SQT-139-03-S-D SAMTEC Connector (Other) In Stock

SQT-139-03-S-D from SAMTEC is a connector for board-to-board interconnects and equipment wiring. Key specs include 78 pins, standard connector package, and 78 Position, Cost Effective Rugged PCB Sockets, 2. From quote pricing, in-stock sourcing support.

ACTIVEConnectorVerified Jun 2026
Package / Visual Reference
SQT-139-03-S-DOther
Quick Facts
Manufacturer
SAMTEC
Package
Other
Pin Count
78
Lifecycle
ACTIVE
Category
Connector
RoHS
Compliant
Lead Time
3–7 business days
Shipping
DHL Express · Worldwide

Key Features

  • 78-pin configuration for connector selection and BOM matching
  • standard connector package supports practical assembly planning for SQT-139-03-S-D
  • SAMTEC sourcing profile suits board-to-board interconnects with traceable part-number review

Applications

SQT-139-03-S-D is used in board-to-board interconnects and equipment wiring where engineers need a reliable connector with 78 pins. It fits procurement workflows that compare package, lifecycle, compliance, and availability before committing the part to production builds.

Compliance & Regulatory

RoHS StatusCompliant
Lead-FreeYes (Pb-Free)

Datasheet

SQT-139-03-S-D Datasheet Download

Official datasheet from SAMTEC

Alternate & Equivalent Parts

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

Frequently Asked Questions

How should buyers evaluate SQT-139-03-S-D for 78-pin connector designs?

Buyers should confirm 78 pins, standard connector package, and the target board or equipment constraints before approving SQT-139-03-S-D for production use.

Which board-to-board interconnects and equipment wiring assemblies benefit from this 78-pin SAMTEC part?

It fits board-to-board interconnects and equipment wiring when the design needs 78 pins and a connector that can be matched to the documented footprint, mating interface, or electrical role.

What procurement checks matter before ordering the 78-pin option of SQT-139-03-S-D?

Procurement should verify the exact suffix, 78 pins, standard operating qualification, lifecycle status, available stock, and worldwide shipping path before placing a production order.

Why Buy from FindMyChip

Authorized Source
Verified supply chain with full traceability & inspection
$
Competitive Pricing
Factory-direct from China distributors, low MOQ
Fast Shipping
DHL Express 3–5 days · FedEx/UPS 5–7 days worldwide
Quality Guaranteed
30-day replacement for defective parts, no questions asked

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