onsemi MMBF4391 is an N-Channel JFET designed for applications requiring high input impedance and low noise. This surface mount component, housed in a SOT-23-3 package, offers a drain current (Idss) of 50 mA at 20 V and a breakdown voltage (V(BR)GSS) of 30 V. With a maximum power dissipation of 350 mW and an operating temperature range of -55°C to 150°C, it is suitable for use in various industrial and consumer electronics. The device features low on-resistance (RDS(On)) of 30 Ohms and an input capacitance (Ciss) of 14 pF at 20 V. This JFET is commonly found in signal amplification and switching circuits across telecommunications and test and measurement equipment. It is supplied in Tape & Reel packaging.
Additional Information
Series: -RoHS Status: ROHS3 CompliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: Tape & Reel (TR)Download Free CAD Model:
Technical Details:
| Packaging | Tape & Reel (TR) |
| Package / Case | TO-236-3, SC-59, SOT-23-3 |
| Mounting Type | Surface Mount |
| Operating Temperature | -55°C ~ 150°C (TJ) |
| FET Type | N-Channel |
| Input Capacitance (Ciss) (Max) @ Vds | 14pF @ 20V |
| Voltage - Breakdown (V(BR)GSS) | 30 V |
| Supplier Device Package | SOT-23-3 |
| Power - Max | 350 mW |
| Resistance - RDS(On) | 30 Ohms |
| Voltage - Cutoff (VGS off) @ Id | 4 V @ 1 nA |
| Current - Drain (Idss) @ Vds (Vgs=0) | 50 mA @ 20 V |