Backplane Connectors - Specialized

Image Part Number Description / PDF Quantity Rfq
0459848483

0459848483

Woodhead - Molex

CONN RCPT LPHPOWER 48POS PCB

0

0459848312

0459848312

Woodhead - Molex

CONN RCPT LPHPOWER 20POS PCB

0

0739436200

0739436200

Woodhead - Molex

CONN HEADER HDM 72POS PCB

0

0459841473

0459841473

Woodhead - Molex

CONN RCPT LPHPOWER 46POS PCB

0

0465621047

0465621047

Woodhead - Molex

CONN RCPT TEN60 20POS PCB

0

0761659607

0761659607

Woodhead - Molex

CONN HEADER IMPACT 144POS PCB

140980

0751991012

0751991012

Woodhead - Molex

CONN HEADER VHDM 80POS PCB

0

0459854112

0459854112

Woodhead - Molex

CONN PLUG LPHPOWER 16POS PCB

0

0754650105

0754650105

Woodhead - Molex

CONN HEADER GBX 110POS PCB

0

0459854362

0459854362

Woodhead - Molex

CONN PLUG LPHPOWER 36POS PCB

0

0762903022

0762903022

Woodhead - Molex

CONN RCPT IMPACT 216POS EDGE MNT

0

0736440204

0736440204

Woodhead - Molex

CONN HEADER HDM 72POS PCB

0

0768603038

0768603038

Woodhead - Molex

CONN RCPT IMPACT 72POS EDGE MNT

0

0768557604

0768557604

Woodhead - Molex

CONN HEADER IMPACT 54POS PCB

0

1703357107

1703357107

Woodhead - Molex

CONN HEADER IMPACT 120POS PCB

0

0459841121

0459841121

Woodhead - Molex

CONN RCPT LPHPOWER 26POS PCB

0

0459858162

0459858162

Woodhead - Molex

CONN PLUG LPHPOWER 40POS PCB

0

0737802167

0737802167

Woodhead - Molex

CONN RCPT HDM 72POS PCB

0

0761651603

0761651603

Woodhead - Molex

CONN HEADER IMPACT 144POS PCB

0

0736440200

0736440200

Woodhead - Molex

CONN HEADER HDM 72POS PCB

0

Backplane Connectors - Specialized

1. Overview

Specialized backplane connectors are critical electromechanical components designed to establish reliable interconnections between printed circuit boards (PCBs) in complex electronic systems. These connectors enable high-speed data transmission, power distribution, and signal integrity in demanding environments. Their importance spans industries such as telecommunications, industrial automation, and aerospace, where system reliability and performance are paramount.

2. Main Types and Functional Classification

TypeFunctional CharacteristicsApplication Examples
High-Speed Backplane ConnectorsSupport data rates >25 Gbps with controlled impedanceData center switches, 5G base stations
High-Power Backplane ConnectorsRated for >50A per contact with thermal managementIndustrial motor drives, EV charging systems
High-Density Backplane ConnectorsMiniaturized contacts with pitch <1.0mmMedical imaging equipment, test instrumentation
Hermetic Backplane ConnectorsIP68-rated sealing for extreme environmentsSubsea sensors, military avionics

3. Structure and Components

Typical construction includes: - Contact Pins: Phosphor bronze or beryllium copper with gold plating - Insulation Housing: LCP (Liquid Crystal Polymer) or PPS (Polyphenylene Sulfide) - Shielding: 360 EMI protection with stainless steel springs - Retention Mechanism: Polarized keying and threaded inserts - Thermal Management: Integrated heat dissipation fins

4. Key Technical Specifications

ParameterTypical RangeImportance
Current Rating1-100APower transmission capability
Contact Resistance0.5-5m Signal integrity maintenance
Dielectric Withstanding Voltage500V-5kVElectrical safety assurance
Operating Temperature-55 C to +125 CEnvironmental reliability
Mating Cycles500-20,000Long-term durability

5. Application Fields

  • Telecommunications: 5G NR base stations, optical transport networks
  • Industrial: Programmable logic controllers (PLCs), robotics
  • Medical: MRI scanners, digital radiography systems
  • Transportation: Railway signaling systems, EV powertrains

6. Leading Manufacturers and Products

ManufacturerRepresentative ProductKey Feature
TE ConnectivityHypertac Backplane100Gbps data rate with floating contact design
AmphenolRosenberger 400GbpsModular architecture for scalable networks
MolexImpel High-SpeedDifferential pair shielding for signal integrity

7. Selection Guidelines

  1. Evaluate system bandwidth requirements (e.g., PCIe 5.0 needs 32 GT/s)
  2. Verify vibration/thermal cycling compliance (e.g., Telcordia GR-63-CORE)
  3. Assess PCB footprint compatibility (e.g., orthogonal vs. parallel mounting)
  4. Confirm RoHS/REACH compliance for regulatory requirements
  5. Balance cost vs. expected product lifecycle (5-15 years typical)

8. Industry Trends

Key developments include: - Transition to 112 Gbps PAM4 signaling for next-gen data centers - Integration of optical interfaces in hybrid electro-optical connectors - Adoption of advanced plating materials (e.g., nano-coated gold alloys) - Growing demand for circular (360 ) interconnect solutions - Implementation of AI-driven predictive maintenance features in connectors

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