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Product Detailed Parameters
- Description：OPTOISOLTR 5.3KV 1CH TRANS 4-SMD
- Series：SFH6106
- Mfr：Vishay Semiconductor Opto Division
- Package：Bulk
- Number of Channels：1
- Voltage - Isolation：5300Vrms
- Current Transfer Ratio (Min)：100% @ 10mA
- Current Transfer Ratio (Max)：200% @ 10mA
- Turn On / Turn Off Time (Typ)：4.2µs, 23µs
- Rise / Fall Time (Typ)：3µs, 14µs
- Input Type：DC
- Output Type：Transistor
- Voltage - Output (Max)：70V
- Current - Output / Channel：50mA
- Voltage - Forward (Vf) (Typ)：1.25V
- Current - DC Forward (If) (Max)：60 mA
- Vce Saturation (Max)：400mV
- Operating Temperature：-55°C ~ 100°C
- Mounting Type：Surface Mount
- Package / Case：4-SMD, Gull Wing
- Supplier Device Package：4-SMD
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Overview
The SFH6106-3T-LB is a surface-mount transistor output optocoupler from Vishay. It features an NPN phototransistor with a current transfer ratio of 100% to 200%. Key electrical parameters include a maximum forward voltage of 1.65V, isolation voltage of 5300 Vrms, and collector-emitter saturation voltage of 400 mV. The device supports a maximum collector current of 100 mA and operates within a temperature range of -55°C to +100°C.
Feature Summary
- High current transfer ratio for efficient signal transmission
- Low coupling capacitance ensuring minimal interference
- High isolation voltage for robust circuit protection
Applications
- Industrial control systems requiring galvanic isolation
- Power supply feedback loops
- Signal isolation in communication interfaces
Procurement Notes
Verify the specific suffix LB against official datasheets to confirm packaging and tape specifications. Ensure compatibility with automated surface-mount assembly processes. Cross-reference manufacturer part numbers with distributor listings to avoid counterfeit components. Confirm RoHS compliance status prior to final procurement decisions.
Selection Notes
Select this component when high CTR linearity and low saturation voltage are critical. Consider the 4-SMD package for space-constrained designs. Evaluate thermal performance within the specified operating temperature range. Compare isolation requirements against the 5300 Vrms rating for safety compliance.
Part Context
This device belongs to the SFH6106 series, designed for surface-mount applications. It complements DIP variants like the SFH610A by offering similar electrical characteristics in a compact form factor. The series emphasizes reliability and high isolation capabilities for modern electronic designs.
Replacement Considerations
SFH6106-3T is a direct functional equivalent with identical electrical specifications. Verify package tolerance and lead-free status when substituting. Ensure pinout compatibility remains consistent across both part numbers.
