Heat Pipes Capabilities

The selection of the optimal heat pipe solution depends upon the customer’s exact specifications, budget, and design constraints.

Cofan-USA’s flexible solutions:

  • Lead time of less than one week for various diameters and lengths
  • Copper; multiple plating options available to suit the application
  • > Example: Nickel plated heat pipes for outdoor/harsh environments
  • Custom bending done in-house for use in any hardware layout
  • Various heat pipe diameters
  • > Small diameters for constrained environments and larger diameters for maximum performance
    Diameter, D ±0.05mm
    4mm 5mm 6mm 6.35mm 8mm 9mm 9.6mm 10mm 12mm 12.7mm 16mm
    Maximum Recommended Length (A)
    3mm 4mm 6mm 6mm 8mm 9mm 9mm 10mm 12mm 12mm 16mm
    Maximum Recommended Length (B)
    8mm 8mm 10mm 10mm 11mm 11mm 11mm 12mm 14mm 14mm 18mm
    Overall Length, L ±1.00mm 75 to 600mm 120 to 600mm
  • Various heat pipe lengths of up to 600mm
  • > Off-shelf lengths for readily available stock
    > Customer specified lengths for custom solutions
  • Cofan-USA offers heat pipes with a wide range of heat transfer capabilities suitable for your specific heat output and dimensional constraints. Heat transfer capabilities of various heat pipes~
  • * Length = 150 mm
    Screen Mesh
    Diameter
    t
    =
    T
    h
    i
    c
    k
    n
    e
    s
    s
    Copper 4
    mm
    5
    mm
    6
    mm
    8
    mm
    t = 2.0mm 0.65~0.90; 15 0.50~0.80; 18 0.35~0.60; 35 0.30~0.55; 45
    t = 2.5mm 0.55~0.80; 18 0.45~0.65; 22 0.25~0.40; 40 0.20~0.35; 50
    t = 3.0mm 0.50~0.70; 20 0.45~0.60; 25 0.25~0.35; 45 0.20~0.30; 55
    Round 0.50~0.70; 20 0.40~0.55; 25 0.20~0.35; 45 0.15~0.30; 60
    R[°C/W]; Qmax[Watt]
    Groove
    Diameter
    t
    =
    T
    h
    i
    c
    k
    n
    e
    s
    s
    Copper 4
    mm
    5
    mm
    6
    mm
    8
    mm
    t = 2.0mm 0.40~0.70; 5 0.40~0.60; 5
    t = 2.5mm 0.04~0.06; 25 0.03~0.05; 40
    t = 3.0mm 0.03~0.05; 30
    0.03~0.04; 60
    t = 4.5mm 0.003~0.015; 70
    Round 0.03~0.05; 35 0.02~0.03; 65 0.002~0.007; 80
    R[°C/W]; Qmax[Watt]
    Sintering Powder
    Diameter
    t
    =
    T
    h
    i
    c
    k
    n
    e
    s
    s
    Copper 4
    mm
    5
    mm
    6
    mm
    8
    mm
    t = 2.0mm 0.35~0.60; 5
    t = 2.5mm 0.04~0.06; 25 0.03~0.05; 40
    t = 3.0mm 0.03~0.05; 30 0.03~0.04; 60
    t = 4.5mm 0.003~0.011; 70
    Round 0.03~0.05; 35 0.02~0.03; 65 0.002~0.004; 80
    R[°C/W]; Qmax[Watt]

Cofan-USA’s comprehensive services:

  • Custom bending done in-house
  • Lead time of one week
  • 100% Inspection of all heat pipes, before and after bending
  • > All heat pipes must pass stringent heat transfer tests to reach a minimum temperature gradient within a minimal time period (Delta T < 4 degrees C, time period ~ 7 seconds)
  • ISO9001 Certified Facilities
  • Manufacturing capacity: 500,000 heat pipes/month, with lead times of less than one week
  • R&D team dedicated to continuous quality improvement and product development
  • Design of custom heat sink/heat pipe solutions in active or passive forms, tailored to your specific application
  • Minimal lead time through seamless analysis, design, prototyping and mass production (one-stop shop)