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SFM-120-02-L-S-TR

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WSFM 20-Position 1.27mm Board-to-Board Connectors: Replacement for SAMTEC SFM-120-02-L-S-TR

SFM-120-02-L-S-TR
Board-to-Board Connectors
SFM-120-02-L-S-TR
Mfr. Part No. : WSFM-220H02LSTR
Standalone or 100% Samtec-Compatible. Identical Specs. Plug & Play.
Compatible model for SFM-120-02-L-S-TR is WSFM-220H02LSTR. 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: Surface Mount, Termination: Solder, Fastening Type: Push-Pull, Contact Finish - Mating: Gold, Contact Finish Thickness - Mating: 10.0µin (0.25µm), 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
🏷 20 pin connector
Connector Series: WSFM
Number of Pins: 20
Connector Pitch: 1.27mm
Rows: 1
$6.63 $2.53
In Stock (895)

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-120-02-L-S-TR Datasheet Download PDF
SFM-120-02-L-S-TR 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-L-S-TR SFM-120-02-S-SH-TR SFM-120-02-L-S-LC-P-TR SFM-120-02-L-D-A-TR
Connector Type Header Header Header Header
Connector Series WSFM WSFM WSFM WSFM
Connector Pitch 1.27mm 1.27mm 1.27mm 1.27mm
Rows 1 1 1 2
Number of Pins 20 20 20 40
Terminal Interface Surface Mount (SMD) Surface Mount (SMD) Surface Mount (SMD) Surface Mount (SMD)
Orientation Vertical Right-angle Vertical Vertical
Material / Metal Other Other Other Other
Color Natural + Au-plated (15μin) Brick Red Red + Ni-plated then Au-plated Blue + Au-plated (5μin)
Rated Voltage (VAC/VDC) 32 1400 380 5
Rated Current per Contact (Max.) (A) 30～50A 1～2A 1～2A 3～5A
Plating Gold Plating (Au) Gold Plating (Au) Gold Plating (Au) Gold Plating (Au)
Plating Thickness 100μin（2.54μm） 5μin（0.127μm） 50μin（1.27μm） 15μin（0.381μm）
Packaging Rigid Tray with Mylar Film Multi-Layer Reel Rigid Tray with Cover Rigid Tray with Cover
Insulation Diameter (mm) 3.80 1.05 4.90 3.30
Wire Gauge (AWG) 24～36 18 AWG Dual Wall 18～24 20
Operating Temperature -55℃～125℃ -55℃～125℃ -55℃～125℃ -55℃～125℃
Number of Circuits 20 20 20 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 Surface Mount (SMD)
Orientation Vertical
Material / Metal Other
Color Natural + Au-plated (15μin)
Rated Voltage (VAC/VDC) 32
Rated Current per Contact (Max.) (A) 30～50A
Plating Gold Plating (Au)
Plating Thickness 100μin（2.54μm）
Packaging Rigid Tray with Mylar Film
Insulation Diameter (mm) 3.80
Wire Gauge (AWG) 24～36
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-120-02-L-S-TR has a pitch of 1.27mm and 20 pins. Current availability: 895. 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-L-S-TR connector and SFM-125-L2-F-D-K-TR in terms of Rows, Voltage, and Plating?

    Hi, for SFM-120-02-L-S-TR and SFM-125-L2-F-D-K-TR, Plating is the same (Gold Plating (Au)). The main differences are in Rows and Voltage: SFM-120-02-L-S-TR has Rows is 1, Voltage is 32; while SFM-125-L2-F-D-K-TR has Rows is 2, Voltage is 200. 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-L-S-TR connector male or female, and which mating connector part numbers can be used with it?

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