SFM-120-01-S-D-LC-K-TR

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WSFM 40-Position 1.27mm Board-to-Board Connectors: Replacement for SAMTEC SFM-120-01-S-D-LC-K-TR

Board-to-Board Connectors
SFM-120-01-S-D-LC-K-TR
Mfr. Part No. : WSFM-220H01SDLCKTR
Standalone or 100% Samtec-Compatible. Identical Specs. Plug & Play.
Compatible model for SFM-120-01-S-D-LC-K-TR is WSFM-220H01SDLCKTR. Tiger Eye™ SFM series 1.27mm pitch 2-row connector, 40 pins total. Connector Type: Receptacle, Contact Type: Female Socket, Style: Board to Board or Cable, Number of Positions: 40, Number of Positions Loaded: All, Pitch - Mating: 0.050" (1.27mm), Number of Rows: 2, Row Spacing - Mating: 0.050" (1.27mm), Mounting Type: Through Hole, Termination: Solder, Fastening Type: Push-Pull, Contact Finish - Mating: Gold, Contact Finish Thickness - Mating: 30.0µin (0.76µm), Insulation Color: Black, Insulation Height: 0.180" (4.57mm), Contact Length - Post: 0.120" (3.05mm), Operating Temperature: -55°C ~ 125°C, Material Flammability Rating: UL94 V-0, Contact Finish - Post: Tin, Mated Stacking Heights: 6.02mm, 6.17mm, 7.80mm, 7.95mm, 9.58mm, 9.73mm, 11.48mm, 11.63mm, Ingress Protection: -, Features: Board Lock, Pick and Place, Current Rating (Amps): 3.2A per Contact, Voltage Rating: 250VAC
Connector Series: WSFM
Number of Pins: 40
Connector Pitch: 1.27mm
Rows: 2
$8.74 $4.38
In Stock (7425)

Typical lead time: contact for quote Packaging: Reel with Cover

Documentation View all

Download connector datasheets. PDFs include product overview, features, pin definitions, pinout diagrams, and technical specifications.

SFM-120-01-S-D-LC-K-TR Specification Comparison

Specification comparison is for reference only. For detailed drawings, datasheets, or custom specs, email us at connector@worldpo.com.

Part Number SFM-120-01-S-D-LC-K-TR SFM-120-01-SM-D-A SFM-120-01-F-D-K SFM-120-01-L-D-K
Connector Type Header Header Header Header
Connector Series WSFM WSFM WSFM WSFM
Connector Pitch 1.27mm 1.27mm 1.27mm 1.27mm
Rows 2 2 2 2
Number of Pins 40 40 40 40
Terminal Interface Through-Hole, Vertical (DIP) Through-Hole, Vertical (DIP) Through-Hole, Vertical (DIP) Through-Hole, Vertical (DIP)
Orientation Vertical Vertical Vertical Vertical
Material / Metal Other Other Other Other
Color Natural Black + Ni-plated then Au-plated White + Ni-plated then Au-plated Red + Au-plated (5μin)
Rated Voltage (VAC/VDC) 60 25 125 25
Rated Current per Contact (Max.) (A) 30~50A 2~3A 3~5A 0.5~1A
Plating Gold Plating (Au) Gold Plating (Au) Gold Plating (Au) Gold Plating (Au)
Plating Thickness 20μin(0.508μm) 1μin(0.025μm) 2μin(0.051μm) 30μin(0.76μm)
Packaging Reel with Cover Reel with Cover Rigid Tray with Mylar Film Bag
Insulation Diameter (mm) 1.80 1.78 2.70 4.35
Wire Gauge (AWG) 20~22 20 28~30 10
Operating Temperature -55℃~125℃ -55℃~125℃ -55℃~125℃ -55℃~125℃
Number of Circuits 40 40 40 40
Basic Information

* "The parameters listed are for reference only. For detailed specifications and design drawings, please contact our online technical support team."

Category Board-to-Board Connectors
Connector Type Header
Connector Series WSFM
Connector Pitch 1.27mm
Rows 2
Number of Pins 40
Terminal Interface Through-Hole, Vertical (DIP)
Orientation Vertical
Material / Metal Other
Color Natural
Rated Voltage (VAC/VDC) 60
Rated Current per Contact (Max.) (A) 30~50A
Plating Gold Plating (Au)
Plating Thickness 20μin(0.508μm)
Packaging Reel with Cover
Insulation Diameter (mm) 1.80
Wire Gauge (AWG) 20~22
Operating Temperature -55℃~125℃
Number of Circuits 40
Product FAQ

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Frequently Asked Questions

3 questions
  • Q: What is the pitch and pin count of this connector? Is it in stock?

    This WSFM series part SFM-120-01-S-D-LC-K-TR has a pitch of 1.27mm and 40 pins. Current availability: 7425. For datasheets and drawings, please contact our technical team or use the form above.
  • Q: Hi, what are the differences between the SFM-120-01-S-D-LC-K-TR connector and TFM-107-01-L-D-RA in terms of Color / Resin, Plating Thickness, and Operating Temperature?

    Hi, for SFM-120-01-S-D-LC-K-TR and TFM-107-01-L-D-RA, Operating Temperature is the same (-55℃~125℃). The main differences are in Color / Resin and Plating Thickness: SFM-120-01-S-D-LC-K-TR has Color / Resin is Natural, Plating Thickness is 20μin(0.508μm); while TFM-107-01-L-D-RA has Color / Resin is Black, Plating Thickness is 15μin(0.381μm). Choose based on termination process and material requirements. Contact online support for a deeper parameter comparison.
    Asked: 2026-09-30 05:30:50 Answered: 2026-09-30 05:30:50
  • Q: Hi, is the SFM-120-01-S-D-LC-K-TR connector male or female, and which mating connector part numbers can be used with it?

    Hi, the SFM-120-01-S-D-LC-K-TR connector is a Female connector. For mating use, this series pairs with TFM. Recommended mating TFM part numbers include: TFM-105-03-S-D-A-K-TR, TFM-105-05-L-D-A, TFM-105-01-S-D-A-K-TR, TFM-105-05-S-D-DH-A, TFM-105-03-L-D-DP-A, TFM-105-02-L-D-A-K-TR, TFM-108-02-L-D-DP-A, TFM-105-02-L-D-DP-A-K-TR. You can search these part numbers on this site for full specs and availability.
    Asked: 2026-09-30 05:30:49 Answered: 2026-09-30 05:30:49
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