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. 922-5233
BrandRS PRO
MYR688.22
Each
units
Heatsink WG Series Solid State Relays - Snap-On Rail Mount
RS Stock No. 922-5242
BrandRS PRO
MYR138.67
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. 922-5227
BrandRS PRO
MYR225.58
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. 922-5236
BrandRS PRO
MYR281.53
Each
units
Heatsink WG Series Solid State Relays - Snap-On Rail Mount
RS Stock No. 701-8837
Mfr. Part No.HS151DR
MYR118.45
Each
units
Heatsink Crydom SSR - DIN Rail
RS Stock No. 703-4561
Mfr. Part No.HS501DR
MYR56.63
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. 922-2114
Mfr. Part No.SSRHD10
MYR225.97
Each
units
Heatsink Panel Mount Solid State Relay - Panel Mount
RS Stock No. 703-4555
Mfr. Part No.HS103
MYR259.11
Each
units
Heatsink - - Panel Mount
RS Stock No. 123-3855
Mfr. Part No.HS259DR-RSC1
MYR134.04
Each
units
Heatsink NOVA22 Panel Mount SSR, NOVA22 SSRs - DIN Rail
RS Stock No. 703-4577
Mfr. Part No.HS202DR
MYR170.61
Each
units
Heatsink - - DIN Rail
RS Stock No. 171-9092
Mfr. Part No.WF121000
BrandCelduc
MYR227.32
Each
units
Heatsink SC Series, SG Series, SGT Series, SO Series, SVT Series - Chassis, DIN Rail
RS Stock No. 701-8856
Mfr. Part No.HS201DR
MYR133.78
Each
units
Heatsink - - DIN Rail
RS Stock No. 903-2955
Mfr. Part No.KHS-1BD
BrandKudom
MYR71.67
Each
units
Heatsink Single Phase SSR - DIN Rail
RS Stock No. 703-4552
Mfr. Part No.HS053
MYR421.16
Each
units
Heatsink 1 x 3 phase SSR, 1, 2 or 3 single or dual SSR - Panel Mount
RS Stock No. 922-2120
Mfr. Part No.SSRHP10
MYR242.86
Each
units
Heatsink Panel Mount Solid State Relay - 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. 922-2127
Mfr. Part No.SSRHP25
MYR126.79
Each
units
Heatsink Panel Mount Solid State Relay - Panel Mount
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