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SAMTEC SS420300LDKTR Ultra-fine pitch socket

The SS4 Series ultra-fine pitch socket features a 0.4mm pitch with a black LCP insulator and phosphor bronze contact material. It supports operating temperatures from -55°C to +125°C, with a current rating of 41.6A per pin. This cost-efficient, lead-free, solderable socket ensures excellent signal integrity with high-frequency performance up to 28 Gbps. Its narrow body design saves space on the PCB, providing reliable row-to-row mating for advanced electronic assemblies, including SMT PCB layouts for high-density applications in industrial and communication equipment.

Authorized Distributors
Source:Newark
Part No:SS4-20-3.00-L-D-K-TR
Stock:1200
Inv Date:05-27-2026
Price: Unit price: $3.99
Buy/RFQ:
Source:DigiKey
Part No:SS4-20-3.00-L-D-K-TR
Stock:3450
Inv Date:05-27-2026
Price: Unit price: $2.10801
Buy/RFQ:
Part No:SS420300LDKTR
Stock:0
Inv Date:05-28-2026
Price: N/A
Buy/RFQ:
Part No:SS4-20-3.00-L-D-K-TR
Stock:6349
Inv Date:05-28-2026
Price: Unit price: $35300
Buy/RFQ:
Part No:SS4-20-3.00-L-D-K-TR
Stock:1150
Inv Date:05-28-2026
Price: N/A
Buy/RFQ:

SAMTEC SS420300LDKTR Ultra-fine pitch socket Specifications:

  • Pitch: 0.4mm
  • Contact Material: Phosphor Bronze
  • Plating: Au or Sn over 50p" Ni
  • Operating Temperature Range: -55°C to +125°C
  • Current Rating: 41.6 A per pin
  • Stack Height: 4mm with PCB effects
  • Lead Coplanarity: 0.10 mm max
  • Material: Black LCP insulator
  • Socket Contact Type: Beam contact design
  • Insertion Loss: Rated @ 30B
  • Frequency Range: Up to 28 GHz/31 Gbps
  • Processing: Lead-Free, Solderable
  • Dimensions: Length varies with options, typical width 3.00mm, height 3.50mm to 6.00mm
  • Mounting Style: SMT
  • Certifications: UL Listed

Buy the Samtec SS420300LDKTR – Reliable Ultra-Fine Pitch Socket for Industrial Applications

Order the high-performance ultra-fine pitch socket online today. Designed with a 0.4mm pitch, it provides high-speed signal integrity at frequencies up to 28 GHz. Its black LCP insulator and phosphor bronze contacts ensure durability and excellent electrical contact. Perfect for dense PCB layouts and high-frequency applications in industrial automation, communication systems, and advanced electronics. This solderable, lead-free component offers reliable mating, space-saving design, and superior performance, making it a vital part of modern electronic manufacturing and design requirements.

Get Samtec SS420300LDKTR today—built for precision and long-lasting durability in high-density electronic assemblies.

Frequently Asked Questions

Where can I buy SAMTEC SS420300LDKTR?

You can click on the BUY or RFQ button to purchase SS420300LDKTR from an authorized SAMTEC distributor.

How do I troubleshoot issues or seek technical support for part SS420300LDKTR?

You can download the SS420300LDKTR datasheet or visit the SAMTEC website for support.

Who is the manufacturer of SS420300LDKTR?

SAMTEC

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