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SAMTEC ST440250LDPTR High-Speed Connector

The ST4 series connector features a super-fine 0.4 mm pitch narrow body design, suitable for space-saving PCB applications. It employs black LCP insulator material and phosphor bronze contacts with Au or Sn plating, optimized for high-speed differential signaling up to 31 Gbps. With a stack height of 4 mm and easy SMT coplanarity, this connector supports a current rating of 1.6 A per pin, making it ideal for compact, high-performance electronic devices requiring reliable, high-speed connections.

Authorized Distributors
Source:Newark
Part No:ST4-40-2.50-L-D-P-TR
Stock:844
Inv Date:05-27-2026
Price: Unit price: $5.08
Buy/RFQ:
Source:DigiKey
Part No:ST4-40-2.50-L-D-P-TR
Stock:878
Inv Date:05-27-2026
Price: Unit price: $3.34201
Buy/RFQ:
Part No:ST4-40-2.50-L-D-P-TR
Stock:4
Inv Date:05-20-2026
Price: Unit price: $5.23
Buy/RFQ:
Part No:ST4-40-2.50-L-D-P-TR
Stock:212
Inv Date:05-28-2026
Price: N/A
Buy/RFQ:

SAMTEC ST440250LDPTR High-Speed Connector Specifications:

  • Insulator Material: Black LCP
  • Contact Material: Phosphor Bronze
  • Plating: Au or Sn over Ni
  • Current Rating: 1.6 A per pin
  • Stack Height: 4 mm
  • Processing: SMT, coplanarity within 0.10 mm
  • Signal Speed: Up to 31 Gbps (15.5 GHz/31 Gbps for differential pair)
  • Pitch: 0.4 mm
  • Number of Positions: Varies with model
  • Temperature Range: Not specified
  • Compliance: CE, etc., see www.samtec.com/quality

Buy the Samtec Series ST4 High-Speed Connector: ST440250LDPTR

Enhance your electronic designs with the high-speed, space-efficient connector featuring a 0.4 mm pitch. Made with durable phosphor bronze contacts and black LCP insulators, it ensures reliable connectivity at speeds up to 31 Gbps. Suitable for compact, high-performance applications, it supports SMT mounting with excellent coplanarity. Its gold or tin plating enhances corrosion resistance, while a stack height of 4 mm allows for versatile PCB integration. Invest in this high-quality connector for durable, high-speed, and space-efficient electronic assemblies.

Buy Samtec ST440250LDPTR now and experience unmatched reliability and performance in space-saving high-speed PCB interconnections.

Frequently Asked Questions

Where can I buy SAMTEC ST440250LDPTR?

You can click on the BUY or RFQ button to purchase ST440250LDPTR from an authorized SAMTEC distributor.

How do I troubleshoot issues or seek technical support for part ST440250LDPTR?

You can download the ST440250LDPTR datasheet or visit the SAMTEC website for support.

Who is the manufacturer of ST440250LDPTR?

SAMTEC

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