2N4391 TO-18 3L
Linear Integrated Systems, Inc.

Linear Integrated Systems, Inc.
LOW NOISE, N-CHANNEL JFET SWITCH
$3.94
Available to order
Reference Price (USD)
1+
$3.94000
500+
$3.9006
1000+
$3.8612
1500+
$3.8218
2000+
$3.7824
2500+
$3.743
Exquisite packaging
Discount
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The 2N4391 TO-18 3L from Linear Integrated Systems, Inc. is a high-performance Junction Field-Effect Transistor (JFET) designed for precision analog applications. As part of our Discrete Semiconductor Products collection, this JFET offers exceptional input impedance and low noise characteristics. These transistors feature controlled pinch-off voltage and stable operation across wide temperature ranges, making them ideal for demanding electronic circuits. Commonly used in audio amplifiers, instrumentation systems, and sensor interfaces, the 2N4391 TO-18 3L provides reliable performance in RF stages, mixer circuits, and low-noise preamplifiers. Engineers particularly value this series for its consistent parameters and durability in industrial environments.
Specifications
- Product Status: Active
- FET Type: N-Channel
- Voltage - Breakdown (V(BR)GSS): 40 V
- Drain to Source Voltage (Vdss): -
- Current - Drain (Idss) @ Vds (Vgs=0): 50 mA @ 20 V
- Current Drain (Id) - Max: -
- Voltage - Cutoff (VGS off) @ Id: 4 V @ 1 nA
- Input Capacitance (Ciss) (Max) @ Vds: 14pF @ 20V
- Resistance - RDS(On): 30 Ohms
- Power - Max: 1.8 W
- Operating Temperature: -55°C ~ 200°C (TJ)
- Mounting Type: Through Hole
- Package / Case: TO-206AA, TO-18-3 Metal Can
- Supplier Device Package: TO-18-3