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TF218 Datasheet, PDF (1/4 Pages) Sanyo Semicon Device – Capacitor Microphone Applications
Ordering number : ENN7088
TF218
N-channel Silicon Junction FET
TF218
Capacitor Microphone Applications
Features
• Ultrasmall package facilitates miniaturization in end
products.
• Especially suited for use in audio, telephone capacitor
microphones.
• Excellent voltage characteristic.
• Excellent transient characteristic.
• Adoption of FBET process.
Package Dimensions
unit : mm
2201
1.4
0.25
3
[TF218]
Specifications
Absolute Maximum Ratings at Ta=25°C
2
1
0.45
0.2
(Bottom view)
0.1
3
1
2
(Top view)
1 : Drain
2 : Source
3 : Gate
SANYO : VSFP
Parameter
Gate-to-Drain Voltage
Gate Current
Drain Current
Allowable Power Dissipation
Junction Temperature
Storage Temperature
Symbol
VGDO
IG
ID
PD
Tj
Tstg
Electrical Characteristics at Ta=25°C
Conditions
Ratings
Unit
--20
V
10 mA
1 mA
100 mW
150
°C
--55 to +150
°C
Parameter
Gate-to-Drain Breakdown Voltage
Cutoff Voltage
Zero-Gate Voltage Drain Current
Forward Transfer Admittance
Input Capacitance
Reverse Transfer Capacitance
Symbol
Conditions
V(BR)GDO
VGS(off)
IDSS
yfs
Ciss
Crss
IG=--100µA
VDS=5V, ID=1µA
VDS=5V, VGS=0
VDS=5V, VGS=0, f=1kHz
VDS=5V, VGS=0, f=1MHz
VDS=5V, VGS=0, f=1MHz
* : The TF218 is classified by IDSS as follows : (unit : µA)
Marking
A4
A5
IDSS
140 to 240
210 to 350
min
--20
--0.2
140*
0.5
Ratings
Unit
typ
max
V
--0.6
--1.0
V
350*
µA
1.0
mS
3.5
pF
0.65
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
herein.
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
N3001 TS IM TA-3366 No.7088-1/4