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ISP321-1BLG is listed in the Transistor, Photovoltaic Output Optoisolators range at ChipApex. The manufacturer field lists Isocom Components 2004 LTD. Its product description is OPTOISOLTR 5.3KV 1CH TRANS 4-DIP. Review the specifications below when checking this part for your BOM.
Transistor, Photovoltaic Output Optoisolators specifications for ISP321-1BLG
- Description：OPTOISOLTR 5.3KV 1CH TRANS 4-DIP
- Series：ISP321-1
- Mfr：Isocom Components 2004 LTD
- Package：Tube
- Number of Channels：1
- Voltage - Isolation：5300Vrms
- Current Transfer Ratio (Min)：200% @ 1mA
- Current Transfer Ratio (Max)：600% @ 1mA
- 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：Through Hole
- Package / Case：4-DIP (0.400", 10.16mm)
- Supplier Device Package：4-DIP
- Grade：-
- Qualification：-
Transistor, Photovoltaic Output Optoisolators datasheet and documents for ISP321-1BLG
Transistor, Photovoltaic Output Optoisolators Overview
The ISP321-1BLG is a single-channel phototransistor optocoupler manufactured by Isocom Components 2004 LTD. It features a 4-pin DIP package and provides galvanic isolation rated at 5300Vrms. The device supports a maximum forward current of 50 mA and offers a collector-emitter voltage rating of 80 V. Typical rise and fall times are specified at 4 µs and 3 µs respectively, with a current transfer ratio reaching up to 600% at 1 mA input.
Transistor, Photovoltaic Output Optoisolators Feature Summary
- Provides high-density mounting via surface mount or through-hole configurations
- Ensures reliable signal transmission with high isolation voltage ratings
- Features fast switching speeds suitable for digital applications
Transistor, Photovoltaic Output Optoisolators Applications
- Digital signal isolation in industrial control systems
- Power supply feedback loops
- Microcontroller interface circuits
Transistor, Photovoltaic Output Optoisolators Procurement Notes
Verify the specific suffix BLG confirms the 4-DIP package variant. Confirm the manufacturer designation matches Isocom Components 2004 LTD. Check datasheet revisions for any updates to electrical characteristics. Ensure compatibility with existing PCB footprint requirements before ordering.
Transistor, Photovoltaic Output Optoisolators Selection Notes
Select this component when a single-channel transistor output isolator is required. Consider the 5300Vrms isolation rating for safety-critical applications. Evaluate the 80V collector-emitter voltage against load requirements. Verify that the 50mA forward current limit meets drive circuit capabilities.
Transistor, Photovoltaic Output Optoisolators Part Context
This part belongs to the ISP321 series of high-density phototransistor optocouplers. The series includes variants such as ISP321-1G and ISP321-2XGBSMT&R. These devices are designed for compact circuit designs requiring robust galvanic isolation between input and output stages.
Transistor, Photovoltaic Output Optoisolators Replacement Considerations
Direct substitutes include other single-channel phototransistor optocouplers with similar 5300Vrms isolation and 80V Vceo ratings. Verify pinout compatibility and package dimensions before substitution.
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