SN65HVD12DR – 3.3V RS-485 Transceiver with Integrated Surge Protection Warm White 3V 0.5W SMD LED At fast mode typical 3

At fast mode typical 3

Part Number  S8050  Transistor Polarity NPN Collector-Emitter Voltage (VCEO) 20V Collector-Base Voltage (VCBO) 30V Continuous Collector-Current (Ic) 700mA Emitter-Base Voltage (VEBO) 5V Operating Temperature Range -65°C to 150°C DC Current Gain (hFE) 120-400 Current Gain Bandwidth 100MHz Maximum Power 2 Watt Output Capacitance 9pF

and common-mode input to the positive supply

It is a hollow circular having three connections screw  terminal

SN65HVD12DR – 3.3V RS-485 Transceiver with Integrated Surge Protection Warm White 3V 0.5W SMD LED At fast mode typical 3The SN65HVD12DR is a robust 3. 3V RS 485 transceiver from Texas Instruments, designed for reliable bidirectional data communication on multipoint bus transmission lines. It meets or exceeds the ANSI TIA EIA 485 A standard and integrates surge protection features, making it suitable for industrial and commercial applications. Features 3. 3V operation for compatibility with low voltage systems Integrated surge protection for enhanced reliability