Name: SFM-120-01-S-D-LC-K
Brand: WORLDPO
SKU: SFM-120-01-S-D-LC-K
Price: 50.93 USD
Availability: InStock

Board-to-Board Connectors

SFM-120-01-S-D-LC-K

Mfr. Part No. : WSFM-220H01SDLCK

Standalone or 100% Samtec-Compatible. Identical Specs. Plug & Play.

Compatible model for SFM-120-01-S-D-LC-K is WSFM-220H01SDLCK. 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: 30.0µin (0.76µm), 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 Lock, 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

$55.61 $50.93

In Stock (4629)

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-S-D-LC-K Datasheet Download PDF

SFM-120-01-S-D-LC-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-S-D-LC-K	SFM-120-01-S-S-P	SFM-120-01-S-D-A-N	SFM-120-01-S-D-A-P
Connector Type	Header	Header	Header	Header
Connector Series	WSFM	WSFM	WSFM	WSFM
Connector Pitch	1.27mm	1.27mm	1.27mm	1.27mm
Rows	2	1	2	2
Number of Pins	40	20	40	40
Terminal Interface	Through-Hole, Vertical (DIP)	Through-Hole, Vertical (DIP)	Through-Hole, Vertical (DIP)	Through-Hole, Vertical (DIP)
Orientation	Vertical	Vertical	Vertical	Vertical
Material / Metal	Other	Other	Other	Other
Color	Violet	Light Blue	Green	Red
Rated Voltage (VAC/VDC)	500	450	20	5
Rated Current per Contact (Max.) (A)	3～5A	0.5～1A	0.5～1A	30～50A
Plating	Gold Plating (Au)	Gold Plating (Au)	Gold Plating (Au)	Gold Plating (Au)
Plating Thickness	4μin（0.102μm）	30μin（0.76μm）	15μin（0.381μm）	80in（2.03μm）
Packaging	Tray	Rigid Tray with Cover	Bag	Reel with Cover
Insulation Diameter (mm)	3.40	4.20	0.63	0.55
Wire Gauge (AWG)	16～22	14	26	18～22
Operating Temperature	-55℃～125℃	-55℃～125℃	-55℃～125℃	-55℃～125℃
Number of Circuits	40	20	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	2
Number of Pins	40
Terminal Interface	Through-Hole, Vertical (DIP)
Orientation	Vertical
Material / Metal	Other
Color	Violet
Rated Voltage (VAC/VDC)	500
Rated Current per Contact (Max.) (A)	3～5A
Plating	Gold Plating (Au)
Plating Thickness	4μin（0.102μm）
Packaging	Tray
Insulation Diameter (mm)	3.40
Wire Gauge (AWG)	16～22
Operating Temperature	-55℃～125℃
Number of Circuits	40

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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-S-D-LC-K has a pitch of 1.27mm and 40 pins. Current availability: 4629. 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-S-D-LC-K connector and TFM-105-01-STL-D-RA in terms of Connector Pitch, Plating, and Type?

Hi, SFM-120-01-S-D-LC-K and TFM-105-01-STL-D-RA are identical in Connector Pitch, Plating, and Type, with values of 1.27mm, Gold Plating (Au), Header respectively. Even with these matching core parameters, the two products may still differ in series, pitch, or other specs — we recommend reviewing the full datasheet for final selection. Feel free to contact online support if you have questions.

Asked: 2026-09-29 05:30:58 Answered: 2026-09-29 05:30:58
Q: Hi, is the SFM-120-01-S-D-LC-K connector male or female, and which mating connector part numbers can be used with it?

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