DOWBYTE

Dow Corning 340 Silicone Heat Sink Compound 142g (5oz) Thermal Conductive Silicone Grease IGBT Heat Dissipation Paste for Electrical Devices PCB Assemblies and Computer CPU Non Flowing

Name: Dow Corning 340 Silicone Heat Sink Compound 142g (5oz) Thermal Conductive Silicone Grease IGBT Heat Dissipation Paste for Electrical Devices PCB
Brand: DOWBYTE
SKU: B0FSS8XNKF
Price: 39.95 USD
Availability: InStock

By SpecPicks Editorial · Verified 2026-07-22

$39.95

Buy on Amazon — $39.95 Compare to similar processors

*Price sourced from Amazon.com. Last updated 2026-07-22. Price and availability subject to change.

Bottom line: The Dow Corning 340 Silicone Heat Sink Compound 142g (5oz) Thermal Conductive Silicone Grease IGBT Heat Dissipation Paste for Electrical Devices PCB Assemblies and Computer CPU Non Flowing is a niche pick — read recent reviews before buying in the processors category, priced around $39.95. Read recent reviews carefully before committing.

340 Heat Sink Compound:5oz (142g)White, non-curing and non-flowing thermally conductive compound, suitable for thermal coupling of electrical devices and PCB assemblies to heat sinks. used as a base seat and mounting bolt for transistors, diodes, and thyristor rectifiers. It is an ideal choice for heat dissipation in electronic chips and devices.Features & BenefitsNon-flowingModerate thermal conductivityNo need for ovens or curingHeat flow away from circuitry components can increase reliabilityApplicationsThermal management solutions: Helps heat flow from circuit components to the heat sink…

SpecPicks Verdict

SpecPicks classifies Dow Corning 340 Silicone Heat Sink Compound 142g (5oz) Thermal… as a niche pick — read recent reviews before buying in the processors category, based on our editorial and benchmark analysis and our ranking model that weights rating × review-volume × price-fit. DOWBYTE's positioning sits within the broader category mid-tier. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.

Common buyer scenarios for processors of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.

Pros & Cons

Pros

✓ Backed by DOWBYTE's warranty and support channels
✓ Ships via Amazon with Prime eligibility and the standard returns policy

Cons

✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified

Key Features

340 Heat Sink Compound: 5oz (142g), silicone thermal compound designed for efficient heat transfer between electrical devices, PCB assemblies, and heat sinks. It provides reliable thermal coupling. Ideal for heat dissipation of electronic chips and equipment.
Applications: Used to thermally couple electrical components, PCBs, and heat sinks for improved heat dissipation.Ideal for compact, high-performance electronics, industrial equipment, and automotive applications.Helps reduce thermal resistance and improve device efficiency by directing heat away from critical components.
Key Features: High thermal conductivity, high dielectric strength and Insulation Performance, non-flowing and non-curing, effectively transfers heat for reliable cooling, low bleed and high temperature stability, no need for ovens or curing, Provides excellent electrical insulation and safety.
Performance Data: Thermal Conductivity: 0.67 W/m·K; Viscosity: 542,000 CP; Density: 2.1 g/cm³; Dielectric Strength: 210 V/mil; Volume Resistivity: 2 × 10¹⁵ Ω·cm; Color: White; Flash Point: >101.1°C
Notes: Keep the product sealed in its original container to prevent contamination. Store in a cool, dry place and use within the product’s stated shelf life. Avoid prolonged or direct exposure to solvents.

Full Specifications

Brand	DOWBYTE
Weight	5oz
Material	Silicone
Item Form	US
Unit Count	5.0 Ounce
Flash Point	101 Degrees Celsius
Part Number	LTFBA004
Liquid Volume	147.87 Milliliters
Container Type	Tube
Number of Items	1
Included Components	1
Package Information	Tube
Specific Uses For Product	Prevent Corrosion, Manage Heat in Electronics
Recommended Uses For Product	Automotive, Electrical, Industrial

Ready to buy?

Dow Corning 340 Silicone Heat Sink Compound 142g (5oz) Thermal Conductive Silicone Grease IGBT Heat Dissipation Paste for Electrical Devices PCB Assemblies and Computer CPU Non Flowing is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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*Price sourced from Amazon.com. Last updated 2026-07-22. Price and availability subject to change.