Part Metadata Review and Validation

7:50

Thought for 2s

Thought for 4s

Read schematic.

Read BOM.

Read layout.

Search 2 web sources.

I reviewed the part project and completed the requested checks.

1) Current part/project information

Field	Value
MPN	132291
Manufacturer	Amphenol
Project description	RF Connectors / Coaxial Connectors SMA STRAIGHT JACK PCB MOUNT BULKHEAD
Part type property	Connectors
Mount property	Axial
Schematic representation	5 symbol terminals / 5 pins total
PCB representation	5 pads total
Datasheet URL already set	Yes
Current datasheet URL	https://datasheet.datasheetarchive.com/originals/distributors/Datasheets-DGA15/760500.pdf

2) Datasheet URL check

No update was needed because a datasheet URL is already present on the part.

3) Datasheet scan summary

The archived PDF URL already set on the part was not machine-readable through the document scan path, so I used the official Amphenol product page and its customer drawing reference, plus the DigiKey-hosted rendering of the same customer drawing, to extract the part metadata.

3a) Official product metadata

Category	Extracted data
Official description	SMA PCB Through Hole Straight Jack Bulkhead 50 Ohm
Status	Active
Connector type	SMA jack
Orientation	Straight
Mounting feature	Bulkhead - Rear Mount
Termination style	PCB - Through Hole
Contact termination	Solder
Coupling mechanism	Threaded
Impedance	50 Ω
Max frequency	18 GHz
Min temperature	-65 °C
Max temperature	165 °C
Mating cycles	500 min
Applications	High Frequency
Ports	1
Size category	Subminiature
Isolated	No
Low PIM	No
Non-magnetic	Contains Magnetic Materials
IP rating	Not Rated

3b) Materials and finishes

Item	Material	Finish
Body	Brass	Gold
Contact	Beryllium Copper	Gold
Insulator	Teflon / PTFE	Not stated
Lock washer	Brass	Gold
Hex nut	Brass	Not stated

3c) Mechanical / package data from customer drawing

Parameter	Value
Overall dimensions called out	5.08 mm, 2.54 mm, 4.06 mm, 6.10 mm, 1.27 mm, 1.50 mm / 1.60 mm, 7.00 mm, 13.79 mm / 13.82 mm, 14.06 mm
PCB mounting hole callout	1.93 mm [0.076 in] appears in the drawing extract
PCB pattern callout	TYP 3 [0.076] appears in the drawing extract
Panel thickness note	Extracted as T MAX PANEL THICKNESS: .75 mm
Package style	Bulkhead PCB mount SMA jack

3d) Pin / contact interpretation

Pining information	Result
Explicit pin table in datasheet	Not provided
Center conductor identification	Single middle PCB contact
Outer connections	Four outer mounting legs / shell connections
Functional interpretation	1 RF signal contact + 4 shield/body ground/mechanical contacts

3e) Absolute maximum ratings / recommended operating conditions / electrical tables

Section	Result
Absolute Maximum Ratings	Not present in the retrieved customer drawing extract
Recommended Operating Conditions	Not present as a separate table
Electrical characteristics table	No formal table found; key electrical specs explicitly found were 50 Ω impedance, 18 GHz max frequency, -65 °C to 165 °C operating temperature range
Special features	Bulkhead rear mount, through-hole PCB termination, threaded coupling, gold-plated body/contact, PTFE insulator

4) Symbol and footprint cross-check

Findings

Check	Status	Risk
Pin count: schematic vs footprint	Pass	Both show 5 connections/pads
Basic package style vs project description	Pass	Bulkhead / SMA / PCB through-hole aligns with retrieved data
Datasheet presence	Pass	Datasheet URL exists
Pin names / functional pin descriptions	Fail	Current symbol pins are effectively anonymous
Pin electrical types	Fail	All pins are Unspecified
Signal vs shield distinction	Fail	The symbol does not distinguish the center RF pin from the 4 shell/ground pins
Ordering / package metadata completeness	Partial	Project mount property says Axial, which does not match the retrieved product style well
Manufacturing footprint verification	Partial / Needs manual geometry check	I could confirm 5 pads exist, but not all exact hole diameters/XY geometry from the Flux footprint object dump

Main mismatch risks

Highest risk: the symbol does not clearly identify which single pin is the RF center conductor and which four are shield/body ground tabs.
- This can cause incorrect schematic usage, wrong net assignments, and RF/grounding mistakes.
High risk: all pins are marked Unspecified.
- For a connector part, the center contact should be treated as the RF/signal contact, while the outer tabs should be ground/shield/mechanical shell connections.
Medium risk: the project property Mount = Axial does not appear consistent with the official part description, which is bulkhead rear-mount, straight, PCB through-hole SMA jack.
- That can lead to bad filtering/searching and possible ordering confusion.
Medium risk: the current part data does not include a clear footprint metadata label like a package name or mounting pattern identifier.
Open item: the footprint has the correct pad count, but I could not fully verify exact drill diameters and pad coordinates against the customer drawing from the current PCB object dump alone.

Recommended corrections

Priority	Correction
1	Name the pins so the center pin is clearly the RF signal contact and the other 4 pins are shell/ground tabs
2	Set correct pin electrical types instead of Unspecified
3	Update the generic mount/property wording so it matches the official product description
4	Manually verify the footprint drill sizes and XY locations against the customer drawing before using this part in manufacturing

Bottom line

The part project is not yet safe as-is for production library use.
The biggest issue is symbol semantics, not pad count.
I do not see evidence of a catastrophic pin-count mismatch, but I do see enough ambiguity to cause wrong net assignment, poor RF grounding, or incorrect library reuse.

If you want, I can next check whether I’m able to fix the part metadata and pin properties for you automatically.

Check exact footprint

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