| Part Number | NTD4959N-1G | NTD4959NH-1G | 
|---|---|---|
| Manufacturer | onsemi | onsemi | 
| Category | Transistors - FETs, MOSFETs - Single | Transistors - FETs, MOSFETs - Single | 
|   |   | |
| Product Status | Obsolete | Obsolete | 
| FET Type | N-Channel | N-Channel | 
| Technology | MOSFET (Metal Oxide) | MOSFET (Metal Oxide) | 
| Drain to Source Voltage (Vdss) | 30 V | 30 V | 
| Current - Continuous Drain (Id) @ 25°C | 9A (Ta), 58A (Tc) | 9A (Ta), 58A (Tc) | 
| Drive Voltage (Max Rds On, Min Rds On) | 4.5V, 11.5V | 4.5V, 11.5V | 
| Rds On (Max) @ Id, Vgs | 9mOhm @ 30A, 10V | 9mOhm @ 30A, 10V | 
| Vgs(th) (Max) @ Id | 2.5V @ 250µA | 2.5V @ 250µA | 
| Gate Charge (Qg) (Max) @ Vgs | 25 nC @ 11.5 V | 44 nC @ 11.5 V | 
| Vgs (Max) | ±20V | ±20V | 
| Input Capacitance (Ciss) (Max) @ Vds | 1456 pF @ 12 V | 2155 pF @ 12 V | 
| FET Feature | - | - | 
| Power Dissipation (Max) | 1.3W (Ta), 52W (Tc) | 1.3W (Ta), 52W (Tc) | 
| Operating Temperature | -55°C ~ 175°C (TJ) | -55°C ~ 175°C (TJ) | 
| Mounting Type | Through Hole | Through Hole | 
| Supplier Device Package | I-PAK | I-PAK | 
| Package / Case | TO-251-3 Short Leads, IPak, TO-251AA | TO-251-3 Short Leads, IPak, TO-251AA |