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DPC817L-A-TR
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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 DPC817L-A-TR is a single-channel transistor output optocoupler manufactured by Diodes Incorporated. It features an SLM-4 surface-mount package with a 5000 Vrms isolation voltage. The device operates with a maximum collector-emitter voltage of 35 V and a collector current of 30 mA. Key electrical parameters include a forward current of 5 mA, a forward voltage of 1.25 V, and a saturation voltage of 200 mV. The current transfer ratio ranges from 80% to 160%, with rise and fall times of 18 µs. It supports an operating temperature range from -55°C to +110°C.
Feature Summary
- Provides high-voltage isolation between input and output circuits for signal transmission.
- Utilizes a phototransistor output configuration for digital switching applications.
- Designed for surface-mount assembly in compact electronic systems.
Applications
- Signal isolation in industrial control systems
- Interface circuits for microcontrollers and logic devices
- Power supply feedback loops
Procurement Notes
Verify the specific suffix 'A' against the manufacturer's datasheet to confirm the exact Current Transfer Ratio (CTR) binning, as this variant specifies an 80% to 160% range. Ensure the SLM-4 package footprint matches the design layout. Confirm RoHS compliance status if required by project specifications. Cross-reference the Mouser number 621-DPC817L-A-TR for accurate sourcing details.
Selection Notes
Select this component when a 35 V collector-emitter voltage rating is sufficient for the application. The 80-160% CTR range offers moderate gain consistency compared to wider-bin variants. Consider the SLM-4 package dimensions for PCB space constraints. Evaluate the 18 µs switching speed against system timing requirements. Compare against the DPC817L-D-TR if a wider CTR range or different availability is needed.
Part Context
This part belongs to the DPC817L series of transistor output optocouplers from Diodes Incorporated. It shares the same physical SLM-4 package and basic electrical structure as other variants like the DPC817L-D-TR, differing primarily in the specified Current Transfer Ratio (CTR) performance bin. The series is designed for general-purpose isolation tasks requiring reliable signal transfer across isolated boundaries.
Replacement Considerations
The DPC817L-D-TR is a related variant within the same series but specifies a different CTR range (50% to 600%). Verify that the broader CTR tolerance of the D-TR variant meets the circuit design margins before substitution. Both parts share the same package and pinout.
