Part Information Review and Correction
14:11
Organizing project details.
Analyzing the PCB layout.
Analyzing the schematic.
Searching the project.
Searching for components.
Searching 4 domains.
Searching 3 domains.
Looking for "product description summary for part 1840750-7; identify what the part is" in 1840750-1133141.pdf
Planning datasheet specifics.
Searching the project.
Running multiple web searches.
Found 10 results.
Found 0 results.
Searching for project details.
Searching 3 domains.
Searching for PCB configurations.
Searching 3 domains.
Looking for datasheet details.
Searching fetch_url.
Looking for "TE Connectivity 1840750-7 pin names shield chassis ground mounting tabs 16-pin magjack footprint shield pads" in br-mag-magjack-icm.pdf?_v=1776235098797&docType=BR
Checking product details.
Searching fetch_url.
Looking for "1840750-7 exact part number pinout CH_GND MD1 MD2 MD3 MD4 A_1 A_2 K_1 K_2 shield mounting pad" in br-mag-magjack-icm.pdf?_v=1776235098797&docType=BR
Running multiple web searches.
Examining schematic discrepancies.
I reviewed the current part project against the available project metadata, symbol terminals, and footprint pads.
Summary
- Datasheet URL is already set, so I did not update it.
- The part project currently has 16 schematic terminals but the footprint has 18 pads: 16 numbered pads plus 2 extra mount/shield pads. That is the biggest mismatch I found.
- The symbol metadata is incomplete: all terminals have
Pin Type = Unspecified, and I do not see any pin descriptions populated. - The project metadata has at least one likely classification problem:
Part Type = Optoelectronic Devicesdoes not match a MagJack / RJ45 connector with integrated magnetics.
Project metadata
| Field | Current value | Review |
|---|---|---|
| Manufacturer Part Number | 1840750-7 | Looks consistent with the project |
| Manufacturer Name | TE Connectivity | Needs verification; web sources are inconsistent |
| Datasheet URL | Present | No update needed |
| Designator Prefix | J | Correct for a connector |
| Part Type | Optoelectronic Devices | Likely incorrect for this part |
| Description | Modular Connectors / Ethernet Connectors 1X1 MAG45 GIG 7G61P9 G/G REAR LED PIN | Understandable, but messy and not ideal library metadata |
The schematic contains 16 terminal components, numbered 1–16. From the current symbol:
- Pins 1–10 appear to be magnetics / channel pins
- Pins 11–14 appear to be LED pins
- Pins 15–16 exist as bare numeric labels
- No terminal has a Pin Description
- Every terminal has
Pin Type = Unspecified
That kind of incomplete terminal metadata is exactly the sort of issue the part-sync workflow recommends flagging and fixing, especially pin count, pin types, and descriptions. The datasheet should be treated as the source of truth, and the pin count should match exactly, including extra pads when the datasheet counts them.
Footprint audit
The footprint contains:
- 16 main pads matching the symbol’s numbered electrical pins
- 2 additional pads inside the
mountscontainer, labeled 17 and 18
That means the footprint has 18 total pads, while the symbol exposes only 16 terminals.
Likely mismatches
1. Symbol-to-footprint pin count mismatch
This is the clearest issue:
- Symbol: 16 terminals
- Footprint: 18 pads
If pads 17 and 18 are mechanical shield / chassis / mount tabs and the datasheet treats them as pins, then the symbol is incomplete. The recommended rule for part verification is to make the project pin count match the datasheet exactly, including extra pads when listed.
2. Missing pin metadata
All terminals are currently missing the metadata normally expected in a validated part project:
Pin TypePin Description
The sync guidance explicitly calls for exact pin-number verification plus short pin descriptions and mapped pin types.
3. Poor / ambiguous terminal naming
A few terminal labels look weak for a library-quality part:
- descriptive names exist for most signal pins
- but pins 15 and 16 are just numeric labels
- the label
VCC(COMMON_CT_looks truncated
Those are strong indicators the symbol likely needs cleanup against the datasheet pin table.
4. Part Type likely wrong
Optoelectronic Devices does not fit a 1-port RJ45 MagJack with integrated magnetics. This should more likely be categorized as a Connector. The part-sync guidance specifically says to correct project metadata when the functional category is wrong.From the currently linked/discovered distributor metadata, this part appears to be:
- 1-port RJ45 connector
- integrated magnetics
- 10/100/1000 Base-T
- through-hole
- rear LED version
- 8-position contact interface
I’m treating those as provisional because the linked PDF itself did not fully parse in-session, and the distributor/manufacturer attribution across search results is inconsistent.
What I would flag for correction
| Area | Status | Notes |
|---|---|---|
| Datasheet URL | OK | Already present, so no change needed |
| MPN | Likely OK | 1840750-7 |
| Manufacturer | Needs confirmation | Current value may be wrong or inherited from a distributor mapping |
| Part Type | Mismatch | Should likely be Connector |
| Description | Needs cleanup | Rewrite into a concise functional description |
| Package / Case Code | Missing | Should be populated from datasheet |
| Pin count | Mismatch | Symbol 16 vs footprint 18 |
| Pin descriptions | Missing | Should be added for all pins |
| Pin types | Missing | All currently Unspecified |
| Terminal names | Partial mismatch | At least one truncated label and two non-descriptive labels |
I can clean this part project up for you by:
- correcting the project metadata
- adding or exposing the missing pads 17/18 in the symbol if appropriate
- assigning Pin Type
- adding Pin Description
- fixing truncated or non-descriptive terminal names
If you want, I can do that next.
Clean up mismatches
Verify pads 17-18
Fix metadata fields
2 days
Ready.
CH_GND
Pin Number
1
VCC(COMMON_CT_
Pin Number
6
MD1+
Pin Number
2
A_2
Pin Number
14
MD1-
Pin Number
3
MD2+
Pin Number
4
MD2-
Pin Number
5
K_2
Pin Number
13
K_1
Pin Number
11
A_1
Pin Number
12
MD4+
Pin Number
9
MD4-
Pin Number
10
15
Pin Number
15
16
Pin Number
16
MD3-
Pin Number
8
MD3+
Pin Number
7
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1840750-7
• Low profile height, less than .400” off the PCB
• High speed capable, from 10/100BT up to 10GBT
• Can be used in low profile applications
• Can be used in half U height applications
• Compatible with up to OCP 3.0 mechanical card requirements
• Meets all IEEE 802.3 10/100Base-T thru 10GBase-T electrical requirements including RL, IL, Hi-pot and Common
Mode parameters
• 100% hi-pot tested in production
• Comes with many different LED color combinations and options
• 50 micro-inches of gold plated contacts as required by the TIA 1096/FCC 47, Part 68.
• Lead-free wave-solder compatible, with some IR reflow compatible designs
#CommonPartsLibrary
#Connector
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