Memory Connectors - Accessories

Part Number	Description / PDF	Quantity
0895000022 Woodhead - Molex	LOW LID PCMCIA ABS BLK	0
JC26C2-FSHE JAE Electronics	CONN COMPACT FLASH CARD SNAP-IN	0
NX1BL-25T-KT9B(05) Hirose	CONN CARD BUS FRAME 25POS 0.9MM	0
0894360010 Woodhead - Molex	COVER TYPE II MEMORY CARD	0
78242-003LF Storage & Server IO (Amphenol ICC)	LATCH FOR FLYING	1000
SLS-RGB-WHITE Belden	STRAIN RELIEF SLEEVE FOR	0
5146078-2 TE Connectivity AMP Connectors	MEMCD RSD STK RGHT RAIL W/HDWN	0
SLS-RJ45CR-5.7 Belden	STRAIN RELIEF, CRIMPABLE	0
0912360012 Woodhead - Molex	SIM CARD HLD LGT 30.65MM	0
NX1BL-32T-KT3B(05) Hirose	CONN CARD BUS FRAME 32POS 0.3MM	0
78242-001LF Storage & Server IO (Amphenol ICC)	LATCH FOR FLYING	496
10042618-001 Storage & Server IO (Amphenol ICC)	CONN ACCY CARD RETENTION	0
SLS-RJ45CR-6.3 Belden	STRAIN RELIEF, CRIMPABLE	0
NX1BL-15T-KT9B(05) Hirose	CONN CARD BUS FRAME 15POS 0.9MM	0
GT22-SW Hirose	ETC CARD DETECTION SWITCH	0
NX-9T-CV Hirose	CONN PLUG COVER 9POS VERT OPEN	0
1759880-3 TE Connectivity AMP Connectors	EJECTORASSY,TMT, H7.40, R-PUSH,E	0
SLS-RJ45-6.0 Belden	STRAIN RELIEF, SNAGLESS OVER	0
NX1BL-15T-KT3B(05) Hirose	CONN CARD BUS FRAME 15POS 0.3MM	0
SLS-RGB-RED Belden	STRAIN RELIEF SLEEVE FOR	0

Memory Connectors - Accessories

1. Overview

Memory connectors and accessories are critical components that enable electrical and mechanical connections between memory modules (e.g., RAM, SSDs) and host systems. They ensure reliable signal transmission, power delivery, and mechanical stability in electronic devices. With advancements in computing performance and miniaturization trends, these components have become essential in applications ranging from consumer electronics to industrial systems.

2. Major Types & Functional Classification

Type	Functional Features	Application Examples
DIMM Connectors	64-bit data path, ZIF (Zero Insertion Force) design	Desktop PCs, Servers
SO-DIMM Connectors	Smaller form factor, 200/260-pin configurations	Laptops, Embedded Systems
U-DIMM Connectors	Unbuffered memory support, low-latency performance	Gaming PCs, Workstations
SIMM Connectors	32-bit data path, legacy technology	Older Servers, Industrial Equipment
RIMM Connectors	RDRAM-compatible, high-speed signaling	Legacy High-Performance Computing

3. Structure & Components

Typical memory connectors consist of:

Contact pins (phosphor bronze with gold plating for conductivity)
Insulating housing (LCP/LPA material for thermal stability)
Actuator mechanism (for ZIF connectors)
EMI shielding (for high-frequency applications)
Retention clips (mechanical stabilization)

4. Key Technical Specifications

Parameter	Value/Range	Importance
Contact Resistance	5-20 m	Affects signal integrity
Current Rating	1-3 A/pin	Determines power capacity
Dielectric Withstanding Voltage	500 VAC	Safety and reliability
Operating Temperature	-55 C to +125 C	Environmental durability
Insertion Force	20-50N	Affects lifespan
Signal Integrity	Supports up to 8 GT/s	Enables high-speed memory

5. Application Fields

Computer Hardware: Motherboards, Graphics Cards
Data Centers: Servers, Storage Arrays
Consumer Electronics: Smartphones, Tablets
Industrial Equipment: Automation Controllers
Telecommunications: Routers, Base Stations

6. Leading Manufacturers & Products

Manufacturer	Representative Products
TE Connectivity	DDR4 DIMM Connectors, SATA Power Connectors
Amphenol ICC	High-Speed SO-DIMM Sockets
Molex	DDR5 U-DIMM Connectors
Samtec	High-Frequency Memory Arrays
JAE Electronics	Compact R-DIMM Solutions

7. Selection Guidelines

Key factors to consider:

Compatibility with memory standard (DDR3/DDR4/DDR5)
Environmental requirements (temperature, vibration)
Electrical performance requirements
Space constraints (form factor limitations)
Cost vs. reliability trade-offs
Compliance with industry standards (JEDEC, IPC)

8. Industry Trends Analysis

Current development trends include:

Transition to DDR5/LPDDR5X standards with 8 GT/s+ data rates
Miniaturization for mobile and IoT applications
Integrated power delivery (Power & Signal in single connector)
Advanced thermal management solutions
Increased use of press-fit terminations
Development of optical memory interconnects

Application Case: In high-density servers, TE Connectivity's DDR4 connectors enable 3200 MT/s memory speeds while maintaining signal integrity below 12 m resistance. For automotive applications, Amphenol's ruggedized SO-DIMM connectors meet AEC-Q100 reliability standards.