Name: TOLC-120-02-S-Q-LC-K
Brand: WORLDPO
SKU: TOLC-120-02-S-Q-LC-K
Price: 10.84 USD
Availability: InStock

Board-to-Board Connectors

TOLC-120-02-S-Q-LC-K

Mfr. Part No. : WTOLC-4X20H02SQLCK

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

Compatible model for TOLC-120-02-S-Q-LC-K is WTOLC-4X20H02SQLCK. FOURRAY™ TOLC series 1.27mm pitch 4-row connector, 80 pins total. Connector Type: Header, Contact Type: Male Pin, Pitch - Mating: 0.050" (1.27mm), Number of Positions: 80, 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: Board Lock, Pick and Place, 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: -

🏷 80 pin connector

Connector Series: WTOLC

Number of Pins: 80

Connector Pitch: 1.27mm

Rows: 4

$15.05 $10.84

In Stock (7972)

Typical lead time: contact for quote Packaging: Tape and Reel

Datasheet Request a Quote

Documentation View all

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

TOLC-120-02-S-Q-LC-K Datasheet Download PDF

TOLC-120-02-S-Q-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	TOLC-120-02-S-Q-LC-K	TOLC-120-02-L-Q-A	TOLC-120-02-S-Q-A	TOLC-120-02-S-Q-K
Connector Type	Header	Terminal	Terminal	Header
Connector Series	WTOLC	WTOLC	WTOLC	WTOLC
Connector Pitch	1.27mm	1.27mm	1.27mm	1.27mm
Rows	4	4	4	4
Number of Pins	80	80	80	80
Terminal Interface	Surface Mount (SMD)	Surface Mount (SMD)	Surface Mount (SMD)	Surface Mount (SMD)
Orientation	Vertical	Vertical	Vertical	Vertical
Material / Metal	Phosphor Bronze	Phosphor Bronze	High Copper Alloy	Phosphor Bronze
Color	Dark Purple	Red	Yellow + Au-plated (30μin)	Blue + Au-plated (3μin)
Rated Voltage (VAC/VDC)	15	25	250	25
Rated Current per Contact (Max.) (A)	2～3A	5～10A	30～50A	2～3A
Plating	Gold Plating (Au)	Tin Plating (Sn)	Silver Plating	Gold Plating (Au)
Plating Thickness	4μin（0.102μm）	2μin（0.051μm）	30μin（0.76μm）	3μin（0.076μm）
Packaging	Tape and Reel	Tube	Tray with Mylar Film	Tray with Cover
Insulation Diameter (mm)	2.80 Dual Wall	0.97	2.00	1.27
Wire Gauge (AWG)	22	22～30	22	22～24
Operating Temperature	-55℃～125℃	-55℃～125℃	-55℃～125℃	-55℃～125℃
Number of Circuits	80	560	82	80

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
Number of Pins	80
Terminal Interface	Surface Mount (SMD)
Orientation	Vertical
Material / Metal	Phosphor Bronze
Color	Dark Purple
Rated Voltage (VAC/VDC)	15
Rated Current per Contact (Max.) (A)	2～3A
Plating	Gold Plating (Au)
Plating Thickness	4μin（0.102μm）
Packaging	Tape and Reel
Insulation Diameter (mm)	2.80 Dual Wall
Wire Gauge (AWG)	22
Operating Temperature	-55℃～125℃
Number of Circuits	80

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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-120-02-S-Q-LC-K has a pitch of 1.27mm and 80 pins. Current availability: 7972. For datasheets and drawings, please contact our technical team or use the form above.
Q: Hi, what are the differences between the TOLC-120-02-S-Q-LC-K connector and SFM-104-02-L-S-LC-K-FR in terms of Plating, Packaging, and Connector Pitch?

Hi, TOLC-120-02-S-Q-LC-K and SFM-104-02-L-S-LC-K-FR differ in all three parameters — Plating, Packaging, and Connector Pitch. Specifically, TOLC-120-02-S-Q-LC-K has Plating is Gold Plating (Au), Packaging is Tape and Reel, Connector Pitch is 1.27mm; while SFM-104-02-L-S-LC-K-FR has Plating is Other, Packaging is Tube, Connector Pitch is Other. 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: 2026-09-27 05:30:52 Answered: 2026-09-27 05:30:52
Q: Hi, is the TOLC-120-02-S-Q-LC-K connector male or female, and which mating connector part numbers can be used with it?

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

Asked: 2026-09-27 05:30:50 Answered: 2026-09-27 05:30:50