The 2N4391 is an N-channel JFET designed for low-noise analog switching, chopper, and commutator applications. It is available in a TO-18 hermetically sealed package, weighing approximately 0.29 grams, and meets RoHS compliance and UL 94 V-0 flammability ratings. The device has a gate-to-source breakdown voltage of -40 V, a drain-to-source saturation current of 50 mA minimum, and a gate-to-source cutoff voltage of -4 V minimum. Gate leakage is typically less than 50 pA at room temperature. Operating junction temperature ranges from -55 °C to 125 °C. Input capacitance is 14 pF at VDS=20V and f=1MHz. Turn-on delay time is 15 ns, with rise time of 5 ns and fall time of 15 ns under specified test conditions.
JFETs JFET N-Channel -40V Low Noise Product overview: 2N4391 from InterFET is a Bipolar Transistor for signal amplification, switching, driver stages, discrete power control, and general electronic circuit design. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include N-Channel, -40V. Search-friendly keywords include transistor, BJT, switching, amplification, N-Channel, -40V, Bipolar Transistor, JFETs. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 288-2N4391 can be used for catalog matching and distributor lookup.
| ERSAELECTRONICS PTE. LTD. | |
|---|---|
| Product Category | Bipolar RF Transistors |
| Product Number | 288-2N4391 |
| Product Name | N-Channel -40V Bipolar Transistor |
| Package Type | Bulk |
