Name: TOLC-105-12-S-Q
Brand: WORLDPO
SKU: TOLC-105-12-S-Q
Price: 10.50 USD
Availability: InStock

Board-to-Board Connectors

TOLC-105-12-S-Q

Mfr. Part No. : WTOLC-4X05H12SQ

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

Compatible model for TOLC-105-12-S-Q is WTOLC-4X05H12SQ. 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: 0.285" (7.25mm), 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: -, 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

$15.42 $10.5

In Stock (2562)

Typical lead time: contact for quote Packaging: Multi-Layer Reel

Datasheet Request a Quote

Documentation View all

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

TOLC-105-12-S-Q Datasheet Download PDF

TOLC-105-12-S-Q Specification Comparison

Specification comparison is for reference only. For detailed drawings, datasheets, or custom specs, email us at connector@worldpo.com.

Part Number	TOLC-105-12-S-Q	TOLC-105-12-L-Q-LC	TOLC-105-12-F-Q-A	TOLC-105-12-S-Q-LC
Connector Type	Header	Terminal	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)	Surface Mount (SMD)	Surface Mount (SMD)
Orientation	Vertical	Vertical	Vertical	Vertical
Material / Metal	Phosphor Bronze	Copper Iron Alloy	Copper Iron Alloy	Brass
Color	Orange + Ni-plated then Sn-plated	Blue + Au-plated (3μin)	Red + Au-plated (30μin)	Black + Ni-plated then Au-plated
Rated Voltage (VAC/VDC)	350	200	100	200
Rated Current per Contact (Max.) (A)	2～3A	0.5～1A	0.2～0.5A	5～10A
Plating	Gold Plating (Au)	Other	Selective Gold/Tin Plating (Au/Sn)	Silver Plating
Plating Thickness	100μin（2.54μm）	15μin（0.381μm）	3μin（0.076μm）	30μin（0.76μm）
Packaging	Multi-Layer Reel	Reel with Cover	Tray	Tray with Cover
Insulation Diameter (mm)	0.80～1.40	0.60	3.75	4.10
Wire Gauge (AWG)	22	26～32	18～20	26
Operating Temperature	-55℃～125℃	-55℃～125℃	-55℃～125℃	-55℃～125℃
Number of Circuits	20	116	31	43

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	Orange + Ni-plated then Sn-plated
Rated Voltage (VAC/VDC)	350
Rated Current per Contact (Max.) (A)	2～3A
Plating	Gold Plating (Au)
Plating Thickness	100μin（2.54μm）
Packaging	Multi-Layer Reel
Insulation Diameter (mm)	0.80～1.40
Wire Gauge (AWG)	22
Operating Temperature	-55℃～125℃
Number of Circuits	20

Have a Question?

Our technical team typically replies within 1 business day.

Your question *

Name *

Phone / WhatsApp / Email *

Your information is used only to respond to this inquiry.

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-105-12-S-Q has a pitch of 1.27mm and 20 pins. Current availability: 2562. For datasheets and drawings, please contact our technical team or use the form above.
Q: Hi, what are the differences between the TOLC-105-12-S-Q connector and SFM-125-T2-S-D-A-TR in terms of Operating Temperature, Contact Material, and Type?

Hi, for TOLC-105-12-S-Q and SFM-125-T2-S-D-A-TR, Operating Temperature and Type are the same (-55℃～125℃, Header). The main differences are in Contact Material: TOLC-105-12-S-Q has Contact Material is Phosphor Bronze; while SFM-125-T2-S-D-A-TR has Contact Material is Other. 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-105-12-S-Q connector male or female, and which mating connector part numbers can be used with it?

Hi, the TOLC-105-12-S-Q connector is a Male connector. For mating use, this series pairs with SOLC. Recommended mating SOLC part numbers include: SOLC-105-32-S-Q, SOLC-120-32-S-Q-A, SOLC-120-32-F-Q-A, SOLC-105-32-F-Q-A, SOLC-125-02-L-Q, SOLC-110-22-F-Q-A, SOLC-110-12-L-Q, SOLC-105-22-L-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