Molex Part Audit


Received notification from "Molex 78757 Audit" that it finished — picking the work back up.
I’ve reconciled the independent audit with the project data. The 68-contact numbering is consistent, but the symbol metadata and locator-hole tolerance need attention; I’m recording the full evidence and mismatch list now.
Created a project doc

Part Audit

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Part Audit Scope
Audit of Molex 78757-0001 (0787570001) metadata, schematic symbol, footprint, pad numbering, and pin metadata against Molex product information and drawing references for series 78757 / U.2 (SFF-8639).
Project Metadata
The stored Datasheet URL was present before this audit. The Molex series page is the current official product source: https://www.molex.com/en-us/products/series-chart/78757
Key Manufacturer Specifications
  • Product: U.2 (SFF-8639), SAS-3 / PCIe-3 receptacle
  • Series: 78757
  • Status: Active in the reviewed manufacturer information
  • Orientation: Vertical
  • Termination: Surface mount, front solder tabs
  • Loaded circuits: 68 total — 53 signal and 15 power
  • Contact groups: E1–E25, S1–S28, P1–P15
Audit complete. The 68 contact pads and primary footprint geometry match the Molex documentation; the Datasheet URL was already populated, so it was not changed.
Key flags: missing Part Type/package metadata, all symbol pins lack descriptions and electrical types, MP1/MP2 are mechanical tabs rather than connector circuits, and the Ø2.60 mm locator holes are at Molex’s maximum allowed tolerance. Full results: Part Audit.
Fix metadata and terminals
Correct locator holes
Verify controlled drawing
Improve datasheet source

E9
Pin Number
E9
E16
Pin Number
E16
P3
Pin Number
P3
E20
Pin Number
E20
E1
Pin Number
E1
S8
Pin Number
S8
E6
Pin Number
E6
S1
Pin Number
S1
P9
Pin Number
P9
E18
Pin Number
E18
S23
Pin Number
S23
S27
Pin Number
S27
E25
Pin Number
E25
S26
Pin Number
S26
S24
Pin Number
S24
S7
Pin Number
S7
E10
Pin Number
E10
P1
Pin Number
P1
S4
Pin Number
S4
P7
Pin Number
P7
E17
Pin Number
E17
S21
Pin Number
S21
S22
Pin Number
S22
S2
Pin Number
S2
E13
Pin Number
E13
P6
Pin Number
P6
P15
Pin Number
P15
S28
Pin Number
S28
P13
Pin Number
P13
S10
Pin Number
S10
MP2
Pin Number
MP2
E24
Pin Number
E24
E23
Pin Number
E23
P12
Pin Number
P12
E12
Pin Number
E12
P11
Pin Number
P11
E21
Pin Number
E21
S9
Pin Number
S9
S15
Pin Number
S15
E15
Pin Number
E15
P4
Pin Number
P4
E11
Pin Number
E11
S19
Pin Number
S19
S14
Pin Number
S14
P5
Pin Number
P5
E14
Pin Number
E14
S18
Pin Number
S18
E4
Pin Number
E4
E8
Pin Number
E8
S6
Pin Number
S6
P8
Pin Number
P8
P14
Pin Number
P14
E2
Pin Number
E2
S25
Pin Number
S25
S20
Pin Number
S20
S16
Pin Number
S16
E5
Pin Number
E5
E19
Pin Number
E19
MP1
Pin Number
MP1
P2
Pin Number
P2
S11
Pin Number
S11
S17
Pin Number
S17
P10
Pin Number
P10
S12
Pin Number
S12
S13
Pin Number
S13
S3
Pin Number
S3
E22
Pin Number
E22
E7
Pin Number
E7
S5
Pin Number
S5
E3
Pin Number
E3
Name
Pin #
Type
Part Type
Terminal Order
E1
E1
Unspecified
Terminal
E2
E2
Unspecified
Terminal
E3
E3
Unspecified
Terminal
E4
E4
Unspecified
Terminal
E5
E5
Unspecified
Terminal
E6
E6
Unspecified
Terminal
E7
E7
Unspecified
Terminal
E8
E8
Unspecified
Terminal
E9
E9
Unspecified
Terminal
E10
E10
Unspecified
Terminal
E11
E11
Unspecified
Terminal
E12
E12
Unspecified
Terminal
E13
E13
Unspecified
Terminal
E14
E14
Unspecified
Terminal
E15
E15
Unspecified
Terminal
E16
E16
Unspecified
Terminal
E17
E17
Unspecified
Terminal
E18
E18
Unspecified
Terminal

78757-0001

78757-0001 thumbnail