Backplane Connectors - Hard Metric, Standard

Image Part Number Description / PDF Quantity Rfq
HM2R89P1V1

HM2R89P1V1

Storage & Server IO (Amphenol ICC)

CONN RECEPT

0

HM2P07PDF2Y1N9LF

HM2P07PDF2Y1N9LF

Storage & Server IO (Amphenol ICC)

CONN HARD METRIC

0

HM2P07PKR3N5GFLF

HM2P07PKR3N5GFLF

Storage & Server IO (Amphenol ICC)

MPACS STR HDR TYPE-A

0

HM2R67PA5100N9LF

HM2R67PA5100N9LF

Storage & Server IO (Amphenol ICC)

CONN RECEPT 110POS 2MM PRESS-FIT

0

HM2R87PA8101E9LF

HM2R87PA8101E9LF

Storage & Server IO (Amphenol ICC)

MPACS BACK PLANE CONN

0

HM2S02PD51N0N9LF

HM2S02PD51N0N9LF

Storage & Server IO (Amphenol ICC)

5R STR REC TYPB 0.76UGXT

0

HM2R89PA810FN9LF

HM2R89PA810FN9LF

Storage & Server IO (Amphenol ICC)

CONN RECEPT 88POS 2MM PRESS-FIT

0

HM2P70PNS2L4GFLF

HM2P70PNS2L4GFLF

Storage & Server IO (Amphenol ICC)

CONN HEADER 154POS 2MM PRESS-FIT

0

HM2P08PNJ395GFLF

HM2P08PNJ395GFLF

Storage & Server IO (Amphenol ICC)

CONN HEADER 175POS 2MM PRESS-FIT

0

HM2P40PMJ1E5GLLF

HM2P40PMJ1E5GLLF

Storage & Server IO (Amphenol ICC)

CONN HEADER 154POS 2MM PRESS-FIT

0

HM2P07PDT221N9LF

HM2P07PDT221N9LF

Storage & Server IO (Amphenol ICC)

CONN HEADER 154POS 2MM PRESS-FIT

0

HM2P07PNU1F1GFLF

HM2P07PNU1F1GFLF

Storage & Server IO (Amphenol ICC)

CONN HEADER 154POS 2MM PRESS-FIT

0

HM2P65PDM3P5N9LLF

HM2P65PDM3P5N9LLF

Storage & Server IO (Amphenol ICC)

CONN HEADER 147POS 2MM PRESS-FIT

0

HM2P80PDS2T1N9LF

HM2P80PDS2T1N9LF

Storage & Server IO (Amphenol ICC)

CONN HEADER 77POS 2MM PRESS-FIT

0

HM2P08PKF1G0GFLF

HM2P08PKF1G0GFLF

Storage & Server IO (Amphenol ICC)

CONN HEADER 125POS 2MM PRESS-FIT

0

HM2P09PKE180GFLF

HM2P09PKE180GFLF

Storage & Server IO (Amphenol ICC)

CONN HEADER 55POS 2MM PRESS-FIT

0

10155105-101LF

10155105-101LF

Storage & Server IO (Amphenol ICC)

MILLIPACS HIGH SPEED RA RECEPT

0

HM2P95PDG110N9LF

HM2P95PDG110N9LF

Storage & Server IO (Amphenol ICC)

CONN HEADER 200POS 2MM PRESS-FIT

0

HM2P70PD5111N9LF

HM2P70PD5111N9LF

Storage & Server IO (Amphenol ICC)

CONN HEADER 154POS 2MM PRESS-FIT

0

HM2P08PDF3K1N9LF

HM2P08PDF3K1N9LF

Storage & Server IO (Amphenol ICC)

CONN HARD METRIC

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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