Part Information Review and Updates

flux

2:47

Clarifying project updates.

Reviewing project datasheet.

Analyzing the PCB layout.

Analyzing the schematic.

Looking for "Exact manufacturer part number, manufacturer name, product description, package style, mount type, number of contacts/positions, and key connector specifications for BM23PF0.8-10DP-0.35V(51)." in BM23PF_catalog-1147339.pdf

Looking for "Complete pin numbering, pin names, and pin descriptions for BM23PF0.8-10DP-0.35V(51). Include which pins are power pins and which are signal pins." in BM23PF_catalog-1147339.pdf

Looking for "Mechanical/land pattern/package information for BM23PF0.8-10DP-0.35V(51), including footprint dimensions, pitch, and any recommended PCB layout details." in BM23PF_catalog-1147339.pdf

Looking for "For BM23PF0.8-10DP-0.35V(51), identify the exact function of contacts 1 through 10 and the four metal pads or tabs if shown. Which contact numbers are power contacts and which are signal contacts?" in BM23PF_catalog-1147339.pdf

Looking for "Does the BM23PF0.8-10DP-0.35V(51) datasheet show named pin descriptions for each pin, or only numbered contacts? Summarize exactly what pin-level information is provided." in BM23PF_catalog-1147339.pdf

Looking for "For the 10-position header BM23PF0.8-10DP-0.35V(51), how many SMT electrical contacts and how many mechanical hold-down pads are in the recommended PCB layout? Summarize the pad count and what the extra pads represent." in BM23PF_catalog-1147339.pdf

Analyzing pin types for connectors.

Organizing data sections.

Identifying package mismatch.

Addressing description mismatch.

Part review summary
I checked the current part project against the existing datasheet URL in the project, so I did not need to search the web or update the datasheet property.

Metadata audit

FieldIn projectDatasheet / source checkStatus
Manufacturer Part NumberBM23PF0.8-10DP-0.35V(51)Matches Hirose catalog entry✅ Match
Manufacturer NameHiroseDatasheet identifies Hirose / Hirose Electric✅ Match
Designator PrefixJAppropriate for a connector✅ Match
MountSurface MountDatasheet says Straight SMT✅ Match
Package or Case CodeTODatasheet indicates a 0.35 mm pitch, 0.8 mm stacking height, straight SMT board-to-board / board-to-FPC header❌ Mismatch
Project description"Board to Board & Mezzanine Connectors 10P HDR STRGHT SMT HYBRID W/POWER"Broadly consistent with the datasheet✅ Acceptable

Key specs from the datasheet

SpecValue
Connector familyBM23PF Series
Exact variantBM23PF0.8-10DP-0.35V(51)
TypeHeader
Contact count10 electrical contacts
Extra pads4 mechanical hold-down / guide pads
Total SMT pads in footprint14
Pitch0.35 mm
Stacking height0.8 mm
Mounting styleStraight SMT
Rated current5 A on power contacts, 0.3 A on signal contacts
Rated voltage30 V AC/DC
Operating temperature-55 °C to 85 °C
Signal capabilitySupports USB 3.1 Gen.2 (10 Gbps) per series datasheet

Symbol cross-check

CheckResult
Terminal count14 terminals present
Expected from datasheet10 contacts + 4 mechanical pads = 14 total
Numbering style1-10 plus MP1-MP4 is consistent with the datasheet structure
Per-pin descriptionsDatasheet does not provide named signal descriptions for each contact, only numbered contacts plus power-vs-signal classification
Current pin metadataAll terminals currently have Pin Type = Unspecified
Symbol findings
  • The terminal count is correct.
  • The presence of MP1-MP4 is consistent with the datasheet's 4 mechanical hold-down / guide pads.
  • The symbol is structurally correct, but the pin metadata is incomplete:
    • Contacts 1 and 10 should be identified as power contacts
    • Contacts 2-9 should be identified as signal contacts
    • MP1-MP4 are mechanical tabs, not normal signal contacts

Footprint cross-check

CheckResult
Pad count in layout14 pads
Expected pad count14 pads
Mechanical pad presencePresent
Recommended PCB layout existenceDatasheet provides one for this exact variant
Footprint findings
  • The footprint pad count matches the datasheet.
  • The inclusion of 4 extra mechanical pads also matches the datasheet.
  • I could confirm the count and structure, but the layout tool output here did not expose pad dimensions/coordinates, so I could not fully verify exact pad geometry, spacing, or land sizes against the recommended PCB layout drawing from the datasheet.

Pin-description cross-check

ItemResult
Named per-pin functions in datasheetNot provided
Can current terminal labels be verified against names?No, because the datasheet only gives numbering/classification, not signal names
Can power-vs-signal grouping be verified?Yes

Verified contact classification

Contact groupDatasheet classification
1, 10Power contacts
2-9Signal contacts
MP1-MP4Mechanical hold-down / guide pads

Mismatches / issues to flag

IssueSeverityNotes
Package or Case Code = TOHighThis is incorrect for this connector
All terminal Pin Type values are UnspecifiedMediumMetadata is incomplete
No short pin descriptions on terminalsLowDatasheet does not give full signal names, but power/signal/mechanical descriptions can still be added
Exact footprint geometry not fully verifiedMediumPad count matches, but dimensional verification needs pad geometry data

Recommended corrections

Field / areaRecommended value
Package or Case CodeSomething like BM23PF 10P Header, 0.35 mm pitch, 0.8 mm stack height
Pin Type for contacts 1 and 10Mark as power-related
Pin Type for contacts 2-9Mark as signal/passive
Pin description for MP padsMark as mechanical hold-down / guide tab
Bottom line
  • MPN, manufacturer, mount, and overall description are fine
  • Package field is wrong
  • Symbol terminal count matches the datasheet
  • Footprint pad count matches the datasheet
  • Pin metadata is incomplete
  • No datasheet URL action was needed because one is already set
If you want, I can next update the incorrect package field and fill in the terminal pin types/descriptions for this part.
Fix all mismatches
Check footprints too
Focus on power parts
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BM23PF0.8-10DP-0.35V(51)

BM23PF0.8-10DP-0.35V(51) thumbnail
10 Position Connector Header, Outer Shroud Contacts Surface Mount Gold The BM23PF0.8-10DP-0.35V(51) is a surface-mount plug-type connector in the BM23 series, featuring an ultra-fine 0.35 mm pitch and low-profile 0.8 mm stacking height. It is engineered for space-constrained applications while supporting high-speed signal transmission and stable electrical performance. Connector Type: Board-to-board (mezzanine), plug (male header) Number of Positions: 10 pins (dual-row configuration) Pitch: 0.35 mm (fine pitch for compact layouts) Mated Height: 0.8 mm (ultra-low profile) Mounting Type: Surface Mount (SMT) Orientation: Straight / vertical connection Contact Plating: Gold (for reliable signal integrity) High-Speed Capability: Up to 10 Gbps data transmission Rated Current: up to 5 A Rated Voltage: 30 V (AC/DC) Contact Resistance: ≤ 90 mΩ Operating Temperature: -55 °C to +85 °C Durability: Designed for multiple mating cycles with stable contact performance #CommonPartsLibrary #Connector #BM23

Properties

BM23PF0.8-10DP-0.35V(51)

Hirose

Connector

mouser.com/datasheet/3/731/1/BM23PF0.8_10DP_0.35V_51_CL0480_0306_0_51_2DDrawing_BM23PF0.8_DP_0.35V_51_2D_ENG_Multi.pdf

J

Surface Mount

TO

creativecommons.org/licenses/by/4.0/

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