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Sanyo Electric Components Datasheet


K1578

2SK1578



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K1578 pdf
Ordering number:EN4178A
N-Channel Junction FET
2SK1578
Capacitor Microphone Applications
Features
· Especially suited for use in audio, telephone capaci-
tor microphones.
· Excellent voltage characteristics.
· Excellent transient characteristics.
· Adoption of FBET process.
Package Dimensions
unit:mm
2034A
[2SK1578]
4.0
2.2
0.4
0.5
0.4
0.4
123
1.3 1.3
Specifications
Absolute Maximum Ratings at Ta = 25˚C
Parameter
Gate-to-Drain Voltage
Gate Current
Drain Current
Allowable Power Dissipation
Channel Temperature
Storage Temperature
Symbol
VGDO
IG
ID
PD
Tj
Tstg
Conditions
Electrical Characteristics at Ta = 25˚C
Parameter
Symbol
Conditions
Gate-to-Drain Breakdown Voltage
Cutoff Voltage
Zero-Gate Votlage Drain Current
Forward Transfer Admittance
V(BR)GDO
VGS(off)
IDSS
| yfs |
Input Capacitance
Ciss
Reverse Transfer Capacitance
Crss
* : The 2SK1578 is classified by IDSS as follows : (unit : µA)
IG=–100µA
VDS=5V, ID=1µA
VDS=5V, VGS=0
VDS=5V, VGS=0, f=1MHz
VDS=5V, VGS=0, f=1MHz
VDS=5V, VGS=0, f=1MHz
100 A 170 150 B 240 210 C 350 320 D 480 440 E 800
3.0
3.8nom
1 : Source
2 : Gate
3 : Drain
SANYO : SPA
Ratings
–20
10
1
100
150
–55 to +150
Unit
V
mA
mA
mW
˚C
˚C
Ratings
min typ
–20
–0.2 –0.6
100*
0.4 1.2
4.1
0.88
max
–1.5
800*
Unit
V
V
µA
mS
pF
pF
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.
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
61599TH (KT)/72297TS (KOTO)/12094TH (KOTO) 8-7215 No.4178–1/4



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K1578 pdf
2SK1578
Parameter
Symbol
Conditions
[Ta=25°C, VCC=4.5V, RL=1k, CIN=15pF, See specified Test Circuit.]
Voltage Gain
GV VIN=10mV, f=1kHz
Reduced Voltage Characteristics
GVV VIN=10mV, f=1kHz, VCC=4.5 1.5V
Frequency Characteristics
GVf f=1kHz to 110Hz
Input Resistance
ZIN f=1kHz
Output Resistance
ZO f=1kHz
Total Harmonic Distortion
THD VIN=10mV, f=1kHz
Output Noise Voltage
VNO VIN=0, A curve
Test Circuit
Ratings
min typ max
Unit
–3.0
dB
–1.2 –3.5 dB
–1.0 dB
25 m
700
1.0 %
–110 dB
No.4178–2/4



Part Number K1578
Description 2SK1578
Maker Sanyo - Sanyo
Total Page 4 Pages
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