LM78L05 from KEXIN, in a SOT-89-3. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin	Name	Type	Function
1	OUT	power_out	Regulated +5 V output. Typical Vo = 5.0 V (4.75 V to 5.25 V over Tj = 0 to 125 degC, Io = 1 mA to 70 mA). Maximum output current 100 mA. A 0.1 uF bypass capacitor to GND is recommended close to the pin for transient response.
2	GND	power_in	Common ground reference for the regulator. Also serves as the thermal tab on the SOT-89 package; PCB copper area on this pad aids power dissipation (Pd = 0.5 W at Ta = 25 degC).
3	IN	power_in	Unregulated DC input, 7 V to 20 V for spec compliance, 30 V absolute maximum. A 0.33 uF bypass capacitor to GND should be placed close to the pin for stability.

Key specifications

Parameter	Value
Manufacturer	KEXIN
Package	SOT-89-3
Category	PMIC
Pins	3

CAD (KiCad official)

Symbol: LM78L05
Footprint: Package_TO_SOT_SMD:SOT-89-3
3D model: SOT-89-3 (KiCad packages3D, STEP)

3D model downloads

Two STEP files. Same geometry, different body top:

File	Size	Use it when
`lm78l05.step`	57 KB	You want the bare part, or you mark your own boards.
`lm78l05-etched.step`	927 KB	You want the part with `LM78L05` already on it.

The marking in the etched file is real recessed geometry cut into the solid, not a texture or a decal: 262 faces against 42 in the bare model. It survives export, section views, and rendering in any CAD tool, and it drops straight into KiCad or Fusion with no extra setup.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

Datasheet: KEXIN datasheet (2 pp, sha256 48de17a914051870, retrieved 2026-08-17, tier: lcsc)
Extractor: ds2sf (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF