What are Card Edge Connectors ?
Card Edge Connectors are specialized interconnect devices designed to connect printed circuit boards (PCBs) to other boards or cables. They are commonly used in applications such as production electronics assembly, maintenance, and engineering evaluation. Important specifications for selection include mechanical compatibility, lifecycle status, and electrical performance, as these factors ensure reliable operation and integration within existing designs. Procurement teams should validate lifecycle status and consider alternate-source options to mitigate supply chain risks.
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Samtec Inc.
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TE Connectivity
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Edac
<p>The 307-240-328 is a polarizing key accessory designed for use with EDAC 307 series card edge connectors. It is an in-contact, dual row keying plug that ensures proper orientation during mating. The key is compatible with connectors having 3.96mm (0.156 in) contact spacing and 5.08mm (0.200 in) row spacing.</p><p> </p><p>Constructed from thermoplastic polyester with a UL 94V-0 flammability rating, the key is suitable for applications requiring high reliability and safety. It operates over a temperature range of -40°C to +105°C, making it suitable for a wide variety of environments.</p><p> </p><p>The key is intended for use in card edge connector systems and is part of the 307 series accessory family. It is RoHS compliant and REACH unaffected, though compliance data is unverified. This accessory is ideal for design engineers needing to polarize dual-row connectors.</p>
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Sullins Connector Solutions
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3M Electronic Solutions
<p>The 3M 3462-0000 is a 26-position dual female card edge connector from the 3000 Series, designed with .100" (2.54mm) pitch and drilled mounting flanges for panel mount applications. It accepts 26 and 28 AWG solid or stranded wires via IDC termination, providing a reliable connection to PC boards.</p><p> </p><p>Electrical specifications include a current rating of 1 A, insulation resistance greater than 1×10⁹ Ω at 500 VDC, and withstanding voltage of 1000 VRMS at sea level. The operating temperature range is -55°C to 105°C.</p><p> </p><p>Mechanically, the connector features bifurcated contacts with gold plating (30 μ″ gold over 100 μ″ nickel) for reliable performance. The insulation is glass-filled polyester (PBT) with UL 94V-0 flammability rating. Metal cover clips provide superior cover retention, and standard drilled mounting flanges simplify installation.</p><p> </p><p>The connector is RoHS compliant and supports dual readout, with 26 total positions arranged in two rows of 13. The housing is gray.</p>
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3M Electronic Solutions
<p>The 3M 3461-0001 is a 20 position dual female edgeboard connector from the Pak 100 Card-Edge 3000 Series. It is designed for free hanging (in-line) mounting and uses IDC termination for wire sizes 26 and 28 AWG solid and stranded. The connector has a pitch of 2.54mm (0.100 inch) and a card slot thickness range of 0.054 inch to 0.070 inch (1.37mm to 1.78mm).</p><p> </p><p>Electrical specifications include a current rating of 1 A, insulation resistance greater than 1 x 10^9 ohms at 500 VDC, and a withstanding voltage of 1000 Vrms at sea level. The operating temperature range is -55°C to +105°C.</p><p> </p><p>The housing is made of gray glass filled polyester (PBT) with a UL 94V-0 flammability rating. Contacts are made of copper alloy with a gold plating thickness of 30 microinches (0.76 micrometers) in the wiping area and a nickel underplating. The connector is RoHS compliant and reads out dual contacts for reliable connection with PC boards.</p>
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ATTEND Technology
<p>The ATTEND Technology 119A-56A00-R02 is a Mini PCI Express Socket designed for PCI Express Mini Card applications. This female connector features 52 positions in a dual-row configuration with a 0.80mm pitch. The connector is surface mount with solder termination, and the contacts are made of phosphor bronze with gold flash plating. The housing is LCP material rated UL94 V-0, black in color. Key features include board guide and solder retention for easy assembly. Electrical ratings are 50V AC and 0.5A, with contact resistance of 30 mΩ max. Operating temperature range is -40°C to +85°C. The connector is supplied in tape and reel packaging for automated assembly. RoHS compliant.</p>
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Samtec Inc.
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Edac
<p>The 337-086-520-202 is a 86-position dual female card edge connector from the Edac 337 series. It features a 0.156" (3.96mm) contact pitch with a dual row configuration and dual readout, providing reliable connection for edge card applications. The connector uses cantilever contacts made of copper alloy with a gold finish of 10.0µin (0.25µm) for excellent conductivity and corrosion resistance.</p><p> </p><p>This through-hole connector is terminated by solder, making it suitable for permanent PCB mounting. The flush mount flange with unthreaded 0.128" diameter holes allows for secure panel attachment. The operating temperature range spans -40°C to 105°C, accommodating a wide variety of environments. The connector is designed for non-specified dual edge cards with a card thickness of 0.054" to 0.070" (1.37mm to 1.78mm).</p><p> </p><p>Typical applications include power supplies, storage devices, and navigational equipment, as indicated in the datasheet. The 337 series offers multiple contact and mounting options, and this part includes polarization for correct alignment. The green insulator and gold contacts are standard for this series.</p>
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TE Connectivity
<p>The TE Connectivity 7-1734857-5 is a PCI Express female edgeboard connector designed for high-speed data applications. It features 98 positions arranged in 2 rows with a 1.00mm pitch, providing reliable connectivity for PCI Express cards. The connector uses gold-plated phosphor bronze contacts with a thickness of 30.0µin for excellent conductivity and corrosion resistance. It supports a dual readout configuration and includes features such as a card extender and locking ramp for secure mating. The operating temperature range is -40°C to 85°C, making it suitable for industrial environments. The connector is terminated via solder and mounts using board edge, straddle mount method. The card thickness is 0.062" (1.57mm). This connector is RoHS3 compliant and has an MSL of 1 (unlimited).</p>
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Samtec Inc.
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Samtec Inc.
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Sullins Connector Solutions
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Edac
<p>The Edac 307-030-520-202 is a card edge connector from the 307 series, offering 30 positions in a dual row female configuration with a 0.156" (3.96mm) pitch. It accepts PC boards with a thickness range of 0.054" to 0.070" (1.37mm to 1.78mm) and features dual readout for both sides of the edge card.</p><p> </p><p>Electrical ratings include a current rating of 5 A, maximum contact resistance of 10 mΩ, dielectric withstanding voltage of 1800 V AC rms, and minimum insulation resistance of 5000 MΩ. The operating temperature range is -40°C to 105°C. Contacts are made of copper alloy with gold plating on the mating area (10.0 µin thickness) and tin plating on the tails, with nickel underplating.</p><p> </p><p>The connector is through-hole mounted with solder termination. The insulator body is green thermoplastic polyester rated UL 94V-0. Mounting features include flush mount, top opening, unthreaded holes of 0.128" (3.25mm) diameter. Insertion force is 4.45 N (16 oz) maximum per contact pair, and withdrawal force is 0.28 N (1 oz) minimum.</p>
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Edac
<p>The Edac 307-036-500-202 is a dual readout card edge connector from the 307 series, designed for reliable interconnection with printed circuit boards. It has 36 total contacts arranged in two rows on a 3.96mm pitch, accepting a card thickness range of 0.054" to 0.070". The connector uses semi-bellows contacts made of copper alloy with gold plating on the mating area and tin plating on the tails, with nickel underplating.</p><p> </p><p>Electrical specifications include a current rating of 5A, contact resistance of 10 milliohms maximum, dielectric withstanding voltage of 1800V AC rms, and insulation resistance of 5000 megohms minimum. The operating temperature range is -40°C to +105°C. The insulator is molded from green thermoplastic polyester rated UL 94V-0.</p><p> </p><p>This connector features a flush mount, top opening design with unthreaded 0.128" diameter mounting holes. Termination is via solder eyelets for through hole soldering. The 307 series is RoHS compliant and UL certified.</p>
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Edac
<p>The Edac 307-012-500-202 is a card edge connector from the 307 series, designed for 0.062" nominal thickness PC boards. It has 12 positions in a dual row configuration with a 3.96mm (0.156") contact pitch. The insulator is green thermoplastic polyester rated UL 94V-0. Contact material is copper alloy with gold plating on the mating area and tin plating on the tails, with nickel underplating. The connector provides dual readout and flush mount with unthreaded 0.128" (3.25mm) diameter mounting holes. Termination is through hole solder eyelet. Electrical ratings include 5A current rating, 10 mOhm maximum contact resistance, 1800 V AC rms dielectric withstanding voltage, and 5000 MOhm minimum insulation resistance. Operating temperature range is -40°C to +105°C. Insertion force is 16 oz (4.45 N) maximum per contact pair, and withdrawal force is 1 oz (0.28 N) minimum per contact pair.</p>
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Edac
<p>The Edac 307-030-500-202 is a 30-position card edge connector from the 307/357 series, designed for 0.156" (3.96mm) contact spacing. This dual readout, female connector accommodates printed circuit boards with a nominal thickness of 0.062" (1.57mm) and supports a card thickness range of 0.054" to 0.070".</p><p> </p><p>Electrical specifications include a current rating of 5 amps per contact, maximum contact resistance of 10 milliohms, dielectric withstanding voltage of 1800 V AC rms, and minimum insulation resistance of 5000 megohms. The operating temperature range is -40°C to +105°C.</p><p> </p><p>The connector uses through hole mounting with solder eyelet termination. Contacts are made of copper alloy with 10.0µin gold plating on the mating area. The insulator is green thermoplastic polyester, rated UL 94V-0 for flammability. The flange feature includes flush mount, top opening, unthreaded 0.128" diameter mounting holes.</p>
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Edac
<p>The Edac 423-035-521-102 is a 35 position card edge connector from the 423 series. It features 0.200" (5.08 mm) contact spacing and 0.300" (7.62 mm) row spacing in a staggered grid arrangement. The connector uses Edacon hermaphroditic contact mating design with copper alloy contacts plated with gold over nickel over the entire contact surface.</p><p> </p><p>Electrical specifications include a current rating of 10 amps, contact resistance of 10 milliohms maximum, dielectric withstanding voltage of 2000 V AC rms at sea level, and insulation resistance of 5000 megohms minimum. The operating temperature range is -65°C to +125°C.</p><p> </p><p>The insulator is made of diallyl phthalate with UL 94V-0 flammability rating. The connector is designed for mounting into 0.062" (1.57 mm) or 0.093" (2.36 mm) nominal thickness PC boards by soldering and/or staking of PC tails. The tail size is .044 x .025 (1.12 x 0.64) with a tail length of 0.153" (3.89 mm). Mounting is via 0.128" diameter mounting holes and guide pins as per MIL-C-21097.</p>
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TE Connectivity
<p>The 145154-4 from TE Connectivity is a PCI card edge connector designed for reliable card insertion and retention. This female connector features 120 positions arranged in 2 rows with a 1.27mm (0.050") pitch and dual readout for versatile signal routing. The contacts are made of phosphor bronze with 30.0µin gold finish, providing excellent conductivity and corrosion resistance.</p><p> </p><p>The connector uses a through-hole mounting style with staggered solder termination for secure board attachment. It includes a board guide feature to aid alignment during assembly. The card thickness is 0.062" (1.57mm), compatible with standard PCI cards.</p><p> </p><p>Applications include computer motherboards, add-on cards, and other PCI-based system interconnects. The natural color housing and robust construction make it suitable for various industrial and consumer electronics environments.</p>
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Edac
<p>The Edac 307-056-528-202 is a dual readout female card edge connector from the 307 series, designed for 0.156" (3.96mm) contact spacing with 0.200" (5.08mm) row spacing. It accepts a 0.062" (1.57mm) nominal thickness PCB and features a low-profile insulator body of 0.473" (12.01mm). This connector has 56 total contacts in a dual row configuration, with a green thermoplastic polyester insulator rated UL 94V-0. Contacts are made of copper alloy with gold plating on the mating area, tin plating on tails, and nickel underplating. Electrical ratings include 5A maximum current, 10 mOhm maximum contact resistance, 1800 V AC rms dielectric withstanding voltage at sea level, and 5000 MOhm minimum insulation resistance. Operating temperature range is -40°C to +105°C. The connector is through-hole mounted with solder tail termination (inferred from part number), and mounting option 02 provides Ø.128" (3.25mm) mounting holes. Insertion force is 4.45 N (16 oz) maximum per contact pair, and withdrawal force is 0.28 N (1 oz) minimum. The part is RoHS3 compliant and UL certified.</p>
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Edac
<p>The Edac 307-086-528-202 is a card edge connector from the 307 series, designed for dual readout applications. It accepts a 0.062" (1.57mm) thick PCB and features 86 female contacts arranged in two rows at 0.156" (3.96mm) pitch. The connector is rated for 5A current per contact, with a maximum contact resistance of 10 mΩ and dielectric withstanding voltage of 1800V AC rms. Operating temperature range is -40°C to +105°C. The insulator is made of green thermoplastic polyester with UL94V-0 flammability rating. Contacts are copper alloy with gold plating on mating area and tin on tails, with nickel underplating. The connector includes flush mount, top opening, unthreaded flange features with 0.128" (3.25mm) diameter mounting holes. This connector is suitable for edgeboard connection in various electronic systems requiring reliable dual readout interfaces.</p>
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Edac
<p>The EDAC Inc. 337-086-541-202 is a dual row female edgeboard connector from the 337 series. It features 86 total contacts arranged in two rows with a 3.96mm (0.156") contact pitch and 5.08mm (0.200") row spacing. The connector accepts a non-specified dual edge card with a thickness range of 1.37mm to 1.78mm (0.054" to 0.070").</p><p> </p><p>Termination is via wire wrap with a tail length of 19.05mm (0.750"). Contacts are made of copper alloy with a gold finish (10.0µin / 0.25µm) on the mating area and tin plating on tails with nickel underplating. The insulator is green thermoplastic polyester rated UL 94V-0.</p><p> </p><p>Electrical ratings include a current rating of 3 A per contact, contact resistance of 10 mΩ maximum, dielectric withstanding voltage of 1800 V AC rms, and insulation resistance of 5000 MΩ minimum. The connector operates over a temperature range of -40°C to +105°C.</p><p> </p><p>Mounting is through hole with a flush mount flange feature (top opening, unthreaded, 0.128" / 3.25mm diameter). The connector is RoHS3 compliant and packaged in a box.</p>
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Sullins Connector Solutions
<p>The EBC10DREN is a female dual readout card edge connector designed for 0.062" thick (1.57mm) mating PCBs. It offers 20 total contacts arranged in two rows of 10 positions each on 0.100" (2.54mm) contact centers. The connector uses full bellows contact type made of phosphor bronze with a gold finish of 10.0 microinches (0.25µm) for reliable low-resistance connections.</p><p> </p><p>Electrical performance includes a current rating of 3A per contact when one contact is energized, with a maximum contact resistance of 30 milliohms at rated current. The operating temperature range spans -65°C to 125°C, suitable for demanding environments. The connector is rated UL 94V-0 for flammability.</p><p> </p><p>Termination is via solder eyelet(s) accommodating up to three #26 AWG wires, with straight tail configuration. The housing is blue in color and supports free hanging (in-line) mounting without board lock or additional hardware. The insulator options include PBT, PPS, PA9T, or PEEK as listed in the datasheet.</p><p> </p><p>This connector is suitable for use in edgeboard applications requiring a durable, gold-plated dual readout interface with eyelet solder termination. It is free hanging and does not require mounting ears or threaded inserts.</p>
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Edac
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