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| Part Number | 2SK3666-2-TB-E | 2SK3666-3-TB-E | 2SK3666-4-TB-E |
| Manufacturer | onsemi | onsemi | onsemi |
| Series | * | - | - |
| Package/Case | - | TO-236-3, SC-59, SOT-23-3 | TO-236-3, SC-59, SOT-23-3 |
| Packaging | Tape & Reel (TR) | Tape & Reel (TR) | Tape & Reel (TR) |
| Product Status | Obsolete | Obsolete | Obsolete |
| FET Type | - | N-Channel | N-Channel |
| Voltage - Breakdown (V(BR)GSS) | - | - | 30 V |
| Drain to Source Voltage (Vdss) | - | 30 V | 30 V |
| Current - Drain (Idss) @ Vds (Vgs=0) | - | 1.2 mA @ 10 V | 2.5 mA @ 10 V |
| Current Drain (Id) - Max | - | 10 mA | 10 mA |
| Voltage - Cutoff (VGS off) @ Id | - | 180 mV @ 1 µA | 180 mV @ 1 µA |
| Input Capacitance (Ciss) (Max) @ Vds | - | 4pF @ 10V | 4pF @ 10V |
| Resistance - RDS(On) | - | 200 Ohms | 200 Ohms |
| Power - Max | - | 200 mW | 200 mW |
| Operating Temperature | - | 150°C (TJ) | 150°C (TJ) |
| Grade | - | - | - |
| Qualification | - | - | - |
| Mounting Type | - | Surface Mount | Surface Mount |
| Supplier Device Package | - | SMCP | SMCP |
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