DF40TC(3.5)-30DS-0.4V(51) Connector

Overview

The DF40TC(3.5)-30DS-0.4V(51) is a miniature board-to-board connector from the DF40 series, specifically designed for high-density electronic applications where space optimization is critical. This 30-position connector features an ultra-fine 0.4mm pitch, making it suitable for compact devices such as smartphones, tablets, and wearable technology. The connector's 3.5mm stacking height version (indicated in the model number) provides a balanced solution for both space constraints and reliable mechanical connection. The (51) suffix typically refers to specific plating or variant details within the product line, often indicating gold plating on contacts for enhanced durability.

Structure and Working Principle

FX8C-120P-SV2(71) 电子元器件 HRS/广赖封装connector 批次25+

深圳岳科电子有限公司

This connector system consists of two mating halves: a header (male) and receptacle (female) configuration. The contacts are arranged in a dual-row layout, with the 'DS' in the model number typically indicating a double-sided contact design for improved reliability. The working principle involves precision-machined contacts that establish electrical continuity when the two halves are mated. The LCP (Liquid Crystal Polymer) housing provides excellent dimensional stability and heat resistance, while the phosphor bronze contacts ensure good conductivity and spring characteristics for maintaining contact pressure.

Key Features

The DF40TC(3.5)-30DS-0.4V(51) stands out for its ultra-fine pitch capability, allowing high-density interconnections in modern electronics. The 0.4mm pitch enables more connections in less space compared to standard 0.5mm or 1.0mm pitch connectors. Other notable features include a low-profile design that minimizes vertical space requirements, and a secure locking mechanism that prevents accidental disconnection. The connector typically offers good resistance to vibration and mechanical shock, making it suitable for portable devices that may experience rough handling.

Application Areas

This connector series is widely used in consumer electronics, particularly in smartphones and tablets where board space is at a premium. Its compact size and reliability also make it suitable for wearable devices, medical monitoring equipment, and compact industrial control systems. In automotive electronics, similar connectors are used for infotainment systems and advanced driver assistance systems (ADAS), though automotive-grade versions would have additional qualifications. The 3.5mm stacking height version is often chosen when moderate board separation is required while maintaining a low overall profile.

Maintenance and Precautions

DF40TC(3.5)-30DS-0.4V(51) 电子元器件进口原厂批次24+

深圳市海泰丰科技有限公司

Proper handling is crucial for these fine-pitch connectors. Always store in original packaging until use to prevent contamination or damage to the delicate contacts. During assembly, ensure proper alignment before mating to avoid bent pins or damaged contacts. For cleaning, use only approved methods as certain solvents can damage the housing material. The connector is not designed for frequent mating/unmating cycles, so consider this in the design phase if the connection needs to be regularly disconnected for maintenance or upgrades.

B2B Procurement Guide

When sourcing the DF40TC(3.5)-30DS-0.4V(51), verify the exact specifications needed for your application, including plating thickness and packaging format (tape-and-reel is common for automated assembly). Lead times can vary significantly, so plan procurement accordingly, especially for large volume orders. Consider ordering samples for testing before committing to volume purchases. Pricing is typically volume-dependent, with significant discounts available for large quantity orders. For prototype or small batch needs, distributors may offer cut-tape or small reel options.