LSJ507 - Linear Integrated Systems, Inc.

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FEATURES

REPLACEMENTSECONDSOURCEFORSILICONIXJ507

WIDECURRENTRANGE1.80mA±20%

BIASINGNOTREQUIREDVGS=0V

ABSOLUTEMAXIMUMRATINGS1

@25°C(unlessotherwisenoted)

MaximumTemperatures

StorageTemperature‐55°Cto+150°C

OperatingJunctionTemperature‐55°Cto+135°C

MaximumPowerDissipation

ContinuousPowerDissipation@125°C360mW

MaximumCurrents

ForwardCurrent20mA

ReverseCurrent50mA

MaximumVoltages

PeakOperatingVoltagePOV=50V



ELECTRICALCHARACTERISTICS@25°C(unlessotherwisenoted)

SYMBOLCHARACTERISTICSMIN.TYP.MAX.UNITSCONDITIONS

POVPeakOperatingVoltage250 ‐‐ ‐‐ VIF=1.1IF

(

MAX

)



VRReverseVoltage ‐‐ 0.8 ‐‐ VIR=1mA

CFForwardCapacitance ‐‐ 2.2 ‐‐ pFVF=25V,f=1MHz

SPECIFICELECTRICALCHARACTERISTICS@25°C(unlessotherwisenoted)



PART

FORWARDCURRENT3

IF

DYNAMICIMPEDANCE4

Zd

KNEE

IMPEDANCE

ZK

LIMITINGVOLTAGE5

VL

VF=25VVF=25VVF=6VIF=0.8IF

(

MIN

)



MINNOMMAXMINTYPTYPTYPMAX

LSJ5071.441.802.160.2010.192.81.3

Notes:

1.AbsoluteMaximumratingsarelimitingvaluesabovewhichserviceabilitymaybeimpaired

2.Pulsed,t=2ms.MaximumVFwhereIF<1.1IF(MAX)

3.Pulsed,t=2ms.Continuouscurrentsmayvary.

4.Pulsed,t=2ms.Continuousimpedancesmayvary.

5.MinVFrequiredtoensureIF=0.8IF(MIN)



LSJ507

Current Regulator Diode

Linear Systems replaces discontinued Siliconix J507

The Linear S

stems LSJ507 is a ± 20% ran

e current re

ulator

Available Packages:

LSJ507 in TO-92

LSJ507 available as bare die

Please contact Micross for full package and die dimensions:

Email: chipcomponents@micross.com

Web: www.micross.com/distribution.aspx

The LSJ507 is a ±20% range current regulator

designed for demanding applications in test equipment

and instrumentation. The LSJ507 utilizes JFET

techniques to produce a single two-leaded device which

is extremely simple to operate.

• Two-Lead Plastic Package

• Guaranteed ±20% Tolerance

• Operation up to 50V

• Excellent Temperature Stability

• Simple Series Circuitry, No Separate Voltage

Source

• Tight Guaranteed Circuit Performance

• Excellent Performance in Low-Voltage/Battery

Circuits and High-Voltage Spike Protection

• High Circuit Stability vs. Temperature.

LSJ507 Applications:

• Constant-Current Supply

• Current-Limiting

• Timing Circuits