SFM-120-01-F-S

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WSFM 20-Position 1.27mm Board-to-Board Connectors: Replacement for SAMTEC SFM-120-01-F-S

Board-to-Board Connectors
SFM-120-01-F-S
Mfr. Part No. : WSFM-220H01FS
Standalone or 100% Samtec-Compatible. Identical Specs. Plug & Play.
Compatible model for SFM-120-01-F-S is WSFM-220H01FS. Tiger Eye™ SFM series 1.27mm pitch 1-row connector, 20 pins total. Connector Type: Receptacle, Contact Type: Female Socket, Style: Board to Board or Cable, Number of Positions: 20, Number of Positions Loaded: All, Pitch - Mating: 0.050" (1.27mm), Number of Rows: 1, Row Spacing - Mating: -, Mounting Type: Through Hole, Termination: Solder, Fastening Type: Push-Pull, Contact Finish - Mating: Gold, Contact Finish Thickness - Mating: 3.00µin (0.076µm), 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: -, Current Rating (Amps): 3.2A per Contact, Voltage Rating: 250VAC
Connector Series: WSFM
Number of Pins: 20
Connector Pitch: 1.27mm
Rows: 1
$8.38 $3.79
In Stock (1266)

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

Documentation View all

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

SFM-120-01-F-S 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-F-S SFM-120-01-L-D-LC SFM-120-01-L-D-A-TR SFM-120-01-L-D-A
Connector Type Header Terminal Other Terminal
Connector Series WSFM WSFM WSFM WSFM
Connector Pitch 1.27mm 1.27mm Other 1.27mm
Rows 1 2 Other 2
Number of Pins 20 40 — 40
Terminal Interface Through-Hole, Vertical (DIP) Surface Mount (SMD) Other Surface Mount (SMD)
Orientation Vertical Vertical Other Vertical
Material / Metal Other High Copper Alloy (for pins/contacts) Other High Copper Alloy (for pins/contacts)
Color Blue Black Yellow Black
Rated Voltage (VAC/VDC) 32 20 200 20
Rated Current per Contact (Max.) (A) 30~50A Other 0.5~1A Other
Plating Gold Plating (Au) Gold Plating (Au) Other Gold Plating (Au)
Plating Thickness 80in(2.03μm) 30μin(0.76μm) 8μin(0.203μm) 10μin(0.254μm)
Packaging Rigid Tray with Cover Reel Reel Reel
Insulation Diameter (mm) 3.00 0.97 0.90 0.97
Wire Gauge (AWG) 24~30 18 16~22 18
Operating Temperature -55℃~125℃ -55℃~125℃ Other -55℃~125℃
Number of Circuits 20 Other 47 Other
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 1
Number of Pins 20
Terminal Interface Through-Hole, Vertical (DIP)
Orientation Vertical
Material / Metal Other
Color Blue
Rated Voltage (VAC/VDC) 32
Rated Current per Contact (Max.) (A) 30~50A
Plating Gold Plating (Au)
Plating Thickness 80in(2.03μm)
Packaging Rigid Tray with Cover
Insulation Diameter (mm) 3.00
Wire Gauge (AWG) 24~30
Operating Temperature -55℃~125℃
Number of Circuits 20
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-F-S has a pitch of 1.27mm and 20 pins. Current availability: 1266. 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-F-S connector and TFM-125-02-L-D-LC-TR in terms of Contact Material, Orientation, and Current (Max)?

    Hi, for SFM-120-01-F-S and TFM-125-02-L-D-LC-TR, Orientation is the same (Vertical). The main differences are in Contact Material and Current (Max): SFM-120-01-F-S has Contact Material is Other, Current (Max) is 30~50A; while TFM-125-02-L-D-LC-TR has Contact Material is Phosphor Bronze, Current (Max) is 1~2A. Choose based on termination process and material requirements. Contact online support for a deeper parameter comparison.
    Asked: 2026-09-29 05:30:58 Answered: 2026-09-29 05:30:58
  • Q: Hi, is the SFM-120-01-F-S connector male or female, and which mating connector part numbers can be used with it?

    Hi, the SFM-120-01-F-S connector is a Female connector. For mating use, this series pairs with TFM. Recommended mating TFM part numbers include: TFM-105-05-L-D-DP-A, TFM-108-01-L-D-DP-A, TFM-105-02-L-D-A, TFM-107-03-S-D-A, TFM-107-05-S-D-DP-A, TFM-107-02-L-D-LC, TFM-105-04-L-D-LC, TFM-107-04-L-D-DP-A-K-TR. You can search these part numbers on this site for full specs and availability.
    Asked: 2026-09-29 05:30:57 Answered: 2026-09-29 05:30:57
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