SFM-120-01-L-D-TR

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

Board-to-Board Connectors
SFM-120-01-L-D-TR
Mfr. Part No. : WSFM-220H01LDTR
Standalone or 100% Samtec-Compatible. Identical Specs. Plug & Play.
Compatible model for SFM-120-01-L-D-TR is WSFM-220H01LDTR. 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: 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
Connector Series: WSFM
Number of Pins: 40
Connector Pitch: 1.27mm
Rows: 2
$6.49 $3.17
In Stock (4433)

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

Documentation View all

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

SFM-120-01-L-D-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-120-01-L-D-TR SFM-120-01-L-D-A SFM-120-01-L-D-A-FR SFM-120-01-S-D
Connector Type Header Terminal Other Header
Connector Series WSFM WSFM WSFM WSFM
Connector Pitch 1.27mm 1.27mm Other 1.27mm
Rows 2 2 Other 2
Number of Pins 40 40 — 40
Terminal Interface Through-Hole, Vertical (DIP) Surface Mount (SMD) Other Through-Hole, Vertical (DIP)
Orientation Vertical Vertical Other Vertical
Material / Metal Other High Copper Alloy (for pins/contacts) Other Other
Color Blue + Au-plated (30μin) Black Blue + Ni-plated then Au-plated Green + Au-plated (15μin)
Rated Voltage (VAC/VDC) 380 20 500 200
Rated Current per Contact (Max.) (A) 30~50A Other 3~5A 5~10A
Plating Gold Plating (Au) Gold Plating (Au) Other Gold Plating (Au)
Plating Thickness 50μin(1.27μm) 10μin(0.254μm) Special Material + Plating Combination 15μin(0.381μm)
Packaging Tray with Cover Reel Rigid Tray with Cover Multi-Layer Reel
Insulation Diameter (mm) 1.16 0.97 1.15 1.00
Wire Gauge (AWG) 24~30 18 14~18 20
Operating Temperature -55℃~125℃ -55℃~125℃ Other -55℃~125℃
Number of Circuits 40 Other 48 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 2
Number of Pins 40
Terminal Interface Through-Hole, Vertical (DIP)
Orientation Vertical
Material / Metal Other
Color Blue + Au-plated (30μin)
Rated Voltage (VAC/VDC) 380
Rated Current per Contact (Max.) (A) 30~50A
Plating Gold Plating (Au)
Plating Thickness 50μin(1.27μm)
Packaging Tray with Cover
Insulation Diameter (mm) 1.16
Wire Gauge (AWG) 24~30
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-L-D-TR has a pitch of 1.27mm and 40 pins. Current availability: 4433. 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-D-TR connector and SFM-135-02-L-D-LC in terms of Current (Max), Color / Resin, and Plating Thickness?

    Hi, SFM-120-01-L-D-TR and SFM-135-02-L-D-LC differ in all three parameters — Current (Max), Color / Resin, and Plating Thickness. Specifically, SFM-120-01-L-D-TR has Current (Max) is 30~50A, Color / Resin is Blue + Au-plated (30μin), Plating Thickness is 50μin(1.27μm); while SFM-135-02-L-D-LC has Current (Max) is 10~30A, Color / Resin is Orange + Au-plated (15μin), Plating Thickness is 15μin(0.381μm). 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-D-TR connector male or female, and which mating connector part numbers can be used with it?

    Hi, the SFM-120-01-L-D-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-A, TFM-105-05-L-D-DP-A, TFM-105-01-S-D-DH-A, TFM-105-05-L-D-DH-A-TR, TFM-108-02-L-D-A, TFM-105-01-S-D-LC-K-TR, TFM-105-05-S-D-DP-A, TFM-105-03-L-D-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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