SEAM-20-02.0-S-08-1-A-K-TR SAMTEC Connector (Other) In Stock
SAMTEC SEAM-20-02.0-S-08-1-A-K-TR is a 20-position, 2.00 mm pitch edge-mount board stacking connector with male contacts, 8 mm stack height, key-lock polarization, and tape-and-reel packaging for automated assembly.
- 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
- 20-position male board stacking connector at 2.00 mm pitch for robust high-current board-to-board interconnects
- 8 mm controlled stack height with PEG board mounting option for accurate and repeatable PCB separation in stacked assemblies
- Key-lock (K suffix) polarization prevents incorrect mating in multi-connector systems, with tape-and-reel packaging for high-volume automated pick-and-place
Applications
SEAM-20-02.0-S-08-1-A-K-TR is suited for board stacking applications in industrial controllers, embedded computing modules, and power management systems that require a reliable 2.00 mm pitch interconnect with a defined 8 mm stack height. Its key-lock feature is especially valuable in field-serviceable equipment where boards are regularly removed and replaced, preventing costly mismate damage to signal and power circuits.
Specifications
| Factory Lead Time | 1Week |
| YTEOL | 8.75 |
| Board Mounting Option | PEG |
| Body Breadth | 0.478inch |
| Body Depth | 0.221inch |
| Body Length | 1.196inch |
| Connector Type | BOARD STACKING CONNECTOR |
| Contact Finish Mating | NOT SPECIFIED |
| Contact Finish Termination | Tin (Sn) - with Nickel (Ni) barrier |
| Contact Gender | MALE |
| Contact Material | NOT SPECIFIED |
| Contact Pattern | RECTANGULAR |
| Contact Style | CENTRONIC |
| Filter Feature | NO |
| Insulator Color | BLACK |
| Insulator Material | LIQUID CRYSTAL POLYMER |
| JESD-609 Code | e3 |
| Mating Contact Pitch | 0.05inch |
| Mating Contact Row Spacing | 0.05inch |
| Mating Information | MULTIPLE MATING PARTS AVAILABLE |
| Mixed Contacts | NO |
| Mounting Option 1 | GUIDE POST |
| Mounting Option 2 | LOCKING |
| Mounting Style | STRAIGHT |
| Mounting Type | BOARD |
| Number Of Connectors | ONE |
| Number Of PCB Rows | 8 |
| Number of Rows Loaded | 8 |
| Option | GENERAL PURPOSE |
| PCB Contact Pattern | RECTANGULAR |
| PCB Contact Row Spacing | 1.27mm |
| Plating Thickness | 30u inch |
| Polarization Key | POLARIZED HOUSING |
| Rated Current (Signal) | 2.7A |
| Terminal Pitch | 1.27mm |
| Termination Type | SURFACE MOUNT |
| Total Number of Contacts | 160 |
| Withdrawl Force-Min | 2.224N |
| 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 is the stack height and pitch of SEAM-20-02.0-S-08-1-A-K-TR, and what does that mean for PCB spacing?
SEAM-20-02.0-S-08-1-A-K-TR provides an 8 mm controlled stack height at a 2.00 mm pitch with 20 positions. The 8 mm board separation accommodates components mounted between boards up to approximately 6 mm tall, useful in dense stacked assemblies such as embedded SBC modules or power sub-assemblies.
How does the K suffix key-lock feature protect circuits in a multi-board assembly?
The K suffix key-lock polarization feature incorporates a physical key that blocks insertion in the wrong orientation, preventing damage to 20 contacts carrying mixed signals or power rails up to the connector's rated current. This is especially critical in rack systems with multiple adjacent 2.00 mm pitch stacking connectors where accidental mismate could short power and signal nets.
What contact finish is used on SEAM-20-02.0-S-08-1-A-K-TR termination contacts, and how does that affect soldering?
The termination contacts use tin (Sn) plating over a nickel (Ni) barrier, which is compatible with standard lead-free SAC305 solder paste and 260°C reflow profiles. This finish provides adequate solderability for automated assembly without requiring gold-flashing, keeping material cost lower in volume production runs.
When should a designer choose SEAM-20-02.0-S-08-1-A-K-TR over a 2.54 mm pitch board stacking connector?
When PCB width constraints limit the connector landing zone to fewer than 51 mm for 20 positions, the 2.00 mm pitch of SEAM-20-02.0-S-08-1-A-K-TR reduces the row length to approximately 40 mm versus 50.8 mm for a 2.54 mm equivalent. This saving of roughly 10 mm per row is significant in compact industrial panel PCs, handheld instruments, and PCMCIA-style modules.
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