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Product Detailed Parameters
- Description：OPTOISOLATOR 5KV 2CH DARL 8-SMD
- Series：NEPOC
- Mfr：CEL
- Package：Tube
- Number of Channels：2
- Voltage - Isolation：5000Vrms
- Current Transfer Ratio (Min)：200% @ 1mA
- Current Transfer Ratio (Max)：-
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：100µs, 100µs
- Input Type：DC
- Output Type：Darlington
- Voltage - Output (Max)：40V
- Current - Output / Channel：160mA
- Voltage - Forward (Vf) (Typ)：1.17V
- Current - DC Forward (If) (Max)：80 mA
- Vce Saturation (Max)：1V
- Operating Temperature：-55°C ~ 100°C
- Mounting Type：Surface Mount
- Package / Case：8-SMD, Gull Wing
- Supplier Device Package：8-SMD
- Grade：-
- Qualification：-
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Overview
The CEL PS2502L-2-A is a dual-channel NPN photodarlington output optocoupler featuring high isolation voltage and wide operating temperature range. It incorporates an aluminum nitride substrate for enhanced thermal conductivity and reliability. Key electrical parameters include a minimum current transfer ratio of 200%, a maximum forward current of 80 mA, and a collector-emitter saturation voltage of 1 V. The device supports a maximum collector current of 200 mA with a reverse voltage rating of 6 V.
Feature Summary
- Dual-channel configuration with NPN photodarlington outputs
- High insulation voltage capability for signal isolation
- Wide operating temperature range suitable for industrial environments
Applications
- Industrial control systems requiring galvanic isolation
- Signal transmission between microcontrollers and peripheral devices
- Power supply feedback loops for voltage regulation
Procurement Notes
Verify the specific suffix 'A' against the manufacturer's latest datasheet to confirm pinout compatibility and material composition. Ensure the ordering part number matches the required channel count and package type. Cross-reference the RoHS compliance status with current regulatory requirements before finalizing procurement decisions.
Selection Notes
Select this component when dual-channel isolation is required within a compact footprint. The high CTR ensures reliable switching with lower input drive currents. Consider the thermal performance provided by the aluminum nitride substrate if operating in high ambient temperature conditions or where heat dissipation is critical.
Part Context
This component belongs to the PS2502L series of transistor output optocouplers manufactured by CEL. The series is designed for general-purpose isolation applications, offering variations in channel counts and packaging options. The PS2502L-2-A specifically denotes the dual-channel variant in a standard DIP package format.
Replacement Considerations
Direct substitutes may include other dual-channel photodarlington optocouplers from manufacturers such as Renesas or Vishay. Verify that replacement parts match the 5000 Vrms isolation voltage, 200% minimum CTR, and compatible DIP-8 pinout configuration.
