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HomeProductsConnectors, InterconnectsCard Edge Connectors - Edgeboard Connectors395-068-555-212
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395-068-555-212 - EDAC Inc.

Manufacturer Part Number
395-068-555-212
Manufacturer
EDAC Inc.
Allelco Part Number
98D-395-068-555-212
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
43,389 pcs available, New & Original
Parts Description
CONN EDGE DUAL FMALE 68POS 0.100
Package
Box
Data sheet
395-068-555-212.pdf

Environmental Information

EDAC REACH.pdf
RoHs Status
ROHS3 Compliant
Compare
Our certification
In stock: 43389
  • Unit Price: $14.652
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $14.652 $14.65
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

395-068-555-212 Tech Specifications
EDAC Inc. - 395-068-555-212 technical specifications, attributes, parameters and parts with similar specifications to EDAC Inc. - 395-068-555-212

Product Attribute Attribute Value
Manufacturer EDAC Inc.
Termination Rows 2
Termination Solder Eyelet(s)
Series 395
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 34
Number of Positions 68
Mounting Type Board Edge, Straddle Mount
Product Attribute Attribute Value
Material - Insulation Polyester Thermoplastic
Gender Female
Flange Feature Flush Mount, Side Opening, Unthreaded, 0.128" (3.25mm) Dia
Features Card Extender
Contact Type Cantilever
Contact Material Copper Alloy
Contact Finish Thickness 10.0µin (0.25µm)
Contact Finish Gold
Color Black
Card Type Non Specified - Dual Edge
Card Thickness 0.054" ~ 0.070" (1.37mm ~ 1.78mm)
Base Product Number 395-068

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 395-068-555-212 dual edge connector support, and how does this affect PCB design layout?
The 395-068-555-212 accommodates card thicknesses between 0.054" and 0.070" (1.37mm to 1.78mm), which aligns with standard FR-4 PCB designs typically ranging from 0.062" nominal thickness. This tolerance band is critical during layout because undersized cards risk incomplete contact engagement in the cantilever spring stack, while oversized cards may cause excessive insertion force and potential contact wear. The dual edge configuration on the 395-068-555-212 means both sides of the PCB engage simultaneously, so thickness uniformity across the card is essential to prevent binding on one edge.
How does the 0.100" pitch on the 395-068-555-212 compare to finer-pitch edge connectors for high-density board applications?
The 395-068-555-212 uses 0.100" (2.54mm) pitch spacing, which is a legacy standard that delivers robust current-carrying capacity and straightforward signal integrity for moderate-speed applications. While finer pitches like 0.050" provide higher port density in the same connector footprint, the 395-068-555-212's spacing allows thicker conductors and better crosstalk isolation between adjacent signal lines. For applications requiring mixed analog and digital signals—such as test fixtures or industrial card cages—the 0.100" pitch on the 395-068-555-212 often reduces EMI filtering complexity and lowers the cost of associated PCB design rules.
What is the significance of the 10.0µin (0.25µm) gold contact finish on the 395-068-555-212 for long-term reliability in mated cycles?
The 10.0µin gold plating on the 395-068-555-212 provides a non-corrosive interface that resists oxidation and maintains low contact resistance across repeated insertion cycles. In environments with thermal cycling from -40°C to 105°C, the thin gold layer on the 395-068-555-212 acts as a diffusion barrier, preventing copper migration into adjacent contact surfaces. This thickness is specifically calibrated for cantilever contact designs; thicker gold can increase spring compression stress, while thinner plating accelerates wear and increases the risk of fretting corrosion during partial withdrawal events common in development and service scenarios.
Can the 395-068-555-212 be used as a card extender, and what electrical performance constraints apply?
The 395-068-555-212 is explicitly designed with card extender capability, enabling a daughter board to be positioned outside the system chassis for diagnostics, prototyping, or thermal isolation. As a card extender configuration, the 395-068-555-212 introduces trace length differences between signal paths on the extended board and those on the host backplane. For signal integrity in applications exceeding 10 MHz, controlled impedance routing and matched trace lengths become essential; the dual 34-position rows on the 395-068-555-212 mean designers must account for propagation delay skew when extending high-speed data buses or clock signals.
How does the polyester thermoplastic insulation material on the 395-068-555-212 perform under sustained thermal stress compared to phenolic alternatives?
The polyester thermoplastic insulation on the 395-068-555-212 maintains dimensional stability within the operating range of -40°C to 105°C and offers superior moisture resistance compared to phenolic materials, which can absorb humidity and degrade contact pressure over time. However, polyester on the 395-068-555-212 has a lower modulus than phenolic, meaning the cantilever contact spring force may relax more noticeably if the connector experiences prolonged exposure near the 105°C upper limit. In applications with ambient temperatures consistently above 85°C, thermal cycling effects on the 395-068-555-212's contact retention force should be validated through accelerated life testing rather than relying solely on room-temperature specifications.
What mounting and retention method does the 395-068-555-212 use, and are threaded fasteners required?
The 395-068-555-212 features a flush mount, side-opening flange with unthreaded 0.128" diameter holes, designed for straddle mounting directly onto the board edge without additional mechanical fasteners. This simplifies assembly and reduces cost, but the 395-068-555-212's retention relies entirely on the precision fit between the card thickness and the connector body. In high-vibration environments (such as aerospace or mobile test platforms), the unthreaded flange design on the 395-068-555-212 may require supplemental mechanical retention—such as guide rails or strain relief clips—to prevent micro-motion and intermittent contact loss.
How do the dual-read and dual-edge configurations of the 395-068-555-212 differ from single-edge connectors in terms of signal routing and availability?
The dual-read, dual-edge design of the 395-068-555-212 provides 68 total contact positions split across two rows with two engagement surfaces per card insertion. This architecture is distinct from single-edge connectors because it allows the 395-068-555-212 to support redundant signal paths, cross-connect configurations, or segregation of high-current power distribution from sensitive analog signals. In applications such as modular test racks or industrial control modules, the dual-edge topology of the 395-068-555-212 enables independent signal domains to occupy the same physical connector envelope, reducing overall module footprint while maintaining galvanic isolation through selective termination practices.
What contact material and finish configuration on the 395-068-555-212 should be specified for applications involving high-frequency analog signals or precision measurement?
The 395-068-555-212 uses copper alloy contacts with gold plating, a combination optimized for moderate-frequency (DC to tens of MHz) analog and digital applications. The copper alloy base provides good thermal conductivity and spring memory, while the 10.0µin gold finish minimizes contact resistance variation across temperature cycles. However, for precision RF or high-frequency analog work above 100 MHz, the 395-068-555-212's contact architecture may introduce uncontrolled inductance due to the 2.54mm pitch and dual-row layout; designers should measure return loss and verify impedance matching in prototype testing rather than assuming the 395-068-555-212 is suitable for broadband applications without characterization.
What are the typical current-handling limits for individual contacts on the 395-068-555-212, and how does dual-row termination affect power distribution?
While the 395-068-555-212 datasheet specifies cantilever contact geometry and 10.0µin gold plating, individual contact current capacity depends on contact resistance, insertion force, and ambient temperature. The copper alloy contacts on the 395-068-555-212 typically support 1–3 amperes per contact at room temperature with standard insertion force; however, the dual-row configuration means current must be distributed across multiple contacts if high aggregate power is required. In designs where the 395-068-555-212 carries both signal and power, locating power contacts in one row and signals in the other reduces crosstalk and allows independent thermal management, though voltage drops across the 395-068-555-212 contacts should be measured under full load to validate system-level performance.
Is the 395-068-555-212 suitable for applications requiring frequent insertion and removal cycles, and what wear mechanisms should be anticipated?
The 395-068-555-212 is designed for repeated mating, with the gold-plated cantilever contacts engineered to maintain consistent spring force across mechanical cycles. However, each insertion on the 395-068-555-212 introduces minor abrasion to the contact surfaces; after 50–100 cycles, fretting wear becomes observable under magnification. The unthreaded, side-opening flange on the 395-068-555-212 allows smooth card insertion without bind, but partial withdrawal or repeated small movements during troubleshooting can accelerate wear in localized contact regions. For test fixtures or development environments where the 395-068-555-212 may be cycled hundreds of times, contact resistance should be periodically re-measured, and replacement should be scheduled when resistance drift exceeds 50mΩ or visible contamination is detected.
How does the 395-068-555-212 perform in applications requiring RoHS and REACH compliance, and are there material substitution constraints?
The 395-068-555-212 is RoHS3 compliant and REACH unaffected, indicating compliance with European environmental directives and suitability for supply chains serving EU markets. The polyester thermoplastic insulation and gold-plated copper alloy contacts on the 395-068-555-212 meet these standards without exotic material substitutions. However, because the 395-068-555-212 is manufactured under these constraints, substitution with non-compliant variants (such as unplated or nickel-finish alternatives) is not advisable for new designs; existing inventory of the 395-068-555-212 should be validated for compliance documentation before use in regulated end-markets such as medical devices or automotive applications.
What are the practical design considerations for integrating the 395-068-555-212 into a custom card cage or backplane assembly?
Integrating the 395-068-555-212 requires careful mechanical alignment because the dual-row, dual-edge configuration means the connector body must be precisely perpendicular to the backplane to ensure balanced engagement on both card surfaces. The flush-mount flange on the 395-068-555-212 simplifies integration but offers minimal alignment tolerance; mechanical guides or alignment pins should be incorporated into the backplane design to prevent skew during assembly. The 0.100" pitch on the 395-068-555-212 makes hand assembly of daughter cards feasible, but insertion forces typically exceed 2–4 pounds per edge due to the cantilever contact design; assembly procedures should include ergonomic handles or mechanical insertion tools to prevent operator fatigue and ensure controlled, perpendicular card insertion that avoids binding the 395-068-555-212 contacts.

Parts with Similar Specifications

The three parts on the right have similar specifications to EDAC Inc. 395-068-555-212

Product Attribute 395-068-555-512 395-068-555-202 395-068-555-201 395-068-555-258
Part Number 395-068-555-512 395-068-555-202 395-068-555-201 395-068-555-258
Manufacturer EDAC Inc. EDAC Inc. EDAC Inc. EDAC Inc.
Card Type - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Contact Finish - - - -
Contact Material - - - -
Flange Feature - - - -
Series - - - -
Read Out - - - -
Number of Rows - - - -
Contact Type - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Color - - - -
Pitch - - - -
Contact Finish Thickness - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Material - Insulation - - - -
Termination - - - -
Gender - - - -
Card Thickness - - - -
Termination Rows - - - -
Number of Positions - - - -
Features - - - Simultaneous Sampling
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Number of Positions/Bay/Row - - - -

395-068-555-212 Datasheet PDF

Download 395-068-555-212 pdf datasheets and EDAC Inc. documentation for 395-068-555-212 - EDAC Inc..

Datasheets
395-068-555-212 Drawing.pdf
Environmental Information
EDAC REACH.pdf

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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.

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Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

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America United States 5
Brazil 7
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United Kingdom 4
Italy 5
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New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.
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395-068-555-212 Image

395-068-555-212

EDAC Inc.
98D-395-068-555-212

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