IS357B Optocoupler, Transistor Output, SOP-4, 50mA, 3.75kV, CTR 130%
High-density 1-channel optocoupler, SOP-4, 50mA, 3.75kV isolation, CTR 130%. Ideal for industrial and computer signal isolation.
The IS357B is a high-density, 1-channel optocoupler in a compact SOP-4 package. It combines an infrared light emitting diode with an NPN silicon phototransistor, providing reliable electrical isolation for signal transmission between systems with differing potentials and impedances.
This component is ideally suited for industrial systems controllers and a wide range of electronic applications, including computers, computer peripherals, test and measurement equipment, and signal processing circuits. All electrical parameters are 100% tested to ensure consistent performance and reliability.
Key Specifications:
- Forward Current: 50mA
- Reverse Voltage: 6V
- Total Power Dissipation: 170mW
- Isolation Voltage: 3.75kVrms / 5.3kVpk
- Minimum Current Transfer Ratio: 50%
- CTR Min: 130%
- Collector Emitter Voltage (V(br)ceo): 80V
The IS357B is a drop-in replacement for the Sharp PC357, offering a convenient and reliable alternative for your design needs. Its compact SOP-4 package enables high-density mounting on PCBs, saving valuable board space in space-constrained applications.
- Industrial systems controllers
- Signal transmission between systems of different potentials and impedances
- Computers
- Computer peripherals
- No. of Channels: 1
- Optocoupler Case Style: SOP
- No. of Pins: 4
- Forward Current If Max: 50mA
- Isolation Voltage: 3.75kV
- CTR Min: 130%
- Collector Emitter Voltage V(br)ceo: 80V
- Reverse Voltage: 6V
- Total Power Dissipation: 170mW
- Minimum Current Transfer Ratio: 50%
- Isolation Voltage (peak): 5.3kVpk
- Construction: Infrared LED and NPN silicon phototransistor
- Weight: 0.145 grams
- Height: 43 mm
- Width: 33 mm
- Depth: 15 mm
- of Pins: 4Pins
- SVHC: No SVHC (25-Jun-2025)
Documents
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