STMM-125-02-S-D-SM-K-TR SAMTEC Connector (Other) In Stock

Name: STMM-125-02-S-D-SM-K-TR
Brand: SAMTEC
SKU: STMM-125-02-S-D-SM-K-TR
Availability: InStock

SAMTEC STMM-125-02-S-D-SM-K-TR is a 50-position dual-row surface mount male connector with 0.050" pitch and square pin contacts. Body measures 2.193" length with tin over nickel barrier termination for reliable reflow soldering. Available from stock with worldwide shipping.

ACTIVEConnectorVerified Jun 2026

Package / Visual Reference

STMM-125-02-S-D-SM-K-TROther

Quick Facts

Manufacturer: SAMTEC
Package: Other
Pin Count: 50
Lifecycle: ACTIVE
Datasheet: STMM-125-02-S-D-SM-K-TR Datasheet PDF
Category: Connector
Price: From $8.4300(MOQ 1)
Temp Range: -55.0°C to 125.0°C
RoHS: Compliant
Lead Time: 3–7 business days
Shipping: DHL Express · Worldwide

What are the key features of STMM-125-02-S-D-SM-K-TR?

50-position dual-row 0.050" pitch surface mount male connector with square pin contacts for high-density PCB signal routing
Tin (Sn) over nickel (Ni) barrier termination finish provides reliable solderability and corrosion protection in reflow assembly processes
Compact 2.193 inch body length at 0.237 inch breadth enables minimal PCB footprint for space-critical embedded and computing boards

What is STMM-125-02-S-D-SM-K-TR used for?

The STMM-125-02-S-D-SM-K-TR is ideal for high-density board-to-board signal interconnects in embedded computing, test and measurement, and FPGA development boards where 50-position 0.050" pitch surface mount connectivity is required. Its compact dual-row SMT format supports automated reflow soldering and tape-and-reel packaging, enabling efficient high-volume PCB assembly in consumer electronics and industrial control applications.

What are the specifications of STMM-125-02-S-D-SM-K-TR?

Factory Lead Time	3Weeks
YTEOL	8.4
Body Breadth	0.237inch
Body Depth	0.24inch
Body Length	2.193inch
Connector Type	BOARD CONNECTOR
Contact Finish Termination	Tin (Sn) - with Nickel (Ni) barrier
Contact Gender	MALE
Contact Pattern	RECTANGULAR
Contact Style	SQ PIN-SKT
DIN Conformance	NO
Filter Feature	NO
IEC Conformance	NO
Insulator Color	BLACK
Insulator Material	LIQUID CRYSTAL POLYMER
JESD-609 Code	e3
MIL Conformance	NO
Mating Contact Pitch	0.078inch
Mating Contact Row Spacing	0.078inch
Mating Information	MULTIPLE MATING PARTS AVAILABLE
Mixed Contacts	NO
Mounting Style	STRAIGHT
Mounting Type	BOARD
Number Of Connectors	ONE
Number Of PCB Rows	2
Number of Rows Loaded	2
Option	GENERAL PURPOSE
PCB Contact Row Spacing	4.66mm
Plating Thickness	30u inch
Rated Current (Signal)	3A
Terminal Pitch	2mm
Termination Type	SURFACE MOUNT
Total Number of Contacts	50
UL Flammability Code	94V-0
Package	Other

Compliance & Regulatory

RoHS Status	Compliant
Lead-Free	Yes (Pb-Free)
ECCN	EAR99
HTS Code	8536.69.40.40
Country of Origin	France, Malaysia

Where can I find the STMM-125-02-S-D-SM-K-TR datasheet?

STMM-125-02-S-D-SM-K-TR Datasheet Download

Official datasheet from SAMTEC

What are equivalent replacements for STMM-125-02-S-D-SM-K-TR?

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

Frequently Asked Questions

What are the position count, pitch, and body dimensions of STMM-125-02-S-D-SM-K-TR?

The STMM-125-02-S-D-SM-K-TR has 50 positions in a dual-row configuration at 0.050" (1.27 mm) pitch, with a body length of 2.193 inches, breadth of 0.237 inch, and depth of 0.24 inch, making it one of the more compact 50-pin surface mount connectors available for high-density PCB designs.

How does the tape-and-reel packaging (TR) of STMM-125-02-S-D-SM-K-TR benefit high-volume PCB assembly?

The tape-and-reel (TR) suffix on STMM-125-02-S-D-SM-K-TR indicates the connector is supplied in carrier tape compatible with automated pick-and-place machines, enabling efficient high-volume SMT assembly of the 50-position 0.050" pitch dual-row connector without manual handling, reducing placement errors and assembly cycle times.

For which signal interface applications is the STMM-125-02-S-D-SM-K-TR dual-row connector most appropriate?

The STMM-125-02-S-D-SM-K-TR is well-suited for FPGA mezzanine card interfaces, memory module test fixtures, high-density backplane signal routing, and embedded computing daughter card connections where 50 positions at 0.050" pitch and surface mount termination with tin over nickel finish are required.

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AvailabilityIn Stock

Reference Price (USD)

From $8.4300

Buy from 1pc · Factory-direct pricing

Qty.	Unit Price	Ext. Price
1+	$17.0000	$17.00
10+	$14.4440	$144.44
100+	$12.0000	$1200.00
250+	$10.6500	$2662.50
425+	$10.2525	$4357.31
500+	$8.4300	$4215.00

pcs

Unit price: $17.0000 · Total: $17.00

In Stock · 24h Response · Worldwide Shipping

Direct Contact

WhatsApp Inquiry Email RFQ

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.”

Marco Rossi

CTO, AutoDrive Systems, Italy

STMM-125-02-S-D-SM-K-TR SAMTEC Connector (Other) In Stock

What are the key features of STMM-125-02-S-D-SM-K-TR?

What is STMM-125-02-S-D-SM-K-TR used for?

What are the specifications of STMM-125-02-S-D-SM-K-TR?

Compliance & Regulatory

Where can I find the STMM-125-02-S-D-SM-K-TR datasheet?

What are equivalent replacements for STMM-125-02-S-D-SM-K-TR?

Frequently Asked Questions

What are the position count, pitch, and body dimensions of STMM-125-02-S-D-SM-K-TR?

How does the tape-and-reel packaging (TR) of STMM-125-02-S-D-SM-K-TR benefit high-volume PCB assembly?

For which signal interface applications is the STMM-125-02-S-D-SM-K-TR dual-row connector most appropriate?

Related Guides

CSD87313DMS Synchronous Buck Power Stage Design Guide

STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection

C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC

STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security

Why Buy from FindMyChip

About SAMTEC

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