QTH-090-03-F-D-A-TR: Samtec's Premium High-Density Surface Mount Header Connector

In today's rapidly evolving electronics industry, the demand for reliable, high-density interconnects has never been greater. Samtec Inc., a global leader in connector technology, addresses this need with their exceptional QTH-090-03-F-D-A-TR surface mount header connector. This advanced interconnect solution delivers unmatched performance in compact, space-constrained applications.

Product Overview

The QTH-090-03-F-D-A-TR represents the cutting edge of board-to-board connectivity solutions. As part of Samtec's high-performance connector portfolio, this 180-position header features an ultra-fine 0.50mm pitch, making it ideal for today's miniaturized electronic designs.

Key Specifications and Features

• Connector Type: Header with Outer Shroud Contacts
• Total Positions: 180 (2 rows of 90)
• Pitch: 0.020" (0.50mm) - perfect for high-density designs
• Mounting Style: Surface Mount Technology (SMT)
• Contact Finish: Gold plating (3.00 in/0.076 m thickness)
• Stacking Height: 11mm standard
• Height Above Board: 10.27mm (0.404")

Technical Advantages

Superior Contact Design

The QTH-090-03-F-D-A-TR utilizes precision-engineered contacts with gold plating for optimal signal integrity and corrosion resistance. The 3.00 in gold finish ensures:

• Low contact resistance (<5m )
• Excellent wear characteristics
• Superior performance in harsh environments

Enhanced Design Features

Samtec has incorporated several innovative features to maximize reliability:

• Integrated Board Guides: Facilitates perfect alignment during assembly, reducing manufacturing defects
• Ground Plane Option: Minimizes EMI/RFI interference for cleaner signal transmission
• Robust Housing: High-temperature thermoplastic material withstands reflow soldering processes

Performance Characteristics

Parameter	Value
Current Rating	0.5A per contact
Voltage Rating	50V AC/DC
Contact Resistance	20m max
Insulation Resistance	1000M min
Dielectric Withstanding Voltage	100V AC for 1 minute
Operating Temperature	-55 C to +105 C

Industry Applications

The QTH-090-03-F-D-A-TR's combination of high density and reliability makes it perfect for:

1. Telecommunications Equipment

5G infrastructure, base stations, and network switches benefit from the connector's high-speed capabilities and signal integrity.

2. Medical Electronics

Diagnostic imaging systems and portable medical devices utilize its compact size and reliability.

3. Industrial Automation

PLC systems, robotics, and control systems require the connector's ruggedness and high pin count.

4. Data Center Hardware

Server backplanes and storage systems leverage its high-density configuration.

5. Automotive Electronics

ADAS systems and infotainment units benefit from its vibration resistance.

Design Considerations

When implementing the QTH-090-03-F-D-A-TR in your design:

• Ensure proper PCB pad layout matches Samtec's recommended footprint
• Follow reflow profile specifications precisely
• Consider using the mating connector (QTS-090-03-F-D-A) for complete solution
• Account for thermal expansion in high-temperature applications

Why Choose Samtec's QTH-090-03-F-D-A-TR?

Samtec's reputation for quality and innovation shines in this connector:

• Proven Reliability: Extensive testing ensures performance in demanding environments
• Global Support: Samtec's technical teams available worldwide
• Full Documentation: Comprehensive datasheets and 3D models available
• Custom Options: Available for high-volume applications

Availability and Ordering Information

The QTH-090-03-F-D-A-TR is currently Active in Samtec's product line. Available through:

• Authorized distributors worldwide
• Direct from Samtec
• Online electronics component platforms

For volume pricing, lead times, or technical support, contact Samtec's sales team today.

Conclusion

The QTH-090-03-F-D-A-TR surface mount header connector delivers an exceptional combination of high density, reliability, and performance. Its 0.50mm pitch and 180-position configuration address the most challenging interconnect requirements in modern electronic systems. Whether you're designing advanced telecommunications equipment, medical devices, or industrial control systems, this Samtec connector provides the robust connectivity solution your application demands.

Engineers seeking a proven, high-performance interconnect solution for space-constrained designs will find the QTH-090-03-F-D-A-TR an ideal choice. With Samtec's commitment to quality and technical support, you can integrate this connector with confidence in your next-generation electronic systems.