Name: TOLC-125-02-S-Q
Brand: WORLDPO
SKU: TOLC-125-02-S-Q
Price: 10.56 USD
Availability: InStock

Board-to-Board Connectors

TOLC-125-02-S-Q

Mfr. Part No. : WTOLC-4X25H02SQ

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

Compatible model for TOLC-125-02-S-Q is WTOLC-4X25H02SQ. FOURRAY™ TOLC series 1.27mm pitch 4-row connector, 100 pins total. Connector Type: Header, Contact Type: Male Pin, Pitch - Mating: 0.050" (1.27mm), Number of Positions: 100, Number of Rows: 4, Row Spacing - Mating: 0.050" (1.27mm), Number of Positions Loaded: All, Style: Board to Board, Shrouding: Shrouded - 4 Wall, Mounting Type: Surface Mount, Termination: Solder, Fastening Type: Push-Pull, Contact Length - Mating: 0.100" (2.54mm), Contact Length - Post: -, Overall Contact Length: -, Insulation Height: 0.220" (5.60mm), Contact Shape: Square, Contact Finish - Mating: Gold, Contact Finish Thickness - Mating: 30.0µin (0.76µm), Contact Finish - Post: Gold, Contact Material: Phosphor Bronze, Insulation Material: Liquid Crystal Polymer (LCP), Features: -, Operating Temperature: -55°C ~ 125°C, Ingress Protection: -, Material Flammability Rating: UL94 V-0, Insulation Color: Black, Current Rating (Amps): 2.4A per Contact, Voltage Rating: -

Connector Series: WTOLC

Number of Pins: 100

Connector Pitch: 1.27mm

Rows: 4

$15.41 $10.56

In Stock (324)

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Documentation View all

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

TOLC-125-02-S-Q Datasheet Size: 1 MB Download PDF

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	WTOLC
Connector Pitch	1.27mm
Rows	4
Terminal Interface	Surface Mount (SMD)
Orientation	Vertical
Material / Metal	Phosphor Bronze
Color	Blue + Au-plated (5μin)
Rated Voltage (VAC/VDC)	25
Rated Current per Contact (Max.) (A)	5～10A
Plating	Gold Plating (Au)
Plating Thickness	Phosphor Bronze - Selective Gold/Tin Plating (Au/Sn) - 5μin (0.127μm)
Packaging	Reel
Insulation Diameter (mm)	1.28
Wire Gauge (AWG)	18
Operating Temperature	-55℃～125℃
Number of Circuits	100

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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 WTOLC series part TOLC-125-02-S-Q has a pitch of 1.27mm and 100 pins. Current availability: 324. For datasheets and drawings, please contact our technical team or use the form above.
Q: Hi, what are the differences between the TOLC-125-02-S-Q connector and TOLC-110-02-F-Q-A in terms of Type, Plating Thickness, and Operating Temperature?

Hi, for TOLC-125-02-S-Q and TOLC-110-02-F-Q-A, Operating Temperature is the same (-55℃～125℃). The main differences are in Type and Plating Thickness: TOLC-125-02-S-Q has Type is Header, Plating Thickness is Phosphor Bronze - Selective Gold/Tin Plating (Au/Sn) - 5μin (0.127μm); while TOLC-110-02-F-Q-A has Type is Terminal, Plating Thickness is 3μin（0.076μm）. Choose based on termination process and material requirements. Contact online support for a deeper parameter comparison.

Asked: 2026-08-25 09:36:30 Answered: 2026-08-25 09:36:30
Q: Hi, is the TOLC-125-02-S-Q connector male or female, and which mating connector part numbers can be used with it?

Hi, the TOLC-125-02-S-Q connector is a Male connector. For mating use, this series pairs with SOLC. Recommended mating SOLC part numbers include: SOLC-105-02-S-Q-A, SOLC-110-12-L-Q, SOLC-105-32-L-Q, SOLC-120-02-L-Q, SOLC-120-12-S-Q-A, SOLC-115-22-L-Q-A, SOLC-115-32-L-Q-A, SOLC-120-12-F-Q-A. You can search these part numbers on this site for full specs and availability.

Asked: 2026-08-25 09:36:17 Answered: 2026-08-25 09:36:17