Name: TOLC-105-22-S-Q-A-K-TR
Brand: WORLDPO
SKU: TOLC-105-22-S-Q-A-K-TR
Price: 7.82 USD
Availability: InStock

Board-to-Board Connectors

TOLC-105-22-S-Q-A-K-TR

Mfr. Part No. : WTOLC-4X05H22SQAKTR

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

Compatible model for TOLC-105-22-S-Q-A-K-TR is WTOLC-4X05H22SQAKTR. FOURRAY™ TOLC series 1.27mm pitch 4-row connector, 20 pins total. Connector Type: Header, Elevated, Contact Type: Male Pin, Pitch - Mating: 0.050" (1.27mm), Number of Positions: 20, 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: 0.364" (9.25mm), 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 Guide, 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: -

🏷 20 pin connector

Connector Series: WTOLC

Number of Pins: 20

Connector Pitch: 1.27mm

Rows: 4

$10.91 $7.82

In Stock (1999)

Typical lead time: contact for quote Packaging: Reel

Datasheet Request a Quote

Documentation View all

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

TOLC-105-22-S-Q-A-K-TR Datasheet Download PDF

TOLC-105-22-S-Q-A-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	TOLC-105-22-S-Q-A-K-TR	TOLC-105-22-L-Q-LC-K	TOLC-105-22-F-Q-LC	TOLC-105-22-L-Q-A
Connector Type	Header	Header	Terminal	Terminal
Connector Series	WTOLC	WTOLC	WTOLC	WTOLC
Connector Pitch	1.27mm	1.27mm	1.27mm	1.27mm
Rows	4	4	4	4
Number of Pins	20	20	20	20
Terminal Interface	Surface Mount (SMD)	Surface Mount (SMD)	Through-Hole, Vertical (DIP)	Surface Mount (SMD)
Orientation	Vertical	Vertical	Vertical	Vertical
Material / Metal	Phosphor Bronze	Phosphor Bronze	Copper Iron Alloy	Other
Color	Tomato Red	Yellow + Au-plated (30μin)	Dark Purple	Blue + Au-plated (30μin)
Rated Voltage (VAC/VDC)	32	240	25	32
Rated Current per Contact (Max.) (A)	0.2～0.5A	10～30A	30～50A	0.5～1A
Plating	Gold Plating (Au)	Gold Plating (Au)	Selective Gold/Tin Plating (Au/Sn)	Selective Gold/Tin Plating (Au/Sn)
Plating Thickness	2μin（0.051μm）	5μin（0.127μm）	3μin（0.076μm）	15μin（0.381μm）
Packaging	Reel	Multi-Layer Reel	Tape and Reel	Tape and Reel
Insulation Diameter (mm)	0.70	1.45	3.93	1.57
Wire Gauge (AWG)	10～12	22～24	20～24	14～18
Operating Temperature	-55℃～125℃	-55℃～125℃	-55℃～125℃	-55℃～125℃
Number of Circuits	20	20	38	112

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	20
Terminal Interface	Surface Mount (SMD)
Orientation	Vertical
Material / Metal	Phosphor Bronze
Color	Tomato Red
Rated Voltage (VAC/VDC)	32
Rated Current per Contact (Max.) (A)	0.2～0.5A
Plating	Gold Plating (Au)
Plating Thickness	2μin（0.051μm）
Packaging	Reel
Insulation Diameter (mm)	0.70
Wire Gauge (AWG)	10～12
Operating Temperature	-55℃～125℃
Number of Circuits	20

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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-105-22-S-Q-A-K-TR has a pitch of 1.27mm and 20 pins. Current availability: 1999. For datasheets and drawings, please contact our technical team or use the form above.
Q: Hi, what are the differences between the TOLC-105-22-S-Q-A-K-TR connector and TOLC-120-32-F-Q-A-K in terms of Current (Max), Contact Material, and Insulation Diameter?

Hi, for TOLC-105-22-S-Q-A-K-TR and TOLC-120-32-F-Q-A-K, Contact Material is the same (Phosphor Bronze). The main differences are in Current (Max) and Insulation Diameter: TOLC-105-22-S-Q-A-K-TR has Current (Max) is 0.2～0.5A, Insulation Diameter is 0.70; while TOLC-120-32-F-Q-A-K has Current (Max) is 0.5～1A, Insulation Diameter is 1.45～1.90. Choose based on termination process and material requirements. Contact online support for a deeper parameter comparison.

Asked: 2026-09-28 05:30:53 Answered: 2026-09-28 05:30:53
Q: Hi, is the TOLC-105-22-S-Q-A-K-TR connector male or female, and which mating connector part numbers can be used with it?

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

Asked: 2026-09-28 05:30:52 Answered: 2026-09-28 05:30:52