Datasheet Review and Part Validation

Thought for 2 mins 9 sec

Step 1: Available part information Project metadata

Table

Field	Value
MPN	691103110002
Manufacturer	Würth
Description	WR-TBL Terminal block - Wire protector - THT Serie 1031 - 3.50 mm pitch - Modular THT - Blue - Horizontal cable entry - Wire Protector - 8.4 mm height - 2 positions
Mount	Through Hole
Intended designator prefix	J
Datasheet property present	Yes
Datasheet property value	PDF

Current schematic/part-project structure

Table

Item	Observed
Schematic elements	Two separate one-pin symbols: 1, 2
Nets	None defined
Symbol pin naming	Undefined on both symbol pins
Symbol pin type	Unspecified
Symbol designator prefix on elements	P
Footprint pads	2 through-hole pads
Footprint source asset	`691103110002.kicad_mod`
3D model asset	`Download_STP_691103110002+%28rev1%29.stp`

Step 2: Datasheet URL check

A datasheet URL is already set on the part, so no web search or property update was required.

Step 3: Datasheet scan and extracted metadata

I also followed the link chain embedded in the existing PDF and scanned the official Würth datasheet here:

Official Datasheet

Core datasheet metadata

Table

Field	Value
Order code	691103110002
Series	WR-TBL Series 1031
Type	Horizontal cable entry wire protector terminal block
Positions	2
Pitch	3.5 mm
Wire range, solid	26 to 16 AWG / 0.2 to 1 mm²
Wire range, stranded	26 to 16 AWG / 0.2 to 1 mm²
Strip length	5 to 6 mm
Tightening torque	0.2 N·m / 1.7 in·lbf
Screw size	M2
Insulator material	PA66, blue
Wire guard	Stainless steel
Pins	Brass, tin over nickel plating
Screw material	Steel, zinc plated
Approval	cULus E315414
General tolerance	DIN ISO 2768-1m

Electrical characteristics found

Table

Parameter	Value	Source note
Contact resistance	20 mΩ max.	Explicitly found
Withstanding voltage	1250 V	Explicitly found
Operating temperature	-40 °C to +105 °C	Explicitly found
Flammability	UL94 V-0	Explicitly found
Current rating	Not explicitly found in the indexed official datasheet text	Product metadata surfaced 10 A
Working voltage	Not explicitly found in the indexed official datasheet text	Product metadata surfaced 125 V
Insulation resistance	Not found	No indexed match

Absolute maximum ratings / limiting values

Table

Item	Result
Absolute maximum ratings table	No explicit table found
Limiting values section	No explicit section found
Closest available limits	Operating temperature -40 °C to +105 °C, Withstanding voltage 1250 V, Contact resistance 20 mΩ max.

Recommended operating conditions / assembly conditions

Table

Parameter	Value
Solid wire section	26 to 16 AWG / 0.2 to 1 mm²
Stranded wire section	26 to 16 AWG / 0.2 to 1 mm²
Strip length	5 to 6 mm
Tightening torque	0.2 N·m / 1.7 in·lbf
Wave solder preheat	100 °C min, 120 °C typical, 130 °C max
Preheat time	70 s
Peak temp, Pb-free	250 °C to 260 °C
Peak temp, Sn-Pb	235 °C to 260 °C
Peak duration	10 s max; 5 s max each wave
Ramp-down	~2 to ~5 K/s
Full 25 °C to 25 °C profile time	4 min

Pin descriptions

Table

Pin	Datasheet description
1	Terminal 1
2	Terminal 2

Package dimensions

Table

Parameter	Value
Pins	2
Pin pitch	3.5 ±0.10 mm
Length L	7.0 ±0.15 mm
Width W	10.0 mm
Height H	8.4 ±0.10 mm
Recommended hole diameter	1.2 ±0.10 mm
Pin diameter	0.9 ±0.10 mm
Recommended outer pad feature	2.0 ±0.10 mm

Special features

Table

Feature	Value
Connection style	Horizontal cable entry
Terminal style	Wire protector
Construction	Modular
Lifecycle note	Active / expected lifetime >10 years surfaced in product metadata

Step 4: Symbol and footprint cross-check Cross-check results

Table

Area	Datasheet	In project	Status	Risk
Pin count	2	2	Match	Low
Pad pitch	3.5 mm	3.5 mm	Match	Low
Drill size	1.2 ±0.10 mm recommended	1.2 mm	Match	Low
Pad outer diameter	2.0 ±0.10 mm recommended	1.8 mm	Mismatch	Medium-High
Symbol pin labels	1, 2	Pins exist as separate symbols but labels/functions are undefined	Mismatch / incomplete	Medium
Symbol organization	One 2-position connector	Two separate one-pin symbols: 1, 2	Mismatch	High
Designator prefix	Connector-style part, project property says J	Symbol elements use prefix P	Mismatch	Medium
Footprint mechanical envelope	7.0 mm x 10.0 mm x 8.4 mm body	Fab outline in footprint asset appears inconsistent with those body dimensions	Needs verification	Medium

Key issues to flag

Table

Severity	Issue	Why it matters
High	The part-project schematic is built as two separate one-pin symbols instead of one 2-pin connector symbol	This can break usability when the part is placed into real designs, confuse connectivity, and create symbol-to-footprint mapping problems
High	Symbol pins are undefined / unspecified rather than clearly defined as pin 1 and pin 2	Increases risk of incorrect pin mapping, poor documentation, and library-quality issues
Medium-High	Footprint pad diameter is 1.8 mm, while the recommended outer pad feature is 2.0 ±0.10 mm	Reduced annular ring can hurt manufacturability and robustness, especially with THT assembly tolerances
Medium	Designator prefix is inconsistent: project says J, symbol elements show P	Can cause connector naming inconsistency in downstream designs and BOM/readability problems
Medium	The footprint body outline appears inconsistent with the datasheet’s 7.0 mm x 10.0 mm body dimensions	May cause silkscreen/fab/mechanical interference errors even if hole pattern is usable

Bottom line Good

Table

Item	Result
Pin count	Correct
Pitch	Correct
Drill diameter	Correct
3D model present	Yes

Problems that should be fixed before trusting this as a reusable part

Table

Item	Priority
Replace the two separate one-pin symbols with a single proper 2-pin connector symbol	Highest
Define pins explicitly as 1 and 2 with proper types	High
Increase THT pad OD from 1.8 mm toward the datasheet-recommended 2.0 mm	High
Align symbol prefix to J consistently	Medium
Verify the fab/silkscreen body outline against 7.0 mm x 10.0 mm x 8.4 mm	Medium

If you want, I can next determine exactly which of those fixes I’m able to apply in this part project.

Check fix workflow

Inspect pad geometry

Review BOM metadata

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