J108 N-Channel JFET
from the databook SILICONIX discretes 1991
TO92:
_______
| D S G |
\_____/
Absolute Maximum Ratings:
Vdg = 25 V
Vsg = 25 V
Ig = 50 mA
Pd = 360 mW
Top = -55 to 135 grdC.
Tstg = -55 to 150 grdC.
Characteristics:
Idss at Vds=15V, Vgs=0 : min 80 mA
Drain Source on Resistance at Vgs=0, Vds=<0.1V : max 8 Ohm
Common Source Forward Transconductance:
at Vdg=5V,Id=10mA, f=1kHz: typ 17 mS
Common Source Output Conductance at the same conds.: typ 600 uS
Common Source Input Capacitance at Vds=0,Vgs=0, f=1MHz : max 85 pF
Common Source Reverse Transfer Capacitance at Vds=0, Vsg=10V,
f=1MHz: max 15 pF
Equivalent Input Noise Voltage at Vdg=5V,Id=10mA,f=1kHz: typ 3.5
nV/squareroot(Hz)
Times at Vdd=1.5V, Id=10mA,Vgs(on)0=, Vgs(off)=-12V, RL=150 Ohm :
Turn on delay : typ 3 ns
Rise : typ 1 ns
Turn off delay : typ 4 ns
Fall : typ 18 ns
______________________________________
Without guaranty! Mistakes are possible. Please ask via email if you find a strange value!
______________________________________ JO 4036 VHF Power Transistor TRW databook RF DEVICES 1985: Base=wide, Collector = slim DC Test: Breakdown: Vebo at Ie=5mA : min 4 V Vceo at Ic=50mA : min 18 V Vcbo at Ic=50mA : min 36 V Collector Cutoff Current at Vce=15V : Ices = max 10mA RF Test at Vce=12.5V, f=175MHz, Pin=6W : Power Gain : min 7.8 Power Reflected max 0.6 W Load VSWR, Mismatch Tolerance min 20 : 1 Thermal: Continous Collector Current at 25grdC.: max 6.5 A Total Dissipation at 25grdC. : max 100 W Thermal Resistance Junction to flange : typ 1.75 grdC./W Storage Temp.: -65 to 150 grdC. From a diagram Broadband Power Transfer: 135 MHz: Pin/Pout: 2/20: 4/35; 6/45; 8/50; 10/52(saturated). 175 MHz: 2/15; 4/28; 6/38; 8/45; 10/48 From a diagram Series Input Impedance: at 145 MHz: R=1.2Ohm, X = 0.7 Ohm From a diagram Series Load Impedance: at 145 MHz: R = 2.3 Ohm, X = -0.2 Ohm Output Capacitance vs. Vcb: at 0 V: 170pF; at 5 V: 120pF; at 10V: 100pF; at 20V: 80pF; at 36V: 65pF ______________________________________
Without guaranty! Mistakes are possible. Please ask via email if you find a strange value!
______________________________________ ______________________________________
Alle Angaben ohne Garantie. Fehler beim Abschreiben sind möglich. Wenn Sie seltsame Werte entdecken, scheuen Sie sich nicht, per email nachzufragen!