SFM-120-02-F-D

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

Board-to-Board Connectors
SFM-120-02-F-D
Mfr. Part No. : WSFM-220H02FD
Standalone or 100% Samtec-Compatible. Identical Specs. Plug & Play.
Compatible model for SFM-120-02-F-D is WSFM-220H02FD. 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: -, Current Rating (Amps): 3.2A per Contact, Voltage Rating: 250VAC
Connector Series: WSFM
Number of Pins: 40
Connector Pitch: 1.27mm
Rows: 2
$6.13 $3.05
In Stock (494)

Typical lead time: contact for quote Packaging: Tape and Reel

Documentation View all

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

SFM-120-02-F-D 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 SFM-120-02-L-S SFM-120-02-L-S-TR SFM-120-02-S-D-A
Connector Type Header Header Header Terminal
Connector Series WSFM WSFM WSFM WSFM
Connector Pitch 1.27mm 1.27mm 1.27mm 1.27mm
Rows 2 1 1 2
Number of Pins 40 20 20 40
Terminal Interface Surface Mount (SMD) Surface Mount (SMD) Surface Mount (SMD) Surface Mount (SMD)
Orientation Vertical Vertical Vertical Vertical
Material / Metal Other Other Other High Copper Alloy (for pins/contacts)
Color Blue + Au-plated (5μin) Violet Natural + Au-plated (15μin) Black
Rated Voltage (VAC/VDC) 32 20 32 20
Rated Current per Contact (Max.) (A) 5~10A 30~50A 30~50A 2~3A
Plating Gold Plating (Au) Gold Plating (Au) Gold Plating (Au) Gold Plating (Au)
Plating Thickness 2μin(0.051μm) 1μin(0.025μm) 100μin(2.54μm) 30μin(0.76μm)
Packaging Tape and Reel Tray with Mylar Film Rigid Tray with Mylar Film Reel
Insulation Diameter (mm) 4.35 2.79 3.80 Other
Wire Gauge (AWG) 34 10~12 24~36 Other
Operating Temperature -55℃~125℃ -55℃~125℃ -55℃~125℃ -55℃~125℃
Number of Circuits 40 20 20 51
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 Blue + Au-plated (5μin)
Rated Voltage (VAC/VDC) 32
Rated Current per Contact (Max.) (A) 5~10A
Plating Gold Plating (Au)
Plating Thickness 2μin(0.051μm)
Packaging Tape and Reel
Insulation Diameter (mm) 4.35
Wire Gauge (AWG) 34
Operating Temperature -55℃~125℃
Number of Circuits 40
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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 has a pitch of 1.27mm and 40 pins. Current availability: 494. 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 connector and TFM-104-01-L-D-A-K in terms of Type, Plating Thickness, and Insulation Diameter?

    Hi, for SFM-120-02-F-D and TFM-104-01-L-D-A-K, Type is the same (Header). The main differences are in Plating Thickness and Insulation Diameter: SFM-120-02-F-D has Plating Thickness is 2μin(0.051μm), Insulation Diameter is 4.35; while TFM-104-01-L-D-A-K has Plating Thickness is 80in(2.03μm), Insulation Diameter is 1.78. 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-120-02-F-D connector male or female, and which mating connector part numbers can be used with it?

    Hi, the SFM-120-02-F-D connector is a Female connector. For mating use, this series pairs with TFM. Recommended mating TFM part numbers include: TFM-105-05-L-D-DH-A, TFM-105-05-L-D-A-K-TR, TFM-107-03-S-D-DH-A, TFM-105-02-L-D-DH-A, TFM-107-04-L-D-DH-A, TFM-108-02-S-D-DP-A, TFM-107-01-L-D-A, TFM-107-03-S-D-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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