31372N (SILICON)
MM1803
CASE 31
(TO-5)
NPN silicon annular transistors for large signal VHF and UHF applications.
Col...
31372N (SILICON)
MM1803
CASE 31
(TO-5)
NPN silicon annular
transistors for large signal VHF and UHF applications.
Collector connected ·to case
MAXIMUM RATINGS
Rating
Collector-Base Voltage
Collector-Emitter Voltage
Emitter-Base Voltage
Collector Current (Continuous)
Power Dissipation @25'C Case Temperature @25'C Ambient Temperature
Operating Junction Temperature Storage Temperature Range
Thermal Resistance Junction to Case
Thermal ReSistance Junction to Ambient
Symbol
VCB VCEO VEB IC PD
TJ , Tstg
/lJC
/I JA
2N3137
40 20 4.0 150
MM1803
50 25
5.0
150
2.0 0.8 -65 to +200
87.5
153
Units
Vdc Vdc Vdc mAdc
Watts
'c
'C/ Watt 'C/ Watt
250 MHz POWER GAIN TEST CIRCUIT (2N3137)
250 MHz POWER GAIN TEST CIRCUIT (MM1B03)
L-J"Y,n....._...r.., Z out
= 50
L2 .075 I'H (5.5 turns #16ga. ID = 3/16" length 1/2")
L1 = 3/4 turn No. 14 tinned wire 3/8" ID
L2 = 4 turns No. 18 tinned wire 1/4" ID 7/16" long
2-435
2N3137, MM1803 (Continued)
ELECTRICAL CHARACTERISTICS ITA =250 C unless otherwise...