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Samtec SS4 Series Straight Surface PCB Socket 40-Contact 2 Row 0.4mm Pitch Solder Termination SS4-20-3.50-L-D-K-TR
Specifications
| Country of Origin | India |
|---|---|
| Brand | Samtec |
| Orientation | Straight |
| Current | 1.3A |
| Model | SS4-20-3.50-L-D-K-TR |
| Mount Type | Surface |
| Housing Material | Liquid Crystal Polymer |
| Contact Material | Bronze |
| Series | SS4 |
| Termination Type | Solder |
| Maximum Operating Temperature | 125°C |
| Sub Type | Board-to-Board |
| Minimum Operating Temperature | -55°C |
| Number of Rows | 2 |
| Pitch | 0.4mm |
| Contact Plating | Gold |
| Number of Contacts | 40 |
| Contact Gender | Female |
| Connector System | Board-to-Board |
| Stacking Height | 6mm |
| Row Pitch | 1.41mm |
Key Features
- Compact 0.4 mm pitch suits high-density PCB applications.
- Dual-row configuration with 40 female contacts ensures reliable board-to-board connections.
- Constructed with liquid crystal polymer housing for durability and heat resistance.
- Gold-plated phosphor bronze contacts provide excellent conductivity and corrosion resistance.
- Supports 1.3A current rating for moderate power applications.
- Designed for surface mount technology with a stacking height of 6 mm.
- Operating temperature range from -55°C to 125°C for wide environmental resilience.
- Polarized with undercut retention notches to secure reliable mating and increased withdrawal force.
Product Description
Samtec SS4-20-3.50-L-D-K-TR is a high-performance, straight surface mount PCB socket designed for board-to-board connections requiring ultra-fine 0.4 mm pitch precision. With 40 female contacts in two rows, this socket is engineered for compact, space-saving PCB layouts commonly found in advanced electronic manufacturing.
The housing material is black liquid crystal polymer, providing excellent mechanical strength and thermal stability across operating temperatures ranging from -55°C to 125°C. The contacts are made of phosphor bronze with a 0.25µm gold plating over the contact area to ensure optimal conductivity and corrosion resistance. The tail is matte tin plated to facilitate reliable solder termination.
The socket supports a 1.3A maximum current, making it suitable for moderate power electronic devices. Its stacking height is 6 mm, accommodating low-profile board stacking setups. The polarized design with undercut retention notches enhances mating reliability and withdrawal retention force, making it ideal for rugged industrial and communication equipment.
This PCB socket is part of the SS4 series, known for ultra-fine pitch and high-speed signal integrity, making it preferable for applications in telecommunications, computing, and industrial control systems. The solder termination and surface-mount technology support efficient automated assembly processes, improving production throughput.
Key features include:. Compact 0.4 mm pitch for high-density PCB integration. Dual-row, 40-contact female socket configuration. Durable liquid crystal polymer housing. Gold-plated phosphor bronze contacts for reliable conductivity.
Wide operating temperature range ensures environmental robustness. Polarized design for secure connection retention.
This product is ideal for industrial, electronic manufacturing, telecommunications, and computing applications requiring reliable, high precision board-to-board interconnects. Explore more advanced PCB Sockets and connectors in the Electronics & Electricals category on EnvMart.
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Frequently Asked Questions
This model supports a maximum current rating of 1.3A, making it suitable for moderate power applications.
The SS4-20-3.50-L-D-K-TR features a compact pitch size of 0.4 mm, designed for high-density PCB applications.
The housing is made from liquid crystal polymer, while the contacts are constructed from phosphor bronze with gold plating for conductivity and corrosion resistance.
It has a stacking height of 6 mm, accommodating low-profile board stacking setups.
This socket operates effectively within a temperature range of -55°C to 125°C, ensuring resilience in various environments.
The SS4-20-3.50-L-D-K-TR features 40 female contacts arranged in a dual-row configuration.
It utilizes solder termination, which facilitates reliable connections during assembly.
Yes, it is polarized and features undercut retention notches to enhance mating reliability and increase withdrawal force.
This model has a straight orientation, suitable for surface mount applications.
It is ideal for applications in industrial, electronic manufacturing, telecommunications, and computing that require reliable board-to-board interconnects.
The contacts are gold-plated to ensure optimal conductivity and resistance to corrosion.
This product is manufactured in India.
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