Backplane Connectors - Hard Metric, Standard

Image Part Number Description / PDF Quantity Rfq
HM2C12D0C021L9LF

HM2C12D0C021L9LF

Storage & Server IO (Amphenol ICC)

MPACS COVER

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HM2P66PK5110GFLF

HM2P66PK5110GFLF

Storage & Server IO (Amphenol ICC)

CONN HEADER 146POS 2MM PRESS-FIT

0

HM2P07PDP231N9LF

HM2P07PDP231N9LF

Storage & Server IO (Amphenol ICC)

CONN HEADER 154POS 2MM PRESS-FIT

0

HM2P08PDS2T1N9LF

HM2P08PDS2T1N9LF

Storage & Server IO (Amphenol ICC)

CONN HARD METRIC

0

HM2P07PDK3N1N9LF

HM2P07PDK3N1N9LF

Storage & Server IO (Amphenol ICC)

CONN HEADER 154POS 2MM PRESS-FIT

0

HM2C10D20R10L9

HM2C10D20R10L9

Storage & Server IO (Amphenol ICC)

MPACS CABLE CONN 10P

0

HM2P95PM8110GFLF

HM2P95PM8110GFLF

Storage & Server IO (Amphenol ICC)

CONN HEADER 200POS 2MM PRESS-FIT

0

HM2P07PNW2X4GFLF

HM2P07PNW2X4GFLF

Storage & Server IO (Amphenol ICC)

CONN HEADER 154POS 2MM PRESS-FIT

0

HM2P07PKJ2R5GFLF

HM2P07PKJ2R5GFLF

Storage & Server IO (Amphenol ICC)

CONN HEADER 132POS 2MM PRESS-FIT

0

HM2R50PA5100L9LF

HM2R50PA5100L9LF

Storage & Server IO (Amphenol ICC)

CONN RECEPT 58POS 2MM PRESS-FIT

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HM2P09PDS161N9LLF

HM2P09PDS161N9LLF

Storage & Server IO (Amphenol ICC)

CONN HEADER 77POS 2MM PRESS-FIT

0

HM2P66PKF2W5GFLF

HM2P66PKF2W5GFLF

Storage & Server IO (Amphenol ICC)

CONN HEADER 146POS 2MM PRESS-FIT

0

HM2P89PDG1Y1N9LF

HM2P89PDG1Y1N9LF

Storage & Server IO (Amphenol ICC)

CONN HARD METRIC

0

HM2J09PE51C0N9LF

HM2J09PE51C0N9LF

Storage & Server IO (Amphenol ICC)

CONN HEADER 55POS 2MM PRESS-FIT

0

HM2P78PDS341N9LF

HM2P78PDS341N9LF

Storage & Server IO (Amphenol ICC)

CONN HARD METRIC

0

HM2S10PD51N0ABLF

HM2S10PD51N0ABLF

Storage & Server IO (Amphenol ICC)

HM2 STR TYPA 3.7 1.25UAU

0

HM2R03PA510FN9LF

HM2R03PA510FN9LF

Storage & Server IO (Amphenol ICC)

CONN RECEPT 2MM PRESS-FIT

0

HM2R88PA8100E9LF

HM2R88PA8100E9LF

Storage & Server IO (Amphenol ICC)

MPACS BACK PLANE CONN

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HM2P09PDU2C0N9LF

HM2P09PDU2C0N9LF

Storage & Server IO (Amphenol ICC)

CONN HEADER 55POS 2MM PRESS-FIT

0

HM2P95PDH1M1N9LF

HM2P95PDH1M1N9LF

Storage & Server IO (Amphenol ICC)

CONN HEADER 244POS 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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