Bipolar transistor circuits, Emergency lighting, bipolar junction transistors

 PUMH9 Series 50 V 100 mA Surface Mount NPN Small Signal Transistor - SOT-363

https://www.futureelectronics.com/p/semiconductors--discretes--transistors--bipolar-transistors/pumh9-115-nexperia-2016607

What is a bipolar transistor, Bipolar transistor manufacturers

 PUMH9 Series 50 V 100 mA Surface Mount NPN Small Signal Transistor - SOT-363

https://www.futureelectronics.com/p/semiconductors--discretes--transistors--bipolar-transistors/pumh9-115-nexperia-1131431

Panel mount pluggable terminal block, terminal block wire, Terminal block connector

 2060 Series 1 Position 24-18 AWG 4 mm Pitch White Pushbutton SMD Terminal Block

https://www.futureelectronics.com/p/interconnect--terminal-blocks--euro-style/2060-451-998-404-wago-7053873

7400 nand gate, high voltage level translator, High-speed CMOS circuitry

 74HC Series 6 V 3-State Surface Mount Shift Register - SOIC-16

https://www.futureelectronics.com/p/semiconductors--logic--74-series--a-hc-t/74hc595d-118-nexperia-5160283

What is a 74-series chip, AC 74-series devices, 74hc vs 74hc74

 74HC Series 6 V 3-State Surface Mount Shift Register - SOIC-16

https://www.futureelectronics.com/p/semiconductors--logic--74-series--a-hc-t/74hc595d-118-nexperia-4363925

Types of 74 A/HC/T Series Logic Chips, Logic Circuit

 74HC Series 6 V 3-State Surface Mount Shift Register - SOIC-16

https://www.futureelectronics.com/p/semiconductors--logic--74-series--a-hc-t/74hc595d-118-nexperia-7372972

What is ESD protection, ESD protection arrays, transient voltage suppressor

 SP050xBA Series 8 V 30 pF Uni-Directional SMT TVS Avalanche Diode Array SOT-23-6

https://www.futureelectronics.com/p/electromechanical--circuit-protection--esd-protection/sp0505bahtg-littelfuse-6165302