The CD4093BM is consists of four Schmitt-trigger circuits. Each circuit functions as a two-input NAND gate with Schmitt-trigger action on both inputs. The gate switches at different points for positive- and negative-going signals.
The 2SC5241, 2SC-5241, C5241 5241 is a 600V 5A 30W NPN Bipolar Power Transistor, TO-220F Package High Voltage Transistor, Manufactured By NEC Semiconductor
The MJE350 is a silicon planar PNP transistor intended for use in medium power linear and switching applications. It is mounted in TO-126. The complementary NPN type is MJE340.
The 2SK2850, 2SK-2850, K2850, 2850 Is a 6A 900V 125W N-Channel MOSFET Or Field Effect Transistor TO-3P Package 3 Pin Leads, Product Manufactured by Company Fuji Electric Corp.
The ENC28J60 Module is a standalone Ethernet controller with an industry-standard Serial Peripheral Interface (SPI™). It is designed to serve as an Ethernet network interface for any microcontroller equipped with SPI Communication Module.