What are power inductors, DC-DC converter High Power Inductor

 IHLP-2525BD-01 2.2 20% ER E3

https://www.futureelectronics.com/p/passives--inductors--power-inductors/ihlp2525bder2r2m01-vishay-1030028

10uf tantalum chip, What is capacitor, Types of Tantalum Capacitor

 TAJ Series 4.7 uF ±10 % 16 V Surface Mount Standard Tantalum Chip Capacitor

https://www.futureelectronics.com/p/passives--capacitors--tantalum-capacitors/taja475k016rnj-kyocera-avx-7530090

NPN Darlington Transistor, Digital signals, analog signals, high voltage transistor

 BST50 Series 45 V 1 A 1.3 W SMT NPN Darlington Transistor - SOT-89

https://www.futureelectronics.com/p/semiconductors--discretes--transistors--bipolar-transistors/bst50-115-nexperia-4385159

What is a Schottky rectifier, Recovery diode, power management circuits

 PDS5100 Series 100 V 5 A High Voltage Schottky Barrier Rectifier - PowerDI-5

https://www.futureelectronics.com/p/semiconductors--discretes--diodes--scottky-rectifiers/pds5100-13-diodes-incorporated-7587892

Inter-Integrated Circuit, Hardware Communication Protocols, I2C comm interface

 PCF8575 Series Remote 16-bit I/O Expander for I2C-Bus to Parallel Port -SSOP-24

https://www.futureelectronics.com/p/semiconductors--comm-products--i2c/pcf8575ts-1-118-nxp-7426778

I2C bus, i2c communication, what is an I2C device, I2C vs SPI vs UART

 PCF8575 Series Remote 16-bit I/O Expander for I2C-Bus to Parallel Port -SSOP-24

https://www.futureelectronics.com/p/semiconductors--comm-products--i2c/pcf8575ts-1-118-nxp-7247653

Axial electrolytic capacitor, Aluminum oxide, multi section capacitor

 UWT Series 100 uF 35 V 1 kHrs 105°C SMT Aluminum Electrolytic Capacitor

https://www.futureelectronics.com/p/passives--capacitors--aluminum-electrolytic-capacitors/uwt1v101mcl1gs-nichicon-8033714