Backplane Connectors - Hard Metric, Standard

Image Part Number Description / PDF Quantity Rfq
HM2P89PDK1L0N9LF

HM2P89PDK1L0N9LF

Storage & Server IO (Amphenol ICC)

CONN HARD METRIC

0

HM2P87PDC1L0N9LF

HM2P87PDC1L0N9LF

Storage & Server IO (Amphenol ICC)

CONN HARD METRIC

0

HM2P07PDP2P1N9LF

HM2P07PDP2P1N9LF

Storage & Server IO (Amphenol ICC)

CONN HEADER 154POS 2MM PRESS-FIT

0

HM2P08PKF1K4GFLF

HM2P08PKF1K4GFLF

Storage & Server IO (Amphenol ICC)

CONN HEADER 175POS 2MM PRESS-FIT

0

HM2P07PNW2K4GFLF

HM2P07PNW2K4GFLF

Storage & Server IO (Amphenol ICC)

CONN HEADER 154POS 2MM PRESS-FIT

0

HM2P87PK8111GFLF

HM2P87PK8111GFLF

Storage & Server IO (Amphenol ICC)

CONN HEADER 220POS 2MM PRESS-FIT

0

HM2J08PEE128N9LF

HM2J08PEE128N9LF

Storage & Server IO (Amphenol ICC)

CONN HARD METRIC

0

HM2P08PDR2Y0N9LF

HM2P08PDR2Y0N9LF

Storage & Server IO (Amphenol ICC)

CONN HARD METRIC

0

HM2P88PKA1M8GFLF

HM2P88PKA1M8GFLF

Storage & Server IO (Amphenol ICC)

CONN HEADER 250POS 2MM PRESS-FIT

0

HM2P07PDE140N9LF

HM2P07PDE140N9LF

Storage & Server IO (Amphenol ICC)

CONN HARD METRIC

0

HM2P07PDL2C0N9LF

HM2P07PDL2C0N9LF

Storage & Server IO (Amphenol ICC)

CONN HEADER 110POS 2MM PRESS-FIT

0

HM2P65PKT258GFLF

HM2P65PKT258GFLF

Storage & Server IO (Amphenol ICC)

CONN HEADER 169POS 2MM PRESS-FIT

0

HM2P07PDG3U9N9LLF

HM2P07PDG3U9N9LLF

Storage & Server IO (Amphenol ICC)

CONN HEADER 132POS 2MM PRESS-FIT

0

HM2P07PDJ3K1N9LF

HM2P07PDJ3K1N9LF

Storage & Server IO (Amphenol ICC)

MPAC 5R ST PF HDR

0

HM2P09PDS351N9LF

HM2P09PDS351N9LF

Storage & Server IO (Amphenol ICC)

CONN HARD METRIC

0

HM2P07PDR3U0N9LF

HM2P07PDR3U0N9LF

Storage & Server IO (Amphenol ICC)

MPACS TYPE-A, 25POS

0

HM2P07PDL3X0N9LF

HM2P07PDL3X0N9LF

Storage & Server IO (Amphenol ICC)

MPAC 5R ST PF HDR

0

HM2P26PD5111N9LF

HM2P26PD5111N9LF

Storage & Server IO (Amphenol ICC)

CONN HEADER 105POS 2MM PRESS-FIT

0

HM2P09PDE129N9LF

HM2P09PDE129N9LF

Storage & Server IO (Amphenol ICC)

CONN HEADER 66POS 2MM PRESS-FIT

0

HM2C12P23FCLF

HM2C12P23FCLF

Storage & Server IO (Amphenol ICC)

MPACS COVER

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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