SFM-120-01-H-D

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WSFM 40-Position 1.27mm Board-to-Board Connectors: Replacement for SAMTEC SFM-120-01-H-D

Board-to-Board Connectors
SFM-120-01-H-D
Mfr. Part No. : WSFM-220H01HD
Standalone or 100% Samtec-Compatible. Identical Specs. Plug & Play.
Compatible model for SFM-120-01-H-D is WSFM-220H01HD. 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: Gold, Mated Stacking Heights: 6.02mm, 6.17mm, 7.80mm, 7.95mm, 9.58mm, 9.73mm, 11.48mm, 11.63mm, 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
$11.89 $7.25
In Stock (4077)

Typical lead time: contact for quote Packaging: Rigid Tray with Mylar Film

Documentation View all

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

SFM-120-01-H-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-120-01-H-D SFM-120-01-S-D-A SFM-120-01-S-D-N SFM-120-01-F-S
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 1
Number of Pins 40 40 40 20
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 Magenta Gray + Ni-plated then Sn-plated White + Ni-plated then Au-plated Blue
Rated Voltage (VAC/VDC) 240 1400 25 32
Rated Current per Contact (Max.) (A) 10~30A 0.2~0.5A 3~5A 30~50A
Plating Gold Plating (Au) Gold Plating (Au) Gold Plating (Au) Gold Plating (Au)
Plating Thickness 2μin(0.051μm) 50μin(1.27μm) Phosphor Bronze - Selective Gold/Tin Plating (Au/Sn) - 5μin (0.127μm) 80in(2.03μm)
Packaging Rigid Tray with Mylar Film Reel with Cover Tube Rigid Tray with Cover
Insulation Diameter (mm) 3.80 0.80 1.20~1.60 3.00
Wire Gauge (AWG) 16~18 14~18 14~18 24~30
Operating Temperature -55℃~125℃ -55℃~125℃ -55℃~125℃ -55℃~125℃
Number of Circuits 40 40 40 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 Through-Hole, Vertical (DIP)
Orientation Vertical
Material / Metal Other
Color Magenta
Rated Voltage (VAC/VDC) 240
Rated Current per Contact (Max.) (A) 10~30A
Plating Gold Plating (Au)
Plating Thickness 2μin(0.051μm)
Packaging Rigid Tray with Mylar Film
Insulation Diameter (mm) 3.80
Wire Gauge (AWG) 16~18
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-H-D has a pitch of 1.27mm and 40 pins. Current availability: 4077. 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-H-D connector and SFM-125-02-H-D-A in terms of Orientation, Type, and Voltage?

    Hi, for SFM-120-01-H-D and SFM-125-02-H-D-A, Orientation and Type are the same (Vertical, Header). The main differences are in Voltage: SFM-120-01-H-D has Voltage is 240; while SFM-125-02-H-D-A has Voltage is 25. 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-H-D connector male or female, and which mating connector part numbers can be used with it?

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