Name: SEAF-20-01-L-04-1-RA-K-TR
Brand: WORLDPO
SKU: SEAF-20-01-L-04-1-RA-K-TR
Price: 106.46 USD
Availability: InStock

Board-to-Board Connectors

SEAF-20-01-L-04-1-RA-K-TR

Mfr. Part No. : WSEAF-220H01L041RAKTR

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

Compatible model for SEAF-20-01-L-04-1-RA-K-TR is WSEAF-220H01L041RAKTR. SEARAY™ SEAF series 1.27mm pitch 4-row connector, 80 pins total. Connector Type: High Density Array, Female, Number of Positions: 80, Pitch: 0.050" (1.27mm), Number of Rows: 4, Mounting Type: Surface Mount, Right Angle, Features: Board Guide, Pick and Place, Contact Finish: Gold, Contact Finish Thickness: 10.0µin (0.25µm), Mated Stacking Heights: -, Height Above Board: 0.311" (7.90mm)

🏷 80 pin connector

Connector Series: WSEAF

Number of Pins: 80

Connector Pitch: 1.27mm

Rows: 4

$110.15 $106.46

In Stock (501)

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

Datasheet Request a Quote

Documentation View all

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

SEAF-20-01-L-04-1-RA-K-TR Datasheet Download PDF

SEAF-20-01-L-04-1-RA-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	SEAF-20-01-L-04-1-RA-K-TR	SEAF-20-01-L-08-2-RA-K-TR	SEAF-20-01-S-04-1-RA-GP-TR	SEAF-20-01-L-08-2-RA-TR
Connector Type	Header	Header	Header	Header
Connector Series	WSEAF	WSEAF	WSEAF	WSEAF
Connector Pitch	1.27mm	1.27mm	1.27mm	1.27mm
Rows	4	8	4	8
Number of Pins	80	160	80	160
Terminal Interface	Surface Mount (SMD)	Surface Mount (SMD)	Surface Mount (SMD)	Surface Mount (SMD)
Orientation	Right-angle	Right-angle	Right-angle	Right-angle
Material / Metal	Other	Other	Other	Other
Color	Black + Ni-plated then Au-plated	Pink	Red	Green + Ni-plated then Au-plated
Rated Voltage (VAC/VDC)	450	240	313	380
Rated Current per Contact (Max.) (A)	10～30A	1～2A	1～2A	5～10A
Plating	Gold Plating (Au)	Gold Plating (Au)	Gold Plating (Au)	Gold Plating (Au)
Plating Thickness	5μin（0.127μm）	15μin（0.381μm）	20μin（0.508μm）	4μin（0.102μm）
Packaging	Rigid Tray with Mylar Film	Tape and Reel	Rigid Tray with Mylar Film	Reel with Cover
Insulation Diameter (mm)	2.39	4.20	3.20	3.75
Wire Gauge (AWG)	18～26	16～22	26～28	13～16
Operating Temperature	Other	Other	Other	Other
Number of Circuits	80	160	80	160

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	WSEAF
Connector Pitch	1.27mm
Rows	4
Number of Pins	80
Terminal Interface	Surface Mount (SMD)
Orientation	Right-angle
Material / Metal	Other
Color	Black + Ni-plated then Au-plated
Rated Voltage (VAC/VDC)	450
Rated Current per Contact (Max.) (A)	10～30A
Plating	Gold Plating (Au)
Plating Thickness	5μin（0.127μm）
Packaging	Rigid Tray with Mylar Film
Insulation Diameter (mm)	2.39
Wire Gauge (AWG)	18～26
Operating Temperature	Other
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 WSEAF series part SEAF-20-01-L-04-1-RA-K-TR has a pitch of 1.27mm and 80 pins. Current availability: 501. For datasheets and drawings, please contact our technical team or use the form above.
Q: Hi, what are the differences between the SEAF-20-01-L-04-1-RA-K-TR connector and SEAF-15-05.0-L-04-2-A in terms of Type, Wire Gauge (AWG), and Termination?

Hi, for SEAF-20-01-L-04-1-RA-K-TR and SEAF-15-05.0-L-04-2-A, Termination is the same (Surface Mount (SMD)). The main differences are in Type and Wire Gauge (AWG): SEAF-20-01-L-04-1-RA-K-TR has Type is Header, Wire Gauge (AWG) is 18～26; while SEAF-15-05.0-L-04-2-A has Type is Terminal, Wire Gauge (AWG) is 13～16. Choose based on termination process and material requirements. Contact online support for a deeper parameter comparison.

Asked: 2026-09-29 05:30:58 Answered: 2026-09-29 05:30:58
Q: Hi, is the SEAF-20-01-L-04-1-RA-K-TR connector male or female, and which mating connector part numbers can be used with it?

Hi, the SEAF-20-01-L-04-1-RA-K-TR connector is a Female connector. For mating use, this series pairs with SEAM. Recommended mating SEAM part numbers include: SEAM-20-01-L-04-2-A-A-K, SEAM-20-01-L-08-2-A-GP-K-TR, SEAM-20-01-L-10-2-RA-K-TR, SEAM-20-01-L-06-2-A-GP-K-TR, SEAM-20-01-L-06-2-RA-K-TR, SEAM-20-01-L-04-2-A-A, SEAM-20-03.0-L-10-2-RA-A-K-TR, SEAM-20-03.0-L-06-2-RA-K-TR. You can search these part numbers on this site for full specs and availability.

Asked: 2026-09-29 05:30:57 Answered: 2026-09-29 05:30:57