SFM-104-02-LM-D-A-P SAMTEC Connector (Other) In Stock
SAMTEC SFM-104-02-LM-D-A-P is an 8-position dual-row high-reliability SMT socket strip on a 0.050" (1.27 mm) pitch, with polarization peg and right-angle or low-profile termination options for secure board-to-board connections. Designed for compact embedded systems. Available from stock with worldwide shipping.
- Manufacturer
- SAMTEC
- Package
- Other
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- SFM-104-02-LM-D-A-P Datasheet PDF
- Category
- Connector
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 8-position dual-row layout at 0.050" (1.27 mm) pitch for compact high-density board-to-board signal connections
- Polarization peg (-P suffix) prevents incorrect mating orientation, reducing assembly errors in high-volume production
- High-reliability contact system supports a minimum of 100 mating cycles for maintenance-accessible modular board designs
Applications
The SFM-104-02-LM-D-A-P is used in compact embedded modules, sensor interface boards, and industrial control sub-assemblies where 8 signals must be reliably routed between PCBs in minimal footprint. The polarization peg ensures foolproof mating during field servicing or rapid board swaps. Its dual-row 0.050" pitch layout delivers the signal density needed for SPI, I2C, and parallel bus interfaces in tight space envelopes.
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 polarization peg (-P suffix) on the SFM-104-02-LM-D-A-P prevent during assembly?
The polarization peg prevents 180-degree incorrect mating of the 8-position connector, which could short power and ground pins and damage connected circuits. In automated assembly environments or field-service scenarios where technicians swap modules quickly, this feature eliminates mis-mating errors at essentially zero added cost or board space.
For an SPI bus with chip-select, how well does the 8-position SFM-104-02-LM-D-A-P fit the interface?
An SPI interface with MOSI, MISO, SCLK, CS, VCC, GND, and two reserved lines fits precisely into the 8 positions of the SFM-104-02-LM-D-A-P. At 0.050" (1.27 mm) pitch, the dual-row footprint occupies only about 0.2" in length, leaving ample routing space for a 4-layer PCB carrying multiple peripheral interfaces.
How does SFM-104-02-LM-D-A-P differ from the through-hole SFM series connectors in the same family?
The SFM-104-02-LM-D-A-P uses SMT termination rather than through-hole tails, eliminating the need for PCB drilling and allowing placement on either side of the board. This reduces fabrication cost on 2-layer boards and lowers the connector's contribution to total PCB height compared to through-hole variants, which typically add 2 mm to 4 mm below the board surface.
Is SFM-104-02-LM-D-A-P appropriate for 3.3 V logic signal interfaces in industrial sensor modules?
Yes. SAMTEC SFM series connectors support signal voltages typical of 3.3 V and 5 V CMOS logic. The contact resistance and current rating of the series comfortably handles low-current sensor signals at 3.3 V, and the 8-position count suits compact sensor module interfaces that carry power, ground, and up to 6 data lines within a single connector.
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