BFX89
BFY90
www.centralsemi.com
SILICON
DESCRIPTION:
NPN RF TRANSISTORS
The CENTRAL SEMICONDUCTOR BFX89 and BFY90
are silicon NPN RF transistors designed for VHF/UHF
amplifier, oscillator and converter applications.
MARKING: FULL PART NUMBER
TO-72 CASE
MAXIMUM RATINGS: (T =25C unless otherwise noted)
A
SYMBOL UNITS
Collector-Base Voltage V 30 V
CBO
Collector-Emitter Voltage V 30 V
CER
Collector-Emitter Voltage V 15 V
CEO
Emitter-Base Voltage V 2.5 V
EBO
Continuous Collector Current I 25 mA
C
Peak Collector Current (f>1.0MHz) I 50 mA
CM
Power Dissipation P 200 mW
D
Power Dissipation (T=25C) P 300 mW
C D
Operating and Storage Junction Temperature T , T -65 to +200 C
J stg
Thermal Resistance 875 C/W
JA
Thermal Resistance 583 C/W
JC
ELECTRICAL CHARACTERISTICS: (T =25C unless otherwise noted)
A
BFX89 BFY90
SYMBOL TEST CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
I V =15V - - 10 - - 10 nA
CBO CB
BV I=10A 30 - - 30 - - V
CBO C
BV I =1.0mA, R =50 30 - - 30 - - V
CER C BE
BV I=1.0mA 15 - - 15 - - V
CEO C
BV I=10A 2.5 - - 2.5 - - V
EBO E
h V =1.0V, I=2.0mA 20 - 150 25 - 150
FE CE C
h V =1.0V, I=25mA 20 - 125 20 - 125
FE CE C
f V =5.0V, I=2.0mA, f=500MHz - 1.0 - 1.0 1.1 - GHz
T CE C
f V =5.0V, I=25mA, f=500MHz - 1.2 - 1.3 1.4 - GHz
T CE C
C V =10V, I=0, f=1.0MHz - - 1.7 - - 1.5 pF
ob CB E
C V =5.0V, I=2.0mA, f=1.0MHz - 0.6 - - 0.6 0.8 pF
re CE C
G V =10V, I =8.0mA, f=200MHz - 19 22 - - - dB
pe CE C
G V =10V, I=8.0mA, f=800MHz - - 7.0 - - - dB
pe CE C
G V =10V, I=14mA, f=200MHz - - - 21 23 - dB
pe CE C
G V =10V, I=14mA, f=800MHz - - - - 8.0 - dB
pe CE C
R4 (13-March 2014)BFX89
BFY90
SILICON
NPN RF TRANSISTORS
ELECTRICAL CHARACTERISTICS - Continued: (T =25C unless otherwise noted)
A
BFX89 BFY90
SYMBOL TEST CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
NF V =5.0V, I =2.0mA, f=100kHz - - - - - 4.0 dB
CE C
NF V =5.0V, I =2.0mA, f=200MHz - 3.3 4.0 - 2.5 3.5 dB
CE C
NF V =5.0V, I =2.0mA, f=500MHz, R=50 - - 6.5 - - 5.0 dB
CE C G
NF V =5.0V, I =2.0mA, f=800MHz - 7.0 - - 5.5 - dB
CE C
P V =10V, I =8.0mA, f=205MHz - 6.0 - - - - mW
o CE C
P V =10V, I =14mA, f=205MHz - - - 10 12 - mW
o CE C
TO-72 CASE - MECHANICAL OUTLINE
LEAD CODE:
1) Emitter
2) Base
3) Collector
4) Case
MARKING:
FULL PART NUMBER
R4 (13-March 2014)
www.centralsemi.com