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. 401-992
Mfr. Part No.W3401G
BrandWinslow
SGD2.742
Each (In a Pack of 5)
units
Transistor Socket - Female 8 - - Straight Phosphor Bronze Gold 1.0A - - 100 V dc Solder
RS Stock No. 164-5192
Mfr. Part No.1437504-6
SGD8.94
Each (In a Bag of 100)
units
Transistor Socket - Female 3 - - Straight Beryllium Copper Gold - - - - Solder
RS Stock No. 701-9408
Mfr. Part No.540-88-052-24-008
BrandPreci-Dip
SGD2.34
Each (In a Pack of 5)
units
PLCC Socket DIP Female 52 - 1.27mm Straight Phosphor Bronze Tin 1.0A - - 100 V ac, 150 V dc Solder
RS Stock No. 827-1493
Mfr. Part No.8484-21A1-RK-TP
Brand3M
SGD1.633
Each (In a Pack of 1584)
units
PLCC Socket - Female 84 - 1.27mm Straight Copper Alloy Tin over Nickel - - - - Solder
RS Stock No. 674-2570
Mfr. Part No.A-CCS 044-Z-SM
SGD1.07
Each (In a Pack of 5)
units
PLCC Socket SMD Female 44 - 1.27mm Straight Phosphor Bronze Tin over Nickel 1.0A - - 100 V ac Solder
RS Stock No. 185-8690
Mfr. Part No.2310924-1
SGD75.938
Each (In a Tray of 84)
units
Prototyping Socket LGA - - - - - - - - - - - -
RS Stock No. 372-3453
Mfr. Part No.NP89-7303-G4-BF
BrandYamaichi
SGD120.98
Each
units
Test Socket PGA Female 73 - 2.54mm Straight Beryllium Copper Gold over Nickel - Surface Mount Surface Mount - Solder
RS Stock No. 182-2961
Mfr. Part No.69802-432LF
SGD1.204
Each (On a Reel of 3900)
units
PLCC Socket SMD Female 32 - 1.27mm - Copper Alloy Tin 1.0A - - 120.0 V Solder
RS Stock No. 185-9794
Mfr. Part No.2310924-1
SGD56.56
Each
units
Prototyping Socket LGA - - - - - - - - - - - -
RS Stock No. 372-3093
Mfr. Part No.IC120-0684-304
BrandYamaichi
SGD65.00
Each
units
PLCC Socket - Female 68 - 1.27mm Straight Beryllium Copper Gold over Nickel 1.0A - - 700 V ac -
RS Stock No. 185-8698
Mfr. Part No.2299806-1
SGD5.49
Each (In a Tray of 12)
units
Prototyping Socket LGA - - - - - - - - - - - -
RS Stock No. 710-6681
Mfr. Part No.28-6554-11
SGD27.49
Each
units
- DIP Female 28 2 2.54mm Straight Beryllium Copper Gold over Nickel 1.0A Through Hole - - Solder
RS Stock No. 185-9824
Mfr. Part No.2299804-3
SGD38.52
Each
units
Prototyping Socket LGA - - - - - - - - - - - -
RS Stock No. 244-6880
Mfr. Part No.W9302
BrandWinslow
SGD33.23
Each
units
- - Male 32 - 1.27mm Straight - - - - - - -
RS Stock No. 543-3449
Mfr. Part No.IC160Z-0444-240
BrandYamaichi
SGD7.322
Each (In a Pack of 5)
units
PLCC Socket - Female 44 - 1.27mm Straight Copper Alloy Tin Bismuth Alloy 1.0A - - - Solder
RS Stock No. 710-6685
Mfr. Part No.48-6554-11
SGD37.79
Each
units
- DIP Female 48 2 2.54mm Straight Beryllium Copper Gold over Nickel 1.0A Through Hole - - Solder
RS Stock No. 185-8694
Mfr. Part No.2299805-3
SGD21.67
Each (In a Tray of 12)
units
Prototyping Socket LGA - - - - - - - - - - - -
RS Stock No. 180-7694
Mfr. Part No.WPLCC052-ST1RC
BrandWinslow
SGD2.792
Each (In a Tube of 19)
units
PLCC Socket - Female 52 - 1.27mm Straight Phosphor Bronze Tin over Copper 1.0A - - 100 V ac, 150 V dc Solder
RS Stock No. 432-0651
Mfr. Part No.IC51-0804-956-2
BrandYamaichi
SGD137.49
Each
units
Test Socket QFP Female 80 - 0.65mm Straight Beryllium Copper Gold over Nickel - Surface Mount - - Solder
RS Stock No. 702-5166
Mfr. Part No.540-88-032-17-400-TR
BrandPreci-Dip
SGD1.714
Each (In a Pack of 5)
units
PLCC Socket SMD Female 32 - 1.27mm Straight Phosphor Bronze Tin 1.0A - - 100 V ac, 150 V dc Solder