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. 372-3419
Mfr. Part No.IC51-0644-807
BrandYamaichi
HK$1,288.49
Each
units
Test Socket QFP Female 64 - 0.5mm Straight Beryllium Copper Gold over Nickel - Surface Mount - - Solder
RS Stock No. 372-3403
Mfr. Part No.IC51-0484-806
BrandYamaichi
HK$704.65
Each
units
Test Socket QFP Female 48 - 0.5mm Straight Beryllium Copper Gold over Nickel - Surface Mount - - Solder
RS Stock No. 401-992
Mfr. Part No.W3401G
BrandWinslow
HK$19.39
Each (In a Pack of 5)
units
Transistor Socket - Female 8 - - Straight Phosphor Bronze Gold 1.0A - - 100 V dc Solder
RS Stock No. 615-4894
Mfr. Part No.TOS--508-S118-95
BrandE-TEC
HK$19.16
Each (In a Pack of 10)
units
Transistor Socket - Female 8 - - Straight Beryllium Copper Gold over Nickel 1.0A - - 100 V dc Solder
RS Stock No. 859-9438
Mfr. Part No.69802-144LF
HK$13.40
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. 487-2540
Mfr. Part No.W3437
BrandWinslow
HK$11.788
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. 372-3532
Mfr. Part No.NP89-28906-G4-BF
BrandYamaichi
HK$831.57
Each
units
Prototyping Socket PGA Female 289 - 2.54mm Straight Beryllium Copper Gold over Nickel - Through Hole - - Solder
RS Stock No. 372-3431
Mfr. Part No.IC51-1004-809
BrandYamaichi
HK$1,474.72
Each
units
Test Socket QFP Female 100 - 0.5mm Straight Beryllium Copper Gold over Nickel - Surface Mount - - Solder
RS Stock No. 615-5134
Mfr. Part No.PLP-044-N110-99-HCP-044
BrandE-TEC
HK$73.67
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. 372-3166
Mfr. Part No.IC234-0644-027N
BrandYamaichi
HK$1,356.10
Each
units
Test Socket QFP Female 64 - 0.5mm Straight Beryllium Copper Gold over Nickel - Through Hole - - Solder
RS Stock No. 767-012
Mfr. Part No.216-7224-55-1902
Brand3M
HK$267.32
Each
units
Test Socket SOIC Female 16 2 1.27mm Straight Beryllium Copper Gold over Nickel 1.0A Through Hole - - Solder
RS Stock No. 767-034
Mfr. Part No.220-7201-55-1902
Brand3M
HK$37,591.32
Each
units
- SOIC Female 20 2 1.27mm Straight Beryllium Copper Gold over Nickel 1.0A Through Hole - - Solder
RS Stock No. 401-661
Mfr. Part No.W3435G
BrandWinslow
HK$7.92
Each (In a Pack of 5)
units
Transistor Socket - Female 3 - - Straight Phosphor Bronze Gold 1.0A - - 100 V dc Solder
RS Stock No. 600-7811
Mfr. Part No.LCC-032-H200-55
BrandE-TEC
HK$64.24
Each
units
PLCC Socket - Female 32 - 1.27mm Straight Beryllium Copper Gold over Nickel over Copper 1.0A - - - Solder
RS Stock No. 178-9882
Mfr. Part No.105028-1001
BrandMolex
HK$10.135
Each (On a Reel of 800)
units
PLCC Socket SMD Female 32 - 0.9mm Straight Copper Alloy Gold 500.0mA - - 50.0 V SMT
RS Stock No. 783-0016
Mfr. Part No.3-1437508-6
HK$148.68
Each
units
Transistor Socket - Female 8 - 5.08mm Straight Beryllium Copper Gold 3.0A - - 500 V -
RS Stock No. 821-8852
Mfr. Part No.1437504-6
HK$66.83
Each
units
Transistor Socket - Female 3 - - Straight Beryllium Copper Gold - - - - Solder
RS Stock No. 372-3093
Mfr. Part No.IC120-0684-304
BrandYamaichi
HK$320.12
Each
units
PLCC Socket - Female 68 - 1.27mm Straight Beryllium Copper Gold over Nickel 1.0A - - 700 V ac -
RS Stock No. 185-8691
Mfr. Part No.2310924-3
HK$308.393
Each (In a Tray of 84)
units
Prototyping Socket LGA - - - - - - - - - - - -
RS Stock No. 701-9411
Mfr. Part No.540-88-084-24-008
BrandPreci-Dip
HK$16.83
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