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DPC817S-A-TR-V
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Product Detailed Parameters
- Description：OPTOISOLATOR 5KV 1CH TRANS 4-SMD
- Series：DPC817
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR)
- 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)：18µs, 18µs (Max)
- Input Type：DC
- Output Type：Transistor
- Voltage - Output (Max)：35V
- Current - Output / Channel：50mA
- Voltage - Forward (Vf) (Typ)：1.25V
- Current - DC Forward (If) (Max)：60 mA
- Vce Saturation (Max)：200mV
- Operating Temperature：-55°C ~ 110°C
- Mounting Type：Surface Mount
- Package / Case：4-SMD, Gull Wing
- Supplier Device Package：4-SMD
- Grade：-
- Qualification：-
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Overview
The DPC817S-A-TR-V is a single-channel transistor output optocoupler manufactured by Diodes Incorporated. It features an SL-4 surface-mount package and provides 5000 Vrms isolation voltage. The device utilizes a phototransistor output with a maximum collector-emitter voltage of 35 V and a maximum collector current of 30 mA. The forward voltage is specified at 1.25 V with a forward current of 5 mA. The current transfer ratio ranges from 130% to 260%, and the collector-emitter saturation voltage is limited to 200 mV.
Feature Summary
- Provides high-voltage electrical isolation between input and output circuits
- Integrates a GaAs infrared LED emitter with a silicon NPN phototransistor detector
- Designed for surface-mount assembly in compact SL-4 packages
Applications
- General-purpose signal isolation in industrial control systems
- Power supply feedback loop isolation
- Microcontroller interface isolation
Procurement Notes
Verify the specific suffix 'A' against the manufacturer's latest datasheet to confirm the exact Current Transfer Ratio binning, as this designation defines the performance grade. Ensure the SL-4 package dimensions match the target PCB footprint requirements before finalizing procurement decisions.
Selection Notes
Select this component when a standard 35 V collector-emitter voltage rating and moderate speed are sufficient for the application. Compare the 130–260% CTR range against circuit biasing requirements to ensure reliable switching. Consider the SL-4 package size constraints relative to available board space.
Part Context
This part belongs to the DPC817 series of transistor output optocouplers from Diodes Incorporated. The series offers various CTR grades and packaging options, including through-hole and surface-mount variants, to support diverse isolation needs in consumer and industrial electronics.
Replacement Considerations
Direct replacements include other DPC817S variants with different CTR bins, such as DPC817S-B-TR-V or DPC817S-Y-TR, provided the specific gain requirements align with the new bin specifications.
