USB, DVI, HDMI Connectors

Image	Part Number	Description / PDF	Quantity	Rfq
	0472721004 Woodhead - Molex	CONN RCPT DISPLAYPORT 20P SMD RA	0
	0473461005 Woodhead - Molex	MICRO USB B RECP BOT MT SMT	0
	0743209024 Woodhead - Molex	CONN RCPT DVI-D DL 24POS PCB R/A	0
	0743232134 Woodhead - Molex	CONN PLUG DVI-I DUAL 29POS VERT	0
	0676431990 Woodhead - Molex	CONN RCPT TYPEA 4POS R/A	0
	0743232004 Woodhead - Molex	CONN PLUG DVI-D DUAL 24POS SLDR	0
	1054431111 Woodhead - Molex	CONN MICRO USB	0
	0711823000 Woodhead - Molex	CONN RECEPTACLE VERT 34CKT	0
	0676430980 Woodhead - Molex	CONN RCPT TYPEA 4POS R/A	0
	0786187001 Woodhead - Molex	CONN RCPT MICRO HDMI	0
	0463461001 Woodhead - Molex	CONN USB B REC BOTMT SMT	0
	1052481001 Woodhead - Molex	CONN RCPT USB2.0 MICRO B SMD	0
	1050200007 Woodhead - Molex	CONN RCPT DISPLAYPORT 20POS R/A	0
	0476591010 Woodhead - Molex	HDMI REC.VERTICAL SMT TYPE W/HEI	0
	0743207000 Woodhead - Molex	CONN RCPT DVI-D DUAL 24POS VERT	0
	0472721002 Woodhead - Molex	CONN RCPT DISPLAYPORT 20P SMD RA	0
	0472720028 Woodhead - Molex	CONN RCPT DISPLAYPORT 20P SMD RA	0
	0743232103 Woodhead - Molex	CONN PLUG DVI-D DUAL 24POS VERT	0
	0483077012 Woodhead - Molex	CONN RCPT HDMI 21POS SMD	0
	0467652312 Woodhead - Molex	CONN RCP MICRO HDMI 19POS SMD RA	0

USB, DVI, HDMI Connectors

1. Overview

Connectors and interconnects are critical components enabling data transmission and power delivery between electronic devices. USB (Universal Serial Bus), DVI (Digital Visual Interface), and HDMI (High-Definition Multimedia Interface) represent standardized interface technologies that have revolutionized digital connectivity. These interfaces facilitate seamless integration of peripherals, displays, and multimedia equipment in modern computing, entertainment, and industrial systems.

2. Major Types and Functional Classification

Type	Functional Characteristics	Application Examples
USB Type-A	Rectangular interface, host/device compatibility	Computers, flash drives, peripherals
USB Type-C	Reversible design, 24-pin symmetrical connector	Laptops, smartphones, docks
DVI-D	Digital-only signal transmission	Computer monitors, projectors
HDMI Type A	19-pin interface for audio/video transmission	TVs, game consoles, AV receivers

3. Structural Composition

USB Connectors: Consist of plastic housing, metal contacts (typically phosphor bronze with gold plating), and overmolding strain relief. Type-C variants feature 24 contacts arranged in dual rows.

DVI Connectors: Incorporate a 24+1/24+5 pin arrangement (digital/analog hybrid), with screw locking mechanisms in some variants. Use differential signaling pairs for high-speed data transfer.

HDMI Connectors: Contain 19 pins in Type A configuration, with dedicated channels for TMDS (Transition Minimized Differential Signaling), CEC (Consumer Electronics Control), and Hot Plug Detect.

4. Key Technical Specifications

Parameter	Importance	Typical Values
Bandwidth	Determines maximum data throughput	USB 3.2 Gen 2x2: 20Gbps HDMI 2.1: 48Gbps
Resolution Support	Defines display capability	DVI: 2560 1600 HDMI 2.1: 10K@120Hz
Pin Count	Impacts functionality and durability	USB Type-C: 24 DVI: 24+5
Backward Compatibility	Ensures legacy device support	USB 2.0/3.0/3.1/3.2 HDMI 1.4/2.0/2.1

5. Application Domains

Consumer Electronics: Smartphones (USB Type-C), 4K/8K TVs (HDMI 2.1), VR headsets

Computer Systems: Docking stations (USB4), graphic cards (DVI-I), external SSDs (USB 3.2)

Industrial Equipment: Medical imaging devices (DVI-D), digital signage (HDMI), automation systems (USB Type-A)

Entertainment: Game consoles (HDMI), AV receivers (HDMI 2.1), streaming boxes

6. Leading Manufacturers and Products

Manufacturer	Product Examples	Technical Advantages
Amphenol	USB4 Type-C connectors	100W power delivery, 40Gbps bandwidth
Molex	Mini59 DVI cables	Double-shielded construction
TE Connectivity	HDMI 2.1 automotive connectors	Vibration-resistant design
Samtec	FireFly optical USB	Hybrid optical-electrical transmission

7. Selection Recommendations

Consider these factors when choosing connectors:

Bandwidth Requirements: Match interface speed to application needs (e.g., HDMI 2.1 for 8K video)
Physical Constraints: Space limitations favor miniaturized variants (HDMI Type D, USB Type-C)
Power Delivery: USB PD 3.0 supports up to 240W for charging applications
Environmental Conditions: Industrial environments require connectors with IP67 ratings
Future-Proofing: Select latest generation interfaces (USB4, HDMI 2.1) for long-term compatibility

Industry Trends Analysis

Current development trajectories include:

Higher Bandwidth: 80Gbps+ interfaces under development (USB5, HDMI 2.2)
Miniaturization: Micro-DVI concepts in prototype stage
Hybrid Solutions: Integration of optical and electrical transmission in USB Type-C
Enhanced Power Delivery: 240W+ capabilities becoming standard
Smart Connectivity: Embedded chipsets for dynamic resolution/power management

Market forecasts indicate USB Type-C will dominate >85% of new devices by 2025, while HDMI 2.1 adoption accelerates in gaming and professional AV sectors.