Memory Sockets

Memory sockets are a part of printed circuit boards, designed for use in personal computers, servers and workstations. The module is mounted on the circuit board using a module socket. DIMMs are the dominant form of memory used in computing.


What are DIMMs?


DIMMs are memory modules that are composed of a series of dynamic, random-access memory (RAM) integrated circuits. They have two separate electrical contacts on either side and a 64-bit path.


Types of DIMM sockets


DIMM sockets have to conform to the needs of the system that they are used in. Different types of socket may vary according to the number of pins. This depends on the type of RAM being supported by the DIMM, from DDR to DDR4. Generally, the more pins or contacts, the higher the type of RAM supported. For example, a 240-pin DIMM might be used for DDR2 SDRAM, while a 288-pin DIM might be used for DDR4 SDRAM.


DIMM sockets can vary based on orientation this can be:



  • Angled

  • Horizontal

  • Vertical


What are SIMMs?


SIMM (Single In-Line Memory Module) sockets are computer memory expansion holders that connect memory modules to circuit boards. These sockets have single row pins which connect to the system board vertically or at predetermined angles. The sockets are easily inserted or extracted because they are not soldered onto the circuit board.


SIMM sockets have positive polarisation to prevent the memory modules from being inserted incorrectly. Contacts (pins) on the SIMM sockets have anti-overstress features and are resistant to high temperatures.


What are SIMM sockets used for?


The main benefits of using SIMM sockets are their space-saving capabilities and simple installation mechanisms, making them suitable for smaller circuit board designs used by electronic hobbyists. SIMM sockets are legacy components, mainly used in older module computers, PCBs and motherboards.


Types of SIMM sockets


SIMM sockets come in various sizes and are distinguished by the number of pin slots:



  • 30-pin SIMM sockets are shorter than standard sockets and can be used in legacy type laptops.

  • 64- and 72-pin SIMM sockets are used in desktop motherboards because they can hold larger memory modules.

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Omschrijving Prijs Gender Memory Socket Type Body Orientation Contact Material Contact Plating Number of Contacts Pitch Mounting Type Termination Method Housing Material SDRAM Type Latching Row Spacing Maximum Contact Resistance
RS-stocknr. 186-4817
Fabrikantnummer1717254-4
FabrikantTE Connectivity
€ 3,652
Each (On a Tape of 150)
Aantal stuks
Female DIMM Socket Right Angle Copper Alloy Gold Flash 200 0.6mm Surface Mount Solder Thermoplastic SO Yes 6.2mm 30.0mΩ
RS-stocknr. 179-1982
Fabrikantnummer78730-1002
FabrikantMolex
€ 27,58
Each
Aantal stuks
Female DIMM Socket Straight Copper Alloy Gold over Nickel, Tin over Nickel 288 0.85mm Surface Mount Solder Nylon DDR4 Yes 0.85mm 10.0mΩ
RS-stocknr. 681-2307
Fabrikantnummer5822134-3
FabrikantTE Connectivity
€ 5,74
Each
Aantal stuks
Female SIMM Socket - Phosphor Bronze Tin over Nickel 72 2.54mm Through Hole Solder Liquid Crystal Polymer - - - -
RS-stocknr. 185-5349
Fabrikantnummer2309412-1
FabrikantTE Connectivity
€ 1,293
Each (On a Reel of 250)
Aantal stuks
Female DIMM Socket Right Angle Copper Alloy Gold Flash, Nickel Plated (Under Plated) 260 0.5mm Surface Mount Solder Thermoplastic SO Yes 8.2mm 50.0mΩ
RS-stocknr. 185-9262
Fabrikantnummer1565917-4
FabrikantTE Connectivity
€ 3,771
Each (On a Reel of 150)
Aantal stuks
Female DIMM Socket Right Angle Copper Alloy Gold Flash 200 0.6mm Surface Mount - Thermoplastic DDR1, DDR2 Yes 6.2mm -
RS-stocknr. 542-2578
Fabrikantnummer390112-1
FabrikantTE Connectivity
€ 6,03
Each
Aantal stuks
Female DIMM Socket Right Angle Phosphor Bronze Gold over Nickel 144 0.8mm Surface Mount Solder Nylon SO - - -
RS-stocknr. 549-5021
FabrikantnummerDM1-168-VCA9-95/1L
FabrikantE-TEC
€ 4,48
Each
Aantal stuks
Female DIMM Socket Straight Copper Alloy Gold over Nickel 168 2.54mm Through Hole Solder Polymer - - 1.42mm 30.0mΩ
RS-stocknr. 185-5342
Fabrikantnummer2309407-1
FabrikantTE Connectivity
€ 0,952
Each (On a Reel of 450)
Aantal stuks
Female DIMM Socket Right Angle Copper Alloy Gold Flash, Nickel Plated (Under Plated) 260 0.5mm Surface Mount Solder Thermoplastic SO Yes 8.2mm 50.0mΩ
RS-stocknr. 717-6684
Fabrikantnummer440360-2
FabrikantTE Connectivity
€ 6,22
Each
Aantal stuks
Female DIMM Socket Right Angle Phosphor Bronze Gold over Nickel 124 0.8mm Surface Mount Solder Thermoplastic - - - -
RS-stocknr. 542-2607
Fabrikantnummer390111-1
FabrikantTE Connectivity
€ 6,64
Each
Aantal stuks
Female DIMM Socket Right Angle Phosphor Bronze Gold over Nickel 144 0.8mm Surface Mount Solder Nylon - - - -
RS-stocknr. 161-5604
Fabrikantnummer440360-2
FabrikantTE Connectivity
€ 4,018
Each (In a Tray of 600)
Aantal stuks
Female DIMM Socket Right Angle Phosphor Bronze Gold over Nickel 124 0.8mm Surface Mount Solder Thermoplastic - - - -
RS-stocknr. 164-0254
Fabrikantnummer2013310-1
FabrikantTE Connectivity
€ 4,269
Each (In a Tray of 20)
Aantal stuks
Female DIMM Socket Straight Copper Alloy Gold over Nickel 204 0.6mm Surface Mount Solder Thermoplastic DDR3 - - -
RS-stocknr. 165-0673
Fabrikantnummer5822134-3
FabrikantTE Connectivity
€ 4,399
Each (In a Box of 182)
Aantal stuks
Female SIMM Socket - Phosphor Bronze Tin over Nickel 72 2.54mm Through Hole Solder Liquid Crystal Polymer - - - -
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