IC Sockets

Electrical devices contain integrated circuits (ICs) which are installed onto a printed circuit board (PCB). IC sockets are connectors which allow ICs to be fitted and removed easily. The socket is mounted onto the board and houses the chip. Unlike soldering, which is permanent, IC sockets are important as they enable you to remove or interchange the components without damaging them. This also protects the IC from potential heat damage caused by soldering.


Programmable chips and microcontrollers are a great example where IC sockets are used. They allow for easy removal for testing, programming or replacement. This enables you to choose and test the right chip for the application, replace any failures in the circuit or upgrade a device when required.


Types of IC Socket


  • DIL Sockets (Dual-in-line) have two parallel rows of pins, available in various numbers to match the relevant IC and are normally very cost-effective. A larger socket can be created by placing two smaller ones together, end-to-end, e.g. two 8 pins become 16-pin.

  • SIL Sockets (Single in-line) has a single line of pins and is frequently used in smaller applications like resistor arrays or boards with short lead pins, such as a desktop computer. There are many different sizes and types available.

  • DIMM Sockets (Dual In-line Memory Module). Random Access Memory (RAM) can be easily installed in computers or laptops using DIMM sockets. These are important components that help to ensure reliable connectivity. They have two separate rows of electrical contacts or pins on either side. It's a general rule that the more pins the higher the RAM it supports. There are various pin sizes available.

  • SIMM Sockets (Single In-line Memory Module). These have a single row of pins which connect memory modules to circuit boards. They are space-saving and can be installed at predetermined angles with positive polarisation to prevent memory modules from being inserted incorrectly. They are used mainly in older computers dating from the 1980s to late 1990s. Available in various sizes and number of pins.

SMD and Through Hole Mount


IC sockets are mounted onto PCBs by surface mount (SMD) or though hole mounting. This refers to the pins on the socket and how they attach to the board. SMD sockets are attached to the surface of the PCB, while through hole sockets are pushed through holes in the PCB.


What are package types?


IC sockets are designed for a specific package type. This refers to the package of the IC, which in an industry standard size, and its pins. Examples of package type include:


  • BGA

  • DIP

  • LGA

  • QFP

  • SOIC

...
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Description Price IC Socket Type Package Type Gender Number of Contacts Number of Rows Pitch Body Orientation Contact Material Contact Plating Current Rating Socket Mounting Type Device Mounting Type Voltage Rating Termination Method
RS Stock No. 860-2629
Mfr. Part No.84500-102LF
SGD29.78
Each
units
Prototyping Socket BGA Male 300 10 1.27mm Straight Copper Alloy Gold 2 (1 Contact) A, 450 (All Contact) mA Surface Mount Surface Mount 200.0 V Solder
RS Stock No. 372-3318
Mfr. Part No.IC234-1444-016N
BrandYamaichi
SGD386.86
Each
units
Test Socket QFP Female 144 - 0.5mm Straight Beryllium Copper Gold over Nickel - Through Hole - - Solder
RS Stock No. 185-5919
Mfr. Part No.2-2822979-3
SGD80.60
Each
units
Prototyping Socket LGA Female 3647 - 0.85mm - Copper Alloy Gold 500.0mA Surface Mount Surface Mount - Solder
RS Stock No. 859-9438
Mfr. Part No.69802-144LF
SGD2.68
Each (In a Pack of 25)
units
PLCC Socket SMD Female 44 - 1.27mm Straight Phosphor Bronze Tin over Nickel 1.0A - - 120.0 V Solder
RS Stock No. 244-6802
Mfr. Part No.WPLCC032-T3RC
BrandWinslow
SGD14.55
Each
units
PLCC Socket - Female 32 - 2.54mm Straight Phosphor Bronze Tin over Copper 1.0A - - 100 V ac, 150 V dc Solder
RS Stock No. 500-8043
Mfr. Part No.IC149-100-014-B5
BrandYamaichi
SGD104.90
Each
units
Prototyping Socket QFP Female 100 - 0.65mm Straight Copper Alloy Gold - Surface Mount - - Solder
RS Stock No. 2552310111
Mfr. Part No.2-822114-3 (28)
SGD1,174.51
1 Pack of 28
Pack(s)
- - - - - - - - - - - - - -
RS Stock No. 2552349072
Mfr. Part No.2040540-1 (100)
SGD1,873.33
1 Pack of 100
Pack(s)
- - - - - - - - - - - - - -
RS Stock No. 2508837260
Mfr. Part No.4515
BrandKeystone
SGD4.03
Each
units
- - - - - - - - - - - - - -
Kit
RS Stock No. 2509673244
Mfr. Part No.4734
BrandKeystone
SGD4.14
Each
units
- - - - - - - - - - - - - -
RS Stock No. 2552309061
Mfr. Part No.822516-4 (100)
SGD45.52
1 Pack of 100
Pack(s)
- - - - - - - - - - - - - -
RS Stock No. 2552311501
Mfr. Part No.3-1437508-6 (1)
SGD21.86
Each
units
- - - - - - - - - - - - - -
RS Stock No. 2509682793
Mfr. Part No.940-44-032-24-000000
BrandMill-Max
SGD1.49
Each
units
- - - - - - - - - - - - - -
RS Stock No. 2552311234
Mfr. Part No.1981837-1 (1)
SGD27.89
Each
units
- - - - - - - - - - - - - -
RS Stock No. 2509682901
Mfr. Part No.940-44-084-17-400000
BrandMill-Max
SGD2.67
Each
units
- - - - - - - - - - - - - -
RS Stock No. 2552310109
Mfr. Part No.3-822516-2 (500)
SGD140.62
1 Pack of 500
Pack(s)
- - - - - - - - - - - - - -
RS Stock No. 2509682872
Mfr. Part No.940-44-044-17-400000
BrandMill-Max
SGD1.66
Each
units
- - - - - - - - - - - - - -
RS Stock No. 2552309060
Mfr. Part No.822516-3 (1)
SGD0.86
Each
units
- - - - - - - - - - - - - -
RS Stock No. 2509682816
Mfr. Part No.940-44-052-24-000000
BrandMill-Max
SGD2.10
Each
units
- - - - - - - - - - - - - -