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925-126J-51P

Public Made by Adom

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Amphenol RF RF Coaxial Connectors (SMPM jack), 925-126j-51p. KiCad symbol, footprint and 3D as used on Adom boards.

componentconnectors925-126j-51pboard-derived

Verified 925-126J-51P

by Claude, at Caleb Taylor's request · last 27 Oct 2026 · 1 record · files match
SymbolFootprint3D modelPins

Verification log 4 records

27 Oct 2026Claude, at Caleb Taylor's requestValidated against Amphenol RF customer outline drawing 925-126J-51P Rev A; footprint and 3D rebuilt to itfiles match
SymbolFootprint3D modelPinsfor all variants
  • ✓Datasheet: Amphenol RF customer outline drawing 925-126J-51P Rev A (03-Jun-16, ECO 00941), the file the product page https://www.amphenolrf.com/en-us/part/925-126j-51p/4449/ links today (asset 4065789372, fetched 2026-10-27, sha256 d0f7d88e2577de06). Amphenol's file is vector art with no text layer; the attached copy is that file with an invisible OCR text layer (ocrmypdf 15.2), renders pixel-identical. Replaces the page's 400 dpi raster + OCR copy
  • ✓BOM: rf-molecules rf-scaffold-module J3, J4 (BOM 'Conn_Coaxial_Small,J3/J4,925-126j-51p', footprint coax:925-126j-51p): the intended part is this page's MPN
  • ✓Pins: 1 CONTACT = centre contact, 2 BODY = body (names from the drawing's materials list; the drawing has no pin table); both passive; descriptions rewritten from the drawing, cited p.1
  • ✓Footprint rebuilt to the RECOMMENDED PCB LAYOUT, x = 0 on the board edge: Edge.Cuts slot 3.60 (3.6 +-0.05) wide x 5.03 deep (was 3.40 x 5.00, zero clearance to the 3.4 REF body); outer pads 0..8.12 from the edge, outer edges 4.92 apart, inner edges 3.60 apart over the slot and 2.08 apart from 5.03 to 8.12 (each an L of two rectangles numbered 2, so EAGLE/Fusion keep the full copper); centre pad 0.97 wide from 5.03 to 8.28 (was 5.10..8.35: every copper edge had been 0.07 further from the edge than drawn)
  • ✓3D: Amphenol RF's STP download (asset 4066964497) redirects to the myAmphenol login and the site has no redistribution licence; KiCad has no SMPM model; model built by Adom from the drawing (tier 3, CC-BY-SA-4.0, builder provenance/tools/build_925-126j-51p.py): 7.95 REF to the tab ends, contact to 8.11, 4.47 wide, z -1.40..2.11 (3.51 REF, 2.11 REF), 3.4 REF below the board with 0.32 chamfers, tabs 0.58 thick on z = 0, contact 0.71 dia on the axis 0.36 above the mounting plane; bore depth and pin tip position are not dimensioned (display assumptions, in provenance/3d-model.json)
  • ✓Pose (step_pose.py, both STEPs): Z-up, identity binding, centre 0.085 mm from the pad-pattern centre, seated on z = 0 on the pads with the body 1.40 mm below the board through the Edge.Cuts slot, as the drawing requires; MPN etched on the top flat (adom-chip-laser)
  • ✓DigiKey ARF2549-ND and Mouser 523-925-126J-51P (Amphenol RF 925-126J-51P), confirmed by part lookup 2026-10-27
  • •Boards to update (Caleb): rf-scaffold-module J3, J4 still carry the 3.40 x 5.00 slot and the 0.07 mm copper offset, and their 3D model reference is 925-169J-51PT_SMPM_Coax.step (another part)
  • ✓Symbol Datasheet / MPN / Manufacturer / DigiKey / Mouser / LCSC properties agree with page.json; footprint Datasheet property points at the manufacturer datasheet URL
  • ✓component-page-verify: all checks pass
Evidencedatasheet (Amphenol RF)product page
Verified files✓ 925-126j-51p.kicad_sym✓ 925-126j-51p.kicad_mod✓ 925-126j-51p.step
9 Oct 2026Claude (AI build)Datasheet text layer: the manufacturer drawing is a scanned image; the attached PDF is the...superseded
reviewfor all variants
  • •Datasheet text layer: the manufacturer drawing is a scanned image; the attached PDF is the same pages with an OCR text layer added (ocrmypdf/tesseract) so pin names can be checked against it.
9 Oct 2026Claude (AI build)On the source board the 925-126J-51P footprint references the 925-169J-51PT 3D model and v...superseded
reviewfor all variants
  • •On the source board the 925-126J-51P footprint references the 925-169J-51PT 3D model and vice versa (swapped). This page uses the geometry placed for this reference designator; confirm it matches the Amphenol 925-126J-51P drawing.
9 Oct 2026Claude (AI build)Automated build checks (awaiting human validation)superseded
SymbolFootprint3D modelPinsfor all variants
  • ✓Footprint extracted pad-for-pad from the source board and normalized to the footprint frame (back-side parts un-mirrored)
  • ✓3D model seated z=0 at footprint origin (placement inverse; method centroid-matched to KiCad library models on 59 cases)
  • ✓adom-lbr generate + lint passed
  • ✓2 of 2 pins described
  • •Not yet checked by a person: land pattern vs datasheet, pin-1/orientation, 3D body vs drawing
Evidencedatasheet
Verified files! 925-126j-51p.kicad_sym! 925-126j-51p.kicad_mod! 925-126j-51p.step
Spot something wrong? Report it as an issue Propose a fix Records are signed by members of adom.
Overview Files Discover Packages Releases Dependencies Issues Breadcrumbs Pull Requests Activity
main
925-126j-51p / provenance / tools / mkfp_925-126j-51p.py
HistoryDownload
Caleb Publish 0.1.1 6d0dee9 1d ago
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#!/usr/bin/env python3
"""Write the 925-126J-51P footprint from Amphenol RF's RECOMMENDED PCB LAYOUT (drawing 925-126J-51P Rev A).
x = 0 is the board edge, the connector runs into the board along +x. All numbers from the drawing:
  board slot 3.6 +-0.05 wide x 5.03 deep; outer pads 8.12 long from the board edge, outer edges 4.92 apart,
  inner edges 3.60 apart over the slot (x 0..5.03) then 2.08 apart (x 5.03..8.12);
  centre pad 0.97 wide from the end of the slot (5.03) to 8.28 from the board edge.
Each outer pad is two plain rectangles with the same number (an L), so every EDA export keeps the full copper.
usage: mkfp.py <out.kicad_mod>"""
import sys, uuid
out = sys.argv[1]
U = lambda: str(uuid.uuid4())
SLOT_W, SLOT_D = 3.60, 5.03
OUT_W, IN_W_SLOT, IN_W_REAR, PAD_L = 4.92, 3.60, 2.08, 8.12
C_W, C_END = 0.97, 8.28


def rect_pad(num, x0, x1, y0, y1):
    return (f'\t(pad "{num}" smd rect\n\t\t(at {round((x0 + x1) / 2, 4)} {round((y0 + y1) / 2, 4)})\n'
            f'\t\t(size {round(x1 - x0, 4)} {round(y1 - y0, 4)})\n\t\t(layers "F.Cu" "F.Mask" "F.Paste")\n'
            f'\t\t(uuid "{U()}")\n\t)\n')


def line(x0, y0, x1, y1, layer, w):
    return (f'\t(fp_line\n\t\t(start {x0} {y0})\n\t\t(end {x1} {y1})\n\t\t(stroke (width {w}) (type default))\n'
            f'\t\t(layer "{layer}")\n\t\t(uuid "{U()}")\n\t)\n')


def prop(name, val, x, y, layer, hide, size=1.0, th=0.15):
    return (f'\t(property "{name}" "{val}"\n\t\t(at {x} {y})\n\t\t(unlocked yes)\n\t\t(layer "{layer}")\n'
            + ('\t\t(hide yes)\n' if hide else '') + f'\t\t(uuid "{U()}")\n\t\t(effects\n\t\t\t(font (size {size} {size}) (thickness {th}))\n\t\t)\n\t)\n')


s = '(footprint "925-126j-51p"\n\t(layer "F.Cu")\n'
s += '\t(descr "Amphenol RF 925-126J-51P SMPM jack, full detent, edge mount; land pattern and board slot per the RECOMMENDED PCB LAYOUT of customer outline drawing 925-126J-51P Rev A (x = 0 is the board edge)")\n'
s += '\t(tags "SMPM edge mount coaxial Amphenol RF 925-126J-51P")\n'
s += prop('Reference', 'REF**', 4.06, -3.6, 'F.SilkS', False)
s += prop('Value', '925-126j-51p', 4.06, 3.6, 'F.Fab', False)
s += prop('Datasheet', 'https://www.amphenolrf.com/en-us/assets/file/4065789372/', 0, 0, 'F.Fab', True)
s += prop('Description', 'SMPM jack, full detent, edge mount (Amphenol RF 925-126J-51P)', 0, 0, 'F.Fab', True)
s += '\t(attr smd)\n\t(duplicate_pad_numbers_are_jumpers no)\n'
# board slot (Edge.Cuts) and short board-edge stubs either side of it
h = SLOT_W / 2
for a in [(0, -h, SLOT_D, -h), (SLOT_D, -h, SLOT_D, h), (SLOT_D, h, 0, h), (0, -h, 0, -2.7), (0, h, 0, 2.7)]:
    s += line(*a, 'Edge.Cuts', 0.05)
# F.Fab body outline (7.95 x 4.47 above the board) and the contact end (8.11)
bw = 4.47 / 2
for a in [(0, -bw, 7.95, -bw), (7.95, -bw, 7.95, bw), (7.95, bw, 0, bw), (0, bw, 0, -bw), (7.95, -0.355, 8.11, -0.355),
          (8.11, -0.355, 8.11, 0.355), (8.11, 0.355, 7.95, 0.355)]:
    s += line(*a, 'F.Fab', 0.1)
s += (f'\t(fp_text user "${{REFERENCE}}"\n\t\t(at 2.5 0 0)\n\t\t(unlocked yes)\n\t\t(layer "F.Fab")\n\t\t(uuid "{U()}")\n'
      '\t\t(effects\n\t\t\t(font (size 0.6 0.6) (thickness 0.09))\n\t\t)\n\t)\n')
# F.SilkS: sides and rear, clear of the copper (copper ends at y +-2.46 and x 8.28)
for a in [(0, -2.66, 8.48, -2.66), (8.48, -2.66, 8.48, 2.66), (8.48, 2.66, 0, 2.66)]:
    s += line(*a, 'F.SilkS', 0.12)
# F.CrtYd: copper + 0.25
s += (f'\t(fp_rect\n\t\t(start -0.25 -2.71)\n\t\t(end 8.53 2.71)\n\t\t(stroke (width 0.05) (type default))\n\t\t(fill no)\n'
      f'\t\t(layer "F.CrtYd")\n\t\t(uuid "{U()}")\n\t)\n')
# pads
s += rect_pad('1', SLOT_D, C_END, -C_W / 2, C_W / 2)
for sg in (-1, 1):
    yo, yi_s, yi_r = sg * OUT_W / 2, sg * IN_W_SLOT / 2, sg * IN_W_REAR / 2
    s += rect_pad('2', 0, PAD_L, min(yo, yi_s), max(yo, yi_s))                       # strip along the slot, x 0..8.12
    ov = sg * 0.10                                                                       # 0.10 overlap into the strip
    s += rect_pad('2', SLOT_D, PAD_L, min(yi_s + ov, yi_r), max(yi_s + ov, yi_r))    # widening behind the slot
s += '\t(embedded_fonts no)\n\t(model "${KIPRJMOD}/925-126j-51p.step"\n\t\t(offset (xyz 0 0 0))\n\t\t(scale (xyz 1 1 1))\n\t\t(rotate (xyz 0 0 0))\n\t)\n)\n'
open(out, 'w').write(s)
print('wrote', out)