Name: SEAF-50-01-L-04-2-RA-K-TR
Brand: WORLDPO
SKU: SEAF-50-01-L-04-2-RA-K-TR
Price: 21.16 USD
Availability: InStock

Board-to-Board Connectors

SEAF-50-01-L-04-2-RA-K-TR

Mfr. Part No. : WSEAF-250H01L042RAKTR

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

Compatible model for SEAF-50-01-L-04-2-RA-K-TR is WSEAF-250H01L042RAKTR. SEARAY™ SEAF series 1.27mm pitch 4-row connector, 200 pins total. Connector Type: High Density Array, Female, Number of Positions: 200, 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)

🏷 200 pin connector

Connector Series: WSEAF

Number of Pins: 200

Connector Pitch: 1.27mm

Rows: 4

$24.23 $21.16

In Stock (8237)

Typical lead time: contact for quote Packaging: Tray

Datasheet Request a Quote

Documentation View all

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

SEAF-50-01-L-04-2-RA-K-TR Datasheet Download PDF

SEAF-50-01-L-04-2-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-50-01-L-04-2-RA-K-TR	SEAF-50-01-L-06-2-RA-GP-TR	SEAF-50-01-S-08-2-RA-K-TR	SEAF-50-01-S-10-2-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	8	10
Number of Pins	200	300	400	500
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	Orange + Ni-plated then Au-plated	Natural + Au-plated (15μin)	Blue + Ni-plated then Sn-plated	Red + Au-plated (10μin)
Rated Voltage (VAC/VDC)	450	150	32	30
Rated Current per Contact (Max.) (A)	10～30A	2～3A	0.2～0.5A	5～10A
Plating	Gold Plating (Au)	Gold Plating (Au)	Gold Plating (Au)	Gold Plating (Au)
Plating Thickness	Phosphor Bronze - Selective Gold/Tin Plating (Au/Sn) - 5μin (0.127μm)	80in（2.03μm）	Phosphor Bronze - Selective Gold/Tin Plating (Au/Sn) - 5μin (0.127μm)	3μin（0.076μm）
Packaging	Tray	Rigid Tray with Cover	Tube	Reel
Insulation Diameter (mm)	1.78	1.90	1.63	3.00
Wire Gauge (AWG)	12	26～32	22	14～16
Operating Temperature	Other	Other	Other	Other
Number of Circuits	200	300	400	500

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	200
Terminal Interface	Surface Mount (SMD)
Orientation	Right-angle
Material / Metal	Other
Color	Orange + Ni-plated then Au-plated
Rated Voltage (VAC/VDC)	450
Rated Current per Contact (Max.) (A)	10～30A
Plating	Gold Plating (Au)
Plating Thickness	Phosphor Bronze - Selective Gold/Tin Plating (Au/Sn) - 5μin (0.127μm)
Packaging	Tray
Insulation Diameter (mm)	1.78
Wire Gauge (AWG)	12
Operating Temperature	Other
Number of Circuits	200

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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-50-01-L-04-2-RA-K-TR has a pitch of 1.27mm and 200 pins. Current availability: 8237. For datasheets and drawings, please contact our technical team or use the form above.
Q: Hi, what are the differences between the SEAF-50-01-L-04-2-RA-K-TR connector and SEAM-20-03.5-L-08-2-A in terms of Rows, Orientation, and Current (Max)?

Hi, SEAF-50-01-L-04-2-RA-K-TR and SEAM-20-03.5-L-08-2-A differ in all three parameters — Rows, Orientation, and Current (Max). Specifically, SEAF-50-01-L-04-2-RA-K-TR has Rows is 4, Orientation is Right-angle, Current (Max) is 10～30A; while SEAM-20-03.5-L-08-2-A has Rows is 8, Orientation is Other, Current (Max) is Other. 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: 2026-09-25 05:30:51 Answered: 2026-09-25 05:30:51
Q: Hi, is the SEAF-50-01-L-04-2-RA-K-TR connector male or female, and which mating connector part numbers can be used with it?

Hi, the SEAF-50-01-L-04-2-RA-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-06-2-A-A-K, SEAM-20-01-L-04-2-A-K, SEAM-20-03.0-L-10-2-RA-K, SEAM-20-01-L-04-2-A-GP-K, SEAM-20-01-L-08-2-A-K, SEAM-20-03.0-L-04-2-RA-GP, SEAM-20-03.0-L-04-2-RA-K, SEAM-20-02.0-L-10-2-RA-A-K-TR. You can search these part numbers on this site for full specs and availability.

Asked: 2026-09-25 05:30:50 Answered: 2026-09-25 05:30:50