7805 Heatsink
Overview
Product sourcing insights & recommendations
I have completed a comprehensive analysis of the 7805 heatsink product and market trends. The findings show that while linear regulators like the 7805 are increasingly being replaced by switching converters in high-efficiency industrial applications, they remain a staple in noise-sensitive analog electronics and the DIY maker market.
Key highlights from the research include:
- Thermal Design: A heatsink is mandatory when power dissipation exceeds ~600mW, with aluminum TO-220 types being the industry standard for cost-effective cooling.
- Product Variety: Popular designs include U-shaped, wing-type, and extruded aluminum radiators, with prices starting as low as $0.02/piece for bulk orders.
- Market Shift: There is a clear trend toward surface-mount thermal management and DC-DC buck converters in modern commercial electronics to reduce BOM costs and heat generation.
Detailed specifications, thermal calculation guides, and a list of 50+ benchmark products from top suppliers in Shenzhen and Dongguan are included in the reports below.
Based on these market trends, you might want to:
7805 Heatsink To 220 Aluminium Heat Sink
Products · 2 lists
Triode IC Heat Sink TO-220 781 7805 TO-3P IC Aluminum Heatsink 34*12*30mm Cooling Fin Fan Black Cooler Radiator
Shenzhen Maoye Electronics Co., Ltd.🇨🇳CN8 yrs
Aluminum Extruded Heat Sink Anodized Cooling Fin 7805 781 TO-220 MOSFET Transistor Voltage Regulator Triode Fans Cooling
Dongguan Hongyi Hardware Electronic Technology Co., Ltd.verified🇨🇳CN6 yrs
7805 TO-220 Heatsink 20*15*10mm U Type Transistor Heat Sink Aluminium For MOS MOSFET Silver
Shenzhen Sungood Electronics Technology Co., Ltd.verified🇨🇳CN4 yrs
Aluminum Triode TO-220/7805 Heat Sink 15*10*16/20/25mm With Needle Radiator 16X15X10mm 20X15X10mm 25X15X10mm
Mirui Technology (shenzhen) Co., Ltd.🇨🇳CN6 yrs
TO-220 Heatsink for Transistor 7805 TO220 Package MOSfet U Type Aluminum Heat Sink 10*15*20mm
Shenzhen Jiexing Weiye Electronic Co., Ltd.🇨🇳CN17 yrs
Aluminum Transistor to 220/7805 Heat Sink 15*10*16/20/25mm Electronic Heat Sink with Pins
Smart Electronics Standard Aluminum Heat Sink TO-220/7805/7812 15x10x16/20/25/30/35mm with Needle White/Black
Shenzhen Smart Electronics Co., Ltd🇨🇳CN14 yrs
21x15x11mm Black Aluminum Heat Sink for TO-220 Mosfet Transistors With Pin Screw Hole
Shenzhen Ireesen Industrial Co., Ltd.🇨🇳CN6 yrs
In Stock Stamped Heatsink Aluminum TO-220 Heat Sinks with Pins for Transistor MOSFET Power Regulator Cooling
Dongguan Rongzhou Precision Hardware Products Co., Ltd.verified🇨🇳CN1 yr
20*15*10mm Aluminium Heatsink TO-220 TO 220 Heat Sink Transistor Radiator TO220 Cooler Cooling
Shenzhen Eshinede Technology Co., Ltd.🇨🇳CN8 yrs
Aluminium TO-220 Heatsink TO 220 Heat Sink Transistor Radiator TO220 Cooler Cooling 20*15*10MM
Shenzhen Sanruisheng Technology Co., Ltd.🇨🇳CN7 yrs
Custom Made Black Aluminum 6000 Series Heat Sink for TO-220 Transistors and Voltage Regulators with Cutting Service
Shenzhen Fuying Hardware Co., Ltd.🇨🇳CN2 yrs
High Quality Black Anodized Aluminum Heat Sink for TO220
SUNYON Industry Co., Ltd. Dongguan China🇨🇳CN16 yrs
Aluminium TO-220 Heatsink to 220 Heat Sink Transistor Radiator TO220 Cooler Cooling 20*15*10MM
MapleLeaf Industry Technology Company Limited🇨🇳CN3 yrs
Custom High Density Aluminum Heat Sink for High Power Supply Controller Industrial Cooling
Foshan Zp Aluminum Co., Ltd.verified🇨🇳CN11 yrs
Aluminium TO-220 Heatsink TO 220 Heat Sink Transistor Radiator TO220 Cooler Cooling 15*10MM Length 16 20 22 25 30 35 40 50 MM
Aluminium TO-220 Heatsink TO220 Cooler Cooling 20*15*10MM to 220 Heat Sink Transistor Radiator
Shenzhen Ruised Technology Co., Ltd.🇨🇳CN9 yrs
TO-220 Mini Chipset Heatsink 25*24*17mm
SUNYON Industry Co., Ltd. Dongguan China🇨🇳CN16 yrs
Factory To-220 Pin Fin 90mm Passive Led Thyristor Aluminum 100w Heatsink Profile Heatpipe Heatsink
Shenzhen Ecotherm Technology Co., Ltd.verified🇨🇳CN8 yrs
50*45*18mm to220 Heatsink Cooling Fin Cooler Radiator Aluminum Heat Sink for LED, Power IC Transistor, Module PBC
Shenzhen Nordson Electronics Co., Ltd.🇨🇳CN1 yr
Aluminium TO-220 Heatsink TO 220 Heat Sink Transistor Radiator TO220 Cooler Cooling 25X23X16MM White With 2Pin
Shenzhen Forever Electronic Technology Co., Ltd.🇨🇳CN12 yrs
TO220 Heatsink,extruded Heatsink,aluminium Radiator
Shenzhen Ireesen Industrial Co., Ltd.🇨🇳CN6 yrs
Aluminium TO-220 Heatsink TO 220 Heat Sink Transistor Radiator TO220 Cooler Cooling 20*15*10MM
Shenzhen Co-Etech Limited🇨🇳CN9 yrs
Aluminium TO-220 Heatsink TO 220 Heat Sink Transistor Radiator TO220 Cooler Cooling 23*16*50MM With 2 Pins 5pcs
Shenzhen Yongyetai Electronics Co., Ltd.🇨🇳CN5 yrs
TO-220/DT35 Aluminum Transistor Heatsink for 7812 36x35x12mm Cooling Block
Yueqing Nqqk Electric Factory🇨🇳CN10 yrs
Custom Electronic Heat Sink 23.5(W)*17(H)*30.5(L)mm Used for BGA PGA Heatsink TO-220, TO-247, TO-268 with Solder Pins and Clips
Suzhou Ame Aluminum Product Co., Ltd.🇨🇳CN18 yrs
Black Anodized TO-220 Heatsink 23(W)*16(H)*25(L)mm IC MOS Transistor Heatsink with Two Pins
Wuxi Hejiu Technology Co., Ltd.verified🇨🇳CN18 yrs
OEM Small Extruded To220 Aluminum Profiles Parts Memory Heatsink 20mm 25mm Cooler Black Anodize Transistor Heat Sink air Cooling
Dongguan Awind Electronic Technology Co., Ltd.verified🇨🇳CN13 yrs
Custom Extruded U-Type Aluminum Heat Sink Black Anodized Aluminium TO220 Heatsink for Electronic Components
Dongguan Rongzhou Precision Hardware Products Co., Ltd.verified🇨🇳CN1 yr
50*45*18mm to220 Heatsink Cooling Fin Cooler Radiator Aluminum Heat Sink for LED, Power IC Transistor, Module PBC
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Sources & References
24 sources cited · Verified industry data & reports
Trying to figure out if i need heatsink for 7805 but ...
Reddit · r/AskElectronics
The datasheet for CDIL LM7805 ( https://static1.squarespace.com/static/5416a926e4b09de8832655bc/t/62a7151001fe62376668ab19/1655117073203/LM7805.PDF ...
LM7805 Voltage Regulator: Pinout, Specifications, and Design
flywing-tech.com
Learn LM7805 pinout, circuit diagram, datasheet specs, dropout voltage, and thermal design so your 5V regulator runs stable.
When to use a heatsink for a voltage regulator?
Electrical Engineering Stack Exchange
Sometimes in small projects Im using voltage regulators with outputs 8V or 5V such as LM7805. Power is I*V but Im wondering when really a heatsink is ...
What 7805 Voltage Regulator IC Is and How It works
Blikai
The 7805 IC provides a +5 volts regulated power supply and includes provisions for adding a heat sink. Voltage: 7V Maximum Input Voltage: 35V ...
7805 & heat sink
EEVblog
7805 will heat less but 7812 will heat more. Total heat won't change. With over 7V overhead, heatsink alone is dumb brute-force method … you do ...
LM340, LM340A and LM7805 Family Wide VIN 1.5-A Fixed ...
Texas Instruments
These features paired with excellent line and load regulation make the LM340 and LM7805 Family versatile solutions to a wide range of power management designs.