Backplane Connectors - Hard Metric, Standard

Image Part Number Description / PDF Quantity Rfq
HM2P71PDE121N9LF

HM2P71PDE121N9LF

Storage & Server IO (Amphenol ICC)

CONN HEADER 133POS 2MM PRESS-FIT

576

HM2R69PA5101N9LF

HM2R69PA5101N9LF

Storage & Server IO (Amphenol ICC)

CONN RECEPT

0

HM2P07PD5110L9LLF

HM2P07PD5110L9LLF

Storage & Server IO (Amphenol ICC)

CONN HEADER 110POS 2MM PRESS-FIT

0

HM2R95PA8100AALF

HM2R95PA8100AALF

Storage & Server IO (Amphenol ICC)

CONN RECEPT 200POS 2MM PRESS-FIT

0

HM2J09PEA310N9LF

HM2J09PEA310N9LF

Storage & Server IO (Amphenol ICC)

CONN HARD METRIC

0

HM2S70PE5101N9LF

HM2S70PE5101N9LF

Storage & Server IO (Amphenol ICC)

CONN RECEPT 154POS 2MM PRESS-FIT

278

HM2P07PMP324GFLF

HM2P07PMP324GFLF

Storage & Server IO (Amphenol ICC)

CONN HEADER 154POS 2MM PRESS-FIT

0

HM2P88PDF1AGN9LF

HM2P88PDF1AGN9LF

Storage & Server IO (Amphenol ICC)

CONN HARD METRIC

0

HM2P08PDP2W0N9LF

HM2P08PDP2W0N9LF

Storage & Server IO (Amphenol ICC)

CONN HEADER 125POS 2MM PRESS-FIT

0

HM2P11PDG3L0N9LF

HM2P11PDG3L0N9LF

Storage & Server IO (Amphenol ICC)

CONN HEADER 58POS 2MM PRESS-FIT

0

HM2P07PNF3G0GFLF

HM2P07PNF3G0GFLF

Storage & Server IO (Amphenol ICC)

CONN HARD METRIC

0

HM2P09PZ5111N9LF

HM2P09PZ5111N9LF

Storage & Server IO (Amphenol ICC)

CONN HEADER 77POS 2MM PRESS-FIT

0

HM2J09PE51P0N9LF

HM2J09PE51P0N9LF

Storage & Server IO (Amphenol ICC)

CONN HEADER 55POS 2MM PRESS-FIT

0

HM2P67PNE124GFLF

HM2P67PNE124GFLF

Storage & Server IO (Amphenol ICC)

CONN HARD METRIC

0

HM2P07PMG1A4GFLF

HM2P07PMG1A4GFLF

Storage & Server IO (Amphenol ICC)

CONN HARD METRIC

0

HM2P71PMS2P4GFLF

HM2P71PMS2P4GFLF

Storage & Server IO (Amphenol ICC)

CONN HEADER 133POS 2MM PRESS-FIT

0

HM2P07PAE120ABLF

HM2P07PAE120ABLF

Storage & Server IO (Amphenol ICC)

CONN HARD METRIC

0

HM2P09PDE1U1N9LF

HM2P09PDE1U1N9LF

Storage & Server IO (Amphenol ICC)

CONN HEADER 77POS 2MM PRESS-FIT

0

HM2P08PMF190GFLF

HM2P08PMF190GFLF

Storage & Server IO (Amphenol ICC)

CONN HEADER 125POS 2MM PRESS-FIT

0

HM2P71PN5114GLLF

HM2P71PN5114GLLF

Storage & Server IO (Amphenol ICC)

CONN HEADER 133POS 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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