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. 117-8520
Mfr. Part No.IC51-0444-400
BrandYamaichi
£73.86
Each
Units
PLCC Socket - Female 44 - 1.27mm Straight Beryllium Copper Gold over Nickel 1.0A - - - Solder
RS Stock No. 665-9910
Mfr. Part No.QFN11T032-003
BrandYamaichi
£125.15
Each
Units
Test Socket QFN Female 32 - 0.5mm Straight Beryllium Copper Gold over Nickel - Through Hole - - Solder
RS Stock No. 500-8015
Mfr. Part No.IC149-100-025-B5
BrandYamaichi
£220.39
Each
Units
Prototyping Socket QFP Female 100 - 0.5mm Straight Copper Alloy Gold - Surface Mount - - Solder
RS Stock No. 372-3431
Mfr. Part No.IC51-1004-809
BrandYamaichi
£234.46
Each
Units
Test Socket QFP Female 100 - 0.5mm Straight Beryllium Copper Gold over Nickel - Surface Mount - - Solder
RS Stock No. 543-3483
Mfr. Part No.IC160Z-0284-300
BrandYamaichi
£7.654
Each (In a Pack of 5)
Units
PLCC Socket - Female 28 - 1.27mm Straight Copper Alloy Tin Bismuth Alloy 1.0A - - - Solder
RS Stock No. 500-8043
Mfr. Part No.IC149-100-014-B5
BrandYamaichi
£170.51
Each
Units
Prototyping Socket QFP Female 100 - 0.65mm Straight Copper Alloy Gold - Surface Mount - - Solder
RS Stock No. 372-2731
Mfr. Part No.IC46-1610-G4HT
BrandYamaichi
£13.63
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. 372-3093
Mfr. Part No.IC120-0684-304
BrandYamaichi
£27.53
Each
Units
PLCC Socket - Female 68 - 1.27mm Straight Beryllium Copper Gold over Nickel 1.0A - - 700.0 V -
RS Stock No. 372-3419
Mfr. Part No.IC51-0644-807
BrandYamaichi
£109.90
Each
Units
Test Socket QFP Female 64 - 0.5mm Straight Beryllium Copper Gold over Nickel - Surface Mount - - Solder
RS Stock No. 372-2747
Mfr. Part No.IC46-2410-G4HT
BrandYamaichi
£21.09
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. 372-2753
Mfr. Part No.IC46-3010-G4HT
BrandYamaichi
£24.41
Each
Units
Test Socket SIP Female 30 1 2.54mm Straight Copper Alloy Gold over Nickel 1.0A Surface Mount Through Hole - Solder
RS Stock No. 372-3289
Mfr. Part No.IC234-1204-017N
BrandYamaichi
£154.75
Each
Units
Test Socket QFP Female 120 - 0.8mm Straight Beryllium Copper Gold over Nickel - Through Hole - - Solder
RS Stock No. 372-3532
Mfr. Part No.NP89-28906-G4-BF
BrandYamaichi
£57.50
Each
Units
Prototyping Socket PGA Female 289 - 2.54mm Straight Beryllium Copper Gold over Nickel - Through Hole - - Solder
RS Stock No. 543-3512
Mfr. Part No.IC160Z-0444-300
BrandYamaichi
£6.49
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. 543-3540
Mfr. Part No.IC160Z-0844-300
BrandYamaichi
£10.922
Each (In a Pack of 5)
Units
PLCC Socket - Female 84 - 1.27mm Straight Copper Alloy Tin Bismuth Alloy 1.0A - - - Solder
RS Stock No. 665-9914
Mfr. Part No.QFN11T040-004
BrandYamaichi
£52.31
Each
Units
Test Socket QFN Female 40 - 0.5mm Straight Beryllium Copper Gold over Nickel - Through Hole - - Solder
RS Stock No. 372-3065
Mfr. Part No.IC120-0324-309
BrandYamaichi
£36.17
Each
Units
PLCC Socket - Female 32 - 1.27mm Straight Beryllium Copper Gold over Nickel 1.0A - - 700.0 V -
RS Stock No. 432-0651
Mfr. Part No.IC51-0804-956-2
BrandYamaichi
£179.28
Each
Units
Test Socket QFP Female 80 - 0.65mm Straight Beryllium Copper Gold over Nickel - Surface Mount - - Solder
RS Stock No. 543-3449
Mfr. Part No.IC160Z-0444-240
BrandYamaichi
£3.60
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. 665-9923
Mfr. Part No.QFN11T040-006
BrandYamaichi
£47.95
Each
Units
Test Socket QFN Female 40 - 0.5mm Straight Beryllium Copper Gold over Nickel - Through Hole - - Solder