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. 767-012
Mfr. Part No.216-7224-55-1902
Brand3M
$51.01
Each
units
Test Socket SOIC Female 16 2 1.27mm Straight Beryllium Copper Gold over Nickel 1.0A Through Hole - - Solder
RS Stock No. 500-8071
Mfr. Part No.IC149-144-045-B5
BrandYamaichi
$537.85
Each
units
- QFP Female 144 - 0.5mm Straight Copper Alloy Gold - Surface Mount - - Solder
RS Stock No. 244-6925
Mfr. Part No.W9306
BrandWinslow
$67.43
Each
units
- - Male 84 - 1.27mm Straight - - - - - - -
RS Stock No. 378-9790
Mfr. Part No.WPLCC052-1PTRC
BrandWinslow
$3.803
Each (In a Tube of 22)
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. 435-0646
Mfr. Part No.W9327
BrandWinslow
$58.18
Each
units
PLCC Socket SMD Male 68 - 1.27mm Right Angle - - - - - - -
RS Stock No. 674-2570
Mfr. Part No.A-CCS 044-Z-SM
$1.452
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. 543-3512
Mfr. Part No.IC160Z-0444-300
BrandYamaichi
$14.912
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. 185-9745
Mfr. Part No.2299806-1
$7.71
Each
units
Prototyping Socket LGA - - - - - - - - - - - -
RS Stock No. 180-7672
Mfr. Part No.WPLCC044-ST1RC
BrandWinslow
$3.387
Each (In a Tube of 21)
units
PLCC Socket - Female 44 - 1.27mm Straight Phosphor Bronze Tin over Copper 1.0A - - 100 V ac, 150 V dc Solder
RS Stock No. 372-2753
Mfr. Part No.IC46-3010-G4HT
BrandYamaichi
$56.09
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. 401-992
Mfr. Part No.W3401G
BrandWinslow
$3.514
Each (In a Pack of 5)
units
Transistor Socket - Female 8 - - Straight Phosphor Bronze Gold 1.0A - - 100 V dc Solder
RS Stock No. 674-2558
Mfr. Part No.A-CCS 052-Z-T
$2.456
Each (In a Pack of 5)
units
PLCC Socket DIP Female 52 - 1.27mm Straight Phosphor Bronze Tin over Nickel 1.0A - - 100 V ac Solder
RS Stock No. 372-3469
Mfr. Part No.NP89-12110-G4-BF
BrandYamaichi
$141.58
Each
units
Prototyping Socket PGA Female 121 - 2.54mm Straight Beryllium Copper Gold over Nickel - Through Hole - - Solder
RS Stock No. 821-8852
Mfr. Part No.1437504-6
$13.10
Each
units
Transistor Socket - Female 3 - - Straight Beryllium Copper Gold - - - - Solder
RS Stock No. 244-6789
Mfr. Part No.WPLCC020-T3RC
BrandWinslow
$26.95
Each
units
PLCC Socket - Female 20 - 2.54mm Straight Phosphor Bronze Tin over Copper 1.0A - - 100 V ac, 150 V dc Solder
RS Stock No. 674-2542
Mfr. Part No.A-CCS 032-Z-T
$1.698
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. 191-7918
Mfr. Part No.1-1437508-6
$16.85
Each
units
Transistor Socket - Female 8 - - - Beryllium Copper Gold 3.0A - - 500.0 V Solder
RS Stock No. 674-2551
Mfr. Part No.A-CCS 068-Z-T
$2.624
Each (In a Pack of 5)
units
PLCC Socket DIP Female 68 - 1.27mm Straight Phosphor Bronze Tin over Nickel 1.0A - - 100 V ac Solder
RS Stock No. 180-7666
Mfr. Part No.WPLCC032-ST1RC
BrandWinslow
$3.199
Each (In a Tube of 24)
units
PLCC Socket - Female 32 - 1.27mm Straight Phosphor Bronze Tin over Copper 1.0A - - 100 V ac, 150 V dc Solder
RS Stock No. 191-7878
Mfr. Part No.1-1437508-6
$12.142
Each (In a Tray of 224)
units
Transistor Socket - Female 8 - - - Beryllium Copper Gold 3.0A - - 500.0 V Solder
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