SFM-114-T2-LM-D-A-P SAMTEC Connector (Other) In Stock
SAMTEC SFM-114-T2-LM-D-A-P is a 28-position dual-row high-reliability surface mount socket strip with 0.050" (1.27 mm) pitch, featuring Tiger Eye contacts, T2 tail length, low-profile mating, and polarization peg for error-proof mating. Designed for compact board-to-board interconnects in demanding applications. Available for worldwide shipping.
- Manufacturer
- SAMTEC
- Package
- Other
- Pin Count
- 28
- Lifecycle
- ACTIVE
- Datasheet
- SFM-114-T2-LM-D-A-P Datasheet PDF
- Category
- Connector
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 28-position dual-row socket on 0.050" (1.27 mm) pitch provides 14 contacts per row for a body length of approximately 17.8 mm in compact mezzanine designs
- T2 extended tail length improves solderability and solder joint strength for high-reliability surface mount attachment in vibration-prone applications
- Low-profile mating (LM) reduces inter-board clearance requirements, enabling PCB stack heights under 5 mm in space-constrained embedded assemblies
- Polarization peg (P) prevents connector mis-orientation in multi-connector PCB layouts, eliminating costly mis-mating failures in field service
Applications
The SFM-114-T2-LM-D-A-P is suited for compact board-to-board mezzanine connections in embedded computing modules, industrial sensor interfaces, and telecommunications line cards requiring 28 signal contacts with keyed mating. The T2 extended solder tail provides enhanced solder joint reliability for applications subject to mechanical shock or vibration, such as avionics and automotive infotainment. The low-profile design enables tightly stacked PCB assemblies where inter-board clearance must remain under 5 mm.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What does the T2 tail designation in SFM-114-T2-LM-D-A-P indicate, and why is it preferred in vibration-prone environments?
The T2 designation refers to an extended solder tail length compared to the standard T1 variant. Longer tails increase the solder fillet height and contact surface area at the PCB pad, improving mechanical pull-out strength and fatigue resistance under cyclic mechanical loading. In applications such as avionics line-replaceable units or railway trackside electronics subject to 5 G to 10 G vibration profiles, the T2 tail helps maintain solder joint integrity over the connector's rated 28-position dual-row interface.
How many pins per row does the SFM-114-T2-LM-D-A-P have, and how long is the connector body at 0.050" pitch?
The SFM-114-T2-LM-D-A-P has 28 total positions in a dual-row configuration, yielding 14 pins per row on a 0.050" (1.27 mm) pitch. The body length is approximately 17.8 mm (14 positions × 1.27 mm). This compact 18 mm footprint makes it a natural fit for 24-bit data buses plus 4 control signals, or similar 28-wire parallel interface designs on constrained PCBs.
When should an engineer select SFM-114-T2-LM-D-A-P over the SFM-119 (38-position) for a new mezzanine board design?
The SFM-114 (28 positions) is the correct choice when the interface requires 28 or fewer signals, saving approximately 10 mm of board length versus the SFM-119 (38 positions, ~24 mm). This 6 mm saving is meaningful in board designs where the connector zone is constrained to under 20 mm. Additional motivation to choose SFM-114 includes lower unit cost due to fewer contacts and a shorter body that reduces the risk of coplanarity issues during SMT reflow on PCBs larger than 100 mm × 100 mm.
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