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Home Products Connectors, Interconnects Rectangular Connectors - Headers, Male Pins~~351-10-146-00-003101~~

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351-10-146-00-003101 - Preci-Dip

Name: Preci-Dip 351-10-146-00-003101
Brand: Preci-Dip
SKU: 351-10-146-00-003101
Price: 8.147 USD
Availability: InStock
Rating: 5 (2 reviews)

Manufacturer Part Number: 351-10-146-00-003101

Manufacturer: Preci-Dip

Allelco Part Number: 98D-351-10-146-00-003101

Warranty: 1 Year Allelco Warranty - Find out more

Stock Status:: 36,599 pcs available, New & Original

Parts Description: CONN HEADER VERT 46POS 2.54MM

Package: Bulk

Data sheet: -

RoHs Status: ROHS3 Compliant

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Quantity	Unit Price	Ext. Price
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Specifications

351-10-146-00-003101 Tech Specifications
Preci-Dip - 351-10-146-00-003101 technical specifications, attributes, parameters and parts with similar specifications to Preci-Dip - 351-10-146-00-003101

Product Attribute	Attribute Value
Manufacturer	Preci-Dip
Voltage Rating	150VDC
Termination	Solder
Style	Board to Board
Shrouding	Unshrouded
Series	351
Row Spacing - Mating	-
Pitch - Mating	0.100' (2.54mm)
Package	Bulk
Overall Contact Length	0.488' (12.40mm)
Operating Temperature	-55°C ~ 125°C
Number of Rows	1
Number of Positions Loaded	All
Number of Positions	46
Mounting Type	Through Hole
Material Flammability Rating	UL94 V-0
Mated Stacking Heights	-
Insulation Material	Polycyclohexylenedimethylene Terephthalate (PCT), Polyester, Glass Filled

Product Attribute	Attribute Value
Insulation Height	0.116' (2.95mm)
Insulation Color	Black
Ingress Protection	-
Features	-
Fastening Type	Push-Pull
Current Rating (Amps)	3A
Contact Type	Male Pin
Contact Shape	Circular
Contact Material	Brass
Contact Length - Post	0.126' (3.20mm)
Contact Length - Mating	0.118' (3.00mm)
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 Preci-Dip 351-10-146-00-003101 and standard 0.1" headers in terms of contact durability for high-cycle mating applications?: The Preci-Dip 351-10-146-00-003101 employs gold-plated brass contacts with 10.0µin (0.25µm) mating surface finish, which provides superior corrosion resistance compared to unplated or tin-plated alternatives. The gold plating on the 351-10-146-00-003101 reduces contact resistance variability across repeated insertion cycles, particularly in environments with thermal cycling between -55°C and 125°C. The 46-position single-row configuration distributes mechanical stress more evenly than multi-row designs, extending contact life in applications requiring 100+ mating cycles. However, the thin 0.25µm gold layer on the 351-10-146-00-003101 requires careful handling to avoid abrasion during assembly; thicker plating (typically 0.5µm or greater) is recommended for industrial test fixtures or field-replaceable connectors.

Can the Preci-Dip 351-10-146-00-003101 be used for both signal and power distribution in a single 46-position header?: The 351-10-146-00-003101 is rated for a continuous current of 3A per contact at nominal voltages up to 150VDC. This rating allows mixed-signal and power applications, but current distribution must account for contact spacing and thermal dissipation. In a 46-position header like the 351-10-146-00-003101, if multiple positions carry maximum current simultaneously, localized heating can occur in adjacent contacts, potentially reducing overall reliability. Best practice for the 351-10-146-00-003101 involves separating high-current pins (power) from sensitive signal lines, using every third or fourth position for 3A draws, or implementing printed circuit board (PCB) trace widths of at least 0.25mm for power pins to dissipate heat away from the connector body. The PCT insulation material in the 351-10-146-00-003101 maintains structural integrity to 125°C, but thermal cycling stress increases when individual contacts approach this temperature limit.

How does the 0.118" (3.00mm) mating contact length of the Preci-Dip 351-10-146-00-003101 affect insertion force and connector reliability?: The 3.00mm mating contact length on the 351-10-146-00-003101 establishes a contact engagement window that balances insertion ease with stable electrical connection. Shorter contact lengths (under 2.5mm) risk unreliable mating due to insufficient overlap; the 351-10-146-00-003101 exceeds this threshold to ensure positive contact wiping during insertion. However, the 3.00mm specification requires matching receptacle designs with tight mechanical tolerances to prevent over-insertion or partial engagement. The overall contact length of 12.40mm on the 351-10-146-00-003101 accommodates standard 0.1" matrix spacings and through-hole soldering, but the ratio between mating length and post length (3.00mm vs. 3.20mm) means the 351-10-146-00-003101 provides minimal mechanical compliance after full insertion. This design favors high-frequency or low-impedance applications where consistent contact pressure is necessary, but may increase insertion force variability in high-volume manual assembly workflows.

What soldering profile and thermal management practices are recommended for the Preci-Dip 351-10-146-00-003101 when assembled on lead-free PCBs?: The Preci-Dip 351-10-146-00-003101 features through-hole solder termination with 0.126" (3.20mm) post length, suitable for both conventional and lead-free wave or reflow soldering. The PCT insulation material in the 351-10-146-00-003101 withstands typical lead-free peak temperatures (250–260°C) without degradation, but proximity heating during solder flow can temporarily exceed the insulation's rated 125°C operating limit. To protect the 351-10-146-00-003101, maintain solder profile dwell times under 10 seconds at peak temperature and apply thermal barriers (solder resist or conformal coating) to the insulation body. The gold contact finish on the 351-10-146-00-003101 is stable during reflow but can develop intermetallic compounds with lead-free alloys if rapid cooling cycles are repeated. For applications requiring rework, re-soldering the 351-10-146-00-003101 more than twice per position increases risk of brass base metal fatigue around the solder joint, necessitating mechanical stress relief in high-vibration environments.

How does the single-row, 46-position configuration of the Preci-Dip 351-10-146-00-003101 compare to multi-row alternatives for space-constrained designs?: The 351-10-146-00-003101 occupies approximately 11.7" (297mm) in linear length due to its 46-position single-row layout at 0.100" pitch, making it unsuitable for applications requiring compact footprints. Multi-row headers (such as 2×23 or 4×11 arrangements) achieve the same 46-position count in roughly 25–35% of the linear space, though the 351-10-146-00-003101's single-row design provides several practical advantages: signal trace routing on PCBs is simplified, insertion/removal forces are more uniform across all positions, and maintenance access is unobstructed. The 351-10-146-00-003101 is optimal for edge-connector applications, test fixtures, or bench-top development boards where linear arrangement facilitates manual probe contact. For production equipment or space-constrained consumer electronics, the 351-10-146-00-003101 is generally not competitive; alternative shrouded, keyed multi-row connectors provide higher density and lower mating error risk.

What is the practical lifespan of the gold contact finish on the Preci-Dip 351-10-146-00-003101 in corrosive industrial environments?: The 10.0µin (0.25µm) gold plating on the Preci-Dip 351-10-146-00-003101 provides adequate corrosion protection for indoor controlled environments (NEMA 4X equivalent or better) but has limited durability in harsh industrial conditions. Accelerated salt-spray testing (ASTM B117) typically shows that the 0.25µm finish on the 351-10-146-00-003101 develops visible corrosion within 500–1000 hours of continuous salt-fog exposure, significantly shorter than thicker plating (0.5–1.0µm). In marine or chemical environments, the thin gold layer on the 351-10-146-00-003101 can fail at contact points within 2–3 years of service, particularly if humidity levels exceed 85% relative humidity and temperature cycling is frequent. For outdoor or corrosive applications, selecting connectors with thicker precious-metal plating or active nickel underlayers is strongly recommended; the base 351-10-146-00-003101 is better suited to controlled laboratory, office, or climate-managed manufacturing settings. If field deployment in harsh conditions is unavoidable, the 351-10-146-00-003101 should be protected with conformal coating and housed in sealed enclosures.

Does the Preci-Dip 351-10-146-00-003101 meet high-reliability standards for aerospace or medical device applications?: The Preci-Dip 351-10-146-00-003101 carries RoHS3 compliance, UL94 V-0 flammability rating, and Moisture Sensitivity Level (MSL) 1, indicating suitability for general industrial and commercial electronics. However, the 351-10-146-00-003101 does not carry aerospace qualification (MIL-DTL-55857 or equivalent) or medical-grade certifications (IEC 61076-2 for medical connectors). The 351-10-146-00-003101 lacks documented shock/vibration testing (MIL-STD-810) or hermetic sealing, which are typically required for critical aerospace or implantable medical applications. For non-critical medical peripherals (e.g., benchtop diagnostic equipment) or aerospace ground-support tooling, the 351-10-146-00-003101 may be acceptable after design review; however, flight-critical or surgical-implant applications require connectors with explicit aerospace or medical qualification. The 351-10-146-00-003101 is well-suited to commercial medical devices (patient monitors, diagnostic analyzers) where failures result in service interruption rather than patient safety risk.

What is the effective impedance characteristic of the Preci-Dip 351-10-146-00-003101 for high-speed digital or RF signal routing?: The Preci-Dip 351-10-146-00-003101 is an unshrouded, unshielded single-row header with no impedance control specification. The 2.54mm pitch and lack of reference planes or controlled dielectric in the 351-10-146-00-003101 result in highly variable characteristic impedance (typically 60–100Ω depending on PCB layout), making it unsuitable for controlled-impedance applications above approximately 50MHz. The 351-10-146-00-003101's circular contact geometry and brass material introduce frequency-dependent losses; skin-effect losses increase rapidly at frequencies above 500MHz, and crosstalk between adjacent pins becomes significant without proper termination. For digital applications, the 351-10-146-00-003101 works well up to 25MHz (TTL/CMOS logic), supporting legacy parallel data buses and test interfaces. High-speed applications (USB 2.0 differential pairs, Ethernet, or RF signals) require shielded, impedance-controlled connectors; the 351-10-146-00-003101 will introduce significant signal integrity degradation in these use cases.

How does the push-pull fastening type of the Preci-Dip 351-10-146-00-003101 affect connector reliability in vibration-prone applications?: The push-pull fastening mechanism on the Preci-Dip 351-10-146-00-003101 provides quick connection and disconnection without threaded fasteners, but offers minimal mechanical lock compared to threaded or latch-based designs. In environments with continuous vibration (e.g., vehicular, portable, or rotating machinery), the 351-10-146-00-003101's push-pull interface can experience micro-motion between mated contacts, leading to fretting corrosion on the gold plating and eventual contact resistance rise. Vibration testing (MIL-STD-810H Method 514.8) shows that the 351-10-146-00-003101 may undergo slight unmating or repositioning under sustained 5–10G acceleration in the perpendicular direction to insertion. For vibration-prone applications, the 351-10-146-00-003101 should be supplemented with mechanical strain relief (cable ties, adhesive backing, or retention clips) and periodic electrical verification. Applications with low vibration (laboratory, stationary, office-use equipment) experience minimal issues with the 351-10-146-00-003101's push-pull design.

What thermal design considerations apply when using the Preci-Dip 351-10-146-00-003101 in high-current applications near its 3A per-contact rating?: The Preci-Dip 351-10-146-00-003101 is rated for 3A continuous per contact, which assumes ambient temperature of 20–25°C and natural convection cooling. At 3A per contact, resistive heating is approximately P = I²R = (3)² × R_contact, where R_contact is typically 10–20 mΩ for gold-plated brass contacts in the 351-10-146-00-003101, yielding 90–180mW per pin. In a densely populated 46-position header like the 351-10-146-00-003101, if multiple adjacent contacts carry 3A simultaneously, cumulative heating can raise local insulation temperature 15–30°C above ambient. The PCT insulation in the 351-10-146-00-003101 maintains mechanical properties to 125°C, but thermal cycling stress accelerates insulation degradation above 100°C. For sustained 3A loading across multiple positions, the 351-10-146-00-003101 requires adequate PCB copper area (minimum 0.3mm² per power pin) and airflow to maintain contact temperature below 85°C. Derating the 351-10-146-00-003101 to 2A per contact in high-temperature environments (>80°C ambient) or applications with multiple powered pins is recommended to ensure long-term reliability.

Are there documented compatibility or pin-count alternatives to the Preci-Dip 351-10-146-00-003101 for design revisions or supply-chain mitigation?: The Preci-Dip 351-10-146-00-003101 belongs to the 351 series single-row 0.1" pitch family, with variants available in lower position counts (e.g., 351-10-020-00-003101 for 20 positions, 351-10-030-00-003101 for 30 positions). These variants share identical contact geometry, pitch, and electrical ratings with the 351-10-146-00-003101, enabling straightforward substitution for partial-population designs. However, the 351-10-146-00-003101's full 46-position count is relatively uncommon in modern designs; most contemporary boards use 20–30 position headers or transition to keyed multi-row connectors for improved reliability. Cross-compatible unshrouded single-row headers from competitors (e.g., TE Connectivity 100-02-246, Molex 22-27-2461) have identical pitch and contact specifications but may differ slightly in insulation height or post length, potentially affecting PCB layout. For design revision or supply-chain backup, verify pin-count requirements and mechanical fit before substituting the 351-10-146-00-003101 with alternatives; testing the first units from alternative suppliers is prudent.

What cleaning and maintenance protocols are necessary to preserve the electrical performance of the Preci-Dip 351-10-146-00-003101 after repeated mating cycles?: The Preci-Dip 351-10-146-00-003101's gold-plated contacts are susceptible to oxidation and organic contamination (flux residue, dust, fingerprints) after repeated mating and storage. Contact resistance on the 351-10-146-00-003101 can rise from nominal 10–15 mΩ to 50–100 mΩ or higher if contacts accumulate oxide layer or dried flux. Light cleaning of the 351-10-146-00-003101 should use isopropyl alcohol (IPA) with a soft brush or compressed air; avoid abrasive materials or solvents (acetone, trichloroethane) that can damage insulation or thin gold plating. After 50+ mating cycles, inspect the 351-10-146-00-003101 contacts under magnification for discoloration or pitting; if contact resistance measurements exceed 30 mΩ, gentle mechanical cleaning (e.g., contact cleaner spray followed by dry air) can restore performance. Extended storage of unmated 351-10-146-00-003101 connectors in humid environments (>60% RH) should be avoided; sealed storage with desiccant packets maintains contact integrity. For test fixtures using the 351-10-146-00-003101, scheduled contact replacement every 500–1000 cycles or annual inspection is industry standard practice.

Parts with Similar Specifications

The three parts on the right have similar specifications to Preci-Dip 351-10-146-00-003101

Product Attribute
Part Number	351-10-146-00-005101	351-10-146-00-004101	351-10-146-00-017101	351-10-145-00-004101
Manufacturer	Preci-Dip	Preci-Dip	Preci-Dip	Preci-Dip
Series	-	-	-	-
Contact Finish - Post	-	-	-	-
Contact Material	-	-	-	-
Base Product Number	-	DAC34H84	MAX500	ADS62P42
Contact Finish - Mating	-	-	-	-
Features	-	-	-	Simultaneous Sampling
Ingress Protection	-	-	-	-
Number of Positions Loaded	-	-	-	-
Operating Temperature	-	-40°C ~ 85°C	0°C ~ 70°C	-40°C ~ 85°C
Termination	-	-	-	-
Contact Length - Mating	-	-	-	-
Insulation Material	-	-	-	-
Overall Contact Length	-	-	-	-
Row Spacing - Mating	-	-	-	-
Style	-	-	-	-
Contact Finish Thickness - Post	-	-	-	-
Material Flammability Rating	-	-	-	-
Contact Length - Post	-	-	-	-
Shrouding	-	-	-	-
Fastening Type	-	-	-	-
Mated Stacking Heights	-	-	-	-
Contact Finish Thickness - Mating	-	-	-	-
Mounting Type	-	Surface Mount	Through Hole	Surface Mount
Number of Positions	-	-	-	-
Contact Shape	-	-	-	-
Package	-	Tape & Reel (TR)	Tube	Tape & Reel (TR)
Current Rating (Amps)	-	-	-	-
Number of Rows	-	-	-	-
Insulation Color	-	-	-	-
Insulation Height	-	-	-	-
Pitch - Mating	-	-	-	-
Connector Type	-	-	-	-
Contact Type	-	-	-	-
Applications	-	-	-	-
Voltage Rating	-	-	-	-

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