Heat Sinks

Fans for Heat Sinks: CFM, Static Pressure and Noise

Fans for Heat Sinks: CFM, Static Pressure and Noise

BQUQ explains choosing fans for heat sinks: CFM versus static pressure, system impedance, operating point and the noise trade for forced-air cooling.

Heat Sinks2026-07-08142
Thermal Adhesives and Bonded Heat Sinks: When Glue Beats Clips

Thermal Adhesives and Bonded Heat Sinks: When Glue Beats Clips

BQUQ compares thermal adhesives, tapes and bonded heat sinks against clips and screws: conductivity, strength, temperature limits and cost decisions.

Heat Sinks2026-07-07193
Estimating Convection Coefficients: From Datasheet to Reality

Estimating Convection Coefficients: From Datasheet to Reality

BQUQ explains estimating convection coefficients for heat sinks: natural and forced ranges, fin channel effects, and why datasheet assumptions fail.

Heat Sinks2026-07-05115
Heat Sink Surface Area: The Number Behind Every Design

Heat Sink Surface Area: The Number Behind Every Design

BQUQ shows how to calculate heat sink surface area from watts, convection and temperature rise, with worked examples and extrusion packing numbers.

Heat Sinks2026-07-01126
Thermal Simulation vs Prototype Testing: What Each Tells You

Thermal Simulation vs Prototype Testing: What Each Tells You

BQUQ compares CFD simulation with prototype testing for heat sinks: accuracy ranges, when each is decisive, and validating before tooling in Dongguan.

Heat Sinks2026-06-30159
Inverter and VFD Cooling: Heat Sink Sizing for Drives

Inverter and VFD Cooling: Heat Sink Sizing for Drives

BQUQ walks inverter and VFD heat sink sizing: drive losses, IGBT junction limits, natural versus fan cooling, and aluminum sinks machined in Dongguan.

Heat Sinks2026-06-29179
Heat Sinks for Servers: Air, Cold Plate and the AI Load

Heat Sinks for Servers: Air, Cold Plate and the AI Load

BQUQ compares server cooling paths: air heat sinks, cold plates and AI loads, with Rth numbers, rack power limits and machining facts from Dongguan.

Heat Sinks2026-06-23191
Measuring Heat Sink Performance: Test Methods That Match Reality

Measuring Heat Sink Performance: Test Methods That Match Reality

BQUQ, a Dongguan source factory, reviews heat sink test methods: heater rigs, wind tunnels, thermocouple placement, and why lab results miss real airflow.

Heat Sinks2026-06-20224
LED Thermal Management: Junction Temperature and Lifetime

LED Thermal Management: Junction Temperature and Lifetime

BQUQ explains LED junction temperature, how Tj controls L70 lifetime, Rth budgeting, and heat sink sizing for LED modules machined and stamped in Dongguan.

Heat Sinks2026-06-19276
Fin Efficiency: Why Tall Thin Fins Stall

Fin Efficiency: Why Tall Thin Fins Stall

Fin efficiency explained by BQUQ: when tall thin fins stall, the m·L rule, and real limits for extruded aluminum heat sinks from a Dongguan factory.

Heat Sinks2026-06-18182
Applying TIMs Correctly: Thickness, Pressure and Pump-Out

Applying TIMs Correctly: Thickness, Pressure and Pump-Out

BQUQ explains TIM application: bond line thickness, mounting pressure, coverage and pump-out prevention. Dongguan source factory, quotes in 12 hours.

Heat Sinks2026-06-15191
Sizing Heat Sinks for Natural Convection

Sizing Heat Sinks for Natural Convection

BQUQ sizes natural convection heat sinks: area equation, fin spacing, black anodizing and orientation derates. Dongguan factory, quote in 12 hours.

Heat Sinks2026-06-10191
Designing an Extrusion Profile for a Heat Sink

Designing an Extrusion Profile for a Heat Sink

BQUQ explains extrusion profile heat sink design: 6063 alloy, fin aspect limits, die cost and tolerances. Dongguan source factory, quotes in 12 hours.

Heat Sinks2026-06-09329
Liquid Cold Plates: Channel Design and Materials

Liquid Cold Plates: Channel Design and Materials

BQUQ explains liquid cold plate channel design: copper vs aluminum, serpentine vs microchannel, pressure drop and leak tests. Dongguan quote in 12 hours.

Heat Sinks2026-06-05307
Heat Pipe vs Vapor Chamber: Picking the Right Spreader

Heat Pipe vs Vapor Chamber: Picking the Right Spreader

BQUQ compares heat pipes vs vapor chambers: power limits, thickness, cost, gravity sensitivity, and when to choose each. Dongguan quote in 12 hours.

Heat Sinks2026-06-04323

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