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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)：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 PS2561AL-1-Q-A is a single-channel transistor output optocoupler from the NEPOC series, manufactured by CEL. It integrates a Gallium Arsenide (GaAs) infrared emitting diode with an NPN silicon phototransistor to provide galvanic isolation. The device features a high isolation voltage of 5000 Vrms and operates within a temperature range of -55 °C to 100 °C. Key electrical parameters include a minimum collector-emitter breakdown voltage of 70 V, a maximum forward current of 30 mA, and a nominal current transfer ratio ranging from 100% to 200% at a forward current of 5 mA. The component is housed in a lead-free surface mount plastic package.
Feature Summary
- High isolation voltage capability for safe signal transmission between isolated circuits
- Integration of GaAs LED and NPN phototransistor for efficient optical coupling
- Lead-free construction compliant with environmental standards
Applications
- Industrial control systems requiring galvanic isolation
- Consumer electronics signal interfacing
- Power supply feedback loops
Procurement Notes
Verify that the specific suffix Q-A corresponds to the required safety certifications and packaging format. Confirm that the manufacturer documentation explicitly lists this part number as a qualified replacement or variant within the NEPOC series. Ensure the procurement source provides valid traceability for the lead-free status and UL recognition details associated with this specific designation.
Selection Notes
Select this component when a single-channel transistor output isolator with 5000 Vrms isolation is required. The nominal current transfer ratio of 100% to 200% supports standard logic interface applications. The surface mount L2 lead bending package facilitates automated assembly. Verify that the operating temperature range of -55 °C to 100 °C meets the environmental requirements of the target application.
Part Context
This component belongs to the NEC/CEL NEPOC series of photocouplers, which are designed for cost-effective isolation solutions. The PS2561AL-1-Q-A shares the same internal structure as the PS2561AL2-1 variants but may differ in specific ordering suffixes related to packaging or certification. The series is widely recognized for its reliability in industrial and consumer markets.
Replacement Considerations
The PS2561AL2-1-E3-A-L is a confirmed substitute within the same family, sharing identical core specifications and package type. Verify compatibility regarding specific safety agency approvals before substitution.
