MagSafe 3 returns the magnetic connector to MacBook Pro 14-inch and 16-inch (2021+) based on USB-C PD protocol, enabling

MagSafe 2 is a thinner Apple proprietary magnetic charger used on Retina MacBook Pro and MacBook Air from 2012 to 2015.

MagSafe 1 is Apple proprietary magnetic laptop charger connector used on MacBook Pro and MacBook Air from 2006 to 2012.

BGA-256 (Ball Grid Array 256-ball) is used for high-density ICs including FPGAs, processors, and memory chips where the

DPAK (TO-252) is a medium-power SMD package smaller than D2PAK for MOSFETs, linear regulators, and transistors handling

D2PAK (TO-263) is the SMD version of TO-220 for high-power MOSFETs, voltage regulators, and IGBTs. The large tab solders

QFN-32 (Quad Flat No-Lead 32-pin) has pads on the bottom edge of the package with a large exposed pad underneath for the

QFP-64 (Quad Flat Package 64-pin) is used for mid-complexity microcontrollers and FPGAs including STM32F103 (LQFP-64), A

QFP-44 (Quad Flat Package 44-pin) is an SMD IC package with pins on all four sides at 0.8mm pitch, used for microcontrol

SOT-23-5 extends the standard SOT-23 package with 5 pins for small op-amps (MCP6001, MAX4072), LDO regulators (MCP1700),