2N4391 Datasheet, PDF (11/14 Pages) Seme LAB – JFET SWITCHING N CHANNEL- DEPLETION

G-2
01/99
TO-18 Package
Dimensions in Inches (mm)
0.210 (5.33)
0.170 (4.32)
0.230 (5.84) 0.195 (4.95)
0.209 (5.31) 0.178 (4.52)
Dia.
Dia.
3 Leads - Dia.
0.021 (0.53)
0.016 (0.41)
0.100 (2.54) - Dia. Typ.
3
2
1
0.048 (1.22)
0.028 (0.71)
0.030 (0.76) Max.
0.750 (19.05) Max.
0.500 (12.70) Min
45°
0.046 (1.17)
0.036 (0.91)
Bottom View
TO-39 Package
Dimensions in Inches (mm)
Alternate (Preferred) 0.260 (6.60)
version cap height = 0.240 (6.10)
Max 0.185 (4.70),
Min 0.165 (4.19)
3 Leads - Dia.
0.021 (0.53)
0.370 (9.40) 0.335 (8.51)
0.016 (0.41)
3
0.350 (8.89) 0.315 (8.00)
Dia.
Dia.
2
1
0.210 (5.34) Dia.
0.190 (4.82) Dia.
0.050 (1.14)
0.029 (0.74)
0.125 (3.18) Max.
0.009 (0.23) Min.
0.750 (19.05) Max.
0.500 (12.70) Min
45°
0.034 (0.86)
0.028 (0.71)
Bottom View
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