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Home > Products > Connectors, Interconnects > Card Edge Connectors - Edgeboard Connectors > 345-066-559-478
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345-066-559-478

In Stock 1307 pcs Reference Price(In US Dollars)
25+
$26.249
Manufacturer Part Number:
345-066-559-478
Manufacturer / Brand
EDAC Inc.
Part of Description:
CONN EDGE SINGLE FML 66POS 0.100
Datasheets:
345-066-559-478(1).pdf345-066-559-478(2).pdf345-066-559-478(3).pdf
Lead Free Status / RoHS Status:
ROHS3 Compliant
Stock Condition:
New original, 1307 pcs Stock Available.
ECAD Model:
Ship From:
Hong Kong
Shipment Way:
DHL/Fedex/TNT/UPS

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Part Number 345-066-559-478
Manufacturer / Brand EDAC Inc.
Stock Quantity 1307 pcs Stock
Category Connectors, Interconnects > Card Edge Connectors - Edgeboard Connectors
Description CONN EDGE SINGLE FML 66POS 0.100
Lead Free Status / RoHS Status: ROHS3 Compliant
Termination Rows 1
Termination Solder
Series 345
Read Out Single
Pitch 0.100" (2.54mm)
Package Box
Operating Temperature -40°C ~ 105°C
Number of Rows 1
Number of Positions/Bay/Row 66
Number of Positions 66
Mounting Type Through Hole, Right Angle
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 - Single Edge
Card Thickness 0.054" ~ 0.070" (1.37mm ~ 1.78mm)
Base Product Number 345-066

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.

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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

For 345-066-559-478, what card thickness range should I verify before using it in an existing backplane or plugin card design?
The 345-066-559-478 is specified for 0.054" to 0.070" card thickness, so the first check is whether the mating PCB or edge card stack-up stays within that window after fab tolerances, solder mask, and any surface finish buildup. If the board is outside that range, insertion force, wipe length, and contact retention can shift enough to affect field reliability. For retrofit work, measure the actual manufactured thickness rather than relying only on the nominal PCB callout.
Can 345-066-559-478 be used when the host board needs a right-angle, through-hole edge connector instead of a vertical style?
Yes, 345-066-559-478 is a through-hole, right-angle card edge connector, so it fits layouts where the card or module plugs perpendicular to the host PCB. The main integration check is mechanical clearance for the card body, solder tails, and the required board-to-board spacing after accounting for the right-angle orientation and card guides.
Is 345-066-559-478 suitable for replacing a different 66-position, 2.54 mm single-edge connector in an older design?
345-066-559-478 can be a practical replacement only if the legacy part matches the same 66-position single-edge format, 0.100" pitch, right-angle through-hole footprint, and similar panel/keepout geometry. In migration work, the largest risks are not pin count but mating depth, card-edge chamfer compatibility, guide position, and flange hole alignment. A footprint check against the manufacturer drawing is usually needed before treating it as a drop-in substitute.
How does the gold contact finish on 345-066-559-478 affect long-term contact reliability in industrial equipment?
345-066-559-478 uses gold-plated contacts with 10.0 µin thickness over copper alloy, which generally supports low contact resistance and better oxidation resistance than unplated or tin-only contact systems. In industrial use, that tends to help when equipment sees low-level signals, intermittent mating cycles, or storage in less controlled environments. For harsh contamination or high-vibration service, the connector still depends on proper board support, mating alignment, and cleanliness of the card edge.
What should I check before using 345-066-559-478 in a design that already uses 3.3 V, 5 V, or mixed-signal cards?
345-066-559-478 is only the interconnect, so voltage compatibility depends on the card circuitry and the system architecture rather than the connector itself. The useful checks are creepage, clearance, trace spacing on the card edge, and whether the connector’s contact spacing and board-level routing support the intended signal and power domains. For mixed-signal boards, verify that the edge fingers assigned to ground, power, and sensitive signals are laid out to control return paths and crosstalk.
Is 345-066-559-478 a good choice for a design that needs frequent card insertion and removal?
345-066-559-478 can work in serviceable systems because the gold contact finish and cantilever contact style are commonly used for repeated mating, but the real limit is often mechanical alignment rather than the contact material alone. For frequent swaps, the card guides, board edge quality, and front-panel mechanics matter because side load can damage fingers or reduce contact consistency over time. It is worth checking the expected mating cycle requirement against the full connector and system-level wear budget.
What alternative parts should I compare against 345-066-559-478 if I need a similar 66-position card edge connector from another brand?
When comparing alternatives to 345-066-559-478, start with connectors that match 66 positions, single-edge readout, 2.54 mm pitch, through-hole right-angle mounting, and the same card-thickness range. The practical differences usually come from insertion profile, contact geometry, flange hardware, and how tolerant the part is to board thickness variation. Cross-check the exact PCB footprint and mechanical envelope before selecting a substitute from another manufacturer.
Can 345-066-559-478 be used in vibration-prone industrial assemblies?
345-066-559-478 includes card guides and a threaded-insert flange feature, which helps the connector sit more securely in a chassis-mounted assembly. For vibration-prone systems, the remaining concerns are fastener retention, enclosure stiffness, and whether the card itself is additionally supported so the edge contacts are not carrying mechanical load. If the assembly sees shock or continuous vibration, retention strategy at the system level matters as much as the connector choice.
Does 345-066-559-478 require any special PCB layout or hole-plating considerations?
345-066-559-478 is a through-hole connector, so hole size, plating quality, annular ring, and solder fillet formation should be checked against the recommended footprint. Because it is right-angle and uses solder termination, the holes need enough manufacturability margin for wave or selective soldering, and the PCB outline must preserve the card-edge alignment dictated by the guides. A quick DFM review is usually worthwhile before releasing the board.
When would 345-066-559-478 not be the right choice for a new design?
345-066-559-478 is less suitable when the design needs a different pitch, a higher-density connector, a vertical mating direction, or a very compact mezzanine-style interconnect. It can also be a poor fit if the card thickness is outside 0.054" to 0.070", if the mating card needs a different keying arrangement, or if the mechanical package cannot accommodate a threaded-insert, right-angle connector. In those cases, a connector family matched to the enclosure and stack-up usually reduces integration risk.

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345-066-559-478

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CONN EDGE SINGLE FML 66POS 0.100

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