| Manufacturer | ON Semiconductor | |
|---|---|---|
| Series | UniFET™ | |
Packaging  | Tube | |
| Part Status | Active | |
| FET Type | N-Channel | |
| Technology | MOSFET (Metal Oxide) | |
| Drain to Source Voltage (Vdss) | 250V | |
| Current - Continuous Drain (Id) @ 25°C | 51A (Tc) | |
| Drive Voltage (Max Rds On, Min Rds On) | 10V | |
| Vgs(th) (Max) @ Id | 5V @ 250µA | |
| Gate Charge (Qg) (Max) @ Vgs | 70nC @ 10V | |
| Vgs (Max) | ±30V | |
| Input Capacitance (Ciss) (Max) @ Vds | 3410pF @ 25V | |
| FET Feature | - | |
| Power Dissipation (Max) | 38W (Tc) | |
| Rds On (Max) @ Id, Vgs | 60 mOhm @ 25.5A, 10V | |
| Operating Temperature | -55°C ~ 150°C (TJ) | |
| Mounting Type | Through Hole | |
| Supplier Device Package | TO-220F | |
| Package / Case | TO-220-3 Full Pack |
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Scientists are very interested in the south polar region of Mars because it is the "big reservoir" on Mars, and the total amount of water in the ice sheet is considerable. Based on the polar ice caps, researchers can determine the amount of water loss of Mars, equivalent to about 6.5 times the mass of the polar ice caps, current which means ancient Martian ocean at least 2000 cubic kilometers. Michael, a senior scientist at Goddard, thinks Mars has lost too much water, so the wet time on Mars could last longer, meaning Mars can live longer.
