Relay Heatsinks

Solid state relay heatsinks are devices that provide solid state relays with a means of dissipating heat and maintaining safe operating temperatures. All solid state relays generate heat and failure to manage this can result in the relay's failure or destruction.

What are solid state relay heatsinks made from?

Solid state relay heatsinks are made of high thermal conductive materials such as silver, gold, copper or aluminium. Aluminium is commonly used for its availability and low cost, typically with a black anodized finish to provide additional radiant heating dissipation. The heatsink is firmly attached to the solid state relay.

How do solid state relay heatsinks work?

Heatsinks have vertical fins through which hot air flows, normally assisted by a fan. The fins provide a large surface area that cools the air. Once cooled, the air is expelled into the environment, so ventilation is crucial. A heatsink's performance is measured by its thermal impedance (resistance to the transfer of thermal energy). A lower numerical thermal impedance rating means more efficient heat transfer.

When choosing solid state relay heatsinks you should bear in mind coordinating size, form factor, thermal impedance rating and mounting.


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Description Price Accessory Type For Use With Series
RS Stock No. 922-5233
BrandRS PRO
kr 2 002,73
Each
Units
Heatsink WG Series Solid State Relays -
RS Stock No. 922-5227
BrandRS PRO
kr 521,07
Each
Units
Heatsink WG Series Solid State Relays -
RS Stock No. 922-5236
BrandRS PRO
kr 603,58
Each
Units
Heatsink WG Series Solid State Relays -
RS Stock No. 922-5239
BrandRS PRO
kr 1 059,09
Each
Units
Heatsink WG Series Solid State Relays -
RS Stock No. 922-5249
BrandRS PRO
kr 89,36
Each
Units
Thermal Pad WG Series Solid State Relays -
RS Stock No. 703-4564
Mfr. Part No.HS301DR
kr 344,84
Each
Units
Heatsink - -
RS Stock No. 703-4546
Mfr. Part No.HS202
kr 385,61
Each
Units
Heatsink - -
RS Stock No. 701-8834
Mfr. Part No.HS103DR
kr 976,80
Each
Units
Heatsink - -
RS Stock No. 703-4555
Mfr. Part No.HS103
kr 880,69
Each
Units
Heatsink - -
RS Stock No. 701-8837
Mfr. Part No.HS151DR
kr 481,93
Each
Units
Heatsink Crydom SSR -
RS Stock No. 903-2955
Mfr. Part No.KHS-1BD
Brandi-Autoc
kr 198,82
Each
Units
Heatsink Single Phase SSR -
RS Stock No. 922-2127
Mfr. Part No.SSRHP25
kr 223,30
Each
Units
Heatsink Panel Mount Solid State Relay -
RS Stock No. 703-4558
Mfr. Part No.HS072
kr 523,13
Each
Units
Heatsink 1 or 2 single or dual SSR -
RS Stock No. 701-8856
Mfr. Part No.HS201DR
kr 454,64
Each
Units
Heatsink - -
RS Stock No. 123-3855
Mfr. Part No.HS259DR-RSC1
kr 378,54
Each
Units
Heatsink NOVA22 Panel Mount SSR, NOVA22 SSRs -
RS Stock No. 703-4561
Mfr. Part No.HS501DR
kr 192,53
Each
Units
Heatsink 1 x single or dual SSR -
RS Stock No. 307-3253
Mfr. Part No.WF115100
BrandCelduc
kr 995,49
Each
Units
Heatsink SC Series, SG Series, SGT Series, SO Series, SVT Series SSR -
RS Stock No. 233-2462
Mfr. Part No.26532753N
BrandCrouzet
kr 345,93
1 Box of 1
Box(es)
Heatsink Panel Mount Solid State Relays -
RS Stock No. 233-2463
Mfr. Part No.26532754N
BrandCrouzet
kr 487,80
1 Box of 1
Box(es)
Heatsink Panel Mount Solid State Relays -
RS Stock No. 922-2114
Mfr. Part No.SSRHD10
kr 466,56
Each
Units
Heatsink Panel Mount Solid State Relay -