TOLC-105-32-S-Q-K-TR

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WTOLC 20-Position 1.27mm Board-to-Board Connectors: Replacement for SAMTEC TOLC-105-32-S-Q-K-TR

Board-to-Board Connectors
TOLC-105-32-S-Q-K-TR
Mfr. Part No. : WTOLC-4X05H32SQKTR
Standalone or 100% Samtec-Compatible. Identical Specs. Plug & Play.
Compatible model for TOLC-105-32-S-Q-K-TR is WTOLC-4X05H32SQKTR. 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: 0.442" (11.23mm), 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: 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: -
Connector Series: WTOLC
Number of Pins: 20
Connector Pitch: 1.27mm
Rows: 4
$11.35 $8.23
In Stock (6160)

Typical lead time: contact for quote Packaging: Rigid Tray with Mylar Film

Documentation View all

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

TOLC-105-32-S-Q-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-105-32-S-Q-K-TR TOLC-105-32-S-Q TOLC-105-32-F-Q-LC TOLC-105-32-S-Q-LC
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) Surface Mount (SMD) Surface Mount (SMD)
Orientation Vertical Vertical Vertical Right-angle
Material / Metal Phosphor Bronze Phosphor Bronze High Copper Alloy (for pins/contacts) Phosphor Bronze
Color Blue + Au-plated (15μin) Blue + Au-plated (10μin) Black Light Blue
Rated Voltage (VAC/VDC) 30 5 5 30
Rated Current per Contact (Max.) (A) 0.2~0.5A 0.2~0.5A 2~3A 0.5~1A
Plating Gold Plating (Au) Gold Plating (Au) Gold Plating (Au) Tin Plating (Sn)
Plating Thickness 3μin(0.076μm) 10μin(0.254μm) 3μin(0.076μm) 8μin(0.203μm)
Packaging Rigid Tray with Mylar Film Tray Reel Multi-Layer Reel
Insulation Diameter (mm) 1.16 4.30 2.54 2.95
Wire Gauge (AWG) 28~30 14~20 20 20~26
Operating Temperature -55℃~125℃ -55℃~125℃ -55℃~125℃ -55℃~150℃
Number of Circuits 20 20 228 156
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 Blue + Au-plated (15μin)
Rated Voltage (VAC/VDC) 30
Rated Current per Contact (Max.) (A) 0.2~0.5A
Plating Gold Plating (Au)
Plating Thickness 3μin(0.076μm)
Packaging Rigid Tray with Mylar Film
Insulation Diameter (mm) 1.16
Wire Gauge (AWG) 28~30
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-105-32-S-Q-K-TR has a pitch of 1.27mm and 20 pins. Current availability: 6160. For datasheets and drawings, please contact our technical team or use the form above.
  • Q: Hi, what are the differences between the TOLC-105-32-S-Q-K-TR connector and TOLC-140-32-F-Q-LC in terms of Termination, Insulation Diameter, and Color / Resin?

    Hi, for TOLC-105-32-S-Q-K-TR and TOLC-140-32-F-Q-LC, Termination is the same (Surface Mount (SMD)). The main differences are in Insulation Diameter and Color / Resin: TOLC-105-32-S-Q-K-TR has Insulation Diameter is 1.16, Color / Resin is Blue + Au-plated (15μin); while TOLC-140-32-F-Q-LC has Insulation Diameter is 2.54, Color / Resin is Black. 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-105-32-S-Q-K-TR connector male or female, and which mating connector part numbers can be used with it?

    Hi, the TOLC-105-32-S-Q-K-TR connector is a Male connector. For mating use, this series pairs with SOLC. Recommended mating SOLC part numbers include: SOLC-110-32-S-Q-A, SOLC-110-22-S-Q-K-TR, SOLC-105-02-L-Q, SOLC-105-12-L-Q, SOLC-105-22-S-Q-A, SOLC-105-02-F-Q-A, SOLC-115-32-S-Q-A, SOLC-105-22-L-Q. 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
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