Comparison ledger
Heller 1809 MK III SMT, Varian 0332 F 9453 302 Diffusion, side by side. Every value shown is drawn from the cited encyclopedia entries.
| Attribute | 1809 MK III SMTHeller | |
|---|---|---|
| OEM | Heller | Varian |
| Category | Thermal / Diffusion | Thermal / Diffusion |
| Wafer size | — | — |
| Process node | — | — |
| Introduced | — | — |
| Production run | — | — |
| Lifecycle | — | — |
| Lifecycle milestones | — | — |
| Control system | — | — |
| Generation | — | — |
| Family | Heller 1809 | Varian 0332 F 9453 302 Diffusion |
| Specifications | ||
| Configuration | 50/60 Hz[1] | — |
| Voltage | 220V[1] | — |
| Make | Heller[1] | — |
| Model | 1809 MK III[1] | — |
| Product type | SMT Reflow Oven[1] | — |
| Heating zones | 9 heating zones (top and bottom, forced convection)[3] | — |
| Cooling zones | 2[3] | — |
| Heated tunnel length | 105 cm (254 cm)[3] | — |
| Large PCB width | 20 cm (50.8 cm)[3] | — |
| Power input | 3 phase, standard 480 volts[3] | — |
| Frequency | 50/60 Hz[1] | — |
| Typical net weight | 4350 lbs. (1970 kg)[3] | — |
| Temperature range | 60-350 C standard[3] | — |
| Maximum temperature | Up to 450 C[3] | — |
| Temperature control accuracy | +/- 0.1 C[3] | — |
| Cross-belt temperature tolerance | +/- 2.0 C[3] | — |
| Heater wattage per zone | 6000 W[3] | — |
| Asset Number | — | 142841[4] |
| Last Confirm Date | — | October 14, 2025[5] |
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