SQT-128-03-SM-D SAMTEC Connector (Other) In Stock

SAMTEC SQT-128-03-SM-D is a SEARAY high-speed board-to-board array connector. It provides 56 positions on a .050 in pitch open-pin-field terminal. From inquiry pricing, request current stock for worldwide shipping.

ACTIVEConnectorVerified Jun 2026
Package / Visual Reference
SQT-128-03-SM-DOther
Quick Facts
Manufacturer
SAMTEC
Package
Other
Pin Count
56
Lifecycle
ACTIVE
Category
Connector
RoHS
Compliant
Lead Time
3–7 business days
Shipping
DHL Express · Worldwide

What are the key features of SQT-128-03-SM-D?

  • 56-position SEARAY open-pin-field array terminal for dense board-to-board interconnects
  • .050 in pitch contact layout supports compact high-speed mezzanine and stacking designs
  • production ordering configuration supports production purchasing and automated assembly planning
  • SAMTEC connector family with datasheet-backed SEAM mechanical configuration

What is SQT-128-03-SM-D used for?

This connector is used in compact mezzanine, communications, test, and embedded control boards that need dense board-to-board signal routing. It fits production builds where 56 positions, a .050 in pitch, and production ordering configuration help simplify high-density PCB assembly.

Compliance & Regulatory

RoHS StatusCompliant
Lead-FreeYes (Pb-Free)

Where can I find the SQT-128-03-SM-D datasheet?

SQT-128-03-SM-D Datasheet Download

Official datasheet from SAMTEC

What are equivalent replacements for SQT-128-03-SM-D?

No known alternates. Submit an RFQ and our team can suggest alternatives.

Frequently Asked Questions

How should designers account for the contact layout of SQT-128-03-SM-D?

SQT-128-03-SM-D provides 56 contacts in its specified connector layout. Preserve the manufacturer land pattern, row spacing, orientation, and mechanical clearances when creating the PCB footprint.

Which compatibility checks matter before mating SQT-128-03-SM-D?

Before mating SQT-128-03-SM-D, confirm that the counterpart supports all 56 contacts, then verify stack height, polarization, keying, plating, and insertion constraints against both drawings.

Where can SQT-128-03-SM-D fit within an electronic assembly?

This 56-contact configuration suits dense board-to-board links in control, instrumentation, or communications assemblies where repeatable module installation and service access are required.

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About SAMTEC

SAMTEC is a leading electronic component manufacturer. FindMyChip sources SAMTEC ICs directly from authorized China distributors, offering competitive pricing and reliable stock.

AvailabilityIn Stock
Reference Price (USD)
Contact for Price
Buy from 1pc · Factory-direct pricing
pcs

In Stock · 24h Response · Worldwide Shipping

Lead Time3-7 business days
MOQFrom 1 piece
ShippingDHL / FedEx / UPS
OriginChina (Authorized)

Response within 24 hours · Worldwide shipping

Their engineering team helped us find a pin-compatible alternative when our original MCU went EOL.

MR
Marco Rossi
CTO, AutoDrive Systems, Italy