Part Datasheet Review and Validation

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1:48

Checking if I can make the changes for you.

Analyzing the schematic.

Reviewing the bill of materials.

Searching for datasheet.

Running multiple web searches.

Found 5 results.

Found 7 results.

Found 10 results.

Running multiple web searches.

Found 1 results.

Found 1 results.

Found 1 results.

Fetching file data.

Looking for "part number, product description, series, package style, operating temperature, port count, speed, PoE capability, tab orientation, pin count" in dr-MAG-2250629-1.pdf

Looking for "electrical specifications, insertion loss, return loss, crosstalk, common mode rejection, isolation voltage, HIPOT, PoE current, any electrical characteristics" in dr-MAG-2250629-1.pdf

Looking for "absolute maximum ratings, recommended operating conditions, storage temperature, operating temperature, voltage, current limits" in dr-MAG-2250629-1.pdf

Looking for "pinout, pin numbers, pin names, shield pins, center taps, LED pins, mechanical pin list" in dr-MAG-2250629-1.pdf

Looking for "mechanical dimensions, recommended pcb layout, footprint dimensions, hole sizes, package dimensions, tab down, overall height" in dr-MAG-2250629-1.pdf

Looking for "special features, integrated magnetics, 10G, 4PPoE, GO/GO, LED configuration, shielding, RoHS, additional notes" in dr-MAG-2250629-1.pdf

Analyzing the schematic.

Analyzing the PCB layout.

I reviewed the part data and found an official Bel drawing PDF that should be used as the Datasheet property for this part project:
  • Datasheet URL: PDF
Part review summary

Current project metadata

FieldValue
MPN2250629-1
ManufacturerBel / TRP Connector
Part typeConnector
Package / case codeTO
Designator prefixJ
Schematic terminal count in project26 terminals
Footprint assetBEL_2250629-1.kicad_mod

Datasheet-derived metadata

CategoryExtracted data
DescriptionMagJack ICM, 1x1 4UTG02LET 10G 4PPoE TAB DOWN
Ethernet / magnetics10GBASE-T, integrated magnetics, 100 ohm impedance, all four pairs bi-directional
PoE4PPoE, 120 W noted, 1.3 A DC max in one section
Isolation2250 VDC for 60 s in one section; another section reports 1500 Vrms min
Turns ratio1CT:1CT TX and RX
OCL350 uH min @ 100 kHz, 0.1 Vrms, 8 mA DC bias in one section; another section reports 160 uH min @ 8 mA and 120 uH min @ 23 mA
Insertion loss-1.0 dB max, 1 MHz to 100 MHz in one section; another section gives -0.8 dB / -1.4 dB over wider ranges
Return loss-18 dB min to -10 dB min over frequency bands
Crosstalk / CMR-30 dB min over 1 MHz to 100 MHz in one section; another section reports -25 dB style limits
Operating temperatureConflicting extraction: 0 C to +70 C in one section, -40 C to +100 C in notes
Storage temperature-40 C to +85 C
SolderingWave soldering, peak 260 C, 10 s max
HousingThermoplastic, UL 94V-0
LED notesLEDs driven at approx 20 mA; green VF 2.2 V typ, orange VF 2.1 V typ

Pin description cross-check

Datasheet pinDatasheet functionIn-project terminal
1TD1+TRD1
2TD1-TRD1-
3CT1TRCT1
4NCTRD2
5NCTRD2-
6RD1+TRCT2
7RD1-TRD3
8CT2TRD3-
9LED2+TRCT3
10LED1+TRD4
11LED2-TRD4-
12LED1-TRCT4
13LED / aux pin in footprint regionVC45
14LED / aux pin in footprint regionVC78
15LED / aux pin in footprint regionVC36
16LED / aux pin in footprint regionVC12
17LED pin~
18LED pin~
19LED pin~
20LED pin~
SH1-SH6Shield tabsSHIELD, SHIELD, SHIELD, SHIELD, SHIELD, SHIELD

Manufacturing-risk findings

SeverityFindingWhy it matters
HighThe schematic symbol naming does not match the datasheet pin functions. Pins that the datasheet marks NC are currently exposed as signal terminals, and several center-tap / LED / pair names appear shifted.This can cause wrong net assignments, bad magnetics hookup, LED miswiring, or complete link failure.
HighThe project description says -40 to 85 C and 4PPoE 120 W, but the extracted drawing text contains conflicting operating ranges and current data.Ordering or design decisions based on the current project text may be wrong unless the datasheet property is attached and the exact source is reviewed.
MediumProject property Package or Case Code = TO does not look meaningful for this connector.Can confuse downstream metadata, filtering, and part selection.
MediumThe footprint appears structurally consistent with the drawing: 20 signal/LED holes, 6 shield holes, and 1 NPTH are present, with drill sizes matching the extracted drawing.Good sign for manufacturability, but the symbol-to-footprint pin mapping still needs correction.
MediumThe footprint includes a keepout / grounding-tab region note consistent with the drawing.If ignored in a real board, copper or traces under the tab area could create assembly or EMC issues.
Bottom line
  • The footprint looks largely aligned mechanically with the drawing.
  • The schematic symbol pin naming/mapping is the main risk.
  • The official Bel PDF above should be added as the Datasheet property for this part.
39 days
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2250629-1

2250629-1 thumbnail
Single-port RJ45 MagJack Ethernet connector with integrated magnetics, supporting 10GBASE-T and up to 120 W PoE, designed for PCB mounting in networking equipment.

Properties

2250629-1

Bel Fuse

Connectors

snapeda.com/parts/2250629-1/Bel%20Fuse/datasheet/

J

TO

creativecommons.org/licenses/by/4.0/

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