Backplane Connectors - Hard Metric, Standard

Image Part Number Description / PDF Quantity Rfq
HM2P07PKP2H5GFLF

HM2P07PKP2H5GFLF

Storage & Server IO (Amphenol ICC)

CONN HEADER 132POS 2MM PRESS-FIT

0

HM2P08PDT280N9LF

HM2P08PDT280N9LF

Storage & Server IO (Amphenol ICC)

CONN HARD METRIC

0

HM2P07PKF250GFLF

HM2P07PKF250GFLF

Storage & Server IO (Amphenol ICC)

CONN HEADER 154POS 2MM PRESS-FIT

0

HM2P70PMW1NCGFLF

HM2P70PMW1NCGFLF

Storage & Server IO (Amphenol ICC)

CONN HARD METRIC

0

HM2P65PN5110GFLF

HM2P65PN5110GFLF

Storage & Server IO (Amphenol ICC)

CONN HEADER 125POS 2MM PRESS-FIT

0

HM2J09PE51P8N9LF

HM2J09PE51P8N9LF

Storage & Server IO (Amphenol ICC)

CONN HARD METRIC

0

HM2PN1PDE120N9LF

HM2PN1PDE120N9LF

Storage & Server IO (Amphenol ICC)

CONN HEADER 200POS 2MM PRESS-FIT

0

HM2P07PMJ1E4GLLF

HM2P07PMJ1E4GLLF

Storage & Server IO (Amphenol ICC)

CONN HARD METRIC

0

HM2P87PDF1K1N9LF

HM2P87PDF1K1N9LF

Storage & Server IO (Amphenol ICC)

CONN HEADER

0

HM2P08PKS1U1N9LF

HM2P08PKS1U1N9LF

Storage & Server IO (Amphenol ICC)

CONN HEADER 175POS 2MM PRESS-FIT

0

HM2S30PD51M0ABLF

HM2S30PD51M0ABLF

Storage & Server IO (Amphenol ICC)

HM2 5R STR REC 'C' 1.25UAU

0

HM2P08PDJ2C5N9LF

HM2P08PDJ2C5N9LF

Storage & Server IO (Amphenol ICC)

CONN HARD METRIC

0

HM2P11PK5110GFLF

HM2P11PK5110GFLF

Storage & Server IO (Amphenol ICC)

CONN HEADER 58POS 2MM PRESS-FIT

0

HM2P07PDW2M0N9LF

HM2P07PDW2M0N9LF

Storage & Server IO (Amphenol ICC)

CONN HEADER 110POS 2MM PRESS-FIT

0

HM2P70PKT165GLLF

HM2P70PKT165GLLF

Storage & Server IO (Amphenol ICC)

CONN HEADER 154POS 2MM PRESS-FIT

0

HM2P07PDG1P1N9LF

HM2P07PDG1P1N9LF

Storage & Server IO (Amphenol ICC)

CONN HARD METRIC

0

HM2P07PDW240N9L1LF

HM2P07PDW240N9L1LF

Storage & Server IO (Amphenol ICC)

CONN HEADER 110POS 2MM PRESS-FIT

0

HM2P07PDE1R0N9LF

HM2P07PDE1R0N9LF

Storage & Server IO (Amphenol ICC)

CONN HEADER 110POS 2MM PRESS-FIT

0

HM2P09PD5110N9LLF

HM2P09PD5110N9LLF

Storage & Server IO (Amphenol ICC)

CONN HEADER 55POS 2MM PRESS-FIT

0

HM2P65PAE120ABLF

HM2P65PAE120ABLF

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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