Backplane Connectors - Hard Metric, Standard

Image Part Number Description / PDF Quantity Rfq
HM2P87PDJ1M0N9LF

HM2P87PDJ1M0N9LF

Storage & Server IO (Amphenol ICC)

CONN HEADER 176POS 2MM PRESS-FIT

0

HM2P65PDM3N5N9LF

HM2P65PDM3N5N9LF

Storage & Server IO (Amphenol ICC)

CONN HEADER 147POS 2MM PRESS-FIT

0

HM2P08PK5111GFLF

HM2P08PK5111GFLF

Storage & Server IO (Amphenol ICC)

CONN HEADER 175POS 2MM PRESS-FIT

0

HM2R90PA8101N9LF

HM2R90PA8101N9LF

Storage & Server IO (Amphenol ICC)

MPACS RA REC

0

HM2P08PKP2X0GFLF

HM2P08PKP2X0GFLF

Storage & Server IO (Amphenol ICC)

CONN HARD METRIC

0

HM2P70PNE7Y5GFLF

HM2P70PNE7Y5GFLF

Storage & Server IO (Amphenol ICC)

CONN HEADER 132POS 2MM PRESS-FIT

0

HM2R10PA5100ABLF

HM2R10PA5100ABLF

Storage & Server IO (Amphenol ICC)

MPACS CONN BACKPLANE

0

HM2P08PDN2W1N9LF

HM2P08PDN2W1N9LF

Storage & Server IO (Amphenol ICC)

CONN HARD METRIC

0

HM2R88PA8101L9LF

HM2R88PA8101L9LF

Storage & Server IO (Amphenol ICC)

MPACS BACK PLANE CONN

0

HM2P65PDE121AALF

HM2P65PDE121AALF

Storage & Server IO (Amphenol ICC)

CONN HEADER

0

HM2P95PN8114GFLF

HM2P95PN8114GFLF

Storage & Server IO (Amphenol ICC)

CONN HARD METRIC

0

HM2P08PDR1F0N9LF

HM2P08PDR1F0N9LF

Storage & Server IO (Amphenol ICC)

CONN HEADER 125POS 2MM PRESS-FIT

0

HM2S03PE5100N9LF

HM2S03PE5100N9LF

Storage & Server IO (Amphenol ICC)

CONN RECEPT 55POS 2MM PRESS-FIT

0

HM2S02PE5101L9LF

HM2S02PE5101L9LF

Storage & Server IO (Amphenol ICC)

CONN RECEPT 125POS 2MM PRESS-FIT

0

HM2R20PA5100N9LF

HM2R20PA5100N9LF

Storage & Server IO (Amphenol ICC)

CONN RECEPT 55POS 2MM PRESS-FIT

0

HM2P09PKE125GFLF

HM2P09PKE125GFLF

Storage & Server IO (Amphenol ICC)

CONN HEADER 66POS 2MM PRESS-FIT

0

HM2P07PDN131N9LF

HM2P07PDN131N9LF

Storage & Server IO (Amphenol ICC)

CONN HEADER 154POS 2MM PRESS-FIT

0

HM2P08PMS120GFLF

HM2P08PMS120GFLF

Storage & Server IO (Amphenol ICC)

CONN HARD METRIC

0

HM2P70PKG315GFLLF

HM2P70PKG315GFLLF

Storage & Server IO (Amphenol ICC)

CONN HEADER 154POS 2MM PRESS-FIT

0

HM2P88PNE180GFLF

HM2P88PNE180GFLF

Storage & Server IO (Amphenol ICC)

CONN HEADER 200POS 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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