Type：DC
- Output Type：Transistor
- Voltage - Output (Max)：70V
- Current - Output / Channel：30mA
- Voltage - Forward (Vf) (Typ)：1.2V
- Current - DC Forward (If) (Max)：30 mA
- Vce Saturation (Max)：300mV
- Operating Temperature：-55°C ~ 100°C
- Mounting Type：Surface Mount
- Package / Case：4-SMD, Gull Wing
- Supplier Device Package：4-SMD
- Grade：-
- Qualification：-
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Overview
The PS2501AL-1-E3-Q-A is a single-channel transistor output optoisolator from the CEL NEPOC series. It provides 5000Vrms isolation voltage between input and output circuits. The device features an NPN phototransistor output capable of handling a maximum collector current of 30mA and a collector-emitter voltage of 70V. It operates within a temperature range of -55°C to 100°C. The component is supplied in a 4-SMD (鸥翼) package with tape and reel packaging. Key electrical parameters include a forward voltage of 1.17V and a power dissipation of 150mW.
Feature Summary
- High isolation voltage capability for safe signal transmission across potential barriers
- NPN phototransistor output configuration for digital switching applications
- Wide operating temperature range suitable for industrial environments
Applications
- Industrial control systems requiring galvanic isolation
- Signal interface circuits between microcontrollers and high-voltage loads
- Power supply feedback loops for noise immunity
Procurement Notes
Verify component authenticity through authorized CEL distributors or certified suppliers. Confirm RoHS compliance status as documentation may vary by production batch. Check for obsolescence notices since similar variants are marked obsolete. Ensure storage conditions meet semiconductor standards to prevent moisture damage prior to soldering.
Selection Notes
Select this variant when surface-mount assembly is required for single-channel isolation. Compare CTR specifications against load requirements to ensure adequate drive capability. Verify package dimensions match PCB footprint constraints. Consider thermal management needs given the 150mW power dissipation rating in enclosed spaces.
Part Context
This part belongs to the PS2501 family of optoisolators manufactured by CEL. It shares functional similarities with other NEPOC series components but differs in packaging and specific electrical tolerances. The suffix indicates SMD construction and tape-and-reel delivery format, distinguishing it from DIP versions like PS2501-1-M-A.
Replacement Considerations
Direct substitutes include PS2501L-1-E3 for equivalent SMD performance. Cross-reference with PS2501AL-1-F3-W-A for pin-compatible alternatives if lead-free processing is not mandatory. Verify parameter compatibility before substitution.
