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SAMTEC ST440150LDPTR High-Speed Connector

The ST4 series features super-low profile connectors with a 4 mm stack height, ideal for space-constrained PCB applications. Constructed with black LCP insulators and phosphor bronze contacts, these connectors support differential pair signaling up to 31 Gbps, with options for gold or tin plating over nickel. They are designed for SMT mounting with excellent coplanarity (0.10 mm max) and support current ratings of 1.6 A per pin. Their compact design offers 20 to 40 positions, suitable for high-speed data transmission in electronic devices requiring reliable, low-profile connections.

Authorized Distributors
Source:Newark
Part No:ST4-40-1.50-L-D-P-TR
Stock:125
Inv Date:05-27-2026
Price: Unit price: $4.98
Buy/RFQ:
Source:DigiKey
Part No:ST4-40-1.50-L-D-P-TR
Stock:912
Inv Date:05-27-2026
Price: Unit price: $5.54
Buy/RFQ:
Part No:ST4-40-1.50-L-D-P-TR
Stock:1025
Inv Date:05-28-2026
Price: N/A
Buy/RFQ:

SAMTEC ST440150LDPTR High-Speed Connector Specifications:

  • Stack Height: 4 mm
  • Number of Positions: 20 to 40
  • Contact Material: Phosphor Bronze
  • Insulator Material: Black LCP
  • Plating: Au or Sn over Ni
  • Current Rating: 1.6 A per pin
  • Processing: SMT Lead Coplanarity 0.10 mm max
  • Signaling: Differential Pair up to 31 Gbps
  • Dimensions vary by model, spacing 0.40 inches (10.16 mm), length options include 1.00, 2.50 inches
  • Design supports high-speed data, low insertion loss, and space efficiency
  • Compatible with PCB layouts and recommended for high-frequency applications

Buy the Samtec Series ST4 High-Speed Connector: ST440150LDPTR

Explore the convenience of purchasing the Samtec Series ST4 high-speed connector online. This low-profile, space-saving connector with 20 to 40 positions supports data rates up to 31 Gbps. Designed with black LCP insulators and phosphor bronze contacts, it provides excellent electrical performance and durability for high-speed applications. Its SMT compatibility with coplanarity of 0.10 mm ensures easy assembly. Whether for advanced electronics, communication devices, or high-frequency systems, order now to enhance your project’s reliability and efficiency with world-class quality.

Order your Samtec Series ST4 high-speed connector today and ensure space-efficient, reliable PCB connections with superior signal integrity.

Frequently Asked Questions

Where can I buy SAMTEC ST440150LDPTR?

You can click on the BUY or RFQ button to purchase ST440150LDPTR from an authorized SAMTEC distributor.

How do I troubleshoot issues or seek technical support for part ST440150LDPTR?

You can download the ST440150LDPTR datasheet or visit the SAMTEC website for support.

Who is the manufacturer of ST440150LDPTR?

SAMTEC

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