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Home > Products > Connectors, Interconnects > Card Edge Connectors - Edgeboard Connectors > 346-066-526-201
EDAC Inc.
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346-066-526-201

In Stock 3355 pcs Reference Price(In US Dollars)
25+
$9.5736
Manufacturer Part Number:
346-066-526-201
Manufacturer / Brand
EDAC Inc.
Part of Description:
CONN EDGE DUAL FMALE 66POS 0.125
Datasheets:
346-066-526-201(1).pdf346-066-526-201(2).pdf346-066-526-201(3).pdf
Lead Free Status / RoHS Status:
ROHS3 Compliant
Stock Condition:
New original, 3355 pcs Stock Available.
ECAD Model:
Ship From:
Hong Kong
Shipment Way:
DHL/Fedex/TNT/UPS

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Part Number 346-066-526-201
Manufacturer / Brand EDAC Inc.
Stock Quantity 3355 pcs Stock
Category Connectors, Interconnects > Card Edge Connectors - Edgeboard Connectors
Description CONN EDGE DUAL FMALE 66POS 0.125
Lead Free Status / RoHS Status: ROHS3 Compliant
Termination Rows 2
Termination Solder
Series 346
Read Out Dual
Pitch 0.125" (3.18mm)
Package Box
Operating Temperature -40°C ~ 105°C
Number of Rows 2
Number of Positions/Bay/Row 33
Number of Positions 66
Mounting Type Through Hole
Material - Insulation Polyester Thermoplastic
Gender Female
Flange Feature -
Features -
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 346-066

Packaging & ESD

Industry-standard static shielding packaging is used for electronic components.Anti-static, light-transparent materials allow easy identification of ICs and PCB assemblies.
The packaging structure provides electrostatic protection based on Faraday cage principles.This helps protect sensitive components from static discharge during handling and transportation.


All products are packed in ESD-safe anti-static packaging. Outer packaging labels include part number, brand, and quantity for clear identification. Goods are inspected prior to shipment to ensure proper condition and authenticity.

ESD protection is maintained throughout packing, handling, and global transportation. Secure packaging provides reliable sealing and resistance during transit. Additional cushioning materials are applied when required to protect sensitive components.

QC(Part Testing by IC Components)Quality Warranty

We can offer worldwide express delivery service, such as DHLor FedEx or TNT or UPS or other forwarder for shipment.

Global Shipment by DHL/FedEx/TNT/UPS

Shipping Fees reference DHL/FedEx
1). You can offer your express delivery account for shipment, ifyou haven’t any express account for shipment, we can offer our account inadvance.
2). Use our account for shipment, Shipment charges(Reference DHL/FedEx, Different Countries has different price.)
Shipment charges： (Reference DHL and FedEX)
Weight(KG): 0.00kg-1.00kg Price(USD$) : USD$60.00
Weight(KG): 1.00kg-2.00kg Price(USD$) : USD$80.00
* The price of cost is reference with DHL/FedEx. The detail charges, please contact us. Different country the express charges are different.



We accept the payment terms: Telegraphic Transfer(T/T), Credit Card, PayPal and Western Union.

PayPal:

PayPal Bank Information:
Company Name : IC COMPONENTS LTD
Paypal ID: Info@IC-Components.com

BANK TRANSFAR (Telegraphic Transfer)

Payment For Telegraphic Transfers:
Company Name : IC COMPONENTS LTD Beneficiary Account Number : 549-100669-701
Beneficiary Bank name : Bank of Communications (Hong Kong) Ltd Beneficiary Bank Code : 382 (for local payment)
Beneficiary Bank SWIFT : COMMHKHK
Beneficiary Bank Address : Tsuen Wan Market Street Branch 53 Market Street, Tsuen Wan N.T., Hong Kong

Any inquires or questions, please kindly contact us Email: Info@IC-Components.com


Frequently Asked Questions

What card thickness range does the 346-066-526-201 support, and what should I check before using it in a legacy backplane or custom PCB?
The 346-066-526-201 is specified for 0.054" to 0.070" card thickness. Before using it in a legacy backplane or custom PCB, verify the finished board thickness including plating, solder mask buildup, and any fabrication tolerance stack-up. If the card is near the edges of that range, confirm insertion force, retention, and contact wipe during assembly, since those factors can change when the board is slightly thin or thick.
Can the 346-066-526-201 be used as a replacement for another 66-position dual-edge card connector?
The 346-066-526-201 can be a practical replacement only if the replacement candidate matches the 66-position, dual-edge, 0.125" pitch geometry and the same card thickness window. In retrofit work, the main risks are footprint mismatch, row spacing, solder tail pattern, and board keep-out differences. Check the mechanical drawing for the exact pattern before swapping it into an existing design.
Is the 346-066-526-201 suitable for industrial equipment that sees temperature swings and long service life?
The 346-066-526-201 is rated for -40°C to 105°C, which fits many industrial environments. For long service life, also evaluate vibration, connector fretting, insertion cycles, and contamination exposure, because those factors often determine field reliability more than the nominal temperature range alone. A gold-plated contact helps with corrosion resistance, but system-level sealing and board support still matter.
What should I consider when routing traces to a board that uses the 346-066-526-201?
With the 346-066-526-201, route traces so that the connector footprint does not force acute angles, neck-downs, or clearance violations near the edge of the PCB. Dual-edge connectors often demand careful pin assignment across both rows to avoid crossing sensitive signals or power returns. If the connector carries mixed-signal or higher-speed lines, keep the return path continuous and avoid unnecessary stubs near the edge fingers.
Does the 346-066-526-201 work for both power and signal cards, or is it better for one type of interface?
The 346-066-526-201 can be used for either, but the actual suitability depends on current per contact, pin assignment, and heat rise in the enclosure. For power-bearing cards, confirm conductor width, allowable contact loading, and system derating. For signal-heavy cards, verify that the connector geometry and the backplane layout meet your impedance, crosstalk, and reference-plane requirements.
What is the practical difference between the 346-066-526-201 and a connector with a different plating thickness?
The 346-066-526-201 uses 10.0 µin gold contact finish, which is commonly chosen for better mating durability and resistance to oxidation in low-level signal interfaces. If you compare it with a thicker-gold version, the thicker plating may better tolerate harsh mating conditions or more cycles, while a thinner or unplated option may reduce cost but usually raises contact reliability concerns in demanding environments.
Can I use the 346-066-526-201 in a design that will be assembled by hand soldering?
Yes, the 346-066-526-201 has through-hole solder termination, so it can be hand assembled in low-volume builds. The main design checks are hole size, solder wetting, and connector alignment before reflow or manual soldering. For production, confirm whether the board process uses wave solder, selective solder, or manual assembly, since connector coplanarity and retention during soldering can affect final quality.
What should I verify if I am replacing an older Mercury United Electronics connector with the 346-066-526-201?
When moving to the 346-066-526-201, verify the exact footprint, board thickness compatibility, and row orientation against the older part. Even within the same family, small differences in mounting detail or contact geometry can change insertion force and mating location. It is also worth checking whether the previous design depended on a different contact finish, since that can affect low-level signal behavior over time.
Is the 346-066-526-201 appropriate for low-current, high-reliability signal paths?
The 346-066-526-201 is often a reasonable choice for low-current signal paths because gold-plated contacts generally support stable contact resistance in clean mating environments. For high-reliability use, the surrounding system still needs proper strain relief, board support, and controlled mating cycles. If the application is exposed to vibration or intermittent motion, confirm that the connector’s retention and enclosure design limit micro-motion at the contact interface.
What risks should I watch for when using the 346-066-526-201 in a new custom PCB layout?
With the 346-066-526-201, the main risks are footprint mismatch, insufficient edge clearance, and not accounting for the card thickness tolerance range. Because it is a dual-row, 66-position edge connector, the layout needs accurate alignment between the PCB edge and the contact entry point. It is also useful to review board warp limits, since edge connectors can become harder to mate cleanly if the card is bowed or twisted.

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346-066-526-201

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EDAC Inc.

CONN EDGE DUAL FMALE 66POS 0.125

In Stock: 3355

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