Part of the Day · L7805CV — TO-220 5V 1.5A fixed regulator (7805)

3D view

3D drawing based on the dimensions of the ST datasheet TO-220 single-gauge drawing (DS0422 Table 20). The thin grey plate at the back is the heatsink (bolt a heat sink through the hole). Not to scale.

Actual size · Front view

↓ Actual size, left edge aligned to 0 on the ruler

One ruler tick = 1mm. On PC this is actual size on a 24-inch FHD monitor at 100% zoom; on iPhone it adjusts automatically. For other screens, use “Calibrate ruler” below.

Enlarged (TO-220 (ST) · Front view · approx. 5×)

Pins Viewed from the front, left to right: INPUT · GROUND (GND) · OUTPUT. The heatsink tab is also connected to GND (the datasheet pin drawing shows names only, no numbers)

leads partly shown · Package TO-220 (ST)

Actual size · Right side view

Thickness 4.4~4.6mm · heatsink 0.51~0.60mm · lead length 13~14mm (ST DS0422 TO-220 single-gauge drawing)

Enlarged · Right side view · approx. 4×

Right side view — the three leads overlap and look like one. The thin grey plate on the left is the heatsink (back); the black part on the right is the front of the body. The leads are wide for 3.5~3.9mm below the body, then narrow.