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| PartNumber | U1897 | U189 | U1897-18 |
| Description | JFET NFET/S | ||
| Manufacturer | ON Semiconductor | Fairchild Semiconductor | - |
| Product Category | JFET | IC Chips | - |
| RoHS | T | - | - |
| Mounting Style | Through Hole | - | - |
| Package / Case | TO-92 | - | - |
| Transistor Polarity | N-Channel | - | - |
| Configuration | Single | - | - |
| Vgs Gate Source Breakdown Voltage | - 40 V | - | - |
| Drain Source Current at Vgs=0 | 30 mA | - | - |
| Rds On Drain Source Resistance | 30 Ohms | - | - |
| Pd Power Dissipation | 625 mW | - | - |
| Packaging | Bulk | Bulk | - |
| Type | JFET | - | - |
| Brand | ON Semiconductor / Fairchild | - | - |
| Factory Pack Quantity | 2000 | - | - |
| Unit Weight | 0.007090 oz | - | - |
| Series | - | - | - |
| Package Case | - | TO-226-3, TO-92-3 (TO-226AA) | - |
| Mounting Type | - | Through Hole | - |
| Supplier Device Package | - | TO-92-3 | - |
| FET Type | - | N-Channel | - |
| Power Max | - | 625mW | - |
| Voltage Breakdown V BRGSS | - | 40V | - |
| Drain to Source Voltage Vdss | - | - | - |
| Current Drain Idss Vds Vgs=0 | - | 30mA @ 20V | - |
| Current Drain Id Max | - | - | - |
| Voltage Cutoff VGS off Id | - | 5V @ 1nA | - |
| Input Capacitance Ciss Vds | - | 16pF @ 20V | - |
| Resistance RDS On | - | 30 Ohm | - |