Low Noise High Gain
The InterFET low noise high gain table provides the capability to sort on any JFET parameter. This table lists some of the lowest noise JFETs in the industry. It is easy to find a part optimized for your application.
InterFET offers the widest range of JFET products in the industry. The InterFET portfolio is suited to meet circuit requirements for instrumentation, medical, audio, automotive, military, space, and any high precision sensor interface. Our primary expertise is in design, manufacturing, and providing innovative and practical solutions to customer problems.

PRODUCT | PACKAGE | BVgss (min) V | Vgso (min) V | Vgso (max) V | Idss (min) mA | Idss (max) mA | Gm (min) mS | ēn (typ) ɳV√Hz | Ciss (max) pF | TYPE | CONFIG | ORDERING |
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PRODUCT | PACKAGE | BVgss (min) V | Vgso (min) V | Vgso (max) V | Idss (min) mA | Idss (max) mA | Gm (min) mS | ēn (typ) ɳV√Hz | Ciss (max) pF | TYPE | CONFIG | ORDERING |
2N6451 | TO-72 | -20 | -0.50 | -3.50 | 5.00 | 20.00 | 15.00 | 1.00 | 25.00 | N-CH | SINGLE | Mouser |
2N6452 | TO-72 | -25 | -0.50 | -3.50 | 5.00 | 20.00 | 15.00 | 1.00 | 25.00 | N-CH | SINGLE | Mouser |
2N6453 | TO-72 | -20 | -0.75 | -5.00 | 15.00 | 50.00 | 20.00 | 1.00 | 25.00 | N-CH | SINGLE | Mouser |
2N6454 | TO-72 | -25 | -0.75 | -5.00 | 15.00 | 50.00 | 20.00 | 1.00 | 25.00 | N-CH | SINGLE | Mouser |
2N6550 | TO-46 | -20 | -0.30 | -3.00 | 10.00 | 100.00 | 25.00 | 0.90 | 35.00 | N-CH | SINGLE | Mouser |
IF1320ST3 | SOT-23 | -20 | -0.35 | -1.50 | 5.00 | 20.00 | 15.00 | 1.00 | 20.00 | N-CH | SINGLE | Mouser |
IF1320T72 | TO-72 | -20 | -0.35 | -1.50 | 5.00 | 20.00 | 15.00 | 1.00 | 20.00 | N-CH | SINGLE | Mouser |
IF1322AS08 | SOIC-8 | -20 | -0.80 | -1.50 | 8.00 | 25.00 | 10.00 | 2.00 | 15.00 | N-CH | DUAL | Mouser |
IF1322AT71 | TO-71 | -20 | -0.80 | -1.50 | 8.00 | 25.00 | 10.00 | 2.00 | 15.00 | N-CH | DUAL | Mouser |
IF1322S08 | SOIC-8 | -20 | -0.80 | -1.50 | 8.00 | 25.00 | 10.00 | 2.00 | 15.00 | N-CH | DUAL | Mouser |
IF1322T71 | TO-71 | -20 | -0.80 | -1.50 | 8.00 | 25.00 | 10.00 | 2.00 | 15.00 | N-CH | DUAL | Mouser |
IF140AST3 | SOT-23 | -20 | -2.50 | -6.00 | 5.00 | 15.00 | 3.50 | 4.00 | 3.00 | N-CH | SINGLE | Mouser |
IF140AT72 | TO-72 | -20 | -2.50 | -6.00 | 5.00 | 15.00 | 3.50 | 4.00 | 3.00 | N-CH | SINGLE | Mouser |
IF140ST3 | SOT-23 | -20 | -6.00 | 5.00 | 15.00 | 3.50 | 4.00 | 3.00 | N-CH | SINGLE | Mouser | |
IF140T72 | TO-72 | -20 | -6.00 | 5.00 | 15.00 | 3.50 | 4.00 | 3.00 | N-CH | SINGLE | Mouser | |
IF3601T39 | TO-39 | -20 | -0.35 | -2.00 | 30.00 | 0.40 | 300.00 | N-CH | SINGLE | Mouser | ||
IF3602T78 | TO-78 | -20 | -0.35 | -3.00 | 30.00 | 0.40 | 300.00 | N-CH | DUAL | Mouser | ||
IF4500ST3 | SOT-23 | -20 | -0.35 | -1.50 | 5.00 | 15.00 | 0.90 | 35.00 | N-CH | SINGLE | Mouser | |
IF4500T72 | TO-72 | -20 | -0.35 | -1.50 | 5.00 | 15.00 | 0.90 | 35.00 | N-CH | SINGLE | Mouser | |
IF4510ST3 | SOT-23 | -40 | -0.35 | -1.50 | 5.00 | 15.00 | 1.10 | 35.00 | N-CH | SINGLE | Mouser | |
IF4510T72 | TO-72 | -40 | -0.35 | -1.50 | 5.00 | 15.00 | 1.10 | 35.00 | N-CH | SINGLE | Mouser | |
IF9030T52 | TO-52 | -20 | -0.35 | -2.00 | 30.00 | 300.00 | 80.00 | 0.50 | 60.00 | N-CH | SINGLE | Mouser |
IF9034T78 | TO-78 | -20 | -0.35 | -2.00 | 30.00 | 300.00 | 80.00 | 0.70 | 60.00 | N-CH | DUAL | Direct |
IF9035T78 | TO-78 | -20 | -0.35 | -2.00 | 30.00 | 300.00 | 80.00 | 0.70 | 60.00 | N-CH | DUAL | Direct |
IFD89SC5 | SC-70-5 | -15 | -0.20 | -2.50 | 0.05 | 1.00 | 0.60 | 12.00 | 5.00 | N-CH | SINGLE | Mouser |
IFD89T72 | TO-72 | -15 | -0.20 | -2.50 | 0.05 | 1.00 | 0.60 | 12.00 | 5.00 | N-CH | SINGLE | Mouser |
IFN112 | TO-18 | -50 | -0.25 | -1.20 | 1.20 | 9.00 | 7.00 | 1.50 | 12.00 | N-CH | SINGLE | Mouser |
IFN860 | TO-71 | -20 | -0.30 | -3.00 | 10.00 | 25.00 | 0.90 | 35.00 | N-CH | DUAL | Mouser | |
PN112 | TO-92 | -50 | -0.25 | -1.20 | 1.20 | 9.00 | 7.00 | 1.50 | 12.00 | N-CH | SINGLE | Direct |
PN6451 | TO-92 | -20 | -0.50 | -3.50 | 5.00 | 20.00 | 15.00 | 1.00 | 25.00 | N-CH | SINGLE | Direct |
PN6452 | TO-92 | -25 | -0.50 | -3.50 | 5.00 | 20.00 | 15.00 | 1.00 | 25.00 | N-CH | SINGLE | Direct |
PN6453 | TO-92 | -20 | -0.75 | -5.00 | 15.00 | 50.00 | 20.00 | 1.00 | 25.00 | N-CH | SINGLE | Direct |
PN6454 | TO-92 | -25 | -0.75 | -5.00 | 15.00 | 50.00 | 20.00 | 1.00 | 25.00 | N-CH | SINGLE | Direct |
PN6550 | TO-92 | -20 | -0.30 | -3.00 | 10.00 | 100.00 | 25.00 | 0.90 | 35.00 | N-CH | SINGLE | Direct |
SMP112 | SOT-23 | -50 | -0.25 | -1.20 | 1.20 | 9.00 | 7.00 | 1.50 | 12.00 | N-CH | SINGLE | Direct |
SMP6451 | SOT-23 | -20 | -0.50 | -3.50 | 5.00 | 20.00 | 15.00 | 1.00 | 25.00 | N-CH | SINGLE | Mouser |
SMP6452 | SOT-23 | -25 | -0.50 | -3.50 | 5.00 | 20.00 | 15.00 | 1.00 | 25.00 | N-CH | SINGLE | Mouser |
SMP6453 | SOT-23 | -20 | -0.75 | -5.00 | 15.00 | 50.00 | 20.00 | 1.00 | 25.00 | N-CH | SINGLE | Mouser |
SMP6454 | SOT-23 | -25 | -0.75 | -5.00 | 15.00 | 50.00 | 20.00 | 1.00 | 25.00 | N-CH | SINGLE | Mouser |
SMP6550 | SOT-23 | -20 | -0.30 | -3.00 | 10.00 | 100.00 | 25.00 | 0.90 | 35.00 | N-CH | SINGLE | Mouser |
SMP860 | SOIC-8 | -20 | -0.30 | -3.00 | 10.00 | 25.00 | 0.90 | 35.00 | N-CH | DUAL | Mouser |