The SN74HC574N, SN74HCT574, SN74LS574N, SN74574 Are 8-bit positive-edge triggered D-type flip-flop with 3-state outputs. The device features a clock (CP) and output enable (OE) inputs.
The 2SC458 is a 30V 100mA NPN (BJT) manufactured in a plastic TO92 case. When looking at the flat side with the leads pointed downward, the three leads emerging from the transistor are from left to right the emitter, collector, and base leads.
The 2SC2330 - C2330 NPN Epitaxial Silicon Transistor for Color TV Chroma Output. Collector-Emitter Volt (Vceo): 400V, Collector-Base Volt (Vcbo): 400V, Collector Current (Ic): 100mA, hfe: 40-80 @ 20mA.
The FS10KM-06 is 60V 10A TO-220F Package High-speed Switching Power MOSFET. Drive Voltage 4V VDSS 100V rDS(ON) (max) 10A Integrated Fast Recovery Diode.
The HW-483 is DC5V 6mm 650nm Red Color Laser Diode Module For Arduino Very Easy To Use, Do controllable laser pointer, theft detection, etc. interesting application devices.