Backplane Connectors - Hard Metric, Standard

Image Part Number Description / PDF Quantity Rfq
HM2S30PD51N0N9LF

HM2S30PD51N0N9LF

Storage & Server IO (Amphenol ICC)

5R STR REC TYPC 0.76UGXT

0

17021752601

17021752601

HARTING

CONN HEADER 2MM PRESS-FIT

0

HM2P71PNW2P5GFLF

HM2P71PNW2P5GFLF

Storage & Server IO (Amphenol ICC)

CONN HARD METRIC

0

6377329-1

6377329-1

TE Connectivity AMP Connectors

CONN HEADER 110POS 2MM PRESS-FIT

0

HP5-PKG-GK(A)

HP5-PKG-GK(A)

Hirose

CONNECTOR

0

HM2S03PE5101N9LF

HM2S03PE5101N9LF

Storage & Server IO (Amphenol ICC)

MPACS 5R REC TYPC

0

17551441108

17551441108

HARTING

CONN RECEPT 144POS 2MM PRESS-FIT

0

178071154747519P

178071154747519P

KYOCERA Corporation

BOARD TO BOARD

0

17130952202

17130952202

HARTING

CONN HEADER 2MM PRESS-FIT

0

HM2P07PCN240N9LF

HM2P07PCN240N9LF

Storage & Server IO (Amphenol ICC)

CONN HEADER 110POS 2MM PRESS-FIT

0

3-100669-0

3-100669-0

TE Connectivity AMP Connectors

CONN HEADER 175POS 2MM PRESS-FIT

0

3-5100161-0

3-5100161-0

TE Connectivity AMP Connectors

CONN RECEPT 55POS 2MM PRESS-FIT

0

HM2P08PKE124GLLF

HM2P08PKE124GLLF

Storage & Server IO (Amphenol ICC)

CONN HEADER 175POS 2MM PRESS-FIT

0

HM2P07PDU1E1N9LF

HM2P07PDU1E1N9LF

Storage & Server IO (Amphenol ICC)

CONN HEADER 154POS 2MM PRESS-FIT

0

HM2P07PNW2Y4GFLF

HM2P07PNW2Y4GFLF

Storage & Server IO (Amphenol ICC)

CONN HEADER 154POS 2MM PRESS-FIT

0

278072030901863+

278072030901863+

KYOCERA Corporation

CONN RECEPT

0

HM2R03PA5108L9LF

HM2R03PA5108L9LF

Storage & Server IO (Amphenol ICC)

CONN RECEPT 55POS 2MM PRESS-FIT

0

HM2P70PNU179GFLF

HM2P70PNU179GFLF

Storage & Server IO (Amphenol ICC)

CONN HEADER 132POS 2MM PRESS-FIT

0

HM2P08PDE1U0N9LF

HM2P08PDE1U0N9LF

Storage & Server IO (Amphenol ICC)

CONN HEADER 125POS 2MM PRESS-FIT

0

HM2P07PDJ1N5N9LF

HM2P07PDJ1N5N9LF

Storage & Server IO (Amphenol ICC)

CONN HEADER 132POS 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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