Backplane Connectors - Hard Metric, Standard

Image Part Number Description / PDF Quantity Rfq
HM2R95PA8100Z1LF

HM2R95PA8100Z1LF

Storage & Server IO (Amphenol ICC)

CONN RECEPT 200POS 2MM PRESS-FIT

0

178071077013517P

178071077013517P

KYOCERA Corporation

BOARD TO BOARD

0

HM2P67PME120GFLF

HM2P67PME120GFLF

Storage & Server IO (Amphenol ICC)

CONN HARD METRIC

0

178071077509840+

178071077509840+

KYOCERA Corporation

BOARD TO BOARD

0

178071154804517P

178071154804517P

KYOCERA Corporation

BOARD TO BOARD

0

HM2P09PDG3N9N9LF

HM2P09PDG3N9N9LF

Storage & Server IO (Amphenol ICC)

CONN HEADER 66POS 2MM PRESS-FIT

0

178071110506863+

178071110506863+

KYOCERA Corporation

BOARD TO BOARD

0

HM2P07PDJ3N5N9LF

HM2P07PDJ3N5N9LF

Storage & Server IO (Amphenol ICC)

CONN HEADER 154POS 2MM PRESS-FIT

0

HM2P08PKS2J5GFLF

HM2P08PKS2J5GFLF

Storage & Server IO (Amphenol ICC)

CONN HEADER 150POS 2MM PRESS-FIT

0

178071055026517

178071055026517

KYOCERA Corporation

BOARD TO BOARD

0

17430721209

17430721209

HARTING

CONN HEADER 72POS 2MM PRESS-FIT

0

HM2R21PA5100N9LF

HM2R21PA5100N9LF

Storage & Server IO (Amphenol ICC)

CONN RECEPT 55POS 2MM PRESS-FIT

0

HM2P88PME125GFLF

HM2P88PME125GFLF

Storage & Server IO (Amphenol ICC)

CONN HARD METRIC

0

HM2R95PA8101N9LF

HM2R95PA8101N9LF

Storage & Server IO (Amphenol ICC)

CONN RECEPT 200POS 2MM PRESS-FIT

0

HM2P08PDA1L1N9LF

HM2P08PDA1L1N9LF

Storage & Server IO (Amphenol ICC)

CONN HARD METRIC

0

HM2P08PDE120N9LLF

HM2P08PDE120N9LLF

Storage & Server IO (Amphenol ICC)

CONN HARD METRIC

0

HM2P07PZ5111N9LF

HM2P07PZ5111N9LF

Storage & Server IO (Amphenol ICC)

CONN HARD METRIC

0

17151252210

17151252210

HARTING

CONN HEADER 125POS 2MM PRESS-FIT

0

HM2P88PD8111L9LF

HM2P88PD8111L9LF

Storage & Server IO (Amphenol ICC)

CONN HARD METRIC

0

HM2P08PDF1G1N9LF

HM2P08PDF1G1N9LF

Storage & Server IO (Amphenol ICC)

CONN HEADER 175POS 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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