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

Home > Board-to-Board Connectors > SEAF-20-01-S-04-1-RA-K-TR

WSEAF 80-Position 1.27mm Board-to-Board Connectors: Replacement for SAMTEC SEAF-20-01-S-04-1-RA-K-TR

Board-to-Board Connectors
SEAF-20-01-S-04-1-RA-K-TR
Mfr. Part No. : WSEAF-220H01S041RAKTR
Standalone or 100% Samtec-Compatible. Identical Specs. Plug & Play.
Compatible model for SEAF-20-01-S-04-1-RA-K-TR is WSEAF-220H01S041RAKTR. 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: 30.0µin (0.76µm), Mated Stacking Heights: -, Height Above Board: 0.311" (7.90mm)
Connector Series: WSEAF
Number of Pins: 80
Connector Pitch: 1.27mm
Rows: 4
$19.16 $14.8
In Stock (8218)

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

Documentation View all

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

SEAF-20-01-S-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-S-04-1-RA-K-TR SEAF-20-01-L-06-2-RA-LP-TR SEAF-20-01-S-04-2-RA-GP-TR SEAF-20-01-L-06-2-RA-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 6 4 6
Number of Pins 80 120 80 120
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 Light Blue White + Ni-plated then Au-plated Brown Green + Au-plated (30μin)
Rated Voltage (VAC/VDC) 1400 313 150 25
Rated Current per Contact (Max.) (A) 10~30A 3~5A 0.2~0.5A 30~50A
Plating Gold Plating (Au) Gold Plating (Au) Gold Plating (Au) Gold Plating (Au)
Plating Thickness 8μin(0.203μm) 2μin(0.051μm) 10μin(0.254μm) 2μin(0.051μm)
Packaging Reel with Cover Bag Multi-Layer Reel Tray
Insulation Diameter (mm) 1.20 0.90 2.40 4.57
Wire Gauge (AWG) 34 26 10~12 12
Operating Temperature Other Other Other Other
Number of Circuits 80 120 80 120
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 Right-angle
Material / Metal Other
Color Light Blue
Rated Voltage (VAC/VDC) 1400
Rated Current per Contact (Max.) (A) 10~30A
Plating Gold Plating (Au)
Plating Thickness 8μin(0.203μm)
Packaging Reel with Cover
Insulation Diameter (mm) 1.20
Wire Gauge (AWG) 34
Operating Temperature Other
Number of Circuits 80
Product FAQ

Have a Question?

Our technical team typically replies within 1 business day.

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 WSEAF series part SEAF-20-01-S-04-1-RA-K-TR has a pitch of 1.27mm and 80 pins. Current availability: 8218. 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-S-04-1-RA-K-TR connector and SEAM-40-02.0-S-06-2-A in terms of Packaging, Orientation, and Operating Temperature?

    Hi, SEAF-20-01-S-04-1-RA-K-TR and SEAM-40-02.0-S-06-2-A differ in all three parameters — Packaging, Orientation, and Operating Temperature. Specifically, SEAF-20-01-S-04-1-RA-K-TR has Packaging is Reel with Cover, Orientation is Right-angle, Operating Temperature is Other; while SEAM-40-02.0-S-06-2-A has Packaging is Reel, Orientation is Vertical, Operating Temperature is -55℃~125℃. When selecting, compare orientation, termination process, and material needs for your application. For a full side-by-side specification comparison, please contact our online support.
    Asked: 2026-09-29 05:30:58 Answered: 2026-09-29 05:30:58
  • Q: Hi, is the SEAF-20-01-S-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-S-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-06-2-A-K-TR, SEAM-20-03.0-L-06-2-A-A-K, SEAM-20-01-L-04-2-A-A-K-TR, SEAM-20-02.0-L-10-2-RA-GP, SEAM-20-03.0-L-10-2-RA-GP, SEAM-20-01-L-04-2-A-GP-K, SEAM-20-01-L-04-2-A-A-K, SEAM-20-01-L-04-2-RA-GP-K. 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
Product Dimension
Dimension image will be displayed here
WORLDPO customer support
Contact Close