Document
2N3291 thru 2N3294 (SILICON)
CASE 20
(TO-72)
NPN silicon annular transistor for TV and FM mixer, RF and IF amplifier and general-purpose, low-noise, high-gain amplifier applications.
MAXIMUM RATINGS
Rating
Collector - Base Voltage Collector - Emitter Voltage Emitter - Base Voltage
Symbol
VCB
VCES VEB
2N3291 2N3292
25
25
3.0
2N3293 2N3294
20
20
3.0
Unit
Volts Volts Volts
Collector Current
Ie 50 50 mA
Power Dissipation at 25°C Case PD 300 300 mW Above 25°C derate 1. 71 mW/oC
Power Dissipation at 25°C Amb. Above 25°C derate 1.14 mW/oC
Junction Temperature
Storage Temperature Range
PD TJ Tstg
200 200 mW
+200
+200
• -65 to +200 •
°c °c
NEUTRALIZED POWER GAIN
AND NOISE FIGURE versus FREQUENCY 50 Vco- 10 Vde, Ie - 2 mAde
...
40 ~
~ .... II.
"-
NF
,,- ~
')<
---10 ~.-
.",,' .......
POWER GAIN AND NOISE FIGURE versus COLLECTOR CURRENT
20
16 iii 20
3
!II!
12 !'"
z
16
........8
l!l
0z .z.:
ii ~'"
0
12
.J
44
"o 0
10 20 40 60 100 200 400 600 1000 2000 .