Backplane Connectors - Specialized

Part Number	Description / PDF	Quantity
DLM2-96PW6A VEAM	CONN PLUG 96POS PNL MNT	46
DL3-60RW4B VEAM	CONN RCPT 60POS PNL MNT	0
DL3-60PW4A VEAM	CONN PLUG 60POS PNL MNT	0
DLM1-156RW6B VEAM	CONN RCPT 156POS PNL MNT	245
DLM5-260RW6B VEAM	CONN RCPT 260POS PNL MNT	40
DL1-156PW4A VEAM	CONN PLUG 156POS PNL MNT	38
DL1-156RW-6B VEAM	CONN RCPT 156POS PNL MNT	178
QLC260P VEAM	CONN PLUG 260POS	314
DL2-96RW-4B VEAM	CONN RCPT 96POS PNL MNT	166
QLC260R VEAM	CONN RCPT 260POS PCB	49
DL5-260RW4B VEAM	CONN RCPT 260POS PNL MNT	57
DLM5-260PW6A VEAM	CONN PLUG 260POS PNL MNT	189
DLM3-60RW6B VEAM	CONN RCPT 60POS PNL MNT	8
DL5-260PW-6A VEAM	CONN PLUG 260POS PNL MNT	105
DL5-260RW6B VEAM	CONN RCPT 260POS PNL MNT	111
DL2-96PW6A VEAM	CONN PLUG 96POS PNL MNT	123
DL1-156RW-4B VEAM	CONN RCPT 156POS PNL MNT	424
DL3-60RW6B VEAM	CONN RCPT 60POS PNL MNT	88
QLC260P2 VEAM	CONN PLUG 260POS	25
DLM1-156PW6A VEAM	CONN PLUG 156POS PNL MNT	78

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

Type	Functional Characteristics	Application Examples
High-Speed Backplane Connectors	Support data rates >25 Gbps with controlled impedance	Data center switches, 5G base stations
High-Power Backplane Connectors	Rated for >50A per contact with thermal management	Industrial motor drives, EV charging systems
High-Density Backplane Connectors	Miniaturized contacts with pitch <1.0mm	Medical imaging equipment, test instrumentation
Hermetic Backplane Connectors	IP68-rated sealing for extreme environments	Subsea 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

Parameter	Typical Range	Importance
Current Rating	1-100A	Power transmission capability
Contact Resistance	0.5-5m	Signal integrity maintenance
Dielectric Withstanding Voltage	500V-5kV	Electrical safety assurance
Operating Temperature	-55 C to +125 C	Environmental reliability
Mating Cycles	500-20,000	Long-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

Manufacturer	Representative Product	Key Feature
TE Connectivity	Hypertac Backplane	100Gbps data rate with floating contact design
Amphenol	Rosenberger 400Gbps	Modular architecture for scalable networks
Molex	Impel High-Speed	Differential pair shielding for signal integrity

7. Selection Guidelines

Evaluate system bandwidth requirements (e.g., PCIe 5.0 needs 32 GT/s)
Verify vibration/thermal cycling compliance (e.g., Telcordia GR-63-CORE)
Assess PCB footprint compatibility (e.g., orthogonal vs. parallel mounting)
Confirm RoHS/REACH compliance for regulatory requirements
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