Backplane Connectors - Hard Metric, Standard

Image Part Number Description / PDF Quantity Rfq
HM2P91PDJ1M1N9L1LF

HM2P91PDJ1M1N9L1LF

Storage & Server IO (Amphenol ICC)

MPAC 8R ST PF HDR

0

HM2P07PDF7Y5N9LF

HM2P07PDF7Y5N9LF

Storage & Server IO (Amphenol ICC)

CONN HARD METRIC

0

HM2P07PDG280N9LF

HM2P07PDG280N9LF

Storage & Server IO (Amphenol ICC)

CONN HARD METRIC

0

HM2P09PDT010N9LF

HM2P09PDT010N9LF

Storage & Server IO (Amphenol ICC)

CONN HARD METRIC

0

HM2P66PDR3T5N9LF

HM2P66PDR3T5N9LF

Storage & Server IO (Amphenol ICC)

CONN HARD METRIC

0

HM2P95PDK131N9LF

HM2P95PDK131N9LF

Storage & Server IO (Amphenol ICC)

CONN HEADER 244POS 2MM PRESS-FIT

0

HM2P87PDH191N9LF

HM2P87PDH191N9LF

Storage & Server IO (Amphenol ICC)

CONN HARD METRIC

0

HM2R01PA5101N9STLF

HM2R01PA5101N9STLF

Storage & Server IO (Amphenol ICC)

MPAC 5R ST PF HDR

0

HM2R88PA8101N9STLF

HM2R88PA8101N9STLF

Storage & Server IO (Amphenol ICC)

CONN RECEPT 200POS 2MM PRESS-FIT

0

HM2C11P22FCLF

HM2C11P22FCLF

Storage & Server IO (Amphenol ICC)

MPACS COVER

0

HM2P08PKJ2A5GFLF

HM2P08PKJ2A5GFLF

Storage & Server IO (Amphenol ICC)

CONN HEADER 150POS 2MM PRESS-FIT

0

HM2P71PK5114GFLF

HM2P71PK5114GFLF

Storage & Server IO (Amphenol ICC)

CONN HEADER 95POS TYPE B VERT

0

HM2P89PK8111GFLF

HM2P89PK8111GFLF

Storage & Server IO (Amphenol ICC)

CONN HEADER 110POS 2MM PRESS-FIT

0

HM2R88PAGA20N9LF

HM2R88PAGA20N9LF

Storage & Server IO (Amphenol ICC)

MPACS TYPE E REC

0

HM2P07PNJ1U0GLLF

HM2P07PNJ1U0GLLF

Storage & Server IO (Amphenol ICC)

CONN HEADER 110POS 2MM PRESS-FIT

0

HM2P08PNJ3L5GFLF

HM2P08PNJ3L5GFLF

Storage & Server IO (Amphenol ICC)

CONN HEADER 175POS 2MM PRESS-FIT

0

HM2PN1PNF3T5GFLF

HM2PN1PNF3T5GFLF

Storage & Server IO (Amphenol ICC)

CONN HEADER 132POS 2MM PRESS-FIT

0

HM2P07PDN3E1N9LF

HM2P07PDN3E1N9LF

Storage & Server IO (Amphenol ICC)

CONN HEADER 154POS 2MM PRESS-FIT

0

HM2R02PA5101N9LF

HM2R02PA5101N9LF

Storage & Server IO (Amphenol ICC)

CONN RECEPT 125POS 2MM PRESS-FIT

0

HM2P70PDE1U0N9LF

HM2P70PDE1U0N9LF

Storage & Server IO (Amphenol ICC)

CONN HEADER 110POS 2MM PRESS-FIT

0

Backplane Connectors - Hard Metric, Standard

1. Overview

Hard Metric Standard Backplane Connectors are precision-engineered electrical components designed for high-density interconnection in complex systems. Defined by their standardized 2.54mm (0.1") grid spacing, these connectors ensure mechanical and electrical compatibility across generations of equipment. Their importance in modern technology stems from enabling scalable, high-reliability architectures in telecommunications, industrial automation, and mission-critical computing systems.

2. Main Types & Functional Classification

TypeKey FeaturesApplications
2.54mm Hard MetricStandardized pitch, 1-6 rows, up to 60A per contactTelecom switches, industrial controllers
2.00mm Hard MetricReduced pitch, enhanced vibration resistanceHigh-density servers, medical imaging
1.27mm Hard MetricUltra-high density, low insertion forceCompact test equipment, aerospace systems

3. Structure & Composition

Typical construction includes: - Insulating housing (LCP/nylon with high thermal stability) - Contact array (phosphor bronze with gold/silver plating) - Polarization keying for mating assurance - EMI shielding via integrated metal frames - Actuation mechanism (lever-assisted or push-pull variants)

4. Key Technical Specifications

ParameterTypical ValueImportance
Current Rating1-60A per contactDetermines power delivery capacity
Contact Resistance 5m Impacts signal integrity
Dielectric Strength1000VACSafety and insulation reliability
Mating Cycles200-2000 cyclesSystem longevity indicator
Operating Temp-55 C to +125 CEnvironmental robustness

5. Application Fields

  • Telecommunications: 5G base stations, optical transport systems
  • Industrial: PLC backplanes, test & measurement equipment
  • Medical: MRI scanners, diagnostic imaging systems
  • Transportation: Rail signaling systems, avionics

6. Leading Manufacturers & Products

ManufacturerProduct SeriesKey Features
TE ConnectivityHERMHARD HM2.54mm, 3-row, 3000V isolation
AmphenolHarshIO HMIP67-rated, extreme vibration resistance
MolexMX Hard MetricHigh-speed differential pairs, 25Gbps

7. Selection Guidelines

Key considerations include: - Electrical requirements (current/voltage per contact) - Mechanical constraints (board spacing, mating force) - Environmental conditions (temperature, vibration) - Future scalability (modular design compatibility) - Cost optimization (total lifecycle vs upfront cost)

8. Industry Trends

Emerging developments include: - Integration with optical backplane technology - Increased adoption of 1.27mm pitch for compact systems - Enhanced thermal management solutions - RoHS-compliant plating materials (replacing cadmium) - Smart connectors with integrated diagnostics

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