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Product Detailed Parameters
- Description：OPTOISO 2.5KV DARL 4-MINI-FLAT
- Series：NEPOC
- Mfr：Renesas Electronics Corporation
- Package：Strip
- Number of Channels：1
- Voltage - Isolation：2500Vrms
- Current Transfer Ratio (Min)：400% @ 1mA
- Current Transfer Ratio (Max)：4500% @ 1mA
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：20µs, 5µs
- Input Type：DC
- Output Type：Darlington
- Voltage - Output (Max)：350V
- Current - Output / Channel：60mA
- Voltage - Forward (Vf) (Typ)：1.1V
- Current - DC Forward (If) (Max)：50 mA
- Vce Saturation (Max)：1V
- Operating Temperature：-55°C ~ 100°C
- Mounting Type：Surface Mount
- Package / Case：4-SMD, Flat Leads
- Supplier Device Package：4-Mini-Flat
- Grade：-
- Qualification：-
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Overview
The PS2933-1-AX is a single-channel transistor output optocoupler manufactured by Renesas Electronics. It features an NPN phototransistor output with a collector-emitter voltage rating of 350 V and a maximum collector current of 60 mA. The device provides high isolation capability with an insulation voltage of 2500 Vrms. Key electrical parameters include a forward current of 50 mA, a forward voltage of 1.3 V, and a power dissipation of 180 mW. The current transfer ratio ranges from 100% to 400%, with rise and fall times of 20 µs and 5 µs respectively.
Feature Summary
- High collector-emitter voltage rating suitable for demanding switching applications
- Strong isolation performance with 2500 Vrms insulation voltage
- Wide current transfer ratio range ensuring reliable signal transmission
Applications
- Industrial control systems requiring galvanic isolation
- Power supply feedback loops
- Solid-state relay driver circuits
Procurement Notes
Verify the lifecycle status before procurement as this component may be marked as Not Recommended for New Designs (NRND). Confirm package compatibility and check for alternative versions if long-term availability is required. Ensure all specifications meet the specific design requirements prior to ordering.
Selection Notes
Select this component when high voltage isolation and robust collector-emitter ratings are necessary. Consider the 350 V rating for applications exceeding standard low-voltage optocoupler limits. Evaluate the thermal performance given the 180 mW power dissipation limit in the SSOP-4 package.
Part Context
This part belongs to the PS2933 series of transistor output optocouplers. It is designed for general-purpose isolation tasks where high voltage withstand capability is critical. The series typically offers compact surface-mount packaging to facilitate automated assembly in various electronic devices.
Replacement Considerations
Check for direct pin-compatible substitutes within the same family or verify functional equivalents with similar voltage and current ratings. Consult official documentation for any recommended replacement parts due to the NRND status.
