NPN Epitaxial Planar Silicon Transistor
VHF to UHF Wide-Band Low-Noise
· Low noise : NF=1.0dB typ (f=1GHz).
· High gain : S21e2=12dB typ (f=1GHz).
· High cutoff frequency : fT=7GHz typ.
· Very small-sized package permiting 2SC5231-
applied sets to be made small and slim.
0 to 0.1
Absolute Maximum Ratings at Ta = 25˚C
Electrical Characteristics at Ta = 25˚C
Collector Cutoff Current
Emitter Cutoff Current
DC Current Gain
Reverse Transfer Capacitance
≠ : Pulse Test Pulse Width≤2ms
* : The 2SC5231 is classified by 20mA hFE as follows :
60 to 120
90 to 180
135 to 270
1 : Base
2 : Emitter
3 : Collector
SANYO : SMCP
–55 to +150
min typ max
0.7 1.2 pF
Continued on next page.
Any and all SANYO products described or contained herein do not have specifications that can handle
applications that require extremely high levels of reliability, such as life-support systems, aircraft’s
control systems, or other applications whose failure can be reasonably expected to result in serious
physical and/or material damage. Consult with your SANYO representative nearest you before using
any SANYO products described or contained herein in such applications.
SANYO assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges,or other
parameters) listed in products specifications of any and all SANYO products described or contained
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquaters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
20599TH (KT)/20696YK/31395YK (KOTO) TA-0156 No.5036–1/5