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SFM-120-01-L-S

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

SFM-120-01-L-S
Board-to-Board Connectors
SFM-120-01-L-S
Mfr. Part No. : WSFM-220H01LS
Standalone or 100% Samtec-Compatible. Identical Specs. Plug & Play.
Compatible model for SFM-120-01-L-S is WSFM-220H01LS. 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: 10.0µin (0.25µm), 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
🏷 20 pin connector
Connector Series: WSFM
Number of Pins: 20
Connector Pitch: 1.27mm
Rows: 1
$19.55 $15.71
In Stock (148)

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

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-120-01-L-S Datasheet Download PDF
SFM-120-01-L-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-L-S SFM-120-01-L-D-A-FR SFM-120-01-S-D-A-P SFM-120-01-L-D
Connector Type Header Other Header Header
Connector Series WSFM WSFM WSFM WSFM
Connector Pitch 1.27mm Other 1.27mm 1.27mm
Rows 1 Other 2 2
Number of Pins 20 — 40 40
Terminal Interface Through-Hole, Vertical (DIP) Other Through-Hole, Vertical (DIP) Through-Hole, Vertical (DIP)
Orientation Vertical Other Vertical Vertical
Material / Metal Other Other Other Other
Color White + Ni-plated then Au-plated Blue + Ni-plated then Au-plated Red Natural + Au-plated (15μin)
Rated Voltage (VAC/VDC) 125 500 5 450
Rated Current per Contact (Max.) (A) 3～5A 3～5A 30～50A 10～30A
Plating Gold Plating (Au) Other Gold Plating (Au) Gold Plating (Au)
Plating Thickness 30μin（0.76μm） Special Material + Plating Combination 80in（2.03μm） 3μin（0.076μm）
Packaging Rigid Tray with Mylar Film Rigid Tray with Cover Reel with Cover Rigid Tray with Cover
Insulation Diameter (mm) 1.42 1.15 0.55 4.20
Wire Gauge (AWG) 20～22 14～18 18～22 16～18
Operating Temperature -55℃～125℃ Other -55℃～125℃ -55℃～125℃
Number of Circuits 20 48 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 1
Number of Pins 20
Terminal Interface Through-Hole, Vertical (DIP)
Orientation Vertical
Material / Metal Other
Color White + Ni-plated then Au-plated
Rated Voltage (VAC/VDC) 125
Rated Current per Contact (Max.) (A) 3～5A
Plating Gold Plating (Au)
Plating Thickness 30μin（0.76μm）
Packaging Rigid Tray with Mylar Film
Insulation Diameter (mm) 1.42
Wire Gauge (AWG) 20～22
Operating Temperature -55℃～125℃
Number of Circuits 20
Product FAQ

Have a Question?

Our technical team typically replies within 1 business day.

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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-L-S has a pitch of 1.27mm and 20 pins. Current availability: 148. 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-L-S connector and TFM-115-01-L-D-LC in terms of Plating Thickness, Wire Gauge (AWG), and Current (Max)?

    Hi, SFM-120-01-L-S and TFM-115-01-L-D-LC differ in all three parameters — Plating Thickness, Wire Gauge (AWG), and Current (Max). Specifically, SFM-120-01-L-S has Plating Thickness is 30μin（0.76μm）, Wire Gauge (AWG) is 20～22, Current (Max) is 3～5A; while TFM-115-01-L-D-LC has Plating Thickness is Special Material + Plating Combination, Wire Gauge (AWG) is 20～26, Current (Max) is 1～2A. 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: 2026-09-29 05:30:58 Answered: 2026-09-29 05:30:58

  • Q: Hi, is the SFM-120-01-L-S connector male or female, and which mating connector part numbers can be used with it?

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