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Product Detailed Parameters
- Description：OPTOISOLATOR 5KV 1CH TRANS 4-SMD
- Series：NEPOC
- Mfr：CEL
- Package：Tube
- Number of Channels：1
- Voltage - Isolation：5000Vrms
- Current Transfer Ratio (Min)：80% @ 5mA
- Current Transfer Ratio (Max)：160% @ 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-H-A is a single-channel transistor output optocoupler manufactured by CEL. It integrates a GaAs infrared emitting diode and an NPN silicon phototransistor within a surface-mount package. The device provides high isolation voltage of 5000 Vrms between input and output circuits. Key electrical parameters include a collector-emitter breakdown voltage of 70 V, forward voltage of 1.4 V, and power dissipation of 300 mW. It features a rise time of 3 us and fall time of 5 us, with a maximum collector current rating of 30 mA.
Feature Summary
- High isolation voltage capability for safe circuit separation
- Surface mount lead bending configuration for automated assembly
- Single channel design integrating LED and phototransistor
Applications
- Industrial control system signal isolation
- Power supply feedback loop coupling
- Microcontroller interface protection
Procurement Notes
Verify component authenticity through authorized distribution channels due to potential counterfeit risks in the market. Confirm that the specific suffix indicates the correct lead form and safety certifications required for your application. Check regulatory compliance documentation such as UL and CSA approvals before integration into final products. Ensure storage conditions meet manufacturer specifications to maintain performance integrity over time.
Selection Notes
Choose this component when surface mount technology is required for space-constrained designs. Consider the 5000 Vrms isolation rating for applications demanding robust electrical separation. Evaluate the 30 mA collector current limit against load requirements. Verify temperature range compatibility with operational environments. Compare timing characteristics against switching speed needs of the target circuit.
Part Context
This part belongs to the PS2561A series of optocouplers designed for general-purpose isolation tasks. The AL2 variant specifically denotes a wide lead bending type suitable for surface mounting. The H-A suffix typically indicates specific packaging or regional compliance variations. This series offers a balance of performance and cost-effectiveness for industrial applications requiring reliable signal transmission across isolated boundaries.
Replacement Considerations
PS2561AL2-1-E3-A-L serves as a lead-free alternative within the same family. PS2561AL2-1-F3-A may offer similar electrical characteristics with different packaging options. Cross-reference pinout configurations and isolation ratings before substitution. Verify that any replacement meets the same safety standards required by the original design.
