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| Part Number | SMP4220ATR | SMP4220TR | SMP4220 | SMP4220A |
| Manufacturer | InterFET | InterFET | InterFET | InterFET |
| Series | SMP4220 | SMP4220 | SMP4220 | SMP4220 |
| Package/Case | SOT-23-3 | SOT-23-3 | SOT-23-3 | SOT-23-3 |
| Packaging | Tape & Reel (TR) | Tape & Reel (TR) | Strip | Strip |
| Product Status | Active | Active | Active | Active |
| FET Type | N-Channel | N-Channel | N-Channel | N-Channel |
| Voltage - Breakdown (V(BR)GSS) | - | - | - | - |
| Drain to Source Voltage (Vdss) | 30 V | 30 V | 30 V | 30 V |
| Current - Drain (Idss) @ Vds (Vgs=0) | 1 mA @ 15 V | 1 mA @ 15 V | 1 mA @ 15 V | 1 mA @ 15 V |
| Current Drain (Id) - Max | - | - | - | - |
| Voltage - Cutoff (VGS off) @ Id | 1 V @ 0.1 nA | 1 V @ 0.1 nA | 1 V @ 0.1 nA | 1 V @ 0.1 nA |
| Input Capacitance (Ciss) (Max) @ Vds | 3pF @ 15V | 3pF @ 15V | 3pF @ 15V | 3pF @ 15V |
| Resistance - RDS(On) | 800 Ohms | 800 Ohms | 800 Ohms | 800 Ohms |
| Power - Max | 350 mW | 350 mW | 350 mW | 350 mW |
| Operating Temperature | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) |
| Grade | - | - | - | - |
| Qualification | - | - | - | - |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Supplier Device Package | SOT-23-3 | SOT-23-3 | SOT-23-3 | SOT-23-3 |
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