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CNY64ST
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Product Detailed Parameters
- Description：OPTOISOLTR 8.2KV 1CH TRANS 4-SMD
- Series：-
- Mfr：Vishay Semiconductor Opto Division
- Package：Tape & Reel (TR),Cut Tape (CT)
- Number of Channels：1
- Voltage - Isolation：8200Vrms
- Current Transfer Ratio (Min)：50% @ 5mA
- Current Transfer Ratio (Max)：300% @ 5mA
- Turn On / Turn Off Time (Typ)：5µs, 3µs
- Rise / Fall Time (Typ)：2.4µs, 2.7µs
- Input Type：DC
- Output Type：Transistor
- Voltage - Output (Max)：32V
- Current - Output / Channel：50mA
- Voltage - Forward (Vf) (Typ)：1.32V
- Current - DC Forward (If) (Max)：75 mA
- Vce Saturation (Max)：300mV
- Operating Temperature：-55°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：4-SMD, Gull Wing
- Supplier Device Package：4-SMD
- Grade：-
- Qualification：-
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Overview
The CNY64ST is a single-channel phototransistor output optocoupler manufactured by Vishay Semiconductor Opto Division. It features a surface-mount 4-SMD (鸥翼) package and provides an isolation voltage of 8200 Vrms. The device supports a maximum collector-emitter voltage of 32 V and a continuous collector current of 50 mA. Key electrical parameters include a DC forward current maximum of 75 mA, a typical forward voltage of 1.32 V, and a collector-emitter saturation voltage of 300 mV. The current transfer ratio ranges from 50% to 300% at 5 mA input. Operating temperatures span from -55°C to 85°C.
Feature Summary
- Provides very high isolation voltage rated at 8200 Vrms for enhanced safety in high-voltage applications
- Features a compact surface-mount 4-SMD package suitable for automated assembly processes
- Offers high current transfer efficiency with a range of 50% to 300% at standard test conditions
Applications
- Green renewable energy devices requiring CAT IV high-voltage isolation
- Industrial control systems needing reliable signal transmission across isolated grounds
- Safety-critical circuits certified by international regulatory bodies such as VDE
Procurement Notes
Verify the specific suffix and packaging configuration when ordering, as availability may vary between tape-and-reel, cut tape, or Digi-Reel formats. Confirm RoHS compliance status and moisture sensitivity level (MSL 4) requirements against your manufacturing process specifications. Ensure that the selected variant matches the required isolation voltage ratings for your target application's safety standards.
Selection Notes
Select this component when high isolation voltage is critical for system safety and space constraints favor surface-mount technology. Consider the 8200 Vrms rating for applications exceeding standard industrial isolation levels. Evaluate the 50-300% current transfer ratio to ensure adequate signal coupling for your load requirements without excessive input current drive.
Part Context
The CNY64ST belongs to Vishay's CNY series of optocouplers, specifically designed for high-isolation applications. It is part of a product line expanded to include surface-mount variants like the CNY64ST and CNY65ST, which are among the first CAT IV high-voltage isolation optocouplers in SMD packages. This series targets green renewable energy and other safety-regulated industries.
Replacement Considerations
Check for direct pin-compatible substitutes within the CNY64/65/66 family, such as the through-hole CNY64, if surface-mount form factor is not strictly required. Verify that any alternative maintains the 8200 Vrms isolation rating and similar electrical characteristics to ensure circuit compatibility.
