| PartNumber | 2SK3666-3-TB-E | 2SK3666-2-TB-E | 2SK3666-4-TB-E |
| Description | JFET SWITCHING DEVICE | JFET SWITCHING DEVICE | JFET NCH J-FET |
| Manufacturer | ON Semiconductor | ON Semiconductor | ON Semiconductor |
| Product Category | JFET | JFET | JFET |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | SC-59-3 | SOT-23-3 | SC-59 |
| Transistor Polarity | N-Channel | N-Channel | N-Channel |
| Configuration | Single | Single | - |
| Vds Drain Source Breakdown Voltage | 30 V | 30 V | 30 V |
| Vgs Gate Source Breakdown Voltage | - 30 V | - | - |
| Drain Source Current at Vgs=0 | 3 mA | - | 6 mA |
| Id Continuous Drain Current | 10 mA | 1.5 mA | - |
| Rds On Drain Source Resistance | 200 Ohms | 200 Ohms | - |
| Pd Power Dissipation | 200 mW | 200 mW | 200 mW |
| Maximum Operating Temperature | + 150 C | + 150 C | - |
| Series | 2SK3666 | 2SK3666 | 2SK3666 |
| Packaging | Reel | Reel | Reel |
| Type | JFET | - | JFET |
| Brand | ON Semiconductor | ON Semiconductor | ON Semiconductor |
| Forward Transconductance Min | 3 ms | - | - |
| Gate Source Cutoff Voltage | - 1 nA | - | - |
| Factory Pack Quantity | 3000 | 3000 | 3000 |
| Unit Weight | 0.000282 oz | 0.000282 oz | 0.000282 oz |
| Technology | - | Si | - |
| Minimum Operating Temperature | - | - 55 C | - |
| Product Type | - | JFETs | - |
| Subcategory | - | Transistors | - |