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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)：50% @ 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)：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 PS2561AL2-1-V-E4-A is a high isolation voltage photocoupler manufactured by CEL. It features an AlGaAs LED optically coupled to an NPN phototransistor detector. The device provides a minimum isolation voltage of 5000 Vrms and operates with a current transfer ratio of 125% to 300%. It supports a collector-emitter voltage of 80V and a collector current of 50mA. The unit is housed in a 4-pin DIP package designed for surface mount or through-hole applications, ensuring reliable signal transmission across isolated circuits.
Feature Summary
- High isolation voltage capability for safe circuit separation
- AlGaAs LED source ensures stable optical coupling performance
- NPN phototransistor output for standard logic interfacing
- RoHS compliant construction with halogen-free materials
Applications
- Industrial control systems requiring galvanic isolation
- Power supply feedback loops
- Signal transmission between microcontrollers and high-voltage domains
Procurement Notes
Verify the specific suffix codes against official datasheets to confirm pinout configuration and packaging type. Ensure compliance with regional environmental regulations such as RoHS requirements before finalizing procurement orders. Cross-reference manufacturer part numbers with distributor listings to avoid counterfeit components.
Selection Notes
Select this component when high isolation voltage and moderate speed are required. Verify input forward current requirements match the driving circuit capabilities. Consider thermal management if operating near maximum ratings. Confirm package dimensions fit the target PCB layout constraints.
Part Context
This model belongs to the PS2561 series of single-channel photocouplers. It shares functional similarities with other devices in the family but differs in specific electrical parameters and packaging options. The series is widely used in industrial automation and consumer electronics for signal isolation purposes.
Replacement Considerations
Check for direct replacements like PS2561A-1-V-F3-A or PS2561L2-1-V-E4-A. Verify pin compatibility and electrical specifications before substitution. Consult manufacturer cross-reference guides for approved alternatives.
