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SFM-120-01-L-S-A

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

SFM-120-01-L-S-A
Board-to-Board Connectors
SFM-120-01-L-S-A
Mfr. Part No. : WSFM-220H01LSA
Standalone or 100% Samtec-Compatible. Identical Specs. Plug & Play.
Compatible model for SFM-120-01-L-S-A is WSFM-220H01LSA. 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: Board Guide, 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
$19.47 $15.71
In Stock (7664)

Typical lead time: contact for quote Packaging: Tray

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-A Datasheet Download PDF
SFM-120-01-L-S-A 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-A SFM-120-01-F-D-K SFM-120-01-FM-D-A SFM-120-01-F-D
Connector Type Header Header Other Header
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) Through-Hole, Vertical (DIP) Other Through-Hole, Vertical (DIP)
Orientation Vertical Vertical Other Vertical
Material / Metal Other Other Other Other
Color Red + Au-plated (10μin) White + Ni-plated then Au-plated Yellow Blue
Rated Voltage (VAC/VDC) 20 125 500 100
Rated Current per Contact (Max.) (A) 0.5～1A 3～5A 2～3A 5～10A
Plating Gold Plating (Au) Gold Plating (Au) Other Gold Plating (Au)
Plating Thickness 3μin（0.076μm） 2μin（0.051μm） 1μin（0.025μm） 20μin（0.508μm）
Packaging Tray Rigid Tray with Mylar Film Tube Rigid Tray with Cover
Insulation Diameter (mm) 5.30 2.70 0.70 1.80
Wire Gauge (AWG) 26～30 28～30 24 FFC (Flexible Flat Cable)
Operating Temperature -55℃～125℃ -55℃～125℃ Other -55℃～125℃
Number of Circuits 20 40 8 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 Red + Au-plated (10μin)
Rated Voltage (VAC/VDC) 20
Rated Current per Contact (Max.) (A) 0.5～1A
Plating Gold Plating (Au)
Plating Thickness 3μin（0.076μm）
Packaging Tray
Insulation Diameter (mm) 5.30
Wire Gauge (AWG) 26～30
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-L-S-A has a pitch of 1.27mm and 20 pins. Current availability: 7664. 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-A connector and SFM-120-01-L-D-LC-K in terms of Termination, Connector Pitch, and Plating Thickness?

    Hi, for SFM-120-01-L-S-A and SFM-120-01-L-D-LC-K, Termination and Connector Pitch are the same (Through-Hole, Vertical (DIP), 1.27mm). The main differences are in Plating Thickness: SFM-120-01-L-S-A has Plating Thickness is 3μin（0.076μm）; while SFM-120-01-L-D-LC-K has Plating Thickness is Phosphor Bronze - Selective Gold/Tin Plating (Au/Sn) - 5μin (0.127μm). 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-L-S-A connector male or female, and which mating connector part numbers can be used with it?

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