SFM-111-T2-SM-D-LC-TR SAMTEC Connector (Other) In Stock
SFM-111-T2-SM-D-LC-TR is a 22-position dual-row high-reliability SMT socket strip from Samtec with a fine 1.27 mm (0.050") pitch, gold-plated contacts rated 1.5 A per pin, and a low-clearance (LC) profile with tape-and-reel packaging for automated placement. The T2 stack height and LC body minimize board-to-board separation in ultra-compact module stacking applications. Available from authorized distributors with worldwide shipping.
- Manufacturer
- SAMTEC
- Package
- Other
- Pin Count
- 22
- Lifecycle
- ACTIVE
- Datasheet
- SFM-111-T2-SM-D-LC-TR Datasheet PDF
- Category
- Connector
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of SFM-111-T2-SM-D-LC-TR?
- 22-position dual-row (2×11) layout at 1.27 mm (0.050") pitch with LC low-clearance body for ultra-thin module-to-mainboard stacking
- High-reliability gold-plated contacts rated 1.5 A per pin ensure low-resistance, stable mating across high-cycle-life modular interconnections
- Tape-and-reel (TR) packaging with SMT termination fully compatible with lead-free SAC305 reflow processes up to 260°C
What is SFM-111-T2-SM-D-LC-TR used for?
The SFM-111-T2-SM-D-LC-TR is designed for compact module-on-board assemblies, sensor daughter cards, and miniature wireless or compute modules where 22 signals must be routed through a thin, low-profile 1.27 mm pitch dual-row socket. Its LC low-clearance body minimizes the gap between stacked boards, making it suitable for thin embedded systems, wearable electronics, and space-constrained IoT gateway modules. The tape-and-reel format supports automated high-volume SMT manufacturing with consistent placement accuracy.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the SFM-111-T2-SM-D-LC-TR datasheet?
SFM-111-T2-SM-D-LC-TR Datasheet DownloadOfficial datasheet from SAMTEC
What are equivalent replacements for SFM-111-T2-SM-D-LC-TR?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the exact pin arrangement and physical size of the SFM-111-T2-SM-D-LC-TR socket strip?
The SFM-111-T2-SM-D-LC-TR provides 22 contacts organized as 2 rows of 11 positions each at a 1.27 mm (0.050") pitch. The total connector body length is approximately 11 × 1.27 mm = 13.97 mm, and the row-to-row spacing is 2.54 mm center-to-center, yielding a footprint of roughly 14 mm × 4 mm. This miniature size allows the socket to be placed on boards with as little as 20 mm × 20 mm of available connector area.
What does the LC (low-clearance) body designation mean for board-to-board stack height in the SFM-111-T2-SM-D-LC-TR?
The LC suffix specifies a reduced above-board insulator height of approximately 1.52 mm (0.060"), which, combined with the T2 mating pin length, produces a board-to-board separation of roughly 3 mm to 4 mm when fully mated. This is significantly thinner than standard L2 or H-height SFM variants that produce 5 mm to 8 mm stack heights, enabling use in wearable devices, smartcard readers, and ultra-slim IoT modules where total product thickness budgets are under 8 mm.
What current capacity does each contact provide in the SFM-111-T2-SM-D-LC-TR and how can it support a 3.3 V supply rail?
Each contact is rated at 1.5 A continuous current with gold-plated contact resistance below 30 mΩ per mated pair. For a 3.3 V power supply rail requiring 3 A, a designer can parallel 2 of the 22 contacts, using only 2 positions for the rail and leaving 20 contacts for SPI, I2C, GPIO, UART, or differential pair signals. This mixed power-and-signal density on a single 1.27 mm pitch socket is a key advantage of the SFM series for space-limited module designs.
Which Samtec mating pin headers are compatible with the SFM-111-T2-SM-D-LC-TR socket?
The SFM-111-T2 socket mates with Samtec TSM-111 dual-row pin strips and SFM-111 pin-side versions at the matching 1.27 mm pitch and 2×11 count. The T2 designation specifies the mating pin post length, meaning the counterpart pin header must have a pin length that seats fully into the socket at the LC stack height without bottoming before full engagement. Samtec's interactive product configurator lists compatible mating parts by stack height and pin length.
For a Bluetooth sensor module requiring USB data plus I2C and SPI on a single board-to-board connector, can the SFM-111-T2-SM-D-LC-TR satisfy that requirement?
Yes. The 22 positions of the SFM-111-T2-SM-D-LC-TR can simultaneously carry a full-speed USB 2.0 differential pair (D+/D–, 2 signals), an I2C bus (SDA, SCL, 2 signals), a 4-wire SPI bus (MOSI, MISO, SCK, CS, 4 signals), and UART (TX, RX, 2 signals), totaling 10 signal pins. The remaining 12 positions accommodate VDD, GND, reset, and interrupt lines, covering a complete Bluetooth module interface within the compact 14 mm × 4 mm socket footprint at 1.27 mm pitch.
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