Backplane Connectors - Accessories

Part Number	Description / PDF	Quantity
DL2-C/C VEAM	DL2-C/C CABLE CLAMP KIT	93
204-4500-000 VEAM	CONN ZIF DLM6 HANDLE	134
127059-0067 VEAM	RETAIN SCREW M2.5X6	0
249-2237-001 VEAM	DL3-4-J/S JUNCTION SHELL KIT	26
039-0246-000 VEAM	DL3-60P COVER	48
DL2-2-J/S VEAM	PLASTIC BACKSHELL	0
DL3-J/S VEAM	PLASTIC BACKSHELL	7
039-0245-000 VEAM	DL2-96R COVER	370
DL2-2-C/C VEAM	CABLE CLAMP FOR DL2/ DL3	0
039-0243-000 VEAM	DL1-156R COVER	0
DL2-J-S VEAM	DL2-J/S JUNCTION SHELL KIT	267
249-4515-000 VEAM	DLM6 METAL BACKSHELL	75
204-4501-000 VEAM	CONN ZIF DL5 HANDLE	185
DL2-4-J/S VEAM	PLASTIC BACKSHELL	50
DL3-3-J/S VEAM	JUNCTION SHELL FOR DL3/ DLM3	0
249-4520-000 VEAM	BACKSHELL FOR DL1/DLM1	163
DL1-J-S VEAM	DL1-J/S JUNCTION SHELL KIT	0
249-4501-000 VEAM	DL5 DLM5 METAL BACKSHELL	595
249-4517-000 VEAM	DL2 METAL B/S STRT OR R/A	63
249-4518-000 VEAM	DL3 DLM3 METAL BACKSHELL	529

Backplane Connectors - Accessories

1. Overview

Backplane connectors are critical components in electronic systems, providing modular interconnection between printed circuit boards (PCBs) and supporting high-density signal/power transmission. Accessories enhance their functionality through mechanical support, environmental protection, and performance optimization. These components are essential in telecommunications, data centers, and industrial equipment for ensuring reliable system architecture.

2. Major Types & Functional Classification

Type	Functional Features	Application Examples
Alignment Pins	Precision-guided insertion, anti-misalignment design	Telecom backplanes
Grounding Clips	EMI shielding, 360 contact	Military radar systems
Dust Covers	IP67-rated contamination protection	Outdoor base stations
Mounting Brackets	Vibration damping, load distribution	Industrial control cabinets
Test Adapters	Hot-swappable diagnostics interface	Data center maintenance

3. Structural Composition

Typical construction includes:

Mechanical components: Precision-machined alignment guides and stress-relief brackets
Electrical elements: Gold-plated contact points and EMI gaskets
Material composition: LCP (Liquid Crystal Polymer) insulation with UL94 V-0 rating

4. Key Technical Specifications

Parameter	Typical Range	Importance
Current Rating	1-5A per contact	Power transmission capability
Dielectric Strength	1,000-2,500VAC	Electrical safety margin
Contact Resistance	<10m	Signal integrity maintenance
Insertion Force	20-80N	Usability and durability
Operating Temp	-55 C to +125 C	Environmental reliability

5. Application Fields

Primary industries:

Telecommunications: 5G base stations, optical switches
Data Centers: Server racks, storage arrays
Industrial Automation: PLC backplanes
Medical Imaging: MRI scanner chassis interconnects
Aerospace: Avionics modular systems

6. Leading Manufacturers & Products

Manufacturer	Key Product Series	Technical Highlights
TE Connectivity	ARINC 800H	100Gbps optical integration
Amphenol	CBGA Socket	Zero insertion force design
Molex	MX-SERIES	Self-aligning twinax contacts
Samtec	Raptor HD	25.4 m contact spacing

7. Selection Guidelines

Key considerations:

Signal integrity requirements (frequency & skew tolerance)
Environmental conditions (temperature/humidity/corrosion)
Mechanical durability (mating cycles & vibration resistance)
Thermal management (current carrying capacity)
Compliance standards (IPC, MIL-STD, RoHS)

Case Study: In hyper-scale data centers, Samtec's FireFly modular system reduced rack interconnect costs by 40% while maintaining 28Gbps performance.

8. Industry Trends

Emerging developments include:

High-speed protocols (PCIe 5.0, 112Gbps SerDes)
Miniaturization (sub-1mm contact pitch)
Smart monitoring integration (embedded sensors)
Advanced materials (graphene-enhanced contacts)
Sustainable manufacturing (lead-free plating processes)