SEAM-40-02.0-L-04-2-A-K-TR SAMTEC Connector (Other) In Stock
The SEAM-40-02.0-L-04-2-A-K-TR is a 40-position dual-row board stacking receptacle from SAMTEC with 2.0 mm pitch and 4 mm stack height. Its gold-over-nickel contacts and RoHS-compliant build suit demanding stacking applications, available in stock with worldwide shipping.
- Manufacturer
- SAMTEC
- Package
- Other
- Pin Count
- 160
- Lifecycle
- ACTIVE
- Category
- Connector
- Temp Range
- -55.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 40-position dual-row board stacking receptacle at 2.0 mm pitch with 4 mm stack height for precise PCB separation
- Gold (10 µin) over nickel (50 µin) contact finish ensures low contact resistance and reliable mating in high-cycle applications
- PEG board mounting option and 1-week factory lead time support quick-turn prototyping and volume production schedules
Applications
The SEAM-40-02.0-L-04-2-A-K-TR is designed for multi-board stacking systems in industrial computing, embedded control modules, and wireless communication equipment where 40 positions at 2.0 mm pitch and a tight 4 mm board separation are required. Its gold-plated contacts and ELP feature set ensure reliable signal integrity across the full stack in vibration-prone environments.
Specifications
| Pbfree Code | Yes |
| Factory Lead Time | 1Week |
| YTEOL | 8.75 |
| Additional Feature | ELP; FINAL INCH; SAMARRAY; SEARRAY |
| Board Mounting Option | PEG |
| Body Breadth | 0.278inch |
| Body Depth | 0.221inch |
| Body Length | 2.196inch |
| Connector Type | BOARD STACKING CONNECTOR |
| Contact Finish Mating | GOLD (10) OVER NICKEL (50) |
| Contact Finish Termination | Tin (Sn) - with Nickel (Ni) barrier |
| Contact Gender | MALE |
| Contact Material | COPPER ALLOY |
| Contact Pattern | RECTANGULAR |
| Contact Style | CENTRONIC |
| DIN Conformance | NO |
| Filter Feature | NO |
| IEC Conformance | NO |
| Insulator Color | BLACK |
| JESD-609 Code | e3 |
| MIL Conformance | NO |
| Mating Contact Pitch | 0.05inch |
| Mating Information | MULTIPLE MATING PARTS AVAILABLE |
| Mixed Contacts | NO |
| Mounting Style | STRAIGHT |
| Mounting Type | BOARD |
| Number Of Connectors | ONE |
| Number Of PCB Rows | 4 |
| Number of Rows Loaded | 4 |
| Option | GENERAL PURPOSE |
| PCB Contact Pattern | RECTANGULAR |
| PCB Contact Row Spacing | 1.27mm |
| Plating Thickness | 10u inch |
| Rated Current (Signal) | 2.7A |
| Terminal Pitch | 1.27mm |
| Termination Type | SURFACE MOUNT |
| Total Number of Contacts | 160 |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8536.69.40.40 |
| Country of Origin | Costa Rica, USA |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What stack height and pitch does the SEAM-40-02.0-L-04-2-A-K-TR provide for multi-board assemblies?
The SEAM-40-02.0-L-04-2-A-K-TR provides a 4 mm board-to-board stack height at a 2.0 mm pitch dual-row configuration with 40 positions, making it suitable for tightly packed embedded computing stacks where minimal inter-board clearance is required.
What contact finish does the SEAM-40-02.0-L-04-2-A-K-TR use and why does it matter for reliability?
The mating contacts are plated with gold (10 µin minimum) over nickel (50 µin minimum), providing corrosion resistance and low contact resistance suitable for high-reliability board-stacking applications requiring stable performance over thousands of mating cycles.
Which embedded or industrial applications benefit from the 40-position dual-row configuration of this SAMTEC stacking connector?
Applications such as industrial SBC stacks, IoT gateway module boards, and compact wireless communication units benefit from the 40-position dual-row layout at 2.0 mm pitch, enabling 40 signals across a 4 mm inter-board gap with gold contact reliability in environments subject to mechanical vibration.
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