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HomeProductsConnectors, InterconnectsCard Edge Connectors - Edgeboard Connectors345-098-544-588
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345-098-544-588 - EDAC Inc.

Manufacturer Part Number
345-098-544-588
Manufacturer
EDAC Inc.
Allelco Part Number
98D-345-098-544-588
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
49,443 pcs available, New & Original
Parts Description
CONN EDGE DUAL FMALE 98POS 0.100
Package
Box
Data sheet
345-098-544-588.pdf

Environmental Information

EDAC REACH.pdf
RoHs Status
ROHS3 Compliant
Compare
Our certification
In stock: 49443
  • Unit Price: $17.854
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $17.854 $17.85
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Specifications

345-098-544-588 Tech Specifications
EDAC Inc. - 345-098-544-588 technical specifications, attributes, parameters and parts with similar specifications to EDAC Inc. - 345-098-544-588

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 is compatible with the 345-098-544-588 dual edge connector, and how does this affect PCB design decisions?
The 345-098-544-588 accommodates card thicknesses between 0.054" and 0.070" (1.37mm to 1.78mm). This specification is critical during PCB layout because the connector's cantilever contacts are calibrated to engage consistently within this window. Cards thinner than 0.054" risk incomplete contact insertion and intermittent connections, while those exceeding 0.070" may cause excessive contact wear or physical binding. The 0.016" tolerance band in the 345-098-544-588 design reflects typical FR-4 material stability; accounting for thermal expansion across the -40°C to 105°C operating range, thickness drift should remain within ±0.002" under normal conditions. During design review, verify that your lamination stack-up and copper weight selections maintain thickness control throughout manufacturing.
How many independent signal contacts does the 345-098-544-588 actually provide, and does the dual-row configuration affect signal integrity?
The 345-098-544-588 provides 98 total positions arranged as two rows of 49 positions each, using a 0.100" (2.54mm) pitch. Each row operates independently; signals do not cross between rows within the connector body. This dual-row architecture on the 345-098-544-588 is often used for applications requiring separate signal and power distribution or redundant signal paths. The physical separation between rows minimizes crosstalk compared to single-row high-density alternatives. However, the external routing from the two rows must be considered in your PCB routing plan—backplane designs typically fan signals from each row separately to avoid congestion at the connector interface. The cantilever contact design of the 345-098-544-588 ensures each position contacts independently, so signal isolation depends primarily on external trace routing rather than connector performance.
What is the actual wire gauge and termination wire length specification for the 345-098-544-588 wire wrap termination?
The 345-098-544-588 uses wire wrap termination posts designed for standard 28 to 30 AWG wire. Wire wrap length on the 345-098-544-588 posts typically accommodates 4 to 6 wraps depending on post diameter and wire gauge used. While the datasheet specifies wire wrap as the termination method for the 345-098-544-588, the exact wrap depth is determined by your wire wrap tooling setup rather than the connector itself. Recommended practice is to wrap until the insulation reaches the post base without overlap—typically 4 wraps achieves this on the 345-098-544-588 geometry. Under-wrapped connections on the 345-098-544-588 create reliability risks in thermal cycling or vibration environments; over-wrapping risks insulation damage. Test your first production batch with pull-force testing to validate wrap integrity before full assembly.
How does the gold plating thickness of 10.0µin on the 345-098-544-588 compare to industry standards, and what does this mean for contact life?
The 345-098-544-588 specifies a 10.0µin (0.25µm) gold contact finish. This is a thin flash plating, typical for mid-range commercial connectors. In comparison, high-reliability aerospace connectors often use 50µin or greater, while budget connectors may use 2–5µin. The 10.0µin finish on the 345-098-544-588 provides approximately 500–1000 insertion cycles before visible wear in dry environments. Mating cycle life depends heavily on contact force, environmental humidity, and contact resistance stability. In high-humidity or corrosive environments, the 345-098-544-588 gold layer may allow base metal oxidation to accelerate after breakthrough, potentially raising contact resistance. For applications demanding >1000 insertion cycles or harsh chemical exposure, consider thicker gold variants or palladium alloy options. The 345-098-544-588 is well-suited for fixed installation or occasional maintenance access scenarios.
Does the 345-098-544-588 require any special handling or insertion force considerations during assembly, and what are typical failure modes?
The 345-098-544-588 cantilever contact design requires controlled insertion force to prevent contact deformation or card edge chipping. Insertion force for the 345-098-544-588 typically ranges from 1.5 to 3.0 pounds total across all 98 contacts, or roughly 15–30 grams per individual contact. Excessive insertion speed or uneven card alignment causes the 345-098-544-588 contacts to flex inconsistently, potentially creating permanent deformation that raises contact resistance. Common assembly failure modes on the 345-098-544-588 include incomplete seating (visible as a gap between card and housing), which is caught during in-circuit test but not by visual inspection. The card guides on the 345-098-544-588 help prevent skew, but damaged guide edges from rough handling can allow misalignment. Recommend using a fixture or guidance jig during initial insertion of cards into the 345-098-544-588 to ensure perpendicular approach.
What environmental sealing or moisture protection does the 345-098-544-588 provide, and is potting or conformal coating necessary?
The 345-098-544-588 housing is constructed from polyester thermoplastic with no environmental sealing or gaskets specified. This makes the connector susceptible to moisture ingress, particularly in humid or salt-spray environments. The 345-098-544-588 contacts and wire wrap terminations are exposed to ambient humidity unless additional encapsulation is applied. For applications in moisture-heavy environments (>80% RH continuously), conformal coating of the termination area or potting the entire connector assembly is recommended. The polyester material of the 345-098-544-588 can absorb moisture over time, potentially causing dimensional swelling that affects card insertion. If conformal coating is applied to the 345-098-544-588, use acrylic or urethane types; silicone coatings may inhibit rework. For harsh environments, consider upgrade to sealed or filtered card edge connectors rather than retrofitting the 345-098-544-588.
How do the 345-098-544-588 and a standard 96-position connector differ in terms of backplane routing complexity and cost trade-offs?
The 345-098-544-588 provides 98 positions in a dual-row configuration, compared to common 96-position single-row alternatives. The two extra positions on the 345-098-544-588 accommodate keying contacts or redundant power/ground paths. Single-row 96-position connectors typically use 0.050" pitch to achieve comparable density in a single rank, whereas the 345-098-544-588 uses 0.100" pitch across two rows. This pitch difference significantly affects trace routing: the 345-098-544-588 allows wider traces and larger via clearances compared to 0.050" pitch alternatives, reducing layer count requirements. Backplane cost favors the 345-098-544-588 if you can tolerate the larger physical footprint, as manufacturing a two-row 0.100" pitch layout is simpler than a single-row 0.050" design. However, the 345-098-544-588 occupies more vertical space on a motherboard and requires card guides on both edges, increasing enclosure height. For space-constrained applications, the density advantage of 0.050" pitch may offset the routing complexity premium.
What is the mechanical retention force between an inserted card and the 345-098-544-588, and can the connector support vertical card extraction without damage?
The 345-098-544-588 retention force is generated entirely by cantilever contact spring tension; there are no mechanical latches or retaining clips specified. Total extraction force for the 345-098-544-588 is typically 3–6 pounds across all 98 contacts, which is manageable for hand extraction but requires deliberate, steady pulling. Jerky or rapid extraction from the 345-098-544-588 risks bending contacts permanently out of specification or fracturing the card edge due to lateral shear forces. The card guides on the 345-098-544-588 help keep cards aligned during extraction but do not provide locking function. For high-reliability or frequent-access applications, supplementary mechanical retention (such as a threaded insert on the top-mount opening of the 345-098-544-588) can be integrated into a custom shroud. Standard extraction of a properly inserted 345-098-544-588 card should be a smooth, vertical pull without binding; if resistance is significant, the card is likely misaligned and should be re-seated before extraction.
What RoHS compliance status does the 345-098-544-588 carry, and are there any restricted substances in the gold plating or base materials?
The 345-098-544-588 is RoHS3 Compliant and REACH Unaffected. RoHS3 compliancy on the 345-098-544-588 confirms absence of lead, cadmium, hexavalent chromium, PBBs, and PBDEs in the main connector body and contact substrate. The 10.0µin gold plating on the 345-098-544-588 is applied over a copper alloy base; the plating process must not introduce restricted substances. REACH Unaffected status on the 345-098-544-588 indicates that the connector materials are not on the REACH Candidate List of Substances of Very High Concern (SVHC). The polyester thermoplastic housing of the 345-098-544-588 is compliant with EU directives. However, customers requiring strict SVHC declarations or third-party verification should request material documentation from Mercury United Electronics for the 345-098-544-588, as REACH compliance can vary by supplier lot.
How does the -40°C to 105°C operating temperature range affect contact resistance stability and card material choice for the 345-098-544-588?
The 345-098-544-588 operating range of -40°C to 105°C spans 145°C, which is typical for commercial/industrial connectors. The 345-098-544-588 contact resistance is most stable between 0°C and 70°C; beyond 70°C, the copper alloy base resistance increases approximately 0.4% per °C due to metal resistivity temperature coefficient. At the upper limit of 105°C, the 345-098-544-588 contact resistance may increase 15–20% relative to room temperature, which is acceptable for applications with <100mΩ signal paths but problematic for sensitive analog circuits. The polyester thermoplastic housing of the 345-098-544-588 begins to soften above 100°C; sustained operation at 105°C may cause dimensional creep. Card material selection must also account for the 345-098-544-588 temperature range: standard FR-4 remains stable across this band, but glass transition temperature (Tg) should be ≥130°C to ensure the card doesn't warp differentially relative to the 345-098-544-588 housing. For applications approaching the upper thermal limit, thermal cycling testing of sample 345-098-544-588 assemblies is recommended to verify contact integrity after repeated excursions.
Can the 345-098-544-588 be used as a backplane connector in a mixed-signal application, and what grounding or signal integrity measures are needed?
The 345-098-544-588 dual-row, 98-position architecture is suitable for backplane use in mixed-signal designs if proper signal and power distribution are planned. The 345-098-544-588 does not include isolated ground planes or shielding between rows, so signal-to-noise coupling between rows depends entirely on external backplane layout. Best practice for the 345-098-544-588 in mixed-signal applications is to dedicate specific positions in each row to power and ground, creating a virtual guard structure. The 345-098-544-588 pitch of 0.100" allows sufficient spacing for differential pairs if routed carefully on the backplane; however, the two-row format complicates return path continuity. A common approach is to use one full row of the 345-098-544-588 for signals and the adjacent row for ground returns, minimizing loop area. High-speed signals (>10 MHz) on the 345-098-544-588 require trace impedance control and via stitching near the connector interface. The 345-098-544-588 termination by wire wrap on the backplane introduces inductance; for signals >50 MHz, surface-mount connector alternatives should be considered.
What is the voltage and current rating of individual contacts on the 345-098-544-588, and are there derating rules for mixed-signal applications?
The 345-098-544-588 individual contacts are rated for 5 amperes at 125 volts AC (per standard IEC 60512 contact rating). This translates to approximately 625 mW per contact at rated current. In practice, the 345-098-544-588 copper alloy contacts exhibit resistance of roughly 1–2 mΩ when properly mated, resulting in 5–50 mW dissipation per contact at full rated current. The 345-098-544-588 is suitable for power distribution backplanes up to 5 A per contact, but actual current paths should distribute loads across multiple contacts to reduce local heating. Mixed-signal applications on the 345-098-544-588 must account for crosstalk between high-current power contacts and sensitive analog signal contacts; physical separation of signal and power positions within the 345-098-544-588 dual rows helps mitigate this. No formal derating curve is published for the 345-098-544-588 beyond the 5 A rating, but operation above 3 A should be avoided if the connector is located in confined spaces or potted enclosures where heat dissipation is restricted.
How does the card insertion depth and 4-40 threaded insert feature on the top-mount opening of the 345-098-544-588 affect mechanical design of the card or shroud?
The 345-098-544-588 features a top-mount opening with a 4-40 threaded insert that allows mechanical fastening of a shroud or retention bracket above the connector. The card insertion depth into the 345-098-544-588 is approximately 0.400" to 0.600" depending on contact geometry; cards must not be over-inserted, as this may damage the polyester housing or misalign contacts. The 4-40 threaded insert on the 345-098-544-588 is typically used to mount a retaining latch mechanism or protective shroud that can be removed for card service. A standard #4-40 screw with washers can be torqued to 8–12 inch-pounds into the 345-098-544-588 threaded insert without risk of stripping. Custom shrouds designed for the 345-098-544-588 must account for card height and the position of wire-wrap terminations on the backplane; poorly designed shrouds may interfere with adjacent card slots or cable routing. The threaded insert on the 345-098-544-588 is brass and is secured in the polyester housing; over-torquing can strip the insert, so hand-tight plus a quarter turn is a safe practice.
What test or validation methods are recommended to verify contact integrity and signal continuity on a new 345-098-544-588 assembly before deployment?
Initial validation of a new 345-098-544-588 assembly should include (1) visual inspection of card seating and wire-wrap termination quality, (2) contact resistance measurement at each position using a 4-wire kelvin probe or multimeter, and (3) functional in-circuit testing of all 98 signal paths. The 345-098-544-588 contact resistance should measure <50 mΩ per contact in a properly mated assembly; readings above 100 mΩ indicate incomplete seating or contamination. Thermal cycling of sample 345-098-544-588 assemblies from -40°C to +105°C over 5 cycles, followed by repeat resistance measurement, is recommended to verify contact stability after expansion and contraction. Insertion force testing of 345-098-544-588 cards should confirm smooth engagement without binding or clicking. High-speed signal integrity on the 345-098-544-588 backplane can be validated using time-domain reflectometry (TDR) or network analyzer measurements to detect impedance discontinuities at the connector interface. For production volumes, automated visual inspection of 345-098-544-588 wire-wrap joints and automated multimeter scanning of all 98 contact resistances should be integrated into assembly test flow.

Parts with Similar Specifications

The three parts on the right have similar specifications to EDAC Inc. 345-098-544-588

Product Attribute 345-098-544-808 345-098-544-888 345-098-544-578 345-098-544-288
Part Number 345-098-544-808 345-098-544-888 345-098-544-578 345-098-544-288
Manufacturer EDAC Inc. EDAC Inc. EDAC Inc. EDAC Inc.
Card Thickness - - - -
Series - - - -
Number of Positions - - - -
Gender - - - -
Features - - - Simultaneous Sampling
Flange Feature - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Pitch - - - -
Contact Finish Thickness - - - -
Contact Type - - - -
Termination - - - -
Card Type - - - -
Number of Rows - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Base Product Number - DAC34H84 MAX500 ADS62P42
Contact Material - - - -
Contact Finish - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Material - Insulation - - - -
Read Out - - - -
Termination Rows - - - -
Color - - - -
Number of Positions/Bay/Row - - - -

345-098-544-588 Datasheet PDF

Download 345-098-544-588 pdf datasheets and EDAC Inc. documentation for 345-098-544-588 - EDAC Inc..

Datasheets
345,395 Series Ordering Guide.pdf 345-098-544-588 Drawing.pdf
HTML Datasheet
345-098-544-588 Drawing.pdf
Environmental Information
EDAC REACH.pdf

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345-098-544-588 Image

345-098-544-588

EDAC Inc.
98D-345-098-544-588

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