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. 701-8837
Mfr. Part No.HS151DR
MYR199.75
Each
units
Heatsink Crydom SSR - DIN Rail
RS Stock No. 703-4561
Mfr. Part No.HS501DR
MYR72.49
Each
units
Heatsink 1 x single or dual SSR - DIN Rail
RS Stock No. 800-2966
Mfr. Part No.077.25
BrandFinder
MYR219.96
Each
units
Heatsink 77.25 Series 77 Series DIN Rail
RS Stock No. 903-2958
Mfr. Part No.KHS-150C
Brandi-Autoc
MYR167.21
Each
units
Heatsink Single Phase SSR, Two Phase SSR - Panel Mount
RS Stock No. 922-5233
BrandRS PRO
MYR718.11
Each
units
Heatsink WG Series Solid State Relays - Snap-On Rail Mount
RS Stock No. 701-8856
Mfr. Part No.HS201DR
MYR171.62
Each
units
Heatsink - - DIN Rail
RS Stock No. 703-4570
Mfr. Part No.HS122DR
MYR238.78
Each
units
Heatsink 1 or 2 single or dual SSR - DIN Rail
RS Stock No. 922-2127
Mfr. Part No.SSRHP25
MYR114.93
Each
units
Heatsink Panel Mount Solid State Relay - Panel Mount
RS Stock No. 857-7242
Mfr. Part No.RHS45B
MYR317.47
Each
units
Heatsink Assembly 1-Phase SSR - DIN Rail
RS Stock No. 903-2955
Mfr. Part No.KHS-1BD
Brandi-Autoc
MYR76.81
Each
units
Heatsink Single Phase SSR - DIN Rail
RS Stock No. 922-2114
Mfr. Part No.SSRHD10
MYR263.49
Each
units
Heatsink Panel Mount Solid State Relay - Panel Mount
RS Stock No. 922-5227
BrandRS PRO
MYR246.31
Each
units
Heatsink WG Series Solid State Relays - Snap-On Rail Mount
RS Stock No. 917-4866
Mfr. Part No.WF031200
BrandCelduc
MYR1,241.45
Each
units
Heatsink SP/3P Solid Sate Relay - DIN Rail
RS Stock No. 922-2117
Mfr. Part No.SSRHP02
MYR607.00
Each
units
Heatsink Panel Mount Solid State Relay - Panel Mount
RS Stock No. 171-9070
Mfr. Part No.WF210000
BrandCelduc
MYR71.74
Each
units
Heatsink Single Phase Relay - -
RS Stock No. 917-4872
Mfr. Part No.WF112100
BrandCelduc
MYR190.02
Each
units
Heatsink 22.5 mm SA and SU Solid State Relay - DIN Rail
RS Stock No. 775-3170
Mfr. Part No.RHS37A
MYR92.15
Each
units
Heatsink RGS Series - DIN Rail
RS Stock No. 499-0941
Mfr. Part No.WF070000
BrandCelduc
MYR418.24
Each
units
Heatsink SC Series, SG Series, SGT Series, SO Series, SVT Series - DIN Rail
RS Stock No. 903-2952
Mfr. Part No.KHS-150A
Brandi-Autoc
MYR195.91
Each
units
Heatsink Single Phase SSR, Two Phase SSR - Panel Mount
RS Stock No. 776-7713
Mfr. Part No.WF108110
BrandCelduc
MYR191.66
Each
units
Heatsink SC Relay, SC Series, SO Relay - Chassis, DIN Rail