Phoenix Contact Part Review
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Part Datasheet Cross-Check: Phoenix Contact 1777109
Reviewed available part information for Flux part 1777109 / Phoenix Contact MSTBV 2,5/ 5-GF-5,08, including project/library metadata, schema...
Completed the review and created the detailed report: Part Datasheet Cross-Check: Phoenix Contact 1777109.
Open items:
- Datasheet URL was already set correctly, so no update was needed.
- Main mismatch flagged: the datasheet defines 5 electrical positions, but the part exposes 7 schematic terminals; pins/pads 6–7 appear to be mechanical flange holes.
- I also filed an internal part-quality report for the likely symbol/footprint issue.
Suggested next steps:
- Fix the symbol to expose only terminals 1–5 electrically.
- Convert pads 6–7 to mechanical/NPTH no-connect holes after confirming official Phoenix ECAD geometry.
- Add clear pin descriptions and verify pads 1–5 are PTH with 1.4 mm drill.
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Part Datasheet Cross-Check: Phoenix Contact 1777109
Scope
Reviewed available part information for Flux part
1777109 / Phoenix Contact MSTBV 2,5/ 5-GF-5,08, including project/library metadata, schematic terminals, footprint pad geometry, and datasheet-derived specifications.Current part metadata found
Table
| Field | Current value |
|---|---|
| Flux part name | 1777109 |
| Manufacturer Part Number | 1777109 |
| Manufacturer Name | Phoenix Contact |
| Part Type | Connectors |
| Connector subtype | Headers and Wire Housings |
| Designator Prefix | J |
| Mount | Solder |
| Compliance | Green |
| Lifecycle status | Active |
| Datasheet URL | https://www.phoenixcontact.com/en-us/products/pcb-header-mstbv-25-5-gf-508-1777109?type=pdf |
| Library terminal count | 7 |
| Available assets reported by index | 1777109.kicad_mod, 1777109.stp, symbol thumbnail |
The Datasheet URL was already set, so no datasheet property update was needed.
Official datasheet/source used
- Phoenix Contact official product/datasheet URL: https://www.phoenixcontact.com/en-us/products/pcb-header-mstbv-25-5-gf-508-1777109?type=pdf
- Phoenix Contact product page variants/search results confirmed the same item number and specs.
Key datasheet specifications
Table
| Category | Datasheet value |
|---|---|
| Product | MSTBV 2,5/ 5-GF-5,08 PCB header |
| Item number | 1777109 |
| Product family | MSTBV 2,5/..-GF, COMBICON MSTB 2,5 |
| Number of positions | 5 |
| Number of potentials | 5 |
| Number of connections | 5 |
| Number of rows | 1 |
| Pitch | 5.08 mm |
| Contact span, position 1 to 5 | 20.32 mm |
| Nominal current | 12 A |
| Rated voltage III/2 | 320 V |
| Rated voltage III/3 | 250 V |
| Rated voltage II/2 | 400 V |
| Rated surge voltage | 4 kV |
| Contact resistance | 2 mΩ |
| Contact surface | Tin / Sn, 3–5 µm over Ni |
| Contact material | Cu alloy |
| Housing | PBT, green 6021, UL 94 V0 |
| Mounting | Wave soldering |
| Mechanical locking | Screw locking mechanism, threaded flange |
| Solder pin length | 3.9 mm |
| Pin dimensions | 1 mm x 1 mm |
| PCB hole diameter for electrical pins | 1.4 mm |
| Width | 35.56 mm |
| Height | 15.9 mm |
| Length/depth | 8.57 mm |
| Installed height | 12 mm |
| Operating temperature | -40 °C to +105 °C, dependent on derating curve |
| Packing | Cardboard, 250 pc |
| GTIN | 4017918039271 |
Schematic review
Observed schematic representation:
- Seven
Terminalcomponents numbered1through7. - Each terminal has
Pin Type: Unspecified. - Pin details render as
undefined. - Pin descriptions are not populated.
Cross-check result:
- Datasheet defines 5 electrical positions / 5 potentials / 5 connections, not 7.
- Terminals
1–5align with the five electrical connector positions. - Terminals
6and7appear to correspond to the two flange/mounting holes and should not normally be exposed as connectable schematic terminals.
Footprint review
Observed footprint pad nodes:
Table
| Pad | Observed role | Observed position | Observed shape/size | Datasheet/reference expectation |
|---|---|---|---|---|
| 1 | Electrical contact | x = 0 mm | rectangular, approx. 2.1 mm | PTH pad, drill 1.4 mm; rectangular pin-1 marker is acceptable |
| 2 | Electrical contact | x = 5.08 mm | circular, approx. 2.1 mm | PTH pad, drill 1.4 mm |
| 3 | Electrical contact | x = 10.16 mm | circular, approx. 2.1 mm | PTH pad, drill 1.4 mm |
| 4 | Electrical contact | x = 15.24 mm | circular, approx. 2.1 mm | PTH pad, drill 1.4 mm |
| 5 | Electrical contact | x = 20.32 mm | circular, approx. 2.1 mm | PTH pad, drill 1.4 mm |
| 6 | Likely flange/mounting hole | x = -5.08 mm | circular, approx. 3.6 mm | Mechanical/NPTH mounting hole, not schematic electrical terminal |
| 7 | Likely flange/mounting hole | x = 25.4 mm | circular, approx. 3.6 mm | Mechanical/NPTH mounting hole, not schematic electrical terminal |
The 5.08 mm pitch and five electrical pad centers match the datasheet. The two extra locations at -5.08 mm and +25.4 mm are plausible flange/mounting-hole positions, consistent with public KiCad-style footprints for this Phoenix MSTBV-GF family.
Mismatches / issues flagged
- Electrical terminal count mismatch: Flux/library terminal count is
7, while the datasheet has5electrical positions/connections/potentials. The extra two are almost certainly mechanical flange/mounting holes. - Symbol exposes mechanical features as terminals: Schematic terminals
6and7should likely be removed from the electrical symbol or marked as non-electrical/mechanical/no-connect if Flux requires them to exist. - Pin descriptions missing: All schematic terminal pin details appear as
undefined; terminals should at least be described asPosition 1throughPosition 5for the electrical contacts. - Pin type ambiguous:
Unspecifiedmay be tolerated for connector terminals, butPassiveor a connector-appropriate pin type would be cleaner and more informative. - Footprint drill/through-hole metadata appears incomplete in readback: The footprint readback showed pad shape, position, and size, but did not show explicit
padHoleType, plating, orholeSizeon pads 1–5. Datasheet requires 1.4 mm PCB holes for the square 1 mm solder pins. - Mounting holes likely modeled incorrectly: Pads/terminals
6and7appear as pad nodes rather than clearly non-plated mechanical holes. They should not carry nets or appear as normal electrical terminals. - Mounting-hole exact geometry should be verified against the official ECAD/mechanical drawing: The datasheet text extract confirms threaded flange/screw mounting but does not fully expose the flange-hole footprint dimensions in text. Public KiCad reference geometry suggests NPTH 2.4 mm holes at -5.08 mm and +25.4 mm, but production correction should use the official Phoenix ECAD/dimensional drawing or a physical sample if available.
Recommended corrections
- Update the part symbol to expose only terminals
1–5as electrical connector contacts. - If mechanical holes must remain in the part model, mark them as mechanical/non-electrical and exclude them from schematic connectivity/BOM terminal count where possible.
- Add pin descriptions for positions
1–5. - Set connector pin types to
Passiveor the platform’s connector-appropriate type. - Ensure electrical footprint pads
1–5are plated through-hole with drill/hole diameter1.4 mm. - Convert flange holes to non-plated mechanical holes with no net connectivity, after confirming the exact hole diameter/placement from official Phoenix ECAD data.
Conclusion
The metadata and datasheet URL are correct. The main quality concern is that the part appears to model a 5-position connector plus 2 mounting holes as a 7-terminal electrical schematic part, which conflicts with the datasheet and could cause incorrect schematic connectivity or PCB manufacturing output if used as-is.
Scope
Current part metadata found
Official datasheet/source used
Key datasheet specifications
Schematic review
Footprint review
Mismatches / issues flagged
Recommended corrections
Conclusion
