Name: SEAF-20-05.0-S-04-1-A-K-TR
Brand: WORLDPO
SKU: SEAF-20-05.0-S-04-1-A-K-TR
Price: 9.97 USD
Availability: InStock

Board-to-Board Connectors

SEAF-20-05.0-S-04-1-A-K-TR

Mfr. Part No. : WSEAF-220H05.0S041AKTR

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

Compatible model for SEAF-20-05.0-S-04-1-A-K-TR is WSEAF-220H05.0S041AKTR. 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, Features: Board Guide, Pick and Place, Contact Finish: Gold, Contact Finish Thickness: 30.0µin (0.76µm), Mated Stacking Heights: 7mm, 8mm, 8.5mm, 11.5mm, 12mm, 14mm, 16mm, 18mm, Height Above Board: 0.199" (5.05mm)

🏷 80 pin connector

Connector Series: WSEAF

Number of Pins: 80

Connector Pitch: 1.27mm

Rows: 4

$13.63 $9.97

In Stock (3106)

Typical lead time: contact for quote Packaging: Tray with Cover

Datasheet Request a Quote

Documentation View all

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

SEAF-20-05.0-S-04-1-A-K-TR Datasheet Download PDF

SEAF-20-05.0-S-04-1-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	SEAF-20-05.0-S-04-1-A-K-TR	SEAF-20-05.0-L-08-2-A-K-TR	SEAF-20-05.0-S-10-2-A-K-TR	SEAF-20-05.0-S-06-2-A-K-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	10	6
Number of Pins	80	160	200	120
Terminal Interface	Surface Mount (SMD)	Surface Mount (SMD)	Surface Mount (SMD)	Surface Mount (SMD)
Orientation	Vertical	Vertical	Vertical	Vertical
Material / Metal	Other	Other	Other	Other
Color	Yellow + Ni-plated then Sn-plated	Orange + Au-plated (30μin)	Red + Ni-plated then Sn-plated	Red + Au-plated (5μin)
Rated Voltage (VAC/VDC)	32	300	600	150
Rated Current per Contact (Max.) (A)	10～30A	3～5A	2～3A	30～50A
Plating	Gold Plating (Au)	Gold Plating (Au)	Gold Plating (Au)	Gold Plating (Au)
Plating Thickness	100μin（2.54μm）	1μin（0.025μm）	20μin（0.508μm）	100μin（2.54μm）
Packaging	Tray with Cover	Rigid Tray with Cover	Multi-Layer Reel	Bag
Insulation Diameter (mm)	1.57	2.95	1.20～1.55	0.98
Wire Gauge (AWG)	22～30	26	13	28
Operating Temperature	Other	Other	Other	Other
Number of Circuits	80	160	200	120

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	Vertical
Material / Metal	Other
Color	Yellow + Ni-plated then Sn-plated
Rated Voltage (VAC/VDC)	32
Rated Current per Contact (Max.) (A)	10～30A
Plating	Gold Plating (Au)
Plating Thickness	100μin（2.54μm）
Packaging	Tray with Cover
Insulation Diameter (mm)	1.57
Wire Gauge (AWG)	22～30
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-20-05.0-S-04-1-A-K-TR has a pitch of 1.27mm and 80 pins. Current availability: 3106. For datasheets and drawings, please contact our technical team or use the form above.
Q: Hi, what are the differences between the SEAF-20-05.0-S-04-1-A-K-TR connector and SEAM-40-03.5-S-10-2-A in terms of Insulation Diameter, Orientation, and Color / Resin?

Hi, for SEAF-20-05.0-S-04-1-A-K-TR and SEAM-40-03.5-S-10-2-A, Orientation is the same (Vertical). The main differences are in Insulation Diameter and Color / Resin: SEAF-20-05.0-S-04-1-A-K-TR has Insulation Diameter is 1.57, Color / Resin is Yellow + Ni-plated then Sn-plated; while SEAM-40-03.5-S-10-2-A has Insulation Diameter is 3.70, Color / Resin is Black. Choose based on termination process and material requirements. Contact online support for a deeper parameter comparison.

Asked: 2026-08-25 09:36:30 Answered: 2026-08-25 09:36:30
Q: Hi, is the SEAF-20-05.0-S-04-1-A-K-TR connector male or female, and which mating connector part numbers can be used with it?

Hi, the SEAF-20-05.0-S-04-1-A-K-TR connector is a Female connector. For mating use, this series pairs with SEAM. Recommended mating SEAM part numbers include: SEAM-20-03.0-L-04-2-A-GP-K-TR, SEAM-20-01-L-06-2-A-K-TR, SEAM-20-02.0-L-08-2-RA-A, SEAM-20-02.0-L-10-2-RA-GP-K-TR, SEAM-20-03.0-L-08-2-RA-K-TR, SEAM-20-01-L-06-2-A-A, SEAM-20-01-L-06-2-RA-A-K, SEAM-20-01-L-08-2-A-GP-K-TR. You can search these part numbers on this site for full specs and availability.

Asked: 2026-08-25 09:36:17 Answered: 2026-08-25 09:36:17