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QFS-026-04.25-L-D-A The QFS-026-04.25-L-D-A is a .635mm pitch 52-position ground plane receptacle from Samtec. It features gold contacts, surface mount mounting, and ratings of 300VAC and 2.6A per pin.
Mfr Part #:

QFS-026-04.25-L-D-A

Available from 1 distributors
Mfr Name: Samtec Inc.
Samtec Inc.
The QFS-026-04.25-L-D-A is a .635mm pitch 52-position ground plane receptacle from Samtec. It features gold contacts, surface mount mounting, and ratings of 300VAC and 2.6A per pin.
✓ Total Stock: 2 pcs
$ Price Range: $6.83 - $11.30

QFS-026-04.25-L-D-A Available from 1 distributor

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✓ Non-Authorised
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2 pcs
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QFS-026-04.25-L-D-A Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Connector Type
Contact Finish
Contact Finish Thickness
Contact Material
Current Rating (Nominal @ 1 ground plane powered)
Current Rating (Nominal @ 2 Pins Powered)
Features
Halogen Free
Height Above Board
Insulator Material
Lead Style
Lead-Free Solderable
Mated Stacking Heights
Mounting Type
Number of Positions
Number of Rows
Operating Temperature Range
Packaging Type
Pitch
Plating Option
Standard Package Quantity
Tape & Reel
Type
Voltage Rating
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QFS-026-04.25-L-D-A Description

Short technical summary and product information.

The QFS-026-04.25-L-D-A is a high-speed ground plane receptacle from Samtec, part of the QFS-PC series. It features 52 positions arranged in 2 rows with a 0.64mm (0.025") pitch, suitable for dense board-to-board connections. The connector is surface mount and includes a board guide and ground bus plane for improved signal integrity and alignment.

 

Electrical ratings include 2.6A per pin (contact) and 15.7A per ground plane, with a voltage rating of 300VAC. The operating temperature range is -55°C to +125°C. Mated stacking heights of 10mm, 11mm, and 14mm are supported, depending on the QFS lead style. Contacts are phosphor bronze with 10 µ" gold plating, and tails are matte tin. The insulator is liquid crystal polymer.

 

Packaged in trays of 52 parts, the connector is lead-free solderable. Compliance with RoHS, REACH, and MSL level 1 is listed but unverified; the datasheet confirms lead-free capability. This connector is designed for applications requiring high-speed data transmission and reliable grounding.

QFS-026-04.25-L-D-A Quick Information

Product Type: Receptacle
Series: QFS
Canonical Name: Samtec QFS-026-04.25-L-D-A Receptacle, 52 Positions, 0.64mm Pitch, SMD, Gold
Subcategory: Mezzanine Connector

QFS-026-04.25-L-D-A Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: Lead-Free Solderable: Yes

QFS-026-04.25-L-D-A Estimated Pricing

Qty Low High
1+ $11.30 $11.30
10+ $11.24 $11.24
52+ $9.65 $9.65
104+ $8.19 $8.19
1,040+ $6.83 $6.83

Estimated market price range - modelled values for guidance only, not live distributor offers.

QFS-026-04.25-L-D-A Features

  • 0.635mm pitch for high-density designs.
  • Gold plated contacts for reliable connectivity.
  • Integrated ground plane for improved signal integrity.
  • Board guide aids alignment during assembly.
  • Surface mount compatible with reflow soldering.

QFS-026-04.25-L-D-A Applications

  • Ideal for high-speed board-to-board connections.
  • Suitable for mezzanine card stacking applications.
  • Used in data communication equipment.
  • Applicable for industrial control systems.
  • Designed for compact electronic assemblies.

QFS-026-04.25-L-D-A FAQs

7 frequently asked questions generated from this part’s specifications.
How many positions does the QFS-026-04.25-L-D-A have?

52 positions.

What is the pitch of this connector?

0.64mm (0.025").

What is the current rating of the QFS-026-04.25-L-D-A?

2.6A per pin (contact) and 15.7A per ground plane.

What is the voltage rating of this connector?

300 VAC.

What is the mounting type of the QFS-026-04.25-L-D-A?

Surface mount.

What is the operating temperature range?

-55°C to +125°C.

Is the QFS-026-04.25-L-D-A lead-free solderable?

Yes, it is lead-free solderable as confirmed by the datasheet.

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