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Home > Products > Connectors, Interconnects > Rectangular Connectors - Headers, Male Pins > MTSW-140-10-S-T-430-RA
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MTSW-140-10-S-T-430-RA

Manufacturer Part Number:
MTSW-140-10-S-T-430-RA
Manufacturer / Brand
Samtec Inc.
Part of Description:
CONN HEADER R/A 120POS 2.54MM
Datasheets:
MTSW-140-10-S-T-430-RA(1).pdfMTSW-140-10-S-T-430-RA(2).pdf
Lead Free Status / RoHS Status:
ROHS3 Compliant
Stock Condition:
New original, 32410 pcs Stock Available.
ECAD Model:
Ship From:
Hong Kong
Shipment Way:
DHL/Fedex/TNT/UPS

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Part Number MTSW-140-10-S-T-430-RA
Manufacturer / Brand Samtec Inc.
Stock Quantity 32410 pcs Stock
Category Connectors, Interconnects > Rectangular Connectors - Headers, Male Pins
Description CONN HEADER R/A 120POS 2.54MM
Lead Free Status / RoHS Status: ROHS3 Compliant
Voltage Rating -
Termination Solder
Style Board to Board or Cable
Shrouding Unshrouded
Series Flex Stack, MTSW
Row Spacing - Mating 0.100" (2.54mm)
Pitch - Mating 0.100" (2.54mm)
Package Bulk
Overall Contact Length -
Operating Temperature -55°C ~ 125°C
Number of Rows 3
Number of Positions Loaded All
Number of Positions 120
Mounting Type Through Hole, Right Angle
Material Flammability Rating UL94 V-0
Mated Stacking Heights -
Insulation Material Polyester, Glass Filled
Insulation Height 0.319" (8.10mm)
Insulation Color Black
Ingress Protection -
Features -
Fastening Type Push-Pull
Current Rating (Amps) 3A
Contact Type Male Pin
Contact Shape Square
Contact Material Phosphor Bronze
Contact Length - Post 0.090" (2.29mm)
Contact Length - Mating 0.430" (10.92mm)
Contact Finish Thickness - Post -
Contact Finish Thickness - Mating 30.0µin (0.76µm)
Contact Finish - Post Tin
Contact Finish - Mating Gold
Connector Type Header, Cuttable
Base Product Number MTSW-140
Applications -

Packaging & ESD

Industry-standard static shielding packaging is used for electronic components.Anti-static, light-transparent materials allow easy identification of ICs and PCB assemblies.
The packaging structure provides electrostatic protection based on Faraday cage principles.This helps protect sensitive components from static discharge during handling and transportation.


All products are packed in ESD-safe anti-static packaging. Outer packaging labels include part number, brand, and quantity for clear identification. Goods are inspected prior to shipment to ensure proper condition and authenticity.

ESD protection is maintained throughout packing, handling, and global transportation. Secure packaging provides reliable sealing and resistance during transit. Additional cushioning materials are applied when required to protect sensitive components.

QC(Part Testing by IC Components)Quality Warranty

We can offer worldwide express delivery service, such as DHLor FedEx or TNT or UPS or other forwarder for shipment.

Global Shipment by DHL/FedEx/TNT/UPS

Shipping Fees reference DHL/FedEx
1). You can offer your express delivery account for shipment, ifyou haven’t any express account for shipment, we can offer our account inadvance.
2). Use our account for shipment, Shipment charges(Reference DHL/FedEx, Different Countries has different price.)
Shipment charges： (Reference DHL and FedEX)
Weight(KG): 0.00kg-1.00kg Price(USD$) : USD$60.00
Weight(KG): 1.00kg-2.00kg Price(USD$) : USD$80.00
* The price of cost is reference with DHL/FedEx. The detail charges, please contact us. Different country the express charges are different.



We accept the payment terms: Telegraphic Transfer(T/T), Credit Card, PayPal and Western Union.

PayPal:

PayPal Bank Information:
Company Name : IC COMPONENTS LTD
Paypal ID: Info@IC-Components.com

BANK TRANSFAR (Telegraphic Transfer)

Payment For Telegraphic Transfers:
Company Name : IC COMPONENTS LTD Beneficiary Account Number : 549-100669-701
Beneficiary Bank name : Bank of Communications (Hong Kong) Ltd Beneficiary Bank Code : 382 (for local payment)
Beneficiary Bank SWIFT : COMMHKHK
Beneficiary Bank Address : Tsuen Wan Market Street Branch 53 Market Street, Tsuen Wan N.T., Hong Kong

Any inquires or questions, please kindly contact us Email: Info@IC-Components.com


Frequently Asked Questions

How should I verify that MTSW-140-10-S-T-430-RA is suitable for a board-to-board stack where connector height is already tight?
For MTSW-140-10-S-T-430-RA, confirm the 0.320" (8.13mm) insulation height and the 0.430" (10.92mm) mating contact length against your real stack-up, including PCB thickness, coplanarity, and any keep-out around adjacent parts. In practice, the right-angle through-hole geometry can shift the effective envelope compared with a straight header, so the mechanical drawing should be checked against both the mated height and the board edge clearance before release.
Can MTSW-140-10-S-T-430-RA be used as a cable interface, or is it better suited to board-to-board connections?
MTSW-140-10-S-T-430-RA is listed for board-to-board or cable use, but its unshrouded male-pin format is usually easier to integrate when the mating side is controlled and keyed by the system design. For cable attachment, confirm strain relief, mating retention, and harness routing carefully, because the push-pull style retention does not replace a proper cable-management design.
What should I check if I want to replace another 2.54 mm header with MTSW-140-10-S-T-430-RA?
When evaluating MTSW-140-10-S-T-430-RA as a replacement, compare row count, loaded positions, right-angle versus vertical orientation, and mating depth rather than only pitch. A 120-position, 3-row connector can fit the same pitch family but still fail mechanically if the original part used a different tail length, shroud, or stack height. The pin finish and post plating also matter if the legacy design depends on solderability or long-term corrosion behavior.
Is MTSW-140-10-S-T-430-RA appropriate for industrial equipment that runs in high temperature environments?
MTSW-140-10-S-T-430-RA is rated for -55°C to 125°C, so it fits many industrial thermal ranges if the surrounding assembly is also qualified for that temperature. For long-term use, verify that the PCB laminate, solder joints, and adjacent plastics tolerate the same thermal profile, because the connector may be compliant while the assembly-level interconnect is not.
How do I decide whether the 3A current rating of MTSW-140-10-S-T-430-RA is enough for my design?
For MTSW-140-10-S-T-430-RA, treat the 3A rating as a per-contact guide under controlled conditions, then derate for ambient temperature, bundled conductors, density, and the number of adjacent energized pins. If the connector carries power rails, it is common to parallel multiple contacts per rail or move higher-current paths to a dedicated power connector while keeping MTSW-140-10-S-T-430-RA for signals.
What are the practical risks of using the unshrouded MTSW-140-10-S-T-430-RA in a field-serviceable product?
The unshrouded construction of MTSW-140-10-S-T-430-RA makes insertion straightforward, but it also leaves the contacts exposed during handling and assembly. In field-serviceable systems, that means you should consider alignment features, enclosure access, and operator error risk, especially if the connector can be probed, bent, or partially mated during maintenance.
Can MTSW-140-10-S-T-430-RA work in a design that uses mixed-voltage signals or only low-level logic?
MTSW-140-10-S-T-430-RA can be used for mixed-voltage signal interconnects if the system-level spacing, insulation requirements, and pin assignment are engineered correctly. Because the part listing does not specify a working voltage, the conservative approach is to validate creepage, clearance, and any transient stress from the application rather than assuming the connector itself sets the system voltage limit.
What should I consider when migrating from a similar Samtec MTSW part to MTSW-140-10-S-T-430-RA?
When migrating to MTSW-140-10-S-T-430-RA, check whether the former part had a different contact tail, plating thickness, or stack orientation within the MTSW family. Even small suffix differences can change assembly height, solder process behavior, or mating compatibility, so the safest path is to compare the full mechanical drawing and not just the base product number.
Is MTSW-140-10-S-T-430-RA a good choice if I need high mating-cycle durability?
MTSW-140-10-S-T-430-RA uses gold mating finish over phosphor bronze contacts, which is a common choice for stable contact resistance in repeated mating. For high-cycle use, the actual durability depends on wipe length, alignment accuracy, contamination, and whether the connector is being mated under side load, so the system mechanics usually determine service life as much as the finish does.
How should I handle PCB layout around MTSW-140-10-S-T-430-RA to avoid assembly problems?
For MTSW-140-10-S-T-430-RA, reserve enough through-hole land area for the 3-row 2.54 mm pattern and keep adjacent copper and components clear of the right-angle body swing and solder access. It is also worth checking wave solder or selective solder clearance, because the post length and board-edge placement can affect fixture access and solder fillet consistency.
Can MTSW-140-10-S-T-430-RA be used in a design that needs polarization or keying?
MTSW-140-10-S-T-430-RA is unshrouded, so it does not provide built-in keying or polarization. If the system needs to prevent mis-mating, add polarization in the enclosure, use pin-order asymmetry where acceptable, or select a keyed connector family instead of relying on operator discipline.
What should I compare if I am choosing between MTSW-140-10-S-T-430-RA and a lower-cost generic 2.54 mm header?
With MTSW-140-10-S-T-430-RA, the main comparison points are contact finish quality, tolerance control, right-angle mechanical stability, and mating reliability over time. Generic headers can look equivalent on paper, but differences in plating thickness, coplanarity, and retention force often show up later as intermittent connections, higher insertion variation, or inconsistent soldering during production.

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MTSW-140-10-S-T-430-RA

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