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| Part Number | FDS8958 | FDS8958B | FDS8958A | FDS8978 | FDS9958 |
|---|---|---|---|---|---|
| Manufacturer | Fairchild Semiconductor | onsemi | onsemi | onsemi | onsemi |
| Product Status | Obsolete | Active | Active | Active | Active |
| FET Type | N and P-Channel | N and P-Channel | N and P-Channel | 2 N-Channel (Dual) | 2 P-Channel (Dual) |
| FET Feature | Logic Level Gate | Logic Level Gate | Logic Level Gate | Logic Level Gate | Logic Level Gate |
| Drain to Source Voltage (Vdss) | 30V | 30V | 30V | 30V | 60V |
| Current - Continuous Drain (Id) @ 25°C | 7A, 5A | 6.4A, 4.5A | 7A, 5A | 7.5A | 2.9A |
| Rds On (Max) @ Id, Vgs | 28mOhm @ 7A, 10V | 26mOhm @ 6.4A, 10V | 28mOhm @ 7A, 10V | 18mOhm @ 7.5A, 10V | 105mOhm @ 2.9A, 10V |
| Vgs(th) (Max) @ Id | 3V @ 250µA | 3V @ 250µA | 3V @ 250µA | 2.5V @ 250µA | 3V @ 250µA |
| Gate Charge (Qg) (Max) @ Vgs | 26nC @ 10V | 12nC @ 10V | 16nC @ 10V | 26nC @ 10V | 23nC @ 10V |
| Input Capacitance (Ciss) (Max) @ Vds | 789pF @ 10V | 540pF @ 15V | 575pF @ 15V | 1270pF @ 15V | 1020pF @ 30V |
| Power - Max | 2W | 900mW | 900mW | 1.6W | 900mW |
| Operating Temperature | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | - | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC |