LS422-TO-78 datasheet, PDF - EEWORLD Datasheet

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LS422-TO-78: DescriptionSmall Signal Field-Effect Transistor, 40V, 2-Element, N-Channel, Silicon, Junction FET, TO-78, METAL PACKAGE-6; CategoryDiscrete semiconductor The transistor; File Size232KB，11 Pages; ManufacturerLinear ( ADI ); Websitehttp://www.analog.com/cn/index.html

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LS422-TO-78 Overview

Small Signal Field-Effect Transistor, 40V, 2-Element, N-Channel, Silicon, Junction FET, TO-78, METAL PACKAGE-6

LS422-TO-78 Parametric

Parameter Name	Attribute value
Is it lead-free?	Contains lead
Is it Rohs certified?	incompatible
Maker	Linear ( ADI )
Parts packaging code	TO-78
package instruction	CYLINDRICAL, O-MBCY-W6
Contacts	6
Reach Compliance Code	compliant
ECCN code	EAR99
Configuration	SEPARATE, 2 ELEMENTS
Minimum drain-source breakdown voltage	40 V
FET technology	JUNCTION
Maximum feedback capacitance (Crss)	1.5 pF
JEDEC-95 code	TO-78
JESD-30 code	O-MBCY-W6
Number of components	2
Number of terminals	6
Operating mode	DEPLETION MODE
Maximum operating temperature	150 °C
Package body material	METAL
Package shape	ROUND
Package form	CYLINDRICAL
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
Polarity/channel type	N-CHANNEL
Certification status	Not Qualified
surface mount	NO
Terminal form	WIRE
Terminal location	BOTTOM
Maximum time at peak reflow temperature	NOT SPECIFIED
Transistor component materials	SILICON

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LS421, LS422, LS423,

LS424, LS425, LS426

Linear Integrated Systems

FEATURES

HIGH INPUT IMPEDANCE

HIGH GAIN

LOW POWER OPERATION

=0.25pA MAX

gfs=120µmho MIN

GS(off)

=2V MAX

LOW LEAKAGE LOW DRIFT

MONOLITHIC DUAL N-CHANNEL JFET

ABSOLUTE MAXIMUM RATINGS NOTE 1

@ 25°C (unless otherwise noted)

Maximum Temperatures

Storage Temperature

-65° to +150°C

Operating Junction Temperature

+150°C

Maximum Voltage and Current for Each Transistor NOTE 1

Gate Voltage to Drain or Source

40V

-V

GSS

-V

DSO

-I

G(f)

Drain to Source Voltage

Gate Forward Current

40V

10mA

400mW @ +125°C

TO-78

BOTTOM VIEW

Maximum Power Dissipation

Device Dissipation @ Free Air - Total

22 X 20 MILS

ELECTRICAL CHARACTERISTICS @ 25

C (unless otherwise noted)

SYMBOL

CHARACTERISTICS LS421 LS422 LS423 LS424 LS425 LS426 UNITS MAX CONDITIONS

µV/°C

= 10V I

= 30µA

|∆V

GS1-2

/∆T| max. Drift vs. Temperature

=-55°C to +125°C

GS1-2

| max.

GS(off)

max.

-I

max.

-I

GSS

max.

-I

GSS

max.

SYMBOL

GSS

GGO

fss

DSS

Offset Voltage

GATE VOLTAGE

Pinchoff Voltage

Operating Range

Operating

High Temperature

At Full Conduction

High Temperature

2.0

1.8

.25

250

1.0

2.0

1.8

.25

250

1.0

2.0

1.8

.25

250

1.0

3.0

2.9

.500

500

3.0

2.9

.500

500

3.0

2.9

.500

500

3.0

=10V

= +125°C

= 0V

= +125°C

= 20V

= 30µA

= 1nA

= 30µA

CHARACTERISTICS

Breakdown Voltage

Gate-to-Gate Breakdown

TRANSCONDUCTANCE

Full Conduction

Typical Operation

DRAIN CURRENT

Full Conduction

MIN.

300

120

TYP.

200

MAX.

1500

350

1000

1800

UNITS

µmho

µA

CONDITIONS

= 0

= 1nA

= 1µA

= 10V

LS421-3

LS424-6

= 0

= 30µA

= 10V

= 0

f= 1kHz

= 0

Linear Integrated Systems

4042 Clipper Ct., Fremont, CA 94538 TEL: (510) 490-9160 • FAX: (510) 353-0261

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