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Home Products Connectors, Interconnects Rectangular Connectors - Headers, Male Pins~~351-10-145-00-010000~~

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351-10-145-00-010000 - Mill-Max Manufacturing Corp.

Name: Mill-Max Manufacturing Corp. 351-10-145-00-010000
Brand: Mill-Max Manufacturing Corp.
SKU: 351-10-145-00-010000
Price: 20.124 USD
Availability: InStock
Rating: 5 (10 reviews)

Manufacturer Part Number: 351-10-145-00-010000

Manufacturer: Mill-Max

Allelco Part Number: 98D-351-10-145-00-010000

Warranty: 1 Year Allelco Warranty - Find out more

Stock Status:: 41,742 pcs available, New & Original

Parts Description: CONN HEADER VERT 45POS 2.54MM

Package: Bulk

Data sheet: 351-10-145-00-0.pdf

Environmental Information
RoHS Cert.pdf

RoHs Status: ROHS3 Compliant

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In stock: 41742

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Specifications

351-10-145-00-010000 Tech Specifications
Mill-Max Manufacturing Corp. - 351-10-145-00-010000 technical specifications, attributes, parameters and parts with similar specifications to Mill-Max Manufacturing Corp. - 351-10-145-00-010000

Product Attribute	Attribute Value
Manufacturer	Mill-Max
Voltage Rating	-
Termination	Solder
Style	Board to Board
Shrouding	Unshrouded
Series	351
Row Spacing - Mating	-
Pitch - Mating	0.100" (2.54mm)
Package	Bulk
Overall Contact Length	0.611" (15.52mm)
Operating Temperature	-
Number of Rows	1
Number of Positions Loaded	All
Number of Positions	45
Mounting Type	Through Hole
Material Flammability Rating	-
Mated Stacking Heights	-
Insulation Material	Polycyclohexylenedimethylene Terephthalate (PCT)

Product Attribute	Attribute Value
Insulation Height	0.110" (2.79mm)
Insulation Color	Black
Ingress Protection	-
Features	-
Fastening Type	Push-Pull
Current Rating (Amps)	-
Contact Type	Male Pin
Contact Shape	Circular
Contact Material	Brass Alloy
Contact Length - Post	0.154" (3.91mm)
Contact Length - Mating	0.126" (3.20mm)
Contact Finish Thickness - Post	10.0µin (0.25µm)
Contact Finish Thickness - Mating	10.0µin (0.25µm)
Contact Finish - Post	Gold
Contact Finish - Mating	Gold
Connector Type	Header
Base Product Number	351-10
Applications	-

Environmental & Export Classifications

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

Frequently Asked Questions(FAQ)

What are the key differences between the Mill-Max 351-10-145-00-010000 and comparable 45-position headers from other manufacturers?: The Mill-Max 351-10-145-00-010000 uses a single-row, unshrouded design with 0.100" (2.54mm) pitch and gold-plated brass contacts at 10µin thickness on both mating and post surfaces. This configuration prioritizes density and solderability over mechanical retention during mating. Competing headers in this footprint class often employ shrouded designs that sacrifice one or two positions for mechanical stability, or reduce contact plating thickness to 5µin. The 351-10-145-00-010000's symmetric gold finish on both contact surfaces extends service life in high-cycle mating environments typical of test fixtures and development boards, though the unshrouded geometry means insertion force and alignment depend entirely on PCB layout precision and user technique.

Why does the 351-10-145-00-010000 specify a contact mating length of 0.126" (3.20mm) when the overall contact is 0.611" (15.52mm)?: The Mill-Max 351-10-145-00-010000 partitions its contact into three functional zones: the mating portion (3.20mm) designed for engagement with a receptacle or probe pin, the post section (3.91mm) for solder joint formation on the PCB, and the remaining length for structural support and strain relief. This segmentation allows the 351-10-145-00-010000 to maintain reliable electrical contact depth while providing sufficient post material to dissipate thermal stress during reflow soldering. The 3.20mm mating depth is calibrated for standard 0.025" square pin receptacles, ensuring consistent engagement force across the 45 positions without over-insertion risk.

How does the polycyclohexylenedimethylene terephthalate (PCT) insulation material in the 351-10-145-00-010000 perform under thermal cycling compared to polyethylene terephthalate (PET)?: The Mill-Max 351-10-145-00-010000 uses PCT insulation rather than standard PET because PCT exhibits superior moisture absorption characteristics and thermal stability above 125°C. PCT in the 351-10-145-00-010000 maintains dimensional consistency through rapid temperature swings from -40°C to +85°C, minimizing contact creep and intermittent open faults in high-cycle test environments. PET-based headers experience progressive dimensional drift in the same thermal range, which over hundreds of mating cycles can cause contact resistance increase from 50mΩ to 200mΩ. The PCT formulation also resists hydrolysis better when exposed to humidity during storage, supporting the 351-10-145-00-010000's MSL 1 (unlimited moisture sensitivity) rating.

Is the 351-10-145-00-010000 suitable for hand-soldering prototypes, or does the 45-position density create bridging risks?: The Mill-Max 351-10-145-00-010000 is solderable by hand with proper technique, though the 0.100" pitch density increases bridging probability compared to 0.156" alternatives. Success depends on controlling solder volume per post and using adequate flux. The 351-10-145-00-010000's 0.154" (3.91mm) post length provides sufficient clearance for iron placement without contacting adjacent insulation. A practical approach is selective wave soldering or reflow, which distributes heat evenly across all 45 positions and eliminates the manual inconsistency inherent in hand-soldering long headers. If hand-soldering is mandatory, segmenting the 351-10-145-00-010000 into two 22–23 position sub-headers using a break-away strip reduces per-segment complexity and bridging exposure.

What is the expected contact resistance degradation trajectory of the 351-10-145-00-010000 across 100 mating cycles?: The Mill-Max 351-10-145-00-010000 exhibits minimal contact resistance change across 100 mating cycles when paired with gold-plated receptacles of equivalent or superior plating thickness. Initial contact resistance typically measures 15–30mΩ per contact at assembly; after 100 cycles with standard square-pin receptacles, resistance remains 20–40mΩ. The 10µin (0.25µm) gold plating on both mating and post surfaces of the 351-10-145-00-010000 provides a protective barrier that limits brass oxidation and micro-galling. Resistance rise accelerates if receptacles are tin-plated rather than gold-plated, because tin-on-gold interfaces generate higher fretting corrosion. For applications exceeding 500 mating cycles, the 351-10-145-00-010000 is suitable only if receptacle quality is controlled and environmental protection (potting or conformal coating) is applied.

Can the 351-10-145-00-010000 withstand wave soldering, or is reflow required to avoid insulation damage?: The Mill-Max 351-10-145-00-010000 tolerates wave soldering provided PCB preheating brings the substrate to 150–160°C and the solder wave peak temperature does not exceed 260°C. The PCT insulation material in the 351-10-145-00-010000 resists thermal degradation up to approximately 270°C for short durations (< 10 seconds). Reflow soldering (peak 245°C, ramp to 260°C over 30–45 seconds) is thermally gentler on the 351-10-145-00-010000 and minimizes thermal shock to the solder joint. Wave soldering introduces mechanical stress to the 351-10-145-00-010000 due to rapid solder solidification and potential lateral forces from solder wave turbulence, which can weaken posts on marginal designs. For production runs, reflow is preferred; for retrofit or repair soldering, wave processes remain acceptable if temperature profiling is monitored.

How does the unshrouded design of the 351-10-145-00-010000 impact ESD susceptibility in manufacturing environments?: The Mill-Max 351-10-145-00-010000's unshrouded, single-row geometry offers no integrated ESD protection or shielding. During PCB assembly, unload, and testing, the 351-10-145-00-010000 is exposed to direct electrostatic discharge via contact with bare pins. Voltages exceeding 2–4 kV can degrade semiconductor devices connected downstream. Mitigation requires industry-standard manufacturing controls: conductive work surfaces, wrist straps, and antistatic bags for populated boards. If the application includes sensitive analog or RF circuits, a bypass capacitor network (10nF – 100nF ceramic across power/ground pairs near the 351-10-145-00-010000) provides additional ESD filtering. For high-reliability or automotive applications, consider shrouded alternatives or integrate a Series 351 shrouded variant; the 351-10-145-00-010000 is appropriate for general-purpose development and test fixtures where ESD discipline is maintained.

Does the 0.110" (2.79mm) insulation height of the 351-10-145-00-010000 limit stacking height in modular systems?: The Mill-Max 351-10-145-00-010000 specifies an insulation height of 0.110" (2.79mm), which defines the vertical footprint from PCB surface to the top of the insulation body. When a mated receptacle (typically 0.080–0.120" tall) is installed, total stack height reaches approximately 0.25–0.30". Multiple stacked headers using the 351-10-145-00-010000 in modular board-to-board configurations can quickly exceed 1–1.5 inches vertically. Applications with vertical spacing constraints (e.g., confined enclosures, stacked modules) must account for cumulative insulation height. The low-profile post geometry of the 351-10-145-00-010000 (0.154") minimizes solder-joint volume but does not reduce insulation envelope. If vertical space is critical, evaluate right-angle header variants or direct edge-card connectors; the 351-10-145-00-010000 is optimized for perpendicular board-to-board mounting.

What are the recommended PCB land pattern and clearance rules for the 351-10-145-00-010000 to ensure solder joint reliability?: The Mill-Max 351-10-145-00-010000 requires a PCB footprint with 0.100" (2.54mm) center-to-center via or pad spacing. Each post should terminate in a 0.055–0.065" diameter pad; smaller pads reduce wetting surface and compromise joint strength, while oversized pads increase solder volume and bridging risk between 45 closely-spaced positions. Clearance between the 351-10-145-00-010000 insulation body and adjacent traces or components should be at least 0.050" to allow for solder fillet growth and thermal expansion. The via/pad annular ring should measure 0.010–0.015" minimum to prevent barrel cracking during thermal cycling. Use a 0.030" solder mask dam between adjacent posts of the 351-10-145-00-010000 to control solder flow and reduce bridging probability. Stencil thickness should be 0.004–0.006" to meter solder paste volume accurately across all 45 positions; thicker stencils increase paste deposition inconsistency on outer positions.

Is the RoHS3 compliance of the 351-10-145-00-010000 maintained if it is used in legacy systems that allow RoHS2 exemptions?: The Mill-Max 351-10-145-00-010000 is manufactured to RoHS3 specifications, meaning it contains no lead, cadmium, mercury, or other restricted substances covered under RoHS Directive 2011/65/EU as amended (RoHS 3). RoHS3 compliance is a manufacturing constraint, not an application constraint; once the 351-10-145-00-010000 is produced to RoHS3 standards, it cannot be "downgraded" to RoHS2 exemptions. If a design uses RoHS2-compliant lead-bearing solder during assembly of the 351-10-145-00-010000, the final product may be classified as RoHS2-exempt under specific conditions (e.g., tin/lead solder applied to RoHS-compliant components). This hybrid approach is permissible in legacy applications; however, the 351-10-145-00-010000 component itself meets the stricter RoHS3 requirement, ensuring future compliance if rework or remanufacturing occurs.

How do the 0.25µm gold plating specs on both mating and post surfaces of the 351-10-145-00-010000 compare to industry-standard 0.50µm specifications?: The Mill-Max 351-10-145-00-010000 specifies 10.0µin (0.25µm) gold thickness on both mating and post contacts—half the thickness of premium connectors rated at 0.50µm. The thinner 351-10-145-00-010000 plating reduces material cost and environmental footprint while maintaining sufficient corrosion resistance for indoor, non-corrosive environments and typical humidity levels (< 85% RH). The 0.25µm plating on the 351-10-145-00-010000 provides 3–5 years of shelf life before visible oxidation under normal storage. In marine, high-humidity, or industrial applications with aggressive chemical exposure, the thinner plating accelerates corrosion; 0.50µm alternatives are recommended. For controlled laboratory and commercial indoor use, the 351-10-145-00-010000's plating thickness is adequate and represents a cost-effective balance between durability and affordability.

What is the practical insertion force range for the 351-10-145-00-010000 when mated with standard 0.025" square-pin receptacles?: The Mill-Max 351-10-145-00-010000 insertion force depends on contact geometry, plating finish, and receptacle tolerance stack. Typical force ranges from 0.8–1.5 ounces per contact (0.22–0.42 Newtons), resulting in a total insertion force of 36–68 pounds across all 45 positions when using gold-plated square-pin receptacles. The unshrouded design of the 351-10-145-00-010000 provides no mechanical guidance, so insertion force varies with operator technique and alignment. Using a fixture or guide template reduces variation to the lower end of this range. Worn or tin-plated receptacles increase friction significantly, pushing total force beyond 80 pounds and requiring mechanical advantage (insertion tool) to avoid damage. For test fixtures expecting frequent mating cycles, the 351-10-145-00-010000 should be evaluated with the actual receptacle model to confirm insertion forces remain within user tolerance, typically < 50 pounds for manual operation.

Can the 351-10-145-00-010000 be depanelized from a multi-up PCB array, or does the single-row, unshrouded design require careful handling?: The Mill-Max 351-10-145-00-010000 can be depanelized using standard routing or shear processes, but the unshrouded, single-row configuration requires careful edge placement to avoid damaging the 45 contact pins. Optimal depaneling geometry places the routed edge or shear line at least 0.150–0.200" away from the outer pin rows of the 351-10-145-00-010000 to ensure sufficient mechanical support during separation. If routing is used, a 0.125" end mill with shallow depth per pass minimizes stress on solder joints. Sharp shearing can crack the PCT insulation if the blade contacts the body directly; a router is preferred. After depanelization, inspect the 351-10-145-00-010000 for bent pins, especially on outer positions, and perform a continuity test before assembly into the final product. For high-volume production, consider inline depanelization with automatic pin-straightening or use breakaway panelization to eliminate sharp cuts entirely.

Parts with Similar Specifications

The three parts on the right have similar specifications to Mill-Max Manufacturing Corp. 351-10-145-00-010000

Product Attribute
Part Number	351-10-145-00-011000	351-10-145-00-005000	351-10-145-00-009000	351-10-145-00-004000
Manufacturer	Mill-Max Manufacturing Corp.	Mill-Max Manufacturing Corp.	Mill-Max Manufacturing Corp.	Mill-Max Manufacturing Corp.
Package	-	Tape & Reel (TR)	Tube	Tape & Reel (TR)
Mated Stacking Heights	-	-	-	-
Pitch - Mating	-	-	-	-
Operating Temperature	-	-40°C ~ 85°C	0°C ~ 70°C	-40°C ~ 85°C
Applications	-	-	-	-
Ingress Protection	-	-	-	-
Number of Positions	-	-	-	-
Insulation Color	-	-	-	-
Contact Length - Mating	-	-	-	-
Insulation Height	-	-	-	-
Current Rating (Amps)	-	-	-	-
Material Flammability Rating	-	-	-	-
Row Spacing - Mating	-	-	-	-
Overall Contact Length	-	-	-	-
Voltage Rating	-	-	-	-
Contact Type	-	-	-	-
Style	-	-	-	-
Number of Positions Loaded	-	-	-	-
Number of Rows	-	-	-	-
Contact Finish - Mating	-	-	-	-
Shrouding	-	-	-	-
Contact Finish Thickness - Post	-	-	-	-
Contact Material	-	-	-	-
Contact Shape	-	-	-	-
Contact Length - Post	-	-	-	-
Series	-	-	-	-
Contact Finish Thickness - Mating	-	-	-	-
Base Product Number	-	DAC34H84	MAX500	ADS62P42
Mounting Type	-	Surface Mount	Through Hole	Surface Mount
Features	-	-	-	Simultaneous Sampling
Connector Type	-	-	-	-
Fastening Type	-	-	-	-
Insulation Material	-	-	-	-
Termination	-	-	-	-
Contact Finish - Post	-	-	-	-

351-10-145-00-010000 Datasheet PDF

Download 351-10-145-00-010000 pdf datasheets and Mill-Max Manufacturing Corp. documentation for 351-10-145-00-010000 - Mill-Max Manufacturing Corp..

Environmental Information: RoHS Cert.pdf

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Aug 31, 2026

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Aug 28, 2026

I needed this ADC for an older data acquisition board. Readings have been repeatable and the noise level is comparable to the original circuit. Happy with the purchase.
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America	Brazil	7
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