Backplane Connectors - Hard Metric, Standard

Image Part Number Description / PDF Quantity Rfq
HM2S71PE5100N9LF

HM2S71PE5100N9LF

Storage & Server IO (Amphenol ICC)

CONN RECEPT 110POS 2MM PRESS-FIT

0

HM2P27PDG320N9LF

HM2P27PDG320N9LF

Storage & Server IO (Amphenol ICC)

CONN HEADER 72POS 2MM PRESS-FIT

0

HM2P95PDG180N9LF

HM2P95PDG180N9LF

Storage & Server IO (Amphenol ICC)

CONN HEADER 200POS 2MM PRESS-FIT

0

HM2P07PKN2M1GFLF

HM2P07PKN2M1GFLF

Storage & Server IO (Amphenol ICC)

CONN HEADER 154POS 2MM PRESS-FIT

0

HM2E30PH5000LF

HM2E30PH5000LF

Storage & Server IO (Amphenol ICC)

CONN RECEPT 6POS 7.5MM PRESS-FIT

0

HM2P07PDJ2H1N9LF

HM2P07PDJ2H1N9LF

Storage & Server IO (Amphenol ICC)

CONN HEADER 154POS 2MM PRESS-FIT

0

HM2PN2PNF3U5GFLLF

HM2PN2PNF3U5GFLLF

Storage & Server IO (Amphenol ICC)

CONN HEADER 225POS 2MM PRESS-FIT

0

HM2P08PKE128GFLLF

HM2P08PKE128GFLLF

Storage & Server IO (Amphenol ICC)

CONN HEADER 175POS 2MM PRESS-FIT

0

HM2P67PKA3A0GFLF

HM2P67PKA3A0GFLF

Storage & Server IO (Amphenol ICC)

CONN HEADER 95POS 2MM PRESS-FIT

0

HM2S01PE5101N9LF

HM2S01PE5101N9LF

Storage & Server IO (Amphenol ICC)

CONN RECEPT 110POS 2MM PRESS-FIT

0

HM2P88PDF141N9LF

HM2P88PDF141N9LF

Storage & Server IO (Amphenol ICC)

CONN HEADER 250POS 2MM PRESS-FIT

0

HM2PN1PDP3F0N9LF

HM2PN1PDP3F0N9LF

Storage & Server IO (Amphenol ICC)

MPAC 5R ST PF HDR

0

HM2P87PDH3Y0N9LF

HM2P87PDH3Y0N9LF

Storage & Server IO (Amphenol ICC)

CONN HEADER 176POS 2MM PRESS-FIT

0

HM2P95PK8110GFLF

HM2P95PK8110GFLF

Storage & Server IO (Amphenol ICC)

CONN HEADER 200POS 2MM PRESS-FIT

0

HM2P07PD5115N9LF

HM2P07PD5115N9LF

Storage & Server IO (Amphenol ICC)

CONN HEADER 132POS 2MM PRESS-FIT

0

HM2P08PDN181N9LF

HM2P08PDN181N9LF

Storage & Server IO (Amphenol ICC)

CONN HARD METRIC

0

HM2P40PD5111N9LF

HM2P40PD5111N9LF

Storage & Server IO (Amphenol ICC)

CONN HEADER 154POS 2MM PRESS-FIT

0

HM2P07PNK360GFLF

HM2P07PNK360GFLF

Storage & Server IO (Amphenol ICC)

CONN HEADER 110POS 2MM PRESS-FIT

0

HM2P71PME129GFLF

HM2P71PME129GFLF

Storage & Server IO (Amphenol ICC)

CONN HEADER 133POS 2MM PRESS-FIT

0

HM2P95PDG1M0N9LF

HM2P95PDG1M0N9LF

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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