TF222

No.7281-1/4

Electret Condenser Microphone Applications

Features

•

Especially suited for use in electret condenser

microphone.

•

Ultrasmall package permitting TF222 applied

sets to be made small and slim.

•

Excellent voltage characteristics.

•

Excellent transient characteristics.

•

Adoption of FBET process.

Specifications

Absolute Maximum Ratings at Ta=25

°C

Parameter

Symbol

Conditions

Ratings

Unit

Gate-to-Drain Voltage

VGDO

--20

V

Gate Current

IG

10

mA

Drain Current

ID

1mA

Allowable Power Dissipation

PD

100

mW

Junction Temperature

Tj

150

°C

Storage Temperature

Tstg

--55 to +150

°C

Electrical Characteristics at Ta=25

°C

Ratings

Parameter

Symbol

Conditions

min

typ

max

Unit

Gate-to-Drain Breakdown Voltage

V(BR)GDO

IG=--100µA

--20

V

Cutoff Voltage

VGS(off)

VDS=2V, ID=1µA

--0.1

--1.0

V

Drain Current

IDSS

VDS=2V, VGS=0

140*

350*

µA

Forward Transfer Admittance

yfs

VDS=2V, VGS=0, f=1kHz

0.5

mS

Input Capacitance

Ciss

VDS=2V, VGS=0, f=1MHz

5.0

pF

Reverse Transfer Capacitance

Crss

VDS=2V, VGS=0, f=1MHz

1.1

pF

Continued on next page.

* : The TF222 is classified by IDSS as follows : (unit : µA)

Rank

B4

B5

IDSS

140 to 240

210 to 350

SANYO Electric Co.,Ltd. Semiconductor Company

TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN

Ordering number : ENN7281A

TF222

Package Dimensions

unit : mm

2207A

[TF222]

90503 TS IM / O3002 TS IM TA-3621

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

Preliminary

1 : Drain

2 : Source

3 : Gate

SANYO : SSFP

0.25

0.2

1.4

0.45

1

3

2

0.1

1

3

2

Top View

Side View

Side View

Bottom View