Comparison ledger
Heller MK7, Varian 0332 F 9453 302 Diffusion, side by side. Every value shown is drawn from the cited encyclopedia entries.
| Attribute | MK7Heller | |
|---|---|---|
| OEM | Heller | Varian |
| Category | Thermal / Diffusion | Thermal / Diffusion |
| Wafer size | — | — |
| Process node | — | — |
| Introduced | — | — |
| Production run | — | — |
| Lifecycle | — | — |
| Lifecycle milestones | — | — |
| Control system | — | — |
| Generation | — | — |
| Family | Heller MK7 | Varian 0332 F 9453 302 Diffusion |
| Cited variants | — | |
| Specifications | ||
| Process gas options | Air, Nitrogen[3] | — |
| Heated zones | 10[1] | — |
| Heated length (convection/total) | 3600 mm[1] | — |
| Cool zones | 3[3] | — |
| Max working temperature | Standard: 350°C; option: 400°C[3] | — |
| Maximum PCB width | 55.9 cm (22"); 61 cm optional[3] | — |
| Cleanroom option | Down to Class 1000[3] | — |
| Oven length | 5900 mm[3] | — |
| Equipment type | Reflow oven system[1] | — |
| ISO certification | ISO-certified[1] | — |
| Heated length | 360 cm (142 in)[4] | — |
| Oven Length | 5900 mm (1936MK7, 1913MK7), 3615 mm (1707MK7), 465 cm / 183" (1826MK7), 6774 mm (2043MK7 with 3 cooling zones)[1] | — |
| Heated Zones | 7 (1707MK7), 8 (1826MK7), 10 (1936MK7), 13 (1913MK7, 2043MK7)[2] | — |
| Heated Length (Convection/Total) | 1920 mm (1707MK7), 3600 mm (1936MK7), 3560 mm (1913MK7), 360 cm (1826MK7), 4390 mm (2043MK7)[2] | — |
| Cool Zones | 1 (1707MK7), 2 (1826MK7), 3 (1936MK7, 1913MK7, 2043MK7)[2] | — |
| Max Working Temperature | Standard: 350°C (Option: 400°C or 450°C depending on model)[2] | — |
| Industry 4.0 Compatibility | Compatible[1] | — |
| Integrated CPK Software | Included at no charge[2] | — |
| Flux Management System | Green flux management using catalyst, produces no waste byproduct, allows flux removal while oven is running[1] | — |
| Belt Speed (1826MK7, 2043MK7) | Up to 1.88 m/min[4] | — |
| Heater Module Width (1826MK7, 2043MK7) | 12" (30.5 cm)[4] | — |
| Power Inputs (2043MK7) | 208/240/380/400/415/440/480 VAC[5] | — |
| Max Current Draw (2043MK7) | 100 Amp @ 480v[5] | — |
| Continuous Power (2043MK7) | 13 - 20 kW[5] | — |
| N2 Consumption (2043MK7) | 500-700 SCFH (typical)[5] | — |
| Conveyor Speed (2043MK7) | 250 - 1,880 mm/min[5] | — |
| Oven Weight (2043MK7) | 4180 kg[5] | — |
| Asset Number | — | 142841[6] |
| Last Confirm Date | — | October 14, 2025[7] |
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