Name: SFM-120-01-S-D-K-TR
Brand: WORLDPO
SKU: SFM-120-01-S-D-K-TR
Price: 4.26 USD
Availability: InStock

Board-to-Board Connectors

SFM-120-01-S-D-K-TR

Mfr. Part No. : WSFM-220H01SDKTR

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

Compatible model for SFM-120-01-S-D-K-TR is WSFM-220H01SDKTR. 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: 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

$8.84 $4.26

In Stock (1091)

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

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-K-TR Datasheet Download PDF

SFM-120-01-S-D-K-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-S-D-K-TR	SFM-120-01-SM-D-A-P	SFM-120-01-S-D	SFM-120-01-F-D-K-TR
Connector Type	Header	Header	Header	Header
Connector Series	WSFM	WSFM	WSFM	WSFM
Connector Pitch	1.27mm	1.27mm	1.27mm	1.27mm
Rows	2	2	2	2
Number of Pins	40	40	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	Red + Au-plated (10μin)	Red + Ni-plated then Au-plated	Green + Au-plated (15μin)	Yellow + Au-plated (15μin)
Rated Voltage (VAC/VDC)	400	24	200	24
Rated Current per Contact (Max.) (A)	3～5A	2～3A	5～10A	0.2～0.5A
Plating	Gold Plating (Au)	Gold Plating (Au)	Gold Plating (Au)	Gold Plating (Au)
Plating Thickness	100μin（2.54μm）	1μin（0.025μm）	15μin（0.381μm）	4μin（0.102μm）
Packaging	Tray with Cover	Rigid Tray with Cover	Multi-Layer Reel	Reel
Insulation Diameter (mm)	0.60	1.75	1.00	1.57
Wire Gauge (AWG)	14	18	20	28～32
Operating Temperature	-55℃～125℃	-55℃～125℃	-55℃～125℃	-55℃～125℃
Number of Circuits	40	40	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	Red + Au-plated (10μin)
Rated Voltage (VAC/VDC)	400
Rated Current per Contact (Max.) (A)	3～5A
Plating	Gold Plating (Au)
Plating Thickness	100μin（2.54μm）
Packaging	Tray with Cover
Insulation Diameter (mm)	0.60
Wire Gauge (AWG)	14
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-K-TR has a pitch of 1.27mm and 40 pins. Current availability: 1091. 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-K-TR connector and SFM-140-02-L-D-LC in terms of Plating Thickness, Color / Resin, and Operating Temperature?

Hi, for SFM-120-01-S-D-K-TR and SFM-140-02-L-D-LC, Operating Temperature is the same (-55℃～125℃). The main differences are in Plating Thickness and Color / Resin: SFM-120-01-S-D-K-TR has Plating Thickness is 100μin（2.54μm）, Color / Resin is Red + Au-plated (10μin); while SFM-140-02-L-D-LC has Plating Thickness is 10μin（0.254μm）, Color / Resin is Black. 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-120-01-S-D-K-TR connector male or female, and which mating connector part numbers can be used with it?

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