Description:DIN-EN/IEC60747-5-5, 850 V Peak Working Insulation Voltage; UL1577, 4,170 VACRMS for 1 Minute; Very Low Coupled Capacitance Along With No Chip-to-Pin 6 Base Connection for Minimum Noise Susceptability (CNY17FXM, MOC8106M); Minimizes Unit-to-Unit Variation; Safety and Regulatory Approvals:; Current Transfer Ratio In Select Groups; High BVCEO: 70 V Minimum (CNY17XM, CNY17FXM, MOC8106M); Closely Matched Current Transfer Ratio (CTR)
The recommended PCB layout for the CNY171SM involves keeping the LED and phototransistor pins as close together as possible to minimize stray capacitance and ensure reliable operation. A ground plane under the device can also help reduce noise and electromagnetic interference.
To ensure proper biasing, the LED should be forward-biased with a current between 1-10 mA, and the phototransistor should be reverse-biased with a voltage between 5-30 V. The recommended biasing conditions can be found in the datasheet.
The CNY171SM is rated for operation from -40°C to 100°C, but the device's performance may degrade at extreme temperatures. It's essential to ensure the device is operated within the recommended temperature range for reliable operation.
The CNY171SM has built-in ESD protection, but it's still essential to follow proper handling and assembly procedures to prevent damage. This includes using anti-static wrist straps, mats, and packaging materials, as well as avoiding direct contact with the device's pins.
The typical response time of the CNY171SM is around 10-20 μs, but this can vary depending on the specific application and operating conditions. The response time can be affected by factors such as the LED current, phototransistor bias, and temperature.
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CNY171SM Overview
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