Solid State 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 Mounting Type
RS Stock No. 922-5236
BrandRS PRO
MYR281.53
Each
units
Heatsink WG Series Solid State Relays - Snap-On Rail Mount
RS Stock No. 922-5249
BrandRS PRO
MYR36.74
Each
units
Thermal Pad WG Series Solid State Relays - -
RS Stock No. 922-5242
BrandRS PRO
MYR149.58
Each
units
Heatsink WG Series Solid State Relays - Snap-On Rail Mount
RS Stock No. 922-5227
BrandRS PRO
MYR225.58
Each
units
Heatsink WG Series Solid State Relays - Snap-On Rail Mount
RS Stock No. 922-5233
BrandRS PRO
MYR688.22
Each
units
Heatsink WG Series Solid State Relays - Snap-On Rail Mount
RS Stock No. 922-5239
BrandRS PRO
MYR386.39
Each
units
Heatsink WG Series Solid State Relays - Snap-On Rail Mount
RS Stock No. 701-8837
Mfr. Part No.HS151DR
MYR163.89
Each
units
Heatsink Crydom SSR - DIN Rail
RS Stock No. 703-4561
Mfr. Part No.HS501DR
MYR65.36
Each
units
Heatsink 1 x single or dual SSR - DIN Rail
RS Stock No. 800-2966
Mfr. Part No.077.25
BrandFinder
MYR243.24
Each
units
Heatsink 77.25 Series 77 Series DIN Rail
RS Stock No. 903-2958
Mfr. Part No.KHS-150C
BrandKudom
MYR169.80
Each
units
Heatsink Single Phase SSR, Two Phase SSR - Panel Mount
RS Stock No. 917-4860
Mfr. Part No.WF032000
BrandCelduc
MYR61.02
Each
units
Heatsink SKL10521 Solid State Relay - DIN Rail
RS Stock No. 499-0941
Mfr. Part No.WF070000
BrandCelduc
MYR251.14
Each
units
Heatsink SC Series, SG Series, SGT Series, SO Series, SVT Series - DIN Rail
RS Stock No. 776-7713
Mfr. Part No.WF108110
BrandCelduc
MYR143.07
Each
units
Heatsink SC Relay, SC Series, SO Relay - Chassis, DIN Rail
RS Stock No. 171-9070
Mfr. Part No.WF210000
BrandCelduc
MYR53.97
Each
units
Heatsink Single Phase Relay - -
RS Stock No. 917-4879
Mfr. Part No.WF042000
BrandCelduc
MYR59.38
Each
units
Heatsink SKL10510 Solid State Relay - DIN Rail
RS Stock No. 917-4872
Mfr. Part No.WF112100
BrandCelduc
MYR95.91
Each
units
Heatsink 22.5 mm SA and SU Solid State Relay - DIN Rail
RS Stock No. 903-2952
Mfr. Part No.KHS-150A
BrandKudom
MYR163.68
Each
units
Heatsink Single Phase SSR, Two Phase SSR - Panel Mount
RS Stock No. 701-8856
Mfr. Part No.HS201DR
MYR154.60
Each
units
Heatsink - - DIN Rail
RS Stock No. 703-4570
Mfr. Part No.HS122DR
MYR215.42
Each
units
Heatsink 1 or 2 single or dual SSR - DIN Rail
RS Stock No. 922-2111
Mfr. Part No.SSRHP05
MYR298.04
Each
units
Heatsink Panel Mount Solid State Relay - Panel Mount
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