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. 767-006
Mfr. Part No.216-7383-55-1902
Brand3M
MYR132.85
Each
units
PLCC Socket SOIC Female 16 2 1.27mm Straight Beryllium Copper Gold over Nickel 1.0A Through Hole - - Solder
RS Stock No. 372-3419
Mfr. Part No.IC51-0644-807
BrandYamaichi
MYR543.11
Each
units
Test Socket QFP Female 64 - 0.5mm Straight Beryllium Copper Gold over Nickel - Surface Mount - - Solder
RS Stock No. 403-831
Mfr. Part No.40-6554-10
MYR70.19
Each
units
- DIP Female 40 2 2.54mm Straight Beryllium Copper Tin over Nickel 1.0A Through Hole - - Solder
RS Stock No. 372-3037
Mfr. Part No.IC191-0482-004N
BrandYamaichi
MYR522.63
Each
units
Test Socket TSOP Female 48 2 1.0mm Straight Beryllium Copper Gold over Nickel - Through Hole - - Solder
RS Stock No. 655-2850
Mfr. Part No.PGA-121-E001-11Z-95
BrandE-TEC
MYR67.57
Each
units
Prototyping Socket PGA Female 121 - 2.54mm Straight Beryllium Copper Tin over Nickel 1.0A Through Hole - - Solder
RS Stock No. 500-8043
Mfr. Part No.IC149-100-014-B5
BrandYamaichi
MYR382.87
Each
units
Prototyping Socket QFP Female 100 - 0.65mm Straight Copper Alloy Gold - Surface Mount - - Solder
RS Stock No. 615-5134
Mfr. Part No.PLP-044-N110-99-HCP-044
BrandE-TEC
MYR49.00
Each
units
PLCC Socket - Female 44 - 2.54mm Straight Phosphor Bronze Tin over Nickel 1.0A - - 100 V ac, 150 V dc Solder
RS Stock No. 372-3453
Mfr. Part No.NP89-7303-G4-BF
BrandYamaichi
MYR423.57
Each
units
Test Socket PGA Female 73 - 2.54mm Straight Beryllium Copper Gold over Nickel - Surface Mount Surface Mount - Solder
RS Stock No. 435-0646
Mfr. Part No.W9327
BrandWinslow
MYR180.31
Each
units
PLCC Socket SMD Male 68 - 1.27mm Right Angle - - - - - - -
RS Stock No. 767-012
Mfr. Part No.216-7224-55-1902
Brand3M
MYR132.80
Each
units
Test Socket SOIC Female 16 2 1.27mm Straight Beryllium Copper Gold over Nickel 1.0A Through Hole - - Solder
RS Stock No. 372-2731
Mfr. Part No.IC46-1610-G4HT
BrandYamaichi
MYR97.06
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. 782-9845
Mfr. Part No.1437504-4
MYR48.83
Each
units
Transistor Socket - Female 3 - 2.54mm Straight Beryllium Copper Gold 3.0A - - 500 V -
RS Stock No. 859-9371
Mfr. Part No.69802-444LF
MYR7.57
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. 500-8015
Mfr. Part No.IC149-100-025-B5
BrandYamaichi
MYR445.64
Each
units
Prototyping Socket QFP Female 100 - 0.5mm Straight Copper Alloy Gold - Surface Mount - - Solder
RS Stock No. 401-992
Mfr. Part No.W3401G
BrandWinslow
MYR14.542
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
MYR52.56
Each
units
PLCC Socket - Female 68 - 2.54mm Straight Phosphor Bronze Tin over Nickel 1.0A - - - Solder
RS Stock No. 372-3403
Mfr. Part No.IC51-0484-806
BrandYamaichi
MYR350.06
Each
units
Test Socket QFP Female 48 - 0.5mm Straight Beryllium Copper Gold over Nickel - Surface Mount - - Solder
RS Stock No. 701-9402
Mfr. Part No.540-88-068-24-008
BrandPreci-Dip
MYR8.08
Each (In a Pack of 5)
units
PLCC Socket DIP Female 68 - 1.27mm Straight Phosphor Bronze Tin 1.0A - - 100 V ac, 150 V dc Solder
RS Stock No. 710-8700
Mfr. Part No.1107741
MYR3.10
Each
units
Oscillator Socket DIL Female 14 2 15.24mm Straight Beryllium Copper Gold over Nickel 3.0A - - - Solder
RS Stock No. 710-6688
Mfr. Part No.24-6554-11
MYR76.45
Each
units
- DIP Female 24 2 2.54mm Straight Beryllium Copper Gold over Nickel 1.0A Through Hole - - Solder