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Product Detailed Parameters
- Description：OPTOISOLTR 5.3KV 1CH TRANS 4-SMD
- Series：SFH615A
- Mfr：Isocom Components 2004 LTD
- Package：Tape & Reel (TR)
- Number of Channels：1
- Voltage - Isolation：5300Vrms
- Current Transfer Ratio (Min)：40% @ 10mA
- Current Transfer Ratio (Max)：80% @ 10mA
- Turn On / Turn Off Time (Typ)：3µs, 18µs
- Rise / Fall Time (Typ)：2µs, 11µs
- Input Type：DC
- Output Type：Transistor
- Voltage - Output (Max)：70V
- Current - Output / Channel：50mA
- Voltage - Forward (Vf) (Typ)：1.65V
- Current - DC Forward (If) (Max)：50 mA
- Vce Saturation (Max)：400mV
- Operating Temperature：-30°C ~ 100°C
- Mounting Type：Surface Mount
- Package / Case：4-SMD, Gull Wing
- Supplier Device Package：4-SMD
- Grade：-
- Qualification：-
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Overview
The SFH615A-1SMT&R is a single-channel surface-mount optocoupler manufactured by Isocom Components 2004 LTD. It features a phototransistor output and utilizes a 4-pin SMD PDIP package. Key electrical specifications include a maximum forward current of 50 mA, an isolation voltage of 5.3 kVrms, and a minimum current transfer ratio of 40%. The device operates with DC input and is designed for applications requiring reliable signal isolation in compact form factors.
Feature Summary
- Provides galvanic isolation between input and output circuits using infrared technology
- Designed for surface-mount assembly to facilitate automated PCB placement
- Utilizes a phototransistor output stage for digital signal transmission
Applications
- Logic-to-logic isolation in noisy environments
- Computer and peripheral device interfaces
- Line receiver circuits
Procurement Notes
Verify the specific suffix 'R' indicates reel packaging when sourcing from distributors. Confirm the manufacturer designation as Isocom Components 2004 LTD, which continues the legacy of Litronix/Siemens optocouplers. Ensure the component matches the 4-pin SMD footprint requirements of the target design before procurement.
Selection Notes
Select this component for designs requiring a standard transistor-output optocoupler in a small surface-mount package. It serves as a replacement for legacy DIP versions where board space is limited. Verify that the 5.3 kVrms isolation rating meets the safety requirements of the application circuit.
Part Context
Isocom Components 2004 LTD specializes in high-performance infrared optoelectronic devices and industry-standard replacements. The company maintains production facilities in Malaysia and testing operations in the UK, ensuring compliance with UL, VDE, and RoHS standards for global deployment.
Replacement Considerations
Direct pin-compatible replacements may include other 4-pin SMD transistor optocouplers with similar CTR and isolation ratings. Verify functional equivalence regarding switching speed and collector-emitter voltage before substitution.
