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| 01/99 B-5 2N3954, 2N3955, 2N3956 N-Channel Dual Silicon Junction Field-Effect Transistor Low and Medium Frequency Differential Amplifiers High Input Impedance Amplifiers Absolute maximum ratings at TA = 25C Reverse Gate Source & Reverse Gate Drain Voltage Gate Current Total Device Power Dissipation (each side) @ 85C Case Temperature (both sides) Power Derating (both sides) - 50 V 50 mA 250 mW 500 mW 4.3 mW/C At 25C free air temperature: Static Electrical Characteristics Gate Source Breakdown Voltage Gate Reverse Current Gate Operating Current Gate Source Voltage Gate Source Cutoff Voltage Gate Source Forward Voltage Drain Saturation Current (Pulsed) Dynamic Electrical Characteristics Common Source Forward Transconductance Common Source Output Capacitance Common Source Input Capacitance Drain Gate Capacitance Common Source Reverse Transfer Capacitance Noise Figure Differential Gate Current Saturation Drain Current Ratio Differential Gate Source Voltage Differential Gate Source Voltage with Temperature Transconductance Ratio g fs gos Ciss Cdgo Crss NF | IG1 - IG2 | V(BR)GSS IGSS IG VGS VGS(OFF) VGS(F) IDSS 2N3954 Min - 50 - 100 - 500 - 50 - 250 - 4.2 - 0.5 -1 0.5 -4 - 4.5 2 5 Max 2N3955 Min - 50 - 100 - 500 - 50 - 250 - 4.2 - 0.5 -1 0.5 -4 - 4.5 2 5 Max 2N3956 Min - 50 - 100 - 500 - 50 - 250 - 4.2 - 0.5 -1 0.5 -4 - 4.5 2 5 Max Unit V pA nA pA nA V V V V mA Process NJ16 Test Conditions IG = - 1A, VDS = OV VGS = - 30V, VDS = OV VGS = - 30V, VDS = OV VDS = 20V, ID = 200 A VDS = 20V, ID = 200 A VDS = 20V, ID = 50 A VDS = 20V, ID = 200 A VDS = - 20V, IG = 1 nA VDS = OV, IG = 1 mA VDS = 20V, VGS = OV TA = 125C TA = 125C 1000 1000 3000 35 4 1.5 1.2 0.5 10 1 5 0.8 1 1000 1000 3000 35 4 1.5 1.2 0.5 10 1000 1000 3000 35 4 1.5 1.2 0.5 10 S S S pF pF pF dB nA mV mV/C mV/C VDS = 20V, VGS = OV VDS = 20V, VGS = OV VDS = 20V, VGS = OV VDS = 20V, VGS = OV Vdg = 10V, IS = OA VDS = 20V, VGS = OV VDS = 20V, VGS = OV, Rg = 10 M VDS = 20V, ID = 200A VDS = 20V, VGS = OV VDS = 20V, ID = 200A VDS = 20V, ID = 200A VDS = 20V, ID = 200A VDS = 20V, ID = 200A f = 1 kHz f = 200 MHz f = 1 kHz f = 1 MHz f = 1 MHz f = 1 MHz f = 100 Hz TA = 125C IDSS1 /IDSS2 0.95 | VGS1 - VGS2 | VGS1 - VGS2 T 0.95 1 10 2 2.5 0.95 1 15 4 5 TA = 25C to = - 55C TA = 25C to = +125C f = 1 kHz gfs1 /gfs2 0.97 1 0.97 1 0.97 1 TO71 Package See Section G for Outline Dimensions Pin Configuration 1 Source, 2 Drain, 3 Gate, 5 Source, 6 Drain, 7 Gate www.interfet.com 1000 N. Shiloh Road, Garland, TX 75042 (972) 487-1287 FAX (972) 276-3375 |
Price & Availability of 2N3955
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