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. 401-661
Mfr. Part No.W3435G
BrandWinslow
$1.604
Each (In a Pack of 5)
units
Transistor Socket - Female 3 - - Straight Phosphor Bronze Gold 1.0A - - 100 V dc Solder
RS Stock No. 372-3419
Mfr. Part No.IC51-0644-807
BrandYamaichi
$179.86
Each
units
Test Socket QFP Female 64 - 0.5mm Straight Beryllium Copper Gold over Nickel - Surface Mount - - Solder
RS Stock No. 372-2731
Mfr. Part No.IC46-1610-G4HT
BrandYamaichi
$29.39
Each
units
Test Socket SIP Female 16 1 2.54mm Straight Copper Alloy Gold over Nickel 1.0A Surface Mount Through Hole - Solder
RS Stock No. 372-3403
Mfr. Part No.IC51-0484-806
BrandYamaichi
$115.93
Each
units
Test Socket QFP Female 48 - 0.5mm Straight Beryllium Copper Gold over Nickel - Surface Mount - - Solder
RS Stock No. 487-2540
Mfr. Part No.W3437
BrandWinslow
$2.838
Each (In a Pack of 5)
units
Transistor Socket SMD Female - - - Straight Beryllium Copper Gold over Tin 1.0A - - 100 V dc Solder
RS Stock No. 372-3093
Mfr. Part No.IC120-0684-304
BrandYamaichi
$59.36
Each
units
PLCC Socket - Female 68 - 1.27mm Straight Beryllium Copper Gold over Nickel 1.0A - - 700 V ac -
RS Stock No. 615-5128
Mfr. Part No.PLP-032-N110-099HCP-032
BrandE-TEC
$7.41
Each
units
PLCC Socket - Female 32 - 2.54mm Straight Phosphor Bronze Tin over Nickel 1.0A - - 100 V ac, 150 V dc Solder
RS Stock No. 401-992
Mfr. Part No.W3401G
BrandWinslow
$3.26
Each (In a Pack of 5)
units
Transistor Socket - Female 8 - - Straight Phosphor Bronze Gold 1.0A - - 100 V dc Solder
RS Stock No. 549-4876
Mfr. Part No.PLP-068-N110-99-HCP-068
BrandE-TEC
$16.35
Each
units
PLCC Socket - Female 68 - 2.54mm Straight Phosphor Bronze Tin over Nickel 1.0A - - - Solder
RS Stock No. 372-2747
Mfr. Part No.IC46-2410-G4HT
BrandYamaichi
$45.48
Each
units
Test Socket SIP Female 24 1 2.54mm Straight Copper Alloy Gold over Nickel 1.0A Surface Mount Through Hole - Solder
RS Stock No. 435-0652
Mfr. Part No.W9328
BrandWinslow
$30.34
Each
units
PLCC Socket SMD Male 84 - 1.27mm Right Angle - - - - - - -
RS Stock No. 701-9411
Mfr. Part No.540-88-084-24-008
BrandPreci-Dip
$3.274
Each (In a Pack of 5)
units
PLCC Socket DIP Female 84 - 1.27mm Straight Phosphor Bronze Tin 1.0A - - 100 V ac, 150 V dc Solder
RS Stock No. 674-2555
Mfr. Part No.A-CCS 084-Z-T
$2.77
Each (In a Pack of 5)
units
PLCC Socket DIP Female 84 - 1.27mm Straight Phosphor Bronze Tin over Nickel 1.0A - - 100 V ac Solder
RS Stock No. 244-6925
Mfr. Part No.W9306
BrandWinslow
$63.29
Each
units
- - Male 84 - 1.27mm Straight - - - - - - -
RS Stock No. 372-3065
Mfr. Part No.IC120-0324-309
BrandYamaichi
$23.45
Each
units
PLCC Socket - Female 32 - 1.27mm Straight Beryllium Copper Gold over Nickel 1.0A - - 700 V ac -
RS Stock No. 674-2542
Mfr. Part No.A-CCS 032-Z-T
$1.724
Each (In a Pack of 5)
units
PLCC Socket DIP Female 32 - 1.27mm Straight Phosphor Bronze Tin over Nickel 1.0A - - 100 V ac Solder
RS Stock No. 244-6896
Mfr. Part No.W9303
BrandWinslow
$41.87
Each
units
- - Male 44 - 1.27mm Straight - - - - - - -
RS Stock No. 372-3289
Mfr. Part No.IC234-1204-017N
BrandYamaichi
$333.69
Each
units
Test Socket QFP Female 120 - 0.8mm Straight Beryllium Copper Gold over Nickel - Through Hole - - Solder
RS Stock No. 549-4882
Mfr. Part No.PLP-084-N110-99-HCP-084
BrandE-TEC
$21.89
Each
units
PLCC Socket - Female 84 - 2.54mm Straight Phosphor Bronze Tin over Nickel 1.0A - - - Solder
RS Stock No. 372-2753
Mfr. Part No.IC46-3010-G4HT
BrandYamaichi
$52.64
Each
units
Test Socket SIP Female 30 1 2.54mm Straight Copper Alloy Gold over Nickel 1.0A Surface Mount Through Hole - Solder