Coil Heaters

Build-to-Order Heating Solutions

Coil Heaters

Build-to-Order Heating Solutions

The Right Thermal Solution for You

Precise. Durable. Versatile. Nexthermal Coil Heaters deliver the performance you need.

Common Applications

Plastic Injection Molding
Mass Spectrometry
Top Seal Packaging
Food Production

Nexthermal Coil Heaters

Range from Micro Mini to Maxi Coil heater so you can choose the right size and wattage capability for your application
Have internal thermocouple options or could be used with external thermocouples
Can be wound to directly fit a nozzle, embedded in a thermal mass for nozzle, formed into a grove for three dimensional heating, or would as an easy to remove cartridge heater alternative
Can be manufactured with longer cold sections to allow higher temperature applications to utilize flexible leads and moisture resistance

Coil Heater Profile Comparison

Round

Warranted Watt Density: 39 W/in²

Flat

Warranted Watt Density: 48 W/in²

Flat - Pressed in Brass

Warranted Watt Density: 96 W/in²

Mini - Pressed in Brass

Warranted Watt Density: 80 W/in²

OD Sheath

Warranted Watt Density: 65 W/in²

Wind from Stock

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2.5 mm x 3.4 mm (0.098″ x 0.134″) Flat Coil Heater

Standard 1000 mm (39.4″) Teflon and PTFE Leads Available w/ Ungrounded TC

Heated Length (in)

Total Length (in)

Watts

Volts

10.5
12.5
16
19
22
26
30
36
38
42
45
75.28
79
86.6

14.5
16.5
20
23
26
30
34
40
42
46
49
78.84
82.56
90.16

215
250
325
390
470
520
610
630
700
800
850
1050
1150
1300

240
240
240
240
240
240
240
240
240
240
240
240
240
240

Specifications

Micro Mini

Mini Flat

Mini Round

Square

Flat

Round

Maxi

Profiles

0.039″ x 0.067″
1.0 mm x 1.7 mm

0.051″ x 0.090″
1.3 mm x 2.3 mm

∅ 0.055″ or ∅ 0.070″
∅ 1.4 mm or ∅ 1.8 mm

0.118″ or 0.128″
3.0 mm or 3.25 mm

0.071″ x 0.126″
0.089″ x 0.165″
0.098″ x 0.134″
1.8 mm x 3.2 mm
2.2 mm x 4.2 mm
2.5 mm x 3.4 mm

∅ 0.118″
∅ 0.125″
∅ 0.157″
∅ 1.8 mm
∅ 2.2 mm
∅ 2.5 mm

0.181″ x 0.338″
4.6 mm x 8.6 mm

Minimum Inside Diameter

0.236″
6.00 mm

0.472″
12.00 mm

0.79″
20.0 mm

Voltage

120 V / 240 V

120 V / 240 V / 480 V

Minimum Bending Radius

0.118″
3.0 mm

0.236″
6.0 mm

0.393″
10.0 mm

Straight Heated Length

112.2″
2800 mm

86.6″
2800 mm

86.6″
2500 mm

Thermocouple Availability (Type J / Type K)

External

Internal or External

Material Options

SS321 or Nickel

SS321

Micro Mini

Profile
0.039″ x 0.067″
1.0 mm x 1.7 mm
Minimum Inside Diameter
0.236″
6.00 mm
Voltage
120 V / 240 V
Minimum Bending Radius
0.118″
3.0 mm
Straight Heated Length
112.2″
2800 mm
Thermocouple Availability (Type J / Type K)
External
Material Options
SS321 or Nickel

Mini Flat

Profile
0.051″ x 0.090″
1.3 mm x 2.3 mm
Minimum Inside Diameter
0.236″
6.00 mm
Voltage
120 V / 240 V
Minimum Bending Radius
0.118″
3.0 mm
Straight Heated Length
112.2″
2800 mm
Thermocouple Availability (Type J / Type K)
External
Material Options
SS321 or Nickel

Mini Round

Profile
∅ 0.055″ or ∅ 0.070″
∅ 1.4 mm or ∅ 1.8 mm
Minimum Inside Diameter
0.236″
6.00 mm
Voltage
120 V / 240 V
Minimum Bending Radius
0.118″
3.0 mm
Straight Heated Length
112.2″
2800 mm
Thermocouple Availability (Type J / Type K)
External
Material Options
SS321 or Nickel

Square

Profile
0.118″ or 0.128″
3.0 mm or 3.25 mm
Minimum Inside Diameter
0.472″
12.00 mm
Voltage
120 V / 240 V
Minimum Bending Radius
0.236″
6.0 mm
Straight Heated Length
86.6″
2800 mm
Thermocouple Availability (Type J / Type K)
Internal or External
Material Options
SS321

Flat

Profile
0.071″ x 0.126″
0.089″ x 0.165″
0.098″ x 0.134″
1.8 mm x 3.2 mm
2.2 mm x 4.2 mm
2.5 mm x 3.4 mm
Minimum Inside Diameter
0.472″
12.00 mm
Voltage
120 V / 240 V
Minimum Bending Radius
0.236″
6.0 mm
Straight Heated Length
86.6″
2800 mm
Thermocouple Availability (Type J / Type K)
Internal or External
Material Options
SS321

Round

Profile
∅ 0.118″
∅ 0.125″
∅ 0.157″
∅ 1.8 mm
∅ 2.2 mm
∅ 2.5 mm
Minimum Inside Diameter
0.472″
12.00 mm
Voltage
120 V / 240 V
Minimum Bending Radius
0.236″
6.0 mm
Straight Heated Length
86.6″
2800 mm
Thermocouple Availability (Type J / Type K)
Internal or External
Material Options
SS321

Maxi

Profile
0.181″ x 0.338″
4.6 mm x 8.6 mm
Minimum Inside Diameter
0.79″
20.0 mm
Voltage
120 V / 240 V / 480 V
Minimum Bending Radius
0.393″
10.0 mm
Straight Heated Length
86.6″
2500 mm
Thermocouple Availability (Type J / Type K)
Internal or External
Material Options
SS321

Lead Protection

Fiberglass Sleeving

Braided Metal Sleeving

Flexible Armor Cable

Exit Options

Exit 1

Exit 2

Exit 3

Exit 4

Exit 5

Exit 6

Exit 7

Exit 8

Exit 9

Constrictor

Precise. Durable. Versatile. Nexthermal Coil Heaters deliver the performance you need for plastic injection molding, mass spectrometry, top seal packaging, food production and your next innovation.

Coil Heater Assemblies