Sanyo 2SK1578 Specifications
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.
N-Channel Junction FET
Capacitor Microphone Applications
Ordering number:EN4178A
2SK1578
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
4.0
0.4
0.5
0.4
0.6
15.0
3.0
1.8
123
2.2
0.4
1.3
1.3
3.0
3.8nom
0.7
0.7
Features
· Especially suited for use in audio, telephone capacitor microphones.
· Excellent voltage characteristics.
· Excellent transient characteristics.
· Adoption of FBET process.
Specifications
Absolute Maximum Ratings at Ta = 25˚C
retemaraPlobmySsnoitidnoCsgnitaRtinU
egatloVniarD-ot-etaGV
tnerruCetaGI
tnerruCniarDI
noitapissiDrewoPelbawollAP
erutarepmeTlennahCjT 051
erutarepmeTegarotSgtsT 051+ot55–
ODG
G
D
D
Package Dimensions
unit:mm
2034A
[2SK1578]
1 : Source
2 : Gate
3 : Drain
SANYO : SPA
02–V
01Am
1Am
001Wm
˚C
˚C
Electrical Characteristics at Ta = 25˚C
retemaraPlobmySsnoitidnoC
egatloVnwodkaerBniarD-ot-etaGV
egatloVffotuCV
tnerruCniarDegaltoVetaG-oreZI
ecnattimdArefsnarTdrawroF|sfy|VSDV,V5=
ecnaticapaCtupnIssiCVSDV,V5=
ecnaticapaCrefsnarTesreveRssrCVSDV,V5=
* : The 2SK1578 is classified by I
071A001042B051053C012084D023008E044
as follows : (unit : µA)
DSS
I
ODG)RB(
V
)ffo(SG
V
SSD
Aµ001–=02–V
G
I,V5=
SD
SD
Aµ1=2.0–6.0–5.1–V
D
V,V5=
0=*001*008Aµ
SG
SG
SG
SG
zHM1=f,0=4.02.1Sm
zHM1=f,0=1.4Fp
zHM1=f,0=88.0Fp
61599TH (KT)/72297TS (KOTO)/12094TH (KOTO) 8-7215 No.4178–1/4
sgnitaR
nimpytxam
tinU
2SK1578
retemaraPlobmySsnoitidnoC
[Ta=25°C, VCC=4.5V, RL=1kΩ, CIN=15pF, See specified Test Circuit.]
niaGegatloVG
scitsiretcarahCegatloVdecudeR
scitsiretcarahCycneuqerF
ecnatsiseRtupnIZ
ecnatsiseRtuptuOZ
noitrotsiDcinomraHlatoTDHTV
egatloVesioNtuptuOV
∆G
∆G
V
VV
fV
NI
O
ON
Test Circuit
sgnitaR
nimpytxam
V
NI
V
NI
zHk1=f52mΩ
zHk1=f 007
NI
V
NI
zHk1=f,Vm01=0.3–Bd
V,zHk1=f,Vm01=
5.4= → V5.12.1–5.3–Bd
CC
zH011otzHk1=f 0.1–Bd
zHk1=f,Vm01=0.1%
evrucA,0= 011–Bd
tinU
Ω
No.4178–2/4
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