Sanyo 2SA1778 Specifications
Ordering number:EN3481
PNP Epitaxial Planar Silicon Transistor
2SA1778
VHF Converter, Local Oscillator Applications
Features
· High power gain (PG=13dB typ ; f=0.4GHz).
· High cutoff frequency (fT=1.2GHz typ).
·Low Cob (Cob=1.0pF typ).
· Complementary pair with the 2SC4269.
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
2018A
[2SA1778]
C : Collector
B : Base
E : Emitter
SANY O : CP
OBC
OEC
OBE
51–V
51–V
3–V
05–Am
052Wm
˚C
˚C
Electrical Characteristics at Ta = 25˚C
retemaraPlobmySsnoitidnoC
tnerruCffotuCrotcelloCI
tnerruCffotuCrettimEI
niaGtnerruCCDh
tcudorPhtdiwdnaB-niaGf
ecnaticapaCtuptuOC
ecnaticapaCrefsnarTesreveRC
niaGrewoPGPVECI,V01–=
erugiFesioNFNVECI,V01–=
* : The 2SA1778 is classified by 5mA hFE as follows :
082040213060024001
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.
V
OBC
V
OBE
V
EF
V
T
V
bo
V
er
I,V51–=
BC
BE
EC
EC
BC
BC
0=1.0–Aµ
E
I,V2–=
0=1.0–Aµ
C
I,V01–=
Am5–=*04*002
C
I,V01–=
Am5–=6.02.1zHG
C
zHM1=f,V01–=0.15.1Fp
zHM1=f,V01–=57.0Fp
C
C
zHG4.0=f,Am5–=31Bd
zHG4.0=f,Am3–=5.2Bd
Note : Marking : HS
hFE rank : 2, 3, 4
nimpytxam
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquaters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
83198HA (KT)/20193YK (KOTO) No.3481–1/5
sgnitaR
tinU
PG, NF Test Circuit
2SA1778
Unit (resistance : Ω)
No.3481–2/5
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