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ISP321-4XSM is listed in the Transistor, Photovoltaic Output Optoisolators range at ChipApex. The manufacturer field lists Isocom Components 2004 LTD. Its product description is OPTOISO 5.3KV 4CH TRANS 16-SMD. Review the specifications below when checking this part for your BOM.
Transistor, Photovoltaic Output Optoisolators specifications for ISP321-4XSM
- Description：OPTOISO 5.3KV 4CH TRANS 16-SMD
- Series：ISP321-4
- Mfr：Isocom Components 2004 LTD
- Package：Tube
- Number of Channels：4
- Voltage - Isolation：5300Vrms
- Current Transfer Ratio (Min)：50% @ 5mA
- Current Transfer Ratio (Max)：600% @ 5mA
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：4µs, 3µs
- Input Type：DC
- Output Type：Transistor
- Voltage - Output (Max)：80V
- Current - Output / Channel：50mA
- Voltage - Forward (Vf) (Typ)：1.15V
- Current - DC Forward (If) (Max)：50 mA
- Vce Saturation (Max)：400mV
- Operating Temperature：-30°C ~ 100°C
- Mounting Type：Surface Mount
- Package / Case：16-SMD, Gull Wing
- Supplier Device Package：16-SMD
- Grade：-
- Qualification：-
Transistor, Photovoltaic Output Optoisolators datasheet and documents for ISP321-4XSM
Transistor, Photovoltaic Output Optoisolators Overview
The ISP321-4XSM is a surface-mount optocoupler from the ISP series by Isocom Components. It features a single channel with an AC input and NPN phototransistor output in a 4-pin DIP package. Key electrical parameters include a maximum forward voltage of 1.4V, isolation voltage of 5.3kVrms, typical rise time of 4μs, and typical fall time of 3μs. The device operates between -30°C and 100°C, has a minimum current transfer ratio of 0.2%, and a maximum CTR of 3%. It holds UL standard certification.
Transistor, Photovoltaic Output Optoisolators Feature Summary
- Provides high-voltage electrical isolation for signal transmission
- Designed for direct AC input applications without external rectification
- Utilizes a compact surface-mount DIP package for automated assembly
Transistor, Photovoltaic Output Optoisolators Applications
- Industrial control systems requiring AC signal isolation
- Power supply protection circuits
- Smart metering and utility instrumentation
Transistor, Photovoltaic Output Optoisolators Procurement Notes
Verify the specific suffix against official Isocom documentation to confirm pinout and performance tolerances. Ensure the procurement source provides valid UL certification records. Confirm that the surface-mount variant matches the required PCB footprint dimensions. Request batch-specific test reports if operating near the specified temperature limits.
Transistor, Photovoltaic Output Optoisolators Selection Notes
Select this component when AC-driven isolation is required in a compact form factor. The low current transfer ratio suggests suitability for logic-level switching rather than linear amplification. Verify that the 5.3kVrms isolation rating meets the safety requirements of the target application environment.
Transistor, Photovoltaic Output Optoisolators Part Context
This part belongs to the ISP series, which focuses on replacing common commercial optocouplers with specialized parameter selections. Isocom Components manufactures these devices to meet global industry standards, offering flexible manufacturing for shorter production lead times compared to legacy suppliers.
Transistor, Photovoltaic Output Optoisolators Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation.
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