Hitachi 2M121A is fixed frequency continuous wave magnetron intended for use in microwave ovens and industrial microwave heating applications.
The useful RF power output at 2455 MHz band is approx. 1.4 kW into a matched load.
| No. | Item | Symbol | Min. | Max. | Unit |
|---|---|---|---|---|---|
| 1 | Filament surge current | - | - | 100 | Aac |
| 2 | Filament voltage (pre-heating) | Ef | 4.3 | 5.0 | Vac |
| 3 | Filament voltage (operation) | Ef | 3.6 | 4.0 | Vac |
| 4 | Cathode pre-heating time | tk | 8 | - | s |
| 5 | Peak anode voltage | ebm | - | 4.7 | kVp |
| 6 | Peak anode current | ibm | - | 1.8 | Ap |
| 7 | Average anode current | Ib | - | 525 | mAdc |
| 8 | Average input power | Pi | - | 2.3 | kW |
| 9 | Load VSWR | σL | - | 4 | - |
| 10 | Anode temperature | Tp | - | 180 | °C |
| No. | Item | Test conditions | Symbol | Typ. | Min. | Max. | Unit |
|---|---|---|---|---|---|---|---|
| 1 | Filament current (pre-heating) | tk = 120 s (Min.) | If | 14.0 | 13.0 | 15.0 | Aac |
| 2 | Peak anode voltage | - | ebm | 4.5 | 4.2 | 4.7 | kVp |
| 3 | Average power output | Ib = 450 mA | Po | 1450 | 1300 | - | W |
| 4 | Frequency (matched load) | Ib = 450 mA | fo | 2455 | 2440 | 2470 | MHz |
| 5 | Breakdown voltage | Ef = 0, ebm = 0 | Et | - | 10.0 | - | kVdc |
| No. | Item | Test conditions |
|---|---|---|
| 1 | Power supply | Single phase, full-wave rectifier without filter |
| 2 | Filament voltage | Ef = 4.6 V (pre-heating), Ef = 4.6 V [operation (Ib = 450 mAdc)] |
| 3 | Average anode current | Ib = 450 mAdc |
| 4 | Load VSWR | σL = 1.1 or less |
| 5 | Cooling air flow | Q = 1.5 m3/min or greater |
Please choose the type of outline from inline or not inline.
Weight : approx. 1.4 kg
2M121A Performance Chart
2M121A Filament Voltage Reduction Chart
