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SFM-120-02-F-D-A-K

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WSFM 40-Position 1.27mm Board-to-Board Connectors: Replacement for SAMTEC SFM-120-02-F-D-A-K

SFM-120-02-F-D-A-K
Board-to-Board Connectors
SFM-120-02-F-D-A-K
Mfr. Part No. : WSFM-220H02FDAK
Standalone or 100% Samtec-Compatible. Identical Specs. Plug & Play.
Compatible model for SFM-120-02-F-D-A-K is WSFM-220H02FDAK. 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: Surface Mount, Termination: Solder, Fastening Type: Push-Pull, Contact Finish - Mating: Gold, Contact Finish Thickness - Mating: 3.00µin (0.076µm), Insulation Color: Black, Insulation Height: 0.185" (4.70mm), Contact Length - Post: -, Operating Temperature: -55°C ~ 125°C, Material Flammability Rating: UL94 V-0, Contact Finish - Post: Tin, Mated Stacking Heights: 6.15mm, 6.30mm, 7.92mm, 8.08mm, 9.70mm, 9.86mm, 11.61mm, 11.76mm, Ingress Protection: -, Features: Board Guide, Pick and Place, Current Rating (Amps): 3.2A per Contact, Voltage Rating: 250VAC
🏷 40 pin connector
Connector Series: WSFM
Number of Pins: 40
Connector Pitch: 1.27mm
Rows: 2
$6.28 $3.12
In Stock (896)

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

Datasheet Drawing Request a Quote
Documentation View all

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

WSFM Series Drawings Size: 1 MB Download PDF SFM-120-02-F-D-A-K Datasheet Download PDF
SFM-120-02-F-D-A-K Specification Comparison

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

Part Number SFM-120-02-F-D-A-K SFM-120-02-L-S-LC-K SFM-120-02-S-D-LC SFM-120-02-S-S
Connector Type Header Header Terminal Header
Connector Series WSFM WSFM WSFM WSFM
Connector Pitch 1.27mm 1.27mm 1.27mm 1.27mm
Rows 2 1 2 1
Number of Pins 40 20 40 20
Terminal Interface Surface Mount (SMD) Surface Mount (SMD) Surface Mount (SMD) Surface Mount (SMD)
Orientation Vertical Vertical Vertical Vertical
Material / Metal Other Other High Copper Alloy (for pins/contacts) Other
Color Green + Au-plated (15μin) Natural + Ni-plated then Au-plated Black Gray + Ni-plated then Sn-plated
Rated Voltage (VAC/VDC) 5 400 20 20
Rated Current per Contact (Max.) (A) 2～3A 5～10A 2～3A 10～30A
Plating Gold Plating (Au) Gold Plating (Au) Gold Plating (Au) Gold Plating (Au)
Plating Thickness 4μin（0.102μm） 8μin（0.203μm） 30μin（0.76μm） Special Material + Plating Combination
Packaging Tray with Cover Tray with Cover Reel Tray
Insulation Diameter (mm) 0.60 1.52 Other 1.78
Wire Gauge (AWG) 18 AWG Dual Wall 24～30 Other 18～26
Operating Temperature -55℃～125℃ -55℃～125℃ -55℃～125℃ -55℃～125℃
Number of Circuits 40 20 51 20
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 Surface Mount (SMD)
Orientation Vertical
Material / Metal Other
Color Green + Au-plated (15μin)
Rated Voltage (VAC/VDC) 5
Rated Current per Contact (Max.) (A) 2～3A
Plating Gold Plating (Au)
Plating Thickness 4μin（0.102μm）
Packaging Tray with Cover
Insulation Diameter (mm) 0.60
Wire Gauge (AWG) 18 AWG Dual Wall
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-120-02-F-D-A-K has a pitch of 1.27mm and 40 pins. Current availability: 896. For datasheets and drawings, please contact our technical team or use the form above.

  • Q: Hi, what are the differences between the SFM-120-02-F-D-A-K connector and LSHM-120-02.5-F-DV-A-S-TR in terms of Operating Temperature, Plating Thickness, and Type?

    Hi, SFM-120-02-F-D-A-K and LSHM-120-02.5-F-DV-A-S-TR differ in all three parameters — Operating Temperature, Plating Thickness, and Type. Specifically, SFM-120-02-F-D-A-K has Operating Temperature is -55℃～125℃, Plating Thickness is 4μin（0.102μm）, Type is Header; while LSHM-120-02.5-F-DV-A-S-TR has Operating Temperature is Other, Plating Thickness is 1μin（0.025μm）, Type is Other. When selecting, compare orientation, termination process, and material needs for your application. For a full side-by-side specification comparison, please contact our online support.
    Asked: 2026-09-30 05:30:50 Answered: 2026-09-30 05:30:50

  • Q: Hi, is the SFM-120-02-F-D-A-K connector male or female, and which mating connector part numbers can be used with it?

    Hi, the SFM-120-02-F-D-A-K connector is a Female connector. For mating use, this series pairs with TFM. Recommended mating TFM part numbers include: TFM-108-02-L-D-A-K-TR, TFM-105-02-S-D-DH-A, TFM-105-05-S-D-A-K-TR, TFM-105-03-L-D-A-K-TR, TFM-107-02-L-D-A, TFM-105-02-S-D-DH-A-TR, TFM-105-01-L-D-DP-A, TFM-105-01-S-D-DP-A. 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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