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T&M precision power low-inductance coaxial resistor M series, 20/30 watts high power, resistance 0.001~0.1 ohms optional
M series high-power coaxial resistors come in 4 different shapes and sizes
High wattage models are standard configuration. The 1M has a wattage of 20 watts, and the 2M has a wattage of 30 watts. Both the 1M and 2M casings are equipped with heat sinks.
The 1M fin model has 75 watts, and the 2M model has 125 watts. The specified wattage is based on unrestricted installation with a high-current connection.
The housing temperature should not exceed 140°F (60
°C).Additionally, the finned model requires an airflow of 100 cubic feet (2.8 cubic meters) per minute through its casing.
ambient temperature should not exceed 86°F (30°C). When operating above this temperature, the rated power should be reduced accordingly
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1M Models - 20 - Watt Hi-wattage Units - 4 3/4 Inch Overall Length
| Model | Resistance ohms | Bandpass MHz. | Risetime nsec. | Emax joules | |
| 1M-T10* | .05 | 1200 | 0.30 | 75 | |
| 1M-05 | .025 | 400 | 1 | 150 | |
| 1M-1 | .02 | 800 | 0.45 | 63 | |
| 1M-2 | .01 | 200 | 2 | 125 | |
| 1M-4 | .005 | 48 | 8 | 250 | |
| 1M-8 | .0025 | 12 | 30 | 500 | |
| 1M-10 | .002 | 8 | 45 | 625 | |
| 1M-16 | .00125 | 3.2 | 113 | 1000 | |
| 1M-20 | .001 | 2.2 | 164 | 1250 |
2M Models - 30 - Watt Hi-wattage Units - 6 3/4 Inch Overall Length
| Model | Resistance ohms | Bandpass MHz. | Risetime nsec. | Emax joules | |
| 2M-T10* | .1 | 800 | 0.45 | 150 | |
| 2M-05* | .05 | 400 | 1 | 300 | |
| 2M-1 | .04 | 400 | 1 | 125 | |
| 2M-2 | .02 | 200 | 2 | 250 | |
| 2M-4 | .01 | 48 | 8 | 500 | |
| 2M-8 | .005 | 12 | 30 | 1000 | |
| 2M-10 | .004 | 8 | 45 | 1250 | |
| 2M-16 | .0025 | 3.2 | 113 | 1250 | |
| 2M-20 | .002 | 2.2 | 164 | 2500 |
*These models slightly longer than stated. BNC output connector supplied as standard. Other connectors available.
CONTINUOUS DUTY RATINGS
| Model | Hi-Wattage | Finned Model | |
| 75 WATTS | 20 WATTS | 75 WATTS | |
| 125 WATTS | 30 WATTS | 125 WATTS |