SIMM Sockets

SIMM (Single In Line Memory Module) sockets are computer memory expansion holders that connect memory modules to circuit boards. These sockets have single row pins which connect to the system board vertically or at predetermined angles. The sockets are easily inserted or extracted because they are not soldered onto the circuit board.

SIMM sockets have positive polarisation to prevent the memory modules from being inserted incorrectly. Contacts (pins) on the SIMM sockets have anti-overstress features and are resistant to high temperatures.

What are SIMM sockets used for?

The main benefits of using SIMM sockets are their space-saving capabilities and simple installation mechanisms, making them suitable for smaller circuit board designs used by electronic hobbyists. SIMM sockets are legacy components, mainly used in older module computers, PCBs and motherboards

Types of SIMM sockets

SIMM sockets come in various sizes and are distinguished by the number of pin slots:

  • 30-pin SIMM sockets are shorter than standard sockets and can be used in legacy type laptops.
  • 64- and 72-pin SIMM sockets are used in desktop motherboards because they can hold larger memory modules.

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Description Price Body Orientation Contact Plating Number of Contacts Pin Type Pitch Mounting Type Termination Method Latching Current Rating CAD Drawing Maximum Operating Temperature Minimum Operating Temperature Polarisation Contact Material
RS Stock No. 378-9453
Mfr. Part No.WS3172SML
BrandWinslow
TWD162
Each
units
Straight Tin over Nickel 72 Stamped 2.54mm - - Yes 1A - +105°C -55°C Left Phosphor Bronze
RS Stock No. 718-4701
Mfr. Part No.7-5382487-2
TWD416
Each
units
Right Angle Gold over Nickel 72 - 2.54mm Through Hole Solder - - - +105°C -55°C - Phosphor Bronze
RS Stock No. 681-2304
Mfr. Part No.5822021-4
TWD146
Each
units
Straight Tin over Nickel 72 - 2.54mm Through Hole Solder - - - +105°C -55°C - Phosphor Bronze
RS Stock No. 135-8525
Mfr. Part No.5822021-5
TWD177
Each (In a Box of 315)
units
Straight Tin over Nickel 80 - 2.54mm Through Hole Solder - - - +105°C -55°C - Phosphor Bronze
RS Stock No. 164-4213
Mfr. Part No.5821997-3
TWD262
Each (In a Box of 315)
units
Straight Gold 72 - 1.27mm Through Hole Solder Yes - - - - Left Phosphor Bronze
RS Stock No. 378-9447
Mfr. Part No.WS3172SMRRC
BrandWinslow
TWD162
Each
units
Straight Tin over Nickel 72 Stamped 2.54mm - - Yes 1A - +105°C -55°C Right Phosphor Bronze
RS Stock No. 718-4739
Mfr. Part No.5822021-5
TWD314
Each
units
Straight Tin over Nickel 80 - 2.54mm Through Hole Solder - - - +105°C -55°C - Phosphor Bronze
RS Stock No. 681-2307
Mfr. Part No.5822134-3
TWD294
Each
units
- Tin over Nickel 72 - 2.54mm Through Hole Solder - - 3D CAD Model +105°C -55°C - Phosphor Bronze
RS Stock No. 135-8524
Mfr. Part No.7-5382487-2
TWD414
Each (In a Tray of 750)
units
Right Angle Gold over Nickel 72 - 2.54mm Through Hole Solder - - - +105°C -55°C - Phosphor Bronze
RS Stock No. 378-9419
Mfr. Part No.WS3130SMR
BrandWinslow
TWD156
Each
units
Straight Tin over Nickel 30 Stamped 2.54mm - - Yes 1A - +105°C -55°C Right Phosphor Bronze
RS Stock No. 718-4736
Mfr. Part No.5822030-3
TWD286
Each
units
Straight Tin 72 - 2.54mm Through Hole Solder - - - +105°C -55°C - Phosphor Bronze
RS Stock No. 165-0988
Mfr. Part No.5822032-4
TWD209
Each (In a Box of 315)
units
Straight Gold 72 - 2.54mm Through Hole Solder - - - +105°C -55°C - Phosphor Bronze
RS Stock No. 165-0673
Mfr. Part No.5822134-3
TWD153
Each (In a Box of 182)
units
- Tin over Nickel 72 - 2.54mm Through Hole Solder - - - +105°C -55°C - Phosphor Bronze
RS Stock No. 745-5047
Mfr. Part No.5821997-3
TWD468
Each
units
Straight Gold 72 - 1.27mm Through Hole Solder Yes - - - - Left Phosphor Bronze
RS Stock No. 717-6696
Mfr. Part No.5822032-4
TWD341
Each
units
Straight Gold 72 - 2.54mm Through Hole Solder - - - +105°C -55°C - Phosphor Bronze
RS Stock No. 745-5738
Mfr. Part No.7-5382486-2
TWD419
Each
units
Right Angle Tin 72 - 1.27mm Through Hole Solder Yes - - - - Left Phosphor Bronze
RS Stock No. 164-0073
Mfr. Part No.5822021-4
TWD141
Each (In a Box of 315)
units
Straight Tin over Nickel 72 - 2.54mm Through Hole Solder - - - +105°C -55°C - Phosphor Bronze