Heat Sinks since 1991

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Barra quadra - Standard Profiles
Barra quadra - Standard Profiles

Code: Barra quadra
Standard Profiles

Lega BxS Dimensione Peso al metro
6060 6 0,098
6060 8 0,173
6060 10 0,27
6060 12 0,338
6082 15 0,608
6060 15 0,608
6082 18 0,875
6082 20 1,08
2011 20 1,08
6060 20 1,08
6082 25 1,69
2011 25 1,69
6082 30 2,43
2011 30 2,43
6082 35 3,307
2011 35 3,307
6082 40 4,32
2011 40 4,32
6082 45 5,468
6082 50 6,75
2011 50 6,75
6082 55 8,168
6082 60 9,72
2011 60 9,72
6082 65 11,407
6082 70 13,23
2011 70 13,23
6082 80 17,28
2011 80 17,28
6082 90 21,9
2011 90 21,9
6082 100 27
2011 100 27
6082 110 32,67
2011 110 32,67
6082 120 38,88
2011 120 38,88
6082 130 45,63
6082 140 52,92
6082 150 60,75
6082 160 69,12
6082 170 77,03
6082 180 87,48
6082 200 108
Codice KN MAX I F H
Codice KN MAX I F H
Codice KN MAX I F H
Codice KN MAX I F H
Codice KN MAX I F H
Codice KN MAX I F H

Length: 0.00 mm

Weight: 0.00 kg/m

Weight A: 0.00 kg/m

Weight B: 0.00 kg/m

Height: 0.00 mm


Forced ventilation:

Rt:

Sample length: 0.00mm

Applied power: 0.00W

Vel. Fan: 0.00m/s

Natural ventilation:

Rt

Sample width: 0.00mm

Applied power: 0.00W

Barra quadra - Standard Profiles


Within this catalog, heat sinks are organized based on their shape and dimensions expressed in millimeters. Each profile is characterized by the following parameters:

  • Weight: expressed in kilograms per meter of profile length (Kg/m).
  • Length: indicated in millimeters and used for calculating thermal resistance (L).
  • Width: also in millimeters, considered for calculating thermal resistance (°C/W), applicable only to high-efficiency heat sinks.
  • Thermal Resistance in Natural Convection: expressed in °C/W with a temperature difference of 70°C (compared to an ambient temperature of 25°C).
  • Thermal Resistance in Forced Convection: also expressed in °C/W, with an air velocity of 3 m/s and a temperature difference of 50°C.

The values of thermal resistance have been determined through a thermal simulation program designed to replicate realistic conditions. In particular:

  • The heat source is uniformly distributed over approximately 50% of the dissipation surface, with central positioning on the heat sink.
  • To maximize natural convection heat dissipation efficiency, the heat sink is designed with vertical fins. For horizontal installations, it is advisable to consider an increase of approximately 20% in thermal resistance.
  • The surface of the heat sink is not subject to additional treatments.

Regarding black anodized heat sinks in natural convection, the thermal resistance is reduced by approximately 10%.

As the length of the heat sink increases, the thermal resistance decreases following a nonlinear law. The indicated values refer to the specified lengths; for different lengths, consult the “Length Correction Factor” graph to calculate the multiplication factor to be applied to the thermal resistance, both in natural and forced convection.

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