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. 821-6149
Fabrikantnummer87782-2001
FabrikantMolex
17,25 €
Each
Aantal stuks
Female DIMM Socket - Copper Alloy Gold 244 0.6mm Surface Mount Solder Glass Filled Polymer DDR2 Yes - -
Nieuw
RS-stocknr. 213-5737
Fabrikantnummer877823003
FabrikantMolex
7,061 €
Each (In a Tray of 45)
Aantal stuks
- - - - Gold 244 0.6mm Surface Mount - - - - - -
Nieuw
RS-stocknr. 213-5738
Fabrikantnummer877823003
FabrikantMolex
8,83 €
Each
Aantal stuks
- - - - Gold 244 0.6mm Surface Mount - - - - - -
RS-stocknr. 178-9938
Fabrikantnummer78730-1002
FabrikantMolex
19,817 €
Each (In a Tray of 120)
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. 161-7965
Fabrikantnummer151080-0101
FabrikantMolex
23,069 €
Each (In a Tray of 12)
Aantal stuks
Female DIMM Socket Right Angle Copper Alloy Gold over Nickel (Mating), Tin over Nickel (Termination) 288 0.85mm PCB Mount Through Hole Glass Filled Polyamide DDR4 Yes 1.58mm -
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. 896-2287
Fabrikantnummer151080-0101
FabrikantMolex
25,56 €
Each
Aantal stuks
Female DIMM Socket Right Angle Copper Alloy Gold over Nickel (Mating), Tin over Nickel (Termination) 288 0.85mm PCB Mount Through Hole Glass Filled Polyamide DDR4 Yes 1.58mm -
Nieuw
RS-stocknr. 213-5574
Fabrikantnummer5039600695
FabrikantMolex
1,865 €
Each (In a Pack of 2)
Aantal stuks
- - - Copper Alloy Gold 6 - Surface Mount - - - - - -
Nieuw
RS-stocknr. 213-5572
Fabrikantnummer5039600695
FabrikantMolex
1,242 €
Each (On a Reel of 1600)
Aantal stuks
- - - Copper Alloy Gold 6 - Surface Mount - - - - - -