JSM451

@@ -0,0 +1,44 @@+# JSM451++**JSMSEMI** · Hall Sensor · SOT-23++JSM451 from JSMSEMI, 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 | VSUP | power_in | Supply voltage input, 3.8 V to 40 V (absolute max 60 V). Typical supply current 3.5 mA (7 mA max). Decouple with a local ceramic capacitor; add series R (100 Ω) and CP (4.7 nF) near the sensor in noisy supplies. |+| 2 | GND | power_in | Ground reference return for the device. |+| 3 | VOUT | output | Open-collector Hall switch output; requires external pull-up resistor (typ. RL = 4.7 kΩ). Sinks up to 40 mA with Vsat <= 0.4 V at 20 mA. Output goes LOW when |B| > Bop (+/-80 Gauss) and HIGH when |B| < Brp (+/-50 Gauss). Output voltage rating -0.5 V to 60 V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | JSMSEMI |+| Package | SOT-23 |+| Category | Sensor |+| Pins | 3 |++## Ordering variants++- `JSM451SOT23`+- `JSM451TO92S`++## CAD (KiCad official)++- Symbol: `JSM451`+- Footprint: `Package_TO_SOT_SMD:SOT-23`+- 3D model: SOT-23 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [JSMSEMI datasheet](docs/jsm451-datasheet.pdf) (5 pp, sha256 `0161d5bd77bcf667`, retrieved 2026-08-17, tier: lcsc)+- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.+- **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/jsm451-datasheet.pdf)

@@ -0,0 +1,34 @@+{+  "slug": "jsm451",+  "version": "0.1.0",+  "type": "component",+  "description": "JSMSEMI Hall Sensor, SOT-23. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+  "tags": [+    "component",+    "sensor",+    "jsm451"+  ],+  "dependencies": {},+  "hero": {+    "type": "image",+    "path": "docs/hero.png"+  },+  "files": [+    "page.json",+    "README.md",+    "jsm451.kicad_sym",+    "jsm451.kicad_mod",+    "jsm451.glb",+    "jsm451.step",+    "jsm451.lbr",+    "docs/hero.png",+    "docs/jsm451-datasheet.pdf",+    "viewers/symbol.html",+    "viewers/footprint.html"+  ],+  "visibility": "public",+  "author": {+    "name": "Ray",+    "email": "[email protected]"+  }+}\ No newline at end of file