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docs bl8064cb3tr33: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 1mo ago
viewers pin 1: carry the footprint's marker into the .lbr, the viewer and page.json (silk-marker, drawn, top-left) · Ray 2mo ago
bl8064cb3tr33-etched.fit.json bl8064cb3tr33: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 1mo ago
bl8064cb3tr33-etched.glb bl8064cb3tr33: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 1mo ago
bl8064cb3tr33-etched.step bl8064cb3tr33: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 1mo ago
bl8064cb3tr33.glb Publish 0.1.0 · Ray 2mo ago
bl8064cb3tr33.kicad_mod Publish 0.1.0 · Ray 2mo ago
bl8064cb3tr33.kicad_sym Publish 0.1.0 · Ray 2mo ago
bl8064cb3tr33.lbr rebuild the library on adom-lbr 2.32.0. The published copy was built by 2.18.0, which imported every KiCad roundrect an… · Ray 2mo ago
bl8064cb3tr33.step Publish 0.1.0 · Ray 2mo ago
package.json Publish 0.2.0 · Ray 2mo ago
pads.json pin 1: carry the footprint's marker into the .lbr, the viewer and page.json (silk-marker, drawn, top-left) · Ray 2mo ago
page.json bl8064cb3tr33: component.models_3d pose record per STEP (Z-up, seated z=0, pad-centre origin, identity binding) · Ray 1mo ago
README.md bl8064cb3tr33: laser-etched CAD + chip hero (factory 2.0.0 backfill) · Ray 1mo ago

BL8064CB3TR33

BL Shanghai Belling · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-23

BL8064CB3TR33 from BL Shanghai Belling, in a SOT-23. 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 GND power_in Ground reference for the regulator. Connect to system ground; also serves as the return for Cin and Cout bypass capacitors.
2 Vout power_out Regulated output voltage (3.3V for the '33' ordering suffix). Sources up to 200mA; requires a 1µF ceramic output capacitor to GND for stability.
3 Vin power_in Supply voltage input, 1.5V-6V recommended (10V absolute max). Requires a 1µF ceramic input capacitor to GND.

Key specifications

Parameter Value
Manufacturer BL Shanghai Belling
Package SOT-23
Category PMIC
Pins 3

Ordering variants

  • BL8064CB3TR33
  • BL8064CB3TR33CB3ATR
  • BL8064CB3TR33CB5TR
  • BL8064CB3TR33CC3TR
  • BL8064CB3TR33CHBG

CAD (KiCad official)

  • Symbol: BL8064CB3TR33
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: bl8064cb3tr33-etched.step / bl8064cb3tr33-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bl8064cb3tr33.step / bl8064cb3tr33.glb are the bare package body.

3D model downloads

Two STEP files. Same geometry, different body top:

File Size Use it when
bl8064cb3tr33.step 59 KB You want the bare part, or you mark your own boards.
bl8064cb3tr33-etched.step 2.8 MB You want the part with BL8064CB3TR33 already on it.

The marking in the etched file is real recessed geometry cut into the solid, not a texture or a decal: 655 faces against 69 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: BL Shanghai Belling datasheet (9 pp, sha256 c088d81caacad590, 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