component
TL431BCPK
Public Made by Adomby adom
Texas Instruments Voltage Reference, SOT-89-3. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
← Commit history
tl431bcpk: component.models_3d pose record per STEP (Z-up, seated z=0, pad-centre origin, identity binding)
2 files changed
+85−5
package.json+43−3@@ -53,7 +53,7 @@ "number": "1", "name": "REF", "type": "input",- "description": "Reference/control input relative to ANODE; the internal amplifier forces this node to the internal threshold (Vref = 2483 mV min / 2495 mV typ / 2507 mV max for the BC grade at IKA=10 mA) and requires a reference input current of typically 2 \u00b5A (max 4 \u00b5A) to bias the internal NPN, so it must not be left floating."+ "description": "Reference/control input relative to ANODE; the internal amplifier forces this node to the internal threshold (Vref = 2483 mV min / 2495 mV typ / 2507 mV max for the BC grade at IKA=10 mA) and requires a reference input current of typically 2 µA (max 4 µA) to bias the internal NPN, so it must not be left floating." }, { "number": "2",@@ -102,6 +102,46 @@ "viewers": { "symbol": "viewers/symbol.html", "footprint": "viewers/footprint.html"- }+ },+ "models_3d": [+ {+ "file": "tl431bcpk.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 4.0,+ 4.5,+ 1.52+ ],+ "zmin_mm": 0.0,+ "centre_offset_mm": 0.05,+ "footprint_binding": "identity",+ "sha256": "844c0bb504d0c383535d9845c6376fe7a4053241a2ede8d8ef694df3fcfc37c8",+ "checked": "2026-10-07",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "tl431bcpk-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 4.0,+ 4.5,+ 1.52+ ],+ "zmin_mm": 0.0,+ "centre_offset_mm": 0.05,+ "footprint_binding": "identity",+ "sha256": "885640d6f3c68408cca800e6187f4c8ff6908a35b71cb17b7c90449464c3c1da",+ "checked": "2026-10-07",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ }+ ] }-}+}
page.json+42−2@@ -87,7 +87,47 @@ "viewers": { "symbol": "viewers/symbol.html", "footprint": "viewers/footprint.html"- }+ },+ "models_3d": [+ {+ "file": "tl431bcpk.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 4.0,+ 4.5,+ 1.52+ ],+ "zmin_mm": 0.0,+ "centre_offset_mm": 0.05,+ "footprint_binding": "identity",+ "sha256": "844c0bb504d0c383535d9845c6376fe7a4053241a2ede8d8ef694df3fcfc37c8",+ "checked": "2026-10-07",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "tl431bcpk-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 4.0,+ 4.5,+ 1.52+ ],+ "zmin_mm": 0.0,+ "centre_offset_mm": 0.05,+ "footprint_binding": "identity",+ "sha256": "885640d6f3c68408cca800e6187f4c8ff6908a35b71cb17b7c90449464c3c1da",+ "checked": "2026-10-07",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ }+ ] }, "metadata": { "specs": {@@ -134,4 +174,4 @@ "visibility": { "public": true }-}+}