USB, DVI, HDMI Connectors

Part Number	Description / PDF	Quantity
933 Keystone Electronics Corp.	CONN RCPT USB2.0 TYPEB 4P SMD RA	444
931 Keystone Electronics Corp.	CONN PLUG USB2.0 TYPEA 4P SMD RA	65915480
925 Keystone Electronics Corp.	CONN PLG USB2.0 TYPEA 4P SLD 3PC	0
924 Keystone Electronics Corp.	CONN RCPT USB2.0 TYPEB 4POS R/A	63808188
934 Keystone Electronics Corp.	CONN RCPT USB2.0 MINI B SMD R/A	900591
934TR Keystone Electronics Corp.	CONN RCPT USB2.0 MINI B SMD R/A	0
945 Keystone Electronics Corp.	CONN RCPT USB3.0 TYPEA 9POS R/A	0
928 Keystone Electronics Corp.	CONN PLUG IEEE 1394 FIREWIRE SLD	326
926 Keystone Electronics Corp.	CONN PLUG USB2.0 TYPEB 4POS SLD	2721003
957 Keystone Electronics Corp.	CONN PLUG USB3.0 MICRO USB B SLD	127118
932 Keystone Electronics Corp.	CONN PLUG USB2.0 TYPEA 4POS R/A	8284750
940TR Keystone Electronics Corp.	CONN RCPT USB2.0 MICRO B SMD R/A	1000
929 Keystone Electronics Corp.	CONN RCPT IEEE 1394 FIREWIRE R/A	97129
927 Keystone Electronics Corp.	CONN RCP IEEE1394 FIREWIR SMD RA	104
920 Keystone Electronics Corp.	CONN RCPT USB2.0 TYPEA 4P SMD RA	4218407
927TR Keystone Electronics Corp.	CONN RCP IEEE1394 FIREWIR SMD RA	1000

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.