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STMM-120-02-S-D-SM-K is listed in the Headers, Male Pins range at ChipApex. The manufacturer field lists Samtec Inc.. Its product description is CONN HEADER SMD 40POS 2MM. Review the specifications below when checking this part for your BOM.
Headers, Male Pins specifications for STMM-120-02-S-D-SM-K
- Description：CONN HEADER SMD 40POS 2MM
- Series：Flex Stack, STMM
- Mfr：Samtec Inc.
- Package：Tube
- Connector Type：Header
- Contact Type：Male Pin
- Pitch - Mating：0.079" (2.00mm)
- Number of Positions：40
- Number of Rows：2
- Row Spacing - Mating：0.079" (2.00mm)
- Number of Positions Loaded：All
- Style：Board to Cable/Wire
- Shrouding：Shrouded - 4 Wall
- Mounting Type：Surface Mount
- Termination：Solder
- Fastening Type：Push-Pull
- Contact Length - Mating：0.120" (3.05mm)
- Contact Length - Post：-
- Overall Contact Length：-
- Insulation Height：0.190" (4.83mm)
- Contact Shape：Square
- Contact Finish - Mating：Gold
- Contact Finish Thickness - Mating：30.0µin (0.76µm)
- Contact Finish - Post：Tin
- Contact Material：Phosphor Bronze
- Insulation Material：Liquid Crystal Polymer (LCP)
- Features：Keying Slot, Pick and Place
- Operating Temperature：-55°C ~ 125°C
- Ingress Protection：-
- Material Flammability Rating：-
- Insulation Color：Black
- Current Rating (Amps)：3A
- Voltage Rating：-
Headers, Male Pins datasheet and documents for STMM-120-02-S-D-SM-K
Headers, Male Pins Overview
The STMM-120-02-S-D-SM-K is a surface mount rectangular header connector manufactured by Samtec Inc. It features 40 contacts arranged in a dual row configuration with a 2 mm (0.079 inch) pitch. The connector utilizes male pins designed for straight, surface-mount termination on printed circuit boards. It belongs to the Flex Stack series and is RoHS compliant.
Headers, Male Pins Feature Summary
- Dual-wipe contact system ensures reliable electrical connection through multiple contact points per pin.
- Surface mount design facilitates automated placement and secure attachment to PCBs.
- Low-profile construction supports compact electronic device architectures.
Headers, Male Pins Applications
- Board-to-board interconnections
- Mezzanine connectivity
- High-density electronic assemblies
Headers, Male Pins Procurement Notes
Verify the specific suffix 'K' against official Samtec documentation to confirm lead time and packaging details. Ensure compatibility with mating sockets from the same series. Confirm RoHS compliance status for regulatory requirements. Check moisture sensitivity level ratings before storage and handling.
Headers, Male Pins Selection Notes
Select this component when a low-profile, high-reliability surface mount header is required. The dual-row configuration provides increased pin density within a limited footprint. Verify that the mating connector matches the 2 mm pitch and male pin interface specifications.
Headers, Male Pins Part Context
This part belongs to Samtec's Flex Stack family of board-to-board connectors. It is engineered for applications requiring robust signal integrity and mechanical stability in space-constrained environments. The series is known for its high-cycle durability and consistent performance.
Headers, Male Pins Replacement Considerations
Compatible mating components include CLT-120-02-S-D-A-K or similar dual-row sockets with matching 2 mm pitch. Ensure replacement parts maintain the same contact gender and termination style for proper assembly.
Headers, Male Pins FAQ
What is the contact pitch of the STMM-120-02-S-D-SM-K?
The contact pitch is 2 mm (0.079 inch).
Is this connector suitable for surface mount technology?
Yes, it is designed specifically for surface mount termination on PCBs.
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