SIDACtor® ProtectionThyristors
Programmable tBracttkeirnygtPrarcokteincgtiopnrotection
RoHS
e3
Pb
B61089QDR, dual port negative voltage tracking SLIC protector
Description
Thisꢀcomponentꢀisꢀdesignedꢀtoꢀprotectꢀtwoꢀdifferentꢀ
SLICꢀ(SubscriberꢀLineꢀInterfaceꢀCard)ꢀtip/ringꢀpairsꢀ
withꢀindependentꢀvoltageꢀtrackingꢀforꢀeachꢀpair.ꢀꢀThisꢀ
B61089QDRꢀwillꢀprotectꢀtheꢀSLICꢀinterfaceꢀagainstꢀ
lightningꢀinducedꢀsurgeꢀandꢀpowerꢀfaultꢀevents.ꢀꢀItꢀcontainsꢀ
fastꢀswitchingꢀcrowbarringꢀstructuresꢀforꢀnegativeꢀeventsꢀ
andꢀaꢀsimpleꢀfastꢀswitchingꢀdiodeꢀstructureꢀforꢀpositiveꢀ
events.ꢀꢀItꢀisꢀcompatibleꢀwithꢀtheꢀBasicꢀLevelsꢀofꢀITUꢀK.20,ꢀ
K.21,ꢀandꢀK.45.ꢀꢀForꢀcomplianceꢀwithꢀtheꢀEnhancedꢀLevelsꢀ
ofꢀITU,ꢀTIAꢀ968-B,ꢀorꢀGR-1089,ꢀanꢀadditionalꢀseriesꢀresistorꢀ
inꢀtheꢀtipꢀandꢀringꢀleadsꢀmayꢀbeꢀrequired.
Agency Approvals
TheꢀSLICꢀchipsetꢀvoltageꢀreferenceꢀmayꢀchangeꢀasꢀtheꢀ
on-hook/off-hookꢀlineꢀconditionꢀchanges.ꢀꢀTherefore,ꢀthisꢀ
componentꢀisꢀreferencedꢀtoꢀtheꢀ-ꢀVBATꢀsoꢀthatꢀitsꢀꢀnegativeꢀ
protectionꢀthresholdꢀfollowsꢀthisꢀchangingꢀreferenceꢀ
voltageꢀlevel.ꢀꢀThisꢀB610989QDRꢀutilizesꢀaꢀtransistorꢀgainꢀ
networkꢀsoꢀthatꢀaꢀlowꢀ5ꢀmAꢀcurrentꢀlevelꢀwillꢀactivateꢀ
theꢀthyristorꢀbasedꢀportionꢀofꢀthisꢀprotectorꢀcomponentꢀ
duringꢀnegativeꢀevents.ꢀꢀThisꢀalsoꢀallowsꢀanꢀeasierꢀturnꢀ
onꢀduringꢀslowꢀrisingꢀpowerꢀfaultꢀevents.ꢀꢀForꢀallꢀꢀpositiveꢀ
disturbances,ꢀtheꢀfastꢀswitchingꢀdiodeꢀconnectedꢀtoꢀearthꢀ
referenceꢀwillꢀprovideꢀtheꢀneededꢀprotection.ꢀ
Agency
Agency File Number
E133083
Pinout
K1
G1,G2
G3,G4
K3
K2
A
1
2
3
4
8
7
6
5
A
Features
K4
•ꢀ Dualꢀportꢀnegativeꢀ
voltageꢀtrackingꢀ
programmableꢀ
component
•ꢀ Highꢀholdingꢀcurrentꢀ150ꢀ
mAꢀmin
•ꢀ Specifiedꢀ2/10ꢀlimitingꢀ
voltage
Pin #
Pin Name
Description
Connectꢀtoꢀsubscriberꢀlinesꢀ(Tip/Ring)ꢀꢀ
•ꢀ Supportsꢀbatteryꢀ
•ꢀ Integratedꢀdiodesꢀ
forꢀpositiveꢀsurgeꢀ
protection
1,ꢀ4,ꢀ
5,ꢀ8
2,ꢀ3
voltagesꢀdownꢀtoꢀ-170V
K1,ꢀK3,ꢀK4,ꢀK2
•ꢀ Lowꢀgateꢀtriggeringꢀ
currentꢀ5ꢀmAꢀmaxꢀ
G1,ꢀG2,ꢀG3,ꢀG4 Connectꢀtoꢀbatteryꢀ(ReferenceꢀVoltage)
ꢀAꢀꢀ Connectꢀtoꢀgroundꢀ(earth)
•ꢀ ESDꢀImmunity(HBM):ꢀ
JESD22ꢀClassꢀ3B,ꢀ≥8KV
6,ꢀ7
•ꢀ Failsꢀinꢀaꢀshortꢀcircuitꢀ
conditionꢀwhenꢀitꢀisꢀ
•ꢀ MSL:ꢀLevelꢀ1ꢀ-ꢀunlimited
surgedꢀinꢀexcessꢀofꢀitsꢀ
ratingsꢀtoꢀprotectꢀallꢀ
downstreamꢀequipment
•ꢀ RoHSꢀcompliantꢀandꢀ
lead-free
Schematic Symbol
•ꢀ Surgeꢀcapabilityꢀdoesꢀ
notꢀdegradeꢀafterꢀ
multipleꢀsurgeꢀeventsꢀ
withinꢀitsꢀratings
Applications
•ꢀ WirelessꢀInꢀtheꢀLocalꢀ
Loopꢀ(WLL)
•ꢀ FXSꢀapplications
•ꢀ DigitalꢀPairꢀGainꢀ
systemsꢀ(DPG)ꢀandꢀ
DigitalꢀLoopꢀCarrierꢀ
systemsꢀ(DLC)ꢀꢀ
•ꢀ Voiceꢀapplicationsꢀwhichꢀ
requireꢀregeneratedꢀ
POTSꢀ
•ꢀ VoIPꢀapplications
•ꢀ SmallꢀOfficeꢀHomeꢀ
Officeꢀ(SOHO)
•ꢀ PBX
B61089QDR
B9110DF/B9110DFR
© 2016 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 11/07/16