Chinese|

SFM-120-01-L-D-K

Home > Board-to-Board Connectors > SFM-120-01-L-D-K

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

SFM-120-01-L-D-K
Board-to-Board Connectors
SFM-120-01-L-D-K
Mfr. Part No. : WSFM-220H01LDK
Standalone or 100% Samtec-Compatible. Identical Specs. Plug & Play.
Compatible model for SFM-120-01-L-D-K is WSFM-220H01LDK. 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: Pick and Place, Current Rating (Amps): 3.2A per Contact, Voltage Rating: 250VAC
🏷 40 pin connector
Connector Series: WSFM
Number of Pins: 40
Connector Pitch: 1.27mm
Rows: 2
$8.14 $3.65
In Stock (9453)

Typical lead time: contact for quote Packaging: Bag

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-D-K Datasheet Download PDF
SFM-120-01-L-D-K 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-K SFM-120-01-S-D-N SFM-120-01-L-D-A-TR SFM-120-01-L-D-TR
Connector Type Header Header 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) Through-Hole, Vertical (DIP) Other Through-Hole, Vertical (DIP)
Orientation Vertical Vertical Other Vertical
Material / Metal Other Other Other Other
Color Red + Au-plated (5μin) White + Ni-plated then Au-plated Yellow Blue + Au-plated (30μin)
Rated Voltage (VAC/VDC) 25 25 200 380
Rated Current per Contact (Max.) (A) 0.5～1A 3～5A 0.5～1A 30～50A
Plating Gold Plating (Au) Gold Plating (Au) Other Gold Plating (Au)
Plating Thickness 30μin（0.76μm） Phosphor Bronze - Selective Gold/Tin Plating (Au/Sn) - 5μin (0.127μm) 8μin（0.203μm） 50μin（1.27μm）
Packaging Bag Tube Reel Tray with Cover
Insulation Diameter (mm) 4.35 1.20～1.60 0.90 1.16
Wire Gauge (AWG) 10 14～18 16～22 24～30
Operating Temperature -55℃～125℃ -55℃～125℃ Other -55℃～125℃
Number of Circuits 40 40 47 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 Red + Au-plated (5μin)
Rated Voltage (VAC/VDC) 25
Rated Current per Contact (Max.) (A) 0.5～1A
Plating Gold Plating (Au)
Plating Thickness 30μin（0.76μm）
Packaging Bag
Insulation Diameter (mm) 4.35
Wire Gauge (AWG) 10
Operating Temperature -55℃～125℃
Number of Circuits 40
Product FAQ

Have a Question?

Our technical team typically replies within 1 business day.

Your information is used only to respond to this inquiry.

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-K has a pitch of 1.27mm and 40 pins. Current availability: 9453. 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-K connector and TFM-145-02-S-D-A in terms of Termination, Color / Resin, and Plating Thickness?

    Hi, for SFM-120-01-L-D-K and TFM-145-02-S-D-A, Plating Thickness is the same (30μin（0.76μm）). The main differences are in Termination and Color / Resin: SFM-120-01-L-D-K has Termination is Through-Hole, Vertical (DIP), Color / Resin is Red + Au-plated (5μin); while TFM-145-02-S-D-A has Termination is Surface Mount (SMD), Color / Resin is Other. 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-D-K connector male or female, and which mating connector part numbers can be used with it?

    Hi, the SFM-120-01-L-D-K connector is a Female connector. For mating use, this series pairs with TFM. Recommended mating TFM part numbers include: TFM-107-04-S-D-A-K-TR, TFM-107-01-S-D-A-K-TR, TFM-105-01-L-D-LC-K-TR, TFM-107-03-L-D-LC-K-TR, TFM-105-03-S-D-DP-A, TFM-107-05-S-D-DP-A-K-TR, TFM-107-01-L-D-DP-A, TFM-108-02-S-D-LC. 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
Product Dimension
Dimension image will be displayed here
Previous SFM-120-01-L-D-A-K
Next SFM-120-01-L-D-LC-K
WORLDPO customer support
  • Get a Quote
  • WhatsApp
  • WeChat
    • Contact Close

    ×

    Request pricing, lead time, and samples. Use the inquiry form or email connector@worldpo.com. We typically reply within 24 hours.

    Request a Quote Email Us WhatsApp