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LM336M-2.5
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HGSEMI LM336M 2 5 TR Voltage Reference, SOIC-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+62@@ -0,0 +1,62 @@+# LM336M-2.5++**HGSEMI LM336M 2 5 TR** · Voltage Reference · SOIC-8++LM336M-2.5 from HGSEMI LM336M 2 5 TR, 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 LM336M 2 5 TR |+| Package | SOIC-8 |+| Category | PMIC |+| Pins | 8 |++## Ordering variants++- `LM336M-2.5/TR`+- `LM336M-2.5LM336BM-2.5/TR`+- `LM336M-2.5LM236M-2.5/TR`+- `LM336M-2.5LM236AM-2.5/TR`+- `LM336M-2.5LM336Z-2.5`+- `LM336M-2.5LM336BZ-2.5`+- `LM336M-2.5LM236Z-2.5`+- `LM336M-2.5LM236AZ-2.5`+- `LM336M-2.5LM336DQ3-2.5/TR`+- `LM336M-2.5LM336BDQ3-2.5/TR`+- `LM336M-2.5LM236DQ3-2.5/TR`+- `LM336M-2.5LM236ADQ3-2.5/TR`+- `LM336M-2.5LM336DQ2-2.5/TR`+- `LM336M-2.5LM336BDQ2-2.5/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)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [HGSEMI LM336M 2 5 TR datasheet](docs/lm336m-2-5-datasheet.pdf) (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](docs/lm336m-2-5-datasheet.pdf)
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