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Product Detailed Parameters
- Description：OPTOISOLATOR 5KV 1CH DARL 4-SMD
- Series：NEPOC
- Mfr：CEL
- Package：Tape & Reel (TR)
- Number of Channels：1
- 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：200mA
- 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：4-SMD, Gull Wing
- Supplier Device Package：4-SMD
- Grade：-
- Qualification：-
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Overview
The PS2502L-1-F3-A is a single-channel Darlington output optocoupler featuring high isolation voltage and high current transfer ratio. It contains a GaAs infrared emitting diode coupled to an NPN silicon Darlington phototransistor in a surface-mount 4-SMD (Gull-wing) package. Key electrical parameters include a minimum Current Transfer Ratio (CTR) of 200% at 1mA, with a typical value of 2000%. The device supports a maximum collector-emitter voltage of 40V and a continuous output current of 200mA per channel. Isolation voltage is rated at 5000Vrms. Switching characteristics include typical rise and fall times of 100µs. The component operates within a temperature range of -55°C to 100°C and complies with RoHS standards.
Feature Summary
- High isolation voltage rating for enhanced safety in isolated circuits
- High current transfer ratio providing significant signal gain
- Surface-mount Gull-wing package design for automated assembly
Applications
- Power supply feedback loops
- Telephone and FAX equipment interfaces
- Industrial automation control systems
Procurement Notes
Verify the manufacturer designation carefully, as documentation sources may list NEC/Renesas or CEL for this part number. Confirm the specific suffix (F3-A) matches the required tape-and-reel quantity and lead bending type. Ensure compliance with UL recognition requirements if applicable to your system safety standards. Cross-reference datasheet revisions to confirm parameter consistency before finalizing procurement orders.
Selection Notes
Select this component when high CTR is required to drive loads directly without additional amplification. The Darlington output structure offers higher gain than standard phototransistors but results in slower switching speeds compared to logic-output devices. Verify that the 100µs switching time meets the application's speed requirements. Ensure the 40V collector-emitter voltage rating exceeds the maximum load voltage in the circuit design.
Part Context
This device belongs to the PS2502L series of high-isolation voltage Darlington transistor output optocouplers. The 'L' suffix typically denotes the lead-bending (Gull-wing) surface-mount variant, distinguishing it from the DIP packages found in the non-L series. The series is designed for applications requiring robust galvanic isolation between input control circuits and output power stages.
Replacement Considerations
PS2502L-1-E3-A: Similar Darlington output optocoupler with potential differences in packaging or reel specifications. PS2502L-1-F4-A: Variant with different tape/reel configuration. Verify pinout compatibility and exact CTR ranges before substitution.
