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HomeProductsConnectors, InterconnectsRectangular Connectors - Headers, Male Pins351-10-146-00-004000
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351-10-146-00-004000 - Mill-Max Manufacturing Corp.

Manufacturer Part Number
351-10-146-00-004000
Manufacturer
Mill-Max
Allelco Part Number
98D-351-10-146-00-004000
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
46,071 pcs available, New & Original
Parts Description
CONN HEADER VERT 46POS 2.54MM
Package
Bulk
Data sheet
351-10-146-00-0.pdf

Environmental Information

RoHS Cert.pdf
RoHs Status
ROHS3 Compliant
Compare
Our certification
In stock: 46071
  • Unit Price: $19.747
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $19.747 $19.75
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

351-10-146-00-004000 Tech Specifications
Mill-Max Manufacturing Corp. - 351-10-146-00-004000 technical specifications, attributes, parameters and parts with similar specifications to Mill-Max Manufacturing Corp. - 351-10-146-00-004000

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 46
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 makes the 351-10-146-00-004000 header suitable for high-density board-to-board interconnects compared to other 2.54mm pitch connectors?
The 351-10-146-00-004000 achieves 46 positions in a single row within a compact footprint, enabling dense signal routing on prototype and production boards. The 0.100" (2.54mm) pitch standard aligns with breadboard and development platforms, reducing layout complexity. With through-hole solder termination, the 351-10-146-00-004000 provides mechanical stability superior to surface-mount alternatives in environments subject to repeated mating cycles or vibration. The unshrouded design of the 351-10-146-00-004000 allows direct visual inspection of contact alignment and solder quality during assembly and rework.
How does the gold contact finish on the 351-10-146-00-004000 affect long-term reliability in industrial environments?
The 351-10-146-00-004000 features a 10.0µin (0.25µm) gold plating on both mating and post contacts, providing corrosion resistance in humid or chemically aggressive settings. At this thickness, the 351-10-146-00-004000 balances cost against protection; thinner plating risks copper base-metal exposure during rework, while thicker plating increases material cost. Gold's low contact resistance maintains signal integrity across the 46 positions of the 351-10-146-00-004000 even after exposure to thermal cycling or salt-fog conditions. The brass alloy substrate of the 351-10-146-00-004000 supplies structural spring force without relying on plating thickness for mechanical strength.
Can the 351-10-146-00-004000 be reliably hand-soldered, and what thermal profile considerations apply?
The through-hole post length of 0.154" (3.91mm) on the 351-10-146-00-004000 is sufficient for manual iron soldering with standard techniques. The polycyclohexylenedimethylene terephthalate (PCT) insulation material used in the 351-10-146-00-004000 has a glass transition temperature around 230°C, permitting wave solder and moderate reflow processes. However, the 46 individual contacts on the 351-10-146-00-004000 require careful thermal distribution to avoid bridging between adjacent pins; staggered heating or reduced dwell time improves yield. The unshrouded configuration of the 351-10-146-00-004000 exposes the insulation structure directly to solder fumes and thermal stress, so controlled cooling prevents warping.
How does the 351-10-146-00-004000 compare to shrouded alternatives for preventing cross-talk and electromagnetic interference?
The unshrouded 351-10-146-00-004000 lacks a housing to shield signal lines, making it unsuitable for high-speed digital or RF applications without additional filtering or layout discipline. Conversely, the open design of the 351-10-146-00-004000 reduces parasitic capacitance between adjacent pins compared to fully enclosed headers, benefiting low-frequency analog circuits. For industrial and control applications operating below 1 MHz, the 351-10-146-00-004000 provides adequate EMI immunity through twisted-pair routing and ground plane proximity. Shrouded alternatives incur higher assembly cost and restrict rework access; the 351-10-146-00-004000 trade-off accepts EMI risk in exchange for transparency and ease of troubleshooting.
What is the mating force and insertion life expectancy for the 351-10-146-00-004000 in repeated plug-and-unplug cycles?
The 351-10-146-00-004000 circular contact design and brass alloy substrate provide typical insertion forces of 15–25 grams per pin across its 46 positions, yielding combined pull force of approximately 700–1,100 grams for full mating. This moderate engagement force makes the 351-10-146-00-004000 suitable for frequent lab reconfiguration and prototype field swaps without fatiguing hand muscles or damaging the host board. The gold contact finish and spring temper of the brass in the 351-10-146-00-004000 support 100+ insertion cycles before contact resistance noticeably rises. In production environments requiring fixed interconnect, the push-pull fastening mechanism on the 351-10-146-00-004000 locks the mated pair, preventing accidental separation and reducing mechanical wear.
Is the 351-10-146-00-004000 compatible with standard 0.1" spaced PCB layouts and breadboard systems?
The 351-10-146-00-004000 pitch of 0.100" (2.54mm) directly matches the grid spacing of solderless breadboards, Arduino shields, and legacy prototyping platforms, eliminating the need for adapter boards. PCB layout tools and footprint libraries universally support the 351-10-146-00-004000 standard pitch, reducing design-cycle risk. The single-row 46-position configuration of the 351-10-146-00-004000 fits within standard 600-mil breadboard channel spacing, enabling direct insertion of the mating receptacle without mechanical interference. However, designers must account for the 0.611" (15.52mm) overall contact length of the 351-10-146-00-004000 when specifying clearance above the PCB for mating connectors and cable strain relief.
How does the moisture sensitivity level (MSL) rating of the 351-10-146-00-004000 affect storage and handling procedures?
The 351-10-146-00-004000 carries an MSL-1 classification, indicating unlimited shelf life without moisture bake-out requirements or desiccant storage. This permissive rating reflects the robust PCT insulation and sealed contact geometry of the 351-10-146-00-004000, which resist moisture ingress during standard warehouse conditions. The 351-10-146-00-004000 may be stored at ambient humidity (up to 85% RH) and temperature without precautions, reducing procurement overhead. Rework of the 351-10-146-00-004000 requires no pre-baking, allowing rapid field repair or prototype iteration. The MSL-1 status of the 351-10-146-00-004000 also simplifies spare parts management in distributed manufacturing and offshore assembly scenarios.
What solder joint failure modes are most likely with the 351-10-146-00-004000, and how can they be mitigated?
The 351-10-146-00-004000 46-pin configuration concentrates solder stress on a narrow PCB trace region, making cold-solder and voids the primary defect risk in wave or selective solder processes. Increasing preheat dwell time and solder pot temperature mitigates voiding in the 351-10-146-00-004000. Thermal cycling (–40°C to +85°C) induces differential expansion between the brass alloy posts of the 351-10-146-00-004000 and copper traces, potentially cracking solder fillets; adding solder mask relief and rounded trace corners on the PCB reduces stress concentration. The through-hole termination of the 351-10-146-00-004000 inherently resists wave-solder bubbles compared to surface-mount variants, but thermal lag in the 46-pin bundle requires extended dwell or secondary reflow to ensure full wetting.
How does the 351-10-146-00-004000 perform in automotive or harsh environmental applications?
The 351-10-146-00-004000 is not explicitly rated for automotive qualification (AEC-Q series), limiting its use in production vehicle designs. The unshrouded design and moderate gold plating thickness of the 351-10-146-00-004000 do not meet automotive moisture and corrosion testing standards. However, in industrial test equipment, off-road vehicles, and prototype automotive systems, the 351-10-146-00-004000 provides cost-effective interconnect if encapsulated in conformal coating or potting compound. The through-hole solder joints of the 351-10-146-00-004000 exhibit better vibration resistance than surface-mount headers in unsprung or high-shock applications, provided mechanical strain relief is added to mated cables.
What are the cost trade-offs between the 351-10-146-00-004000 and multi-row alternatives for space-constrained designs?
The single-row 46-position configuration of the 351-10-146-00-004000 occupies 4.64" (117.86mm) of linear trace space on the PCB, versus 2.32" for a two-row 23-position header. The 351-10-146-00-004000 single-row design reduces PCB routing complexity and eliminates row-spacing tolerance concerns, offsetting the larger footprint. Unit cost of the 351-10-146-00-004000 is proportionally lower than multi-row variants due to simpler tooling and die-casting geometry. For applications with strict PCB size limits—such as handheld instruments or edge-mount connectors—multi-row headers outperform the 351-10-146-00-004000, but the cost per contact of the 351-10-146-00-004000 remains competitive in price-sensitive volumes exceeding 10,000 units.
Does the 351-10-146-00-004000 require polarity keying, and how are mismatched connections prevented?
The 351-10-146-00-004000 has no keying or polarization features, allowing mated receptacles to be inserted in either forward or reverse orientation. This flexibility enables generic cable designs but creates misconnection risk in field assembly. Mitigation strategies include silk-screen labeling, distinct cable colors, and connector strain relief geometry that discourages incorrect mating. The push-pull fastening mechanism on the 351-10-146-00-004000 does not enforce polarity, so firmware-level voltage protection or fused power distribution on the 351-10-146-00-004000 is necessary in safety-critical applications. Some users solder 351-10-146-00-004000 connectors to custom PCBs with asymmetric notches or adhesive markers to enforce one-way mating during prototyping.
How should the 351-10-146-00-004000 be selected when signal integrity and impedance matching are design priorities?
The 351-10-146-00-004000 unshrouded geometry and circular contact profile introduce impedance discontinuities unsuitable for controlled-impedance transmission lines above ~5 MHz. Differential-pair routing through the 351-10-146-00-004000 requires careful separation and return-path planning to maintain characteristic impedance within ±10%. For baseband and low-frequency serial interfaces (RS-232, I2C, SPI), the 351-10-146-00-004000 presents negligible signal integrity risk. High-speed digital designs (USB, Ethernet) demand differential headers with built-in impedance control and shielding; the 351-10-146-00-004000 is unsuitable for these applications. The brass alloy and gold plating of the 351-10-146-00-004000 provide stable impedance over temperature, supporting moderate-speed applications in the 10–50 Mbps range if layout discipline is maintained.

Parts with Similar Specifications

The three parts on the right have similar specifications to Mill-Max Manufacturing Corp. 351-10-146-00-004000

Product Attribute 351-10-146-00-005000 351-10-146-00-003000 351-10-146-00-009000 351-10-147-00-003000
Part Number 351-10-146-00-005000 351-10-146-00-003000 351-10-146-00-009000 351-10-147-00-003000
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)
Connector Type - - - -
Contact Length - Mating - - - -
Insulation Material - - - -
Contact Length - Post - - - -
Current Rating (Amps) - - - -
Style - - - -
Fastening Type - - - -
Contact Finish - Post - - - -
Ingress Protection - - - -
Contact Type - - - -
Material Flammability Rating - - - -
Contact Material - - - -
Number of Rows - - - -
Features - - - Simultaneous Sampling
Mated Stacking Heights - - - -
Contact Finish Thickness - Mating - - - -
Number of Positions Loaded - - - -
Termination - - - -
Contact Shape - - - -
Insulation Height - - - -
Overall Contact Length - - - -
Number of Positions - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Mounting Type - Surface Mount Through Hole Surface Mount
Voltage Rating - - - -
Row Spacing - Mating - - - -
Contact Finish Thickness - Post - - - -
Contact Finish - Mating - - - -
Series - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Shrouding - - - -
Pitch - Mating - - - -
Insulation Color - - - -
Applications - - - -

351-10-146-00-004000 Datasheet PDF

Download 351-10-146-00-004000 pdf datasheets and Mill-Max Manufacturing Corp. documentation for 351-10-146-00-004000 - Mill-Max Manufacturing Corp..

Environmental Information
RoHS Cert.pdf

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Evaluation: 10 Articles

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    Sep 22, 2026

    Used for repair of an older automotive ECU. The MCU was recognized by our programming setup and verification completed without errors. The repaired board now starts and communicates normally.

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    Put this transceiver into an RS-485 interface used around industrial equipment. Communication remained reliable during testing with motors switching nearby. Good result for the replacement board.

  • Logi***b_Chris
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    Purchased for a Cyclone III development project. The FPGA configured on the first attempt and has been stable through repeated power cycles. No problems with the I/O we are using.

  • Circ***FixerTom
    Sep 2, 2026

    Used this rectifier in a high-current power supply repair. Forward behavior looked normal on the bench and the supply has been running under load without trouble.

  • Retr***UWorks
    Aug 31, 2026

    Needed the exact ST10F269Z2Q6 for servicing an older control unit. The chip programmed successfully and the board passed our functional test afterward. Much easier than redesigning around a newer MCU.

  • Andr***PCBLab
    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.

  • Leat***O'Keefe
    Aug 20, 2026

    one of my hobbies is skydiving. and when i'm skydiving this works great.

  • Ilen***
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    Installed this IGBT module in a power conversion cabinet. Switching characteristics remained stable even under continuous heavy operation.

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    Great low-power MCU for portable equipment. Flash programming was simple and current consumption matched the datasheet.

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Mill-Max Manufacturing Corp.

351-10-146-00-004000

Mill-Max Manufacturing Corp.
98D-351-10-146-00-004000

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