2SK1842 Datasheet, PDF (2/2 Pages) Panasonic Semiconductor – Silicon N-Channel Junction FET

Silicon Junction FETs (Small Signal)
P_D  Ta
240
200
160
120
80
40
0
0 20 40 60 80 100 120 140 160
Ambient temperature Ta (˚C)
I_D  V_DS
240
Ta=25˚C
200
160
V_GS=0.4V
0.2V
120
0V
– 0.2V
80
– 0.4V
0
– 0.6V
0
0 2 4 6 8 10 12
Drain to source voltage V_DS (V)
| Y_fs |  V_GS
1.2
V_DS=10V
f=1kHz
Ta=25˚C
1.0
0.8
0.6
0.4
I_DSS=100µA
0.2
0
–1.2 – 0.8 – 0.4
0
0.4
Gate to source voltage V_GS (V)
| Y_fs |  I_D
240
V_DS=10V
Ta=25˚C
200
160
120
I_DSS=100µA
80
40
0
0 40 80 120 160 200 240
Drain current I_D (µA)
2SK1842
I_D  V_GS
240
V_DS=10V
200
160
120
80
40
Ta=75˚C
25˚C
–25˚C
0
–1.2 – 0.8 – 0.4
0
0.4
Gate to source voltage V_GS (V)
C_iss, C_oss, C_rss  V_DS
1.2
V_GS=0V
Ta=25˚C
f=1MHz
1.0
0.8
C_iss
0.6
0.4
C_rss
C_oss
0.2
0
0 2 4 6 8 10 12
Drain to source voltage V_DS (V)
2