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.
After bigger quantities? Need extra quantities? Get in touch and we'll organise it for you.
- Dispatched within 0-2 business days
- Delivery to United States: 3-5 business days*
- Free Shipping Included
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Free standard delivery on Australian mainland orders. Express delivery options and international shipping available at checkout.
We offer a 30-day money-back guarantee on most products. For faulty items, contact us within 14 days for a replacement or refund.
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