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Gas Discharge Tube (GDT) Products

Speciﬁcations are subject to change without notice.

Revised: 01/08/14

SL1122A Series

Description

Features

•RoHsCompliant

•Excellentresponseto

fastrisingtransients

•Flatresponseupto

10kV/μs

•10kAsurgecapability

testedwith8/20μs

pulseasdeﬁnedbyIEC

61000-4-5

•Thermalfailsafe

Applications

•MDFprotection

•ADSLequipment

•XDSLequipment

•Alarmpanels

•Generaltelecom

equipment

AGENCY AGENCY FILE NUMBER

E128662

Agency Approvals

2 Electrode GDT Graphical Symbol

(centre electrode)

TheSL1122AseriesHybridfeaturesahigh

performanceAlphaGasPlasmaTubeinconjunction

withaMOV.Thesedevicesarematchedsothathigh

speedpulsesareinitiallyclampedbytheMOV,then

asthecurrentrises,thetransientenergyisswitched

throughthegastube.TheHybridoffershighlevelsof

performanceonfastrisingtransientsinthedomain

of100V/µsto10kV/µs,soeliminatesthedv/dt

switchingdelaynormallyexhibitedbystandardGDTs.

Thesedevicesareextremelyrobustandareableto

diverta10,000Amppulsewithoutdestruction.

Electrical Characteristics

Part Number

Device Speciﬁcations(at25°C) Life Ratings

DC Breakdown

in Volts

1, 2

(@100V/s)

DC Voltage

(1kV/μsIgnitionTime)

Insulation

Resistance

Capacitance

(@1MHz,0Vbias,

1Voscillation)

Arc Voltage

(onstatevoltage)

@1AmpMin

Surge Life

(10/1000μs

300x+/-)

Surge Current

(8/20μsx10)

Nominal

AC Discharge

Current

(10x1s@50Hz)

DC Holdover

Voltage

(<150msecs.)

MIN TYP MAX MIN MAX TYP TYP

SL1122A090 72 90 108 200 (< 10µs) > 10

Ω (at 50V) 270 pF

~10 to 35

Volts

200 A

10 kA 10 A

50 V

SL1122A230 184 230 276 350 (< 10µs)

> 10

Ω (at 100V) 100 pF 135 V

SL1122A260 210 260 310 400 (< 10µs)

TestedinaccordancewithITU-TRecK.12

Notes:

1.Totalcurrentthroughcentreelectrode

2.MaximumPeakBreakOverVoltage

SL1122A Series Hybrid

RoHS

1 2 3

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