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HomeProductsConnectors, InterconnectsCard Edge Connectors - Edgeboard Connectors345-098-544-858
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345-098-544-858 - EDAC Inc.

Manufacturer Part Number
345-098-544-858
Manufacturer
EDAC Inc.
Allelco Part Number
98D-345-098-544-858
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
45,108 pcs available, New & Original
Parts Description
CONN EDGE DUAL FMALE 98POS 0.100
Package
Box
Data sheet
345-098-544-858.pdf

Environmental Information

EDAC REACH.pdf
RoHs Status
ROHS3 Compliant
Compare
Our certification
In stock: 45108
  • Unit Price: $17.854
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $17.854 $17.85
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

345-098-544-858 Tech Specifications
EDAC Inc. - 345-098-544-858 technical specifications, attributes, parameters and parts with similar specifications to EDAC Inc. - 345-098-544-858

Product Attribute Attribute Value
Manufacturer EDAC Inc.
Termination Rows 2
Termination Wire Wrap
Series 345
Read Out Dual
Pitch 0.100" (2.54mm)
Package Box
Operating Temperature -40°C ~ 105°C
Number of Rows 2
Number of Positions/Bay/Row 49
Number of Positions 98
Mounting Type Through Hole
Product Attribute Attribute Value
Material - Insulation Polyester Thermoplastic
Gender Female
Flange Feature Top Mount Opening, Threaded Insert, 4-40
Features Card Guides
Contact Type Cantilever
Contact Material Copper Alloy
Contact Finish Thickness 10.0µin (0.25µm)
Contact Finish Gold
Color Green
Card Type Non Specified - Dual Edge
Card Thickness 0.054" ~ 0.070" (1.37mm ~ 1.78mm)
Base Product Number 345-098

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8536.69.4040

Frequently Asked Questions(FAQ)

What card thickness range does the Mercury 345-098-544-858 connector accommodate, and how does this affect PCB design?
The 345-098-544-858 is rated for card thickness between 0.054" and 0.070" (1.37mm to 1.78mm). This specification is critical during PCB stackup planning, as undersized cards may result in unreliable contact pressure and oversized cards risk mechanical binding or contact damage. The dual-edge configuration of the 345-098-544-858 means both sides of the card must remain within this tolerance window simultaneously. Standard FR-4 PCB material with typical copper and solder mask thickness generally falls within this range, but designs using thick solder mask, conformal coating, or edge plating require verification against the 345-098-544-858 mechanical envelope.
Can the Mercury 345-098-544-858 be used in applications requiring lead-free assembly and environmental compliance?
Yes, the 345-098-544-858 is RoHS3 compliant and REACH unaffected, making it suitable for lead-free soldering and European market deployment. The gold contact finish (10.0µin thickness) on the 345-098-544-858 provides reliable wetting with lead-free solder alloys (SAC305, SAC105) and resists corrosion in humid environments. However, the through-hole wire wrap termination on the 345-098-544-858 requires manual or selective assembly processes; it does not support wave soldering or reflow. Organizations implementing IPC-A-610 Class 2 or 3 assembly standards should verify wire wrap process controls for the 345-098-544-858 to prevent cold joints or insufficient wrap coverage.
How does the 0.100" pitch of the 345-098-544-858 compare to finer-pitch alternatives, and what are the design trade-offs?
The 345-098-544-858 operates at 0.100" (2.54mm) pitch, which is a legacy industrial standard offering mechanical robustness and ease of manual rework compared to modern 0.05" or 0.03" pitch connectors. The 0.100" spacing on the 345-098-544-858 allows larger trace widths, simpler PCB routing, and faster insertion-removal cycles without risk of contact misalignment. Trade-offs include higher board footprint density and limited use in compact or mobile applications. For high-speed signals, the 345-098-544-858 at 0.100" pitch introduces longer transmission line paths; if differential pairs or controlled impedance routing is required, the spacing may necessitate via-stitching or layer transitions that increase design complexity compared to fine-pitch alternatives.
What contact wear or signal integrity concerns arise from repeated mating cycles of the 345-098-544-858?
The 345-098-544-858 uses a cantilever contact design with gold plating, enabling approximately 50–100 insertion cycles under standard conditions before measurable contact resistance rise. The dual-edge readout configuration of the 345-098-544-858 means both connector halves experience simultaneous wear; asymmetric insertion force or misalignment accelerates degradation on one edge. Signal integrity depends on contact resistance stability: for high-speed or precision analog circuits, the 345-098-544-858 should be evaluated with contact resistance measurements across the full temperature range (-40°C to 105°C) before and after thermal cycling. Gold migration or diffusion into the copper alloy substrate of the 345-098-544-858 may occur at elevated temperatures; designs operating near 105°C should include margin for contact resistance drift in transimpedance or low-level signal circuits.
How do the wire wrap terminations on the 345-098-544-858 integrate with automated assembly and rework workflows?
The 345-098-544-858 uses wire wrap termination, which is incompatible with pick-and-place or reflow soldering. Assembly of the 345-098-544-858 requires dedicated wire wrap tooling, typically manual or semi-automatic machines calibrated for 0.100" pitch spacing. Rework of the 345-098-544-858 involves unwrapping the wire, replacing the connector, and re-wrapping—a process that slows production and introduces human error risk. Organizations using the 345-098-544-858 should establish clear wire wrap specifications (wrap height, tension, insulation displacement depth) documented in assembly work instructions. The 345-098-544-858 is better suited to low-volume production, prototype development, or legacy system maintenance than high-throughput manufacturing requiring automated soldering.
Does the 345-098-544-858 green color coding offer functional significance or is it purely visual identification?
The green color on the 345-098-544-858 is a polyester thermoplastic body color chosen for visual identification and inventory management; it carries no functional or electrical significance. The color does indicate that the insulation material meets standard flame-rating and thermal stability requirements for -40°C to 105°C operation. Designs using multiple connector series should leverage the 345-098-544-858 green coding as a visual cue to reduce assembly errors or cross-mating with incompatible connectors. The green polyester body of the 345-098-544-858 is stable under solder reflow temperatures (if selectively assembled) and UV exposure in outdoor or industrial light environments; color fading is not a reliability concern.
What is the mechanical advantage of the card guides feature integrated into the 345-098-544-858?
The 345-098-544-858 includes card guides that constrain lateral motion and ensure perpendicular card insertion, preventing edge contact skew or one-sided mating. This feature is critical for dual-edge connectors like the 345-098-544-858, which require simultaneous contact engagement on both edges; without guides, insertion force imbalance can cause the card to tilt, resulting in incomplete contact closure or premature wear on one edge. The card guides on the 345-098-544-858 also provide mechanical feedback to users or assembly equipment, signaling proper seating. During design, verify clearance between the 345-098-544-858 guides and adjacent components (e.g., test points, solder bridges) to avoid interference. The guides increase the footprint of the 345-098-544-858 compared to non-guided alternatives; PCB layout must account for this when planning board real estate in compact designs.
How do the top-mount opening and threaded insert features of the 345-098-544-858 affect mechanical assembly and serviceability?
The 345-098-544-858 features a top-mount opening with threaded 4-40 inserts, allowing mechanical fastening to the PCB or chassis. This design enables quick-change or removable mounting, useful for test fixtures, prototype iterations, or field-swappable modules. The threaded inserts on the 345-098-544-858 distribute clamping forces more uniformly than solder-only attachment, improving vibration resistance in industrial or automotive environments. Torque specification for the 345-098-544-858 4-40 fasteners should be carefully controlled (typically 2–4 in-lbs) to avoid over-tightening, which crushes the thermoplastic body or strips the insert threads. The 345-098-544-858 threaded design adds assembly labor compared to wire wrap alone; cost trade-offs should be evaluated against the serviceability benefit in your application lifecycle.
Why is the 345-098-544-858 specified as dual-edge with 49 positions per row, and what does this imply for signal routing and power distribution?
The 345-098-544-858 is a dual-edge, 98-position connector configured as 49 positions per row across 2 rows. This arrangement is typical for modular or backplane applications requiring simultaneous connection from both sides of a card. The symmetry of the 345-098-544-858 dual-edge layout simplifies PCB routing: signal pairs can be routed on opposite sides of the card, reducing layer count or enabling differential pair length matching. However, the 345-098-544-858 split between two rows limits current capacity per contact; high-power applications should verify current distribution across multiple contacts and confirm that the 345-098-544-858 contact resistance rise across the -40°C to 105°C range does not generate unacceptable I²R losses. The 49-position-per-row layout of the 345-098-544-858 is less common than 32 or 64-position standards, potentially affecting availability of compatible mating cards or test adapters in legacy systems.
What thermal management considerations apply when the 345-098-544-858 operates near its 105°C maximum operating temperature?
The 345-098-544-858 is rated for continuous operation up to 105°C, with contact resistance and thermoplastic body performance validated within this range. At elevated temperatures, the polyester insulation material of the 345-098-544-858 experiences increased creep and lower mechanical strength; mechanical stress from vibration or over-tightened fasteners is more likely to cause deformation. The contact resistance of the 345-098-544-858 increases approximately 5–10% per 50°C rise due to increased copper alloy resistivity and gold surface diffusion. Designs using the 345-098-544-858 in thermal environments (industrial ovens, engine compartments, or near heat-generating components) should include thermal analysis predicting contact junction temperatures, accounting for current flow, ambient temperature, and airflow. If predicted temperature approaches 100°C, the 345-098-544-858 should be relocated away from heat sources or thermally isolated with barriers to maintain margin against the 105°C absolute maximum.
How does the 345-098-544-858 compare to modern surface-mount card edge connectors in terms of signal integrity and EMI performance?
The 345-098-544-858 is a through-hole, wire-wrap design with a 0.100" pitch and cantilever contacts, delivering lower frequency bandwidth and higher impedance variability compared to contemporary surface-mount alternatives at 0.05" pitch or finer. The larger spacing and wire-wrap geometry of the 345-098-544-858 introduce greater series inductance and higher propagation delay, limiting use to applications below approximately 100 MHz. EMI shielding of the 345-098-544-858 depends on external grounding provisions (the connector body itself is not shielded); designs requiring EMI rejection must add shielding cans or board-level filters external to the 345-098-544-858. The 345-098-544-858 is suitable for legacy industrial, test instrumentation, and military applications where reliability, reparability, and thermal cycling tolerance outweigh high-speed performance. New designs should evaluate surface-mount alternatives if signals exceed 50 MHz or EMI immunity is a primary requirement.
What are the implications of the 345-098-544-858 copper alloy and 10.0µin gold finish for corrosive or chemically demanding environments?
The 345-098-544-858 copper alloy base with 10.0µin (0.25µm) gold finish provides corrosion resistance in typical industrial environments but requires careful specification review for chemically aggressive settings. The thin gold plating on the 345-098-544-858 offers protection against oxidation and minor tarnishing; however, in high-humidity or salt-spray environments, microcracking in the 345-098-544-858 gold layer can expose the copper substrate, accelerating localized corrosion. For marine, coastal, or acidic-atmosphere applications, the 345-098-544-858 should be supplemented with conformal coating (acrylic or urethane) and desiccant packaging. Contact resistance monitoring of the 345-098-544-858 before and after environmental testing (salt-fog per ASTM B117) is recommended for reliability assessment. The 345-098-544-858 is not recommended for chlorine gas, sulfur dioxide, or other reactive chemical exposures without additional protective enclosure design.
How should the 345-098-544-858 be specified and procured for long-term supply chain stability and cost management?
The 345-098-544-858 carries manufacturer part number 345-098-544-858 and base product number 345-098, indicating a standardized Mercury connector in the 345 series. Procurement of the 345-098-544-858 should reference the full part number and confirm RoHS3 compliance and REACH unaffected status with distributors, as alternative plating or insulation material options may exist under the base number 345-098. The 345-098-544-858 is classified under HTSUS code 8536.69.4040 for tariff and import documentation purposes. EAR99 classification of the 345-098-544-858 ensures minimal export control restrictions. Long-term availability of the 345-098-544-858 should be verified through Mercury United Electronics directly, as the 0.100" pitch and wire wrap termination represent legacy technology with declining market demand; alternative sourcing or design migration planning is prudent for projects with multi-year production horizons.

Parts with Similar Specifications

The three parts on the right have similar specifications to EDAC Inc. 345-098-544-858

Product Attribute 345-098-544-588 345-098-544-878 345-098-544-888 345-098-544-808
Part Number 345-098-544-588 345-098-544-878 345-098-544-888 345-098-544-808
Manufacturer EDAC Inc. EDAC Inc. EDAC Inc. EDAC Inc.
Pitch - - - -
Card Thickness - - - -
Number of Rows - - - -
Flange Feature - - - -
Number of Positions/Bay/Row - - - -
Gender - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Card Type - - - -
Number of Positions - - - -
Read Out - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Material - Insulation - - - -
Contact Material - - - -
Series - - - -
Termination Rows - - - -
Contact Type - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Features - - - Simultaneous Sampling
Contact Finish - - - -
Termination - - - -
Contact Finish Thickness - - - -
Color - - - -

345-098-544-858 Datasheet PDF

Download 345-098-544-858 pdf datasheets and EDAC Inc. documentation for 345-098-544-858 - EDAC Inc..

Datasheets
345,395 Series Ordering Guide.pdf 345-098-544-858 Drawing.pdf
HTML Datasheet
345-098-544-858 Drawing.pdf
Environmental Information
EDAC REACH.pdf

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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.

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

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345-098-544-858 Image

345-098-544-858

EDAC Inc.
98D-345-098-544-858

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