SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquaters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
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
herein.
NPN Epitaxial Planar Silicon Transistor
UHF Converter,
Local Oscillator Applications
Ordering number:EN4581
2SC4861
Features
· High cutoff frequency : fT=6.5GHz typ.
· High gain : S21e2=11.5dB typ (f=1GHz).
· Small Cob : NF=0.65pF typ.
Specifications
Absolute Maximum Ratings at Ta = 25˚C
retemaraPlobmySsnoitidnoCsgnitaRtinU
egatloVesaB-ot-rotcelloCV
egatloVrettimE-ot-rotcelloCV
egatloVesaB-ot-rettimEV
tnerruCrotcelloCI
noitapissiDrotcelloCP
erutarepmeTnoitcnuJjT 051
erutarepmeTegarotSgtsT 051+ot55–
C
C
Package Dimensions
unit:mm
2018B
[2SC4861]
3
1
0.95
0.95
1.9
2.9
OBC
OEC
OBE
0.5
2.5
1.5
2
0.5
1.1
0.8
0.16
0~0.1
1 : Base
2 : Emitter
3 : Collector
SANYO : CP
02V
01V
2V
03Am
002Wm
˚C
˚C
Electrical Characteristics at Ta = 25˚C
retemaraPlobmySsnoitidnoC
tnerruCffotuCrotcelloCI
tnerruCffotuCrettimEI
niaGtnerruCCD
tcudorPhtdiwdnaB-niaGf
ecnaticapaCtuptuO
niaGrefsnarTdrawroF
erugiFesioN
* : The 2SC4861 is classified by 5mA hFE as follows :
Marking : EN
h
V
OBC
V
OBE
V
EF
V
T
V
boC
2
V
|e12S|
FNVECI,V5=
I,V01=
BC
BE
EC
EC
BC
EC
0=0.1Aµ
E
I,V1=
0=01Aµ
C
I,V5=
Am5=
C
I,V5=
Am5=
C
zHM1=f,V01=
I,V5=
C
C
0213060814090725531
zHG1=f,Am5=
zHG1=f,Am5=2.20.4Bd
hFE rank : 3, 4, 5
12099HA (KT)/41894HO (KOTO) AX-9948 No.4581–1/4
sgnitaR
nimpytxam
*06*072
5.6zHG
56.01.1Fp
85.11Bd
tinU