component

LM336M-2.5

Public Unreviewed

by Ray

HGSEMI LM336M 2 5 TR Voltage Reference, SOIC-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.

componentpmiclm336m-2.5
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Contents

README

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LM336M-2.5

HGSEMI · Voltage Reference · SOIC-8

LM336M-2.5 from HGSEMI, in a SOIC-8. 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 NC unconnected No internal connection. Leave floating or tie to a convenient net; not electrically connected to the die.
2 NC unconnected No internal connection. Leave floating.
3 NC unconnected No internal connection. Leave floating.
4 V- passive Negative (cathode) terminal of the 2.5V shunt reference. Return path to ground for the reverse bias current (400µA to 10mA typical). Reference voltage V+ minus V- is nominally 2.49V (2.390-2.540V for LM336-2.5).
5 ADJ passive Adjustment pin. A resistor/potentiometer network from V+ to V- with the wiper to ADJ trims the reverse breakdown voltage without altering temperature coefficient (typical: 10kΩ pot). May be left open when the nominal 2.5V is acceptable.
6 NC unconnected No internal connection. Leave floating.
7 NC unconnected No internal connection. Leave floating.
8 V+ passive Positive (anode/cathode-of-reverse-current) terminal of the shunt reference. Biased through a series resistor Rs from the supply so that reverse current sits between 400µA and 10mA. Nominal V+ to V- reverse breakdown = 2.49V.

Key specifications

Parameter Value
Manufacturer HGSEMI
Package SOIC-8
Category PMIC
Pins 8

Ordering variants

Same part, different packaging or reel option.

  • LM336M-2.5/TR
  • LM336BM-2.5/TR
  • LM336Z-2.5
  • LM336BZ-2.5
  • LM336DQ3-2.5/TR
  • LM336BDQ3-2.5/TR
  • LM336DQ2-2.5/TR
  • LM336BDQ2-2.5/TR

The extractor listed these alongside LM336M-2.5, but they are different parts with different electrical characteristics. Do not order them as substitutes.

  • LM336M-2.5LM236M-2.5/TR
  • LM336M-2.5LM236AM-2.5/TR
  • LM336M-2.5LM236Z-2.5
  • LM336M-2.5LM236AZ-2.5
  • LM336M-2.5LM236DQ3-2.5/TR
  • LM336M-2.5LM236ADQ3-2.5/TR
  • LM336M-2.5LM236DQ2-2.5/TR
  • LM336M-2.5LM236ADQ2-2.5/TR

CAD (KiCad official)

  • Symbol: LM336M-2.5
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOIC-8 (KiCad packages3D, STEP)

3D model downloads

Two STEP files. Same geometry, different body top:

File Size Use it when
lm336m-2-5.step 122 KB You want the bare part, or you mark your own boards.
lm336m-2-5-etched.step 2.0 MB You want the part with LM336M-2.5 already on it.

The marking in the etched file is real recessed geometry cut into the solid, not a texture or a decal: 494 faces against 147 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: HGSEMI datasheet (12 pp, sha256 96331bcf4aebc093, 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