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HomeProductsConnectors, InterconnectsRectangular Connectors - Headers, Male PinsMTMM-116-04-F-S-150
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MTMM-116-04-F-S-150 - Samtec Inc.

Manufacturer Part Number
MTMM-116-04-F-S-150
Manufacturer
Samtec, Inc.
Allelco Part Number
98D-MTMM-116-04-F-S-150
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
28,997 pcs available, New & Original
Parts Description
2MM TERMINAL STRIP
Package
Bulk
Data sheet
-
RoHs Status
ROHS3 Compliant
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Our certification
In stock: 28997

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Specifications

MTMM-116-04-F-S-150 Tech Specifications
Samtec Inc. - MTMM-116-04-F-S-150 technical specifications, attributes, parameters and parts with similar specifications to Samtec Inc. - MTMM-116-04-F-S-150

Product Attribute Attribute Value
Manufacturer Samtec, Inc.
Voltage Rating -
Termination Solder
Style Board to Board or Cable
Shrouding Unshrouded
Series MTMM
Row Spacing - Mating -
Pitch - Mating 0.079" (2.00mm)
Package Bulk
Overall Contact Length 0.323" (8.20mm)
Operating Temperature -55°C ~ 125°C
Number of Rows 1
Number of Positions Loaded All
Number of Positions 16
Mounting Type Through Hole
Material Flammability Rating UL94 V-0
Mated Stacking Heights -
Insulation Material Liquid Crystal Polymer (LCP)
Product Attribute Attribute Value
Insulation Height 0.059" (1.50mm)
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 - Mating 0.150" (3.81mm)
Contact Finish Thickness - Post -
Contact Finish Thickness - Mating 3.00µin (0.076µm)
Contact Finish - Post Tin
Contact Finish - Mating Gold
Connector Type Header, Cuttable
Base Product Number MTMM-116
Applications -

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
ECCN EAR99
HTSUS 8536.69.4040

Frequently Asked Questions(FAQ)

What are the key differences between the MTMM-116-04-F-S-150 and its substitute M22-2521646 connector for 2mm pitch applications?
The MTMM-116-04-F-S-150 is a Samtec cuttable header with 16 positions at 2.00mm pitch, featuring gold-plated mating contacts (3.00µin thickness) and tin-plated posts. The M22-2521646 substitute offers similar 2mm pitch spacing but may differ in contact finish specifications, post length (0.114" for MTMM-116-04-F-S-150), and insulation material composition. The MTMM-116-04-F-S-150's phosphor bronze contacts with LCP insulation provide stable performance across the -55°C to 125°C operating range, making it suitable when consistent contact resistance and thermal stability are design requirements. Verify contact plating thickness and post dimensions against your application's mating force and PCB layout constraints before substitution.
Is the MTMM-116-04-F-S-150 suitable for applications requiring frequent mating and unmating cycles?
The MTMM-116-04-F-S-150 uses a push-pull fastening mechanism with gold-plated mating contacts (3.00µin) and phosphor bronze base material, which provides moderate durability for repeated connection cycles. The thin gold plating (0.076µm equivalent) offers corrosion resistance but may wear under high-cycle insertion applications (typically >500 cycles). For applications exceeding 1000 mating cycles, consider connectors with thicker gold plating or evaluate whether the MTMM-116-04-F-S-150's contact geometry and retention force align with your mechanical durability requirements. The 3A current rating remains stable through repeated cycles if contact resistance is maintained below design limits.
Why does the MTMM-116-04-F-S-150 specify different contact finishes for mating versus post surfaces?
The MTMM-116-04-F-S-150 uses gold plating (3.00µin) on the 0.150" mating contact surface and tin plating on the 0.114" post to balance signal integrity, solderability, and manufacturing cost. Gold provides superior corrosion resistance and low contact resistance at the mating interface where signal fidelity matters most, while tin on the post surface ensures reliable wave or reflow soldering to PCB pads. This dual-finish design reflects the phosphor bronze substrate's need for different protection strategies in the mating zone versus the solder joint zone. When designing the MTMM-116-04-F-S-150 into your layout, ensure solder joint temperatures stay within tin's thermal limits (typically <240°C peak) to preserve post integrity.
Can the MTMM-116-04-F-S-150 be cut down to fewer than 16 positions for space-constrained designs?
The MTMM-116-04-F-S-150 is marketed as a cuttable header, allowing removal of unused positions along its single row to match specific pinout requirements. However, cutting introduces mechanical stress at the separation point and may compromise insulation material (LCP) integrity if not performed cleanly. After cutting, the remaining MTMM-116-04-F-S-150 segments should be tested for dimensional stability and contact alignment before production deployment. The 2.00mm pitch geometry remains consistent after cutting, so mating connector positioning does not shift. If routine cutting is required for your product family, consider specifying a pre-cut variant or designing dual-row options rather than relying on field modification of the full 16-position MTMM-116-04-F-S-150.
What thermal management considerations apply when operating the MTMM-116-04-F-S-150 at 3A near its maximum temperature rating?
The MTMM-116-04-F-S-150's 3A current rating assumes ambient conditions within its -55°C to 125°C operating range, but sustained current generates I²R heating at the contact and post interfaces. At 3A, contact resistance (typically 10–50mΩ for phosphor bronze gold-plated contacts) dissipates 90–450mW per pin; cumulative heating from multiple loaded positions can elevate local junction temperature above ambient. When operating the MTMM-116-04-F-S-150 near 125°C or at full 3A per position, verify that PCB thermal design includes copper area around the tin-plated posts (0.114" long) to conduct heat away from the LCP insulation. Designs approaching thermal limits should include thermal cycling qualification (-55°C to +125°C per IPC-9701 or equivalent) to confirm the gold plating (0.076µm) and tin finish do not degrade or crack under repeated stress.
How does the MTMM-116-04-F-S-150's LCP insulation material affect PCB layout and wave solder processes?
The MTMM-116-04-F-S-150 uses Liquid Crystal Polymer (LCP) insulation rated UL94 V-0, which offers superior dimensional stability and solvent resistance compared to traditional FR-4 or phenolic materials. LCP maintains insulation height (0.059" or 1.50mm) through reflow and wave soldering without creep, reducing short-circuit risk in high-density layouts. However, LCP has lower thermal conductivity than some alternatives, meaning the MTMM-116-04-F-S-150 concentrates solder heat near the tin-plated posts rather than distributing it through the insulation body. Wave solder parameters should maintain peak temperature <240°C and dwell time <10 seconds to prevent LCP degradation; preheat must ramp gradually to avoid thermal shock. The MSL 1 (unlimited moisture absorption) rating for the MTMM-116-04-F-S-150 eliminates bake-out requirements before assembly.
What electrical isolation and dielectric performance does the MTMM-116-04-F-S-150 provide between adjacent 2mm-pitch positions?
The MTMM-116-04-F-S-150's LCP insulation body maintains 1.50mm (0.059") insulation height between the square contact geometry and adjacent pins, providing baseline creepage distance in a single-row, unshrouded configuration. At the 0.079" (2.00mm) pitch, spacing between pin centerlines leaves approximately 0.921mm edge-to-edge clearance. LCP's dielectric strength typically exceeds 20kV/mm, but the MTMM-116-04-F-S-150 lacks a stated voltage rating, indicating use in low-voltage (signal-level) applications rather than high-voltage isolation. For circuits requiring >100V isolation or creepage compliance with IEC 60950 or medical standards, the unshrouded MTMM-116-04-F-S-150 geometry may require external guards, potting, or conformal coating. Verify isolation requirements against your safety standards before finalizing the MTMM-116-04-F-S-150 in mixed-voltage designs.
Does the MTMM-116-04-F-S-150 meet automotive or industrial reliability requirements without additional qualification?
The MTMM-116-04-F-S-150 holds ROHS3 compliance and UL94 V-0 flammability certification, satisfying basic safety and environmental standards. However, it does not specify automotive (AEC-Q200) or industrial (IEC 61076) qualification, meaning reliability data for these harsh environments is not published. Automotive designs require thermal shock testing (-40°C to +125°C cycling), vibration resistance, and corrosion testing—typically not covered by the MTMM-116-04-F-S-150's standard datasheet. Industrial applications in high-humidity or vibration-intensive settings should include HALT (Highly Accelerated Life Testing) protocols for the MTMM-116-04-F-S-150 before high-volume deployment. If automotive or industrial certification is mandatory, specify connectors with published AEC-Q or equivalent qualification rather than relying on the general-purpose MTMM-116-04-F-S-150.
What is the expected contact resistance stability of the MTMM-116-04-F-S-150 over temperature extremes, and how does it affect signal integrity?
The MTMM-116-04-F-S-150's phosphor bronze contacts with 3.00µin gold plating exhibit contact resistance typically in the 10–50mΩ range at room temperature, with slight increases at temperature extremes (-55°C and +125°C) due to thermal expansion and reduced molecular activity at the contact interface. For high-speed signal applications (>100Mbps), contact resistance variation translates to impedance drift and potential reflections. The unshrouded, single-row geometry of the MTMM-116-04-F-S-150 also means minimal shielding, so ground return paths and trace routing become critical for signal fidelity. Low-frequency or power applications (< 10MHz, DC) tolerate the MTMM-116-04-F-S-150's contact resistance variation, but high-speed designs should conduct time-domain reflectometry (TDR) or eye-diagram testing to confirm the MTMM-116-04-F-S-150 meets transmission line integrity requirements.
How should the MTMM-116-04-F-S-150 be stored and handled to prevent contact degradation before assembly?
The MTMM-116-04-F-S-150's MSL 1 rating and tin-plated posts mean moisture absorption is not a concern, allowing storage at room temperature and humidity without desiccant packing. However, the thin gold plating (0.076µm or 3.00µin) on mating contacts is susceptible to oxidation and tarnishing if exposed to sulfur-bearing gases (common in industrial environments) or corrosive cleaning residues. Store the MTMM-116-04-F-S-150 in sealed bags or trays in clean, dry conditions, and avoid contact with halogenated solvents or acid flux residues. Before mating, inspect the gold surfaces under magnification for discoloration; if tarnish appears, gently wipe contacts with lint-free cloth and isopropyl alcohol. The phosphor bronze substrate can withstand minor handling stress, but the LCP insulation body is brittle—avoid dropping or bending the MTMM-116-04-F-S-150 to prevent insulation cracks that may lead to electrical leakage during operation.
What mounting and via placement strategy optimizes mechanical stability for the MTMM-116-04-F-S-150 through-hole posts on high-vibration PCBs?
The MTMM-116-04-F-S-150's 0.114" (2.90mm) post length and solder termination require via placement within 0.1" of the post pad to maximize mechanical coupling and vibration resistance. Through-hole designs should route multiple ground vias adjacent to the MTMM-116-04-F-S-150 post array to create a low-impedance return path and anchor the connector body to inner layers. On high-vibration platforms (automotive, industrial machinery), adding epoxy underfill or conformal coating around the MTMM-116-04-F-S-150 base further reduces strain on solder joints. The square contact geometry and 2.00mm pitch of the MTMM-116-04-F-S-150 allow 0.015"–0.025" clearance holes without introducing slop; tight mechanical fit minimizes relative motion during vibration transients. Recommend finite-element analysis (FEA) of the MTMM-116-04-F-S-150 assembly when subject to >2G peak acceleration or >10Hz vibration bandwidth.
What are the cost and lead-time trade-offs between the MTMM-116-04-F-S-150 and alternative 2mm-pitch connector families?
The MTMM-116-04-F-S-150 is a standard catalog item from Samtec with typical lead times of 4–8 weeks in small quantities and bulk packaging reducing per-unit cost for volumes >1000 units. Alternative 2mm-pitch connectors (e.g., M22-2521646 substitute) may offer shorter lead times through regional distributors or lower per-unit pricing in high volumes, but often trade away features like the MTMM-116-04-F-S-150's cuttable design or LCP insulation durability. If design flexibility and rapid prototyping are priorities, the MTMM-116-04-F-S-150's cuttable form factor and bulk availability justify the cost premium over semi-custom options. For cost-sensitive, high-volume production (>10k units annually), comparison-source alternative 2mm headers but validate the MTMM-116-04-F-S-150's gold-plating and contact geometry against cheaper variants to confirm performance headroom in your application.

Parts with Similar Specifications

The three parts on the right have similar specifications to Samtec Inc. MTMM-116-04-F-S-150

Product Attribute MTMM-116-04-F-D-150 MTMM-116-04-G-D-150-016 MTMM-116-04-F-D-215 MTMM-116-04-G-D-150
Part Number MTMM-116-04-F-D-150 MTMM-116-04-G-D-150-016 MTMM-116-04-F-D-215 MTMM-116-04-G-D-150
Manufacturer Samtec Inc. Samtec Inc. Samtec Inc. Samtec Inc.
Overall Contact Length - - - -
Contact Finish - Mating - - - -
Current Rating (Amps) - - - -
Contact Shape - - - -
Contact Type - - - -
Number of Rows - - - -
Insulation Height - - - -
Features - - - Simultaneous Sampling
Insulation Material - - - -
Number of Positions Loaded - - - -
Contact Finish - Post - - - -
Contact Finish Thickness - Mating - - - -
Material Flammability Rating - - - -
Style - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Contact Length - Mating - - - -
Shrouding - - - -
Contact Material - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Number of Positions - - - -
Connector Type - - - -
Voltage Rating - - - -
Series - - - -
Mated Stacking Heights - - - -
Insulation Color - - - -
Pitch - Mating - - - -
Fastening Type - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Applications - - - -
Termination - - - -
Ingress Protection - - - -
Row Spacing - Mating - - - -
Contact Finish Thickness - Post - - - -

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Samtec Inc.

MTMM-116-04-F-S-150

Samtec Inc.
98D-MTMM-116-04-F-S-150

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