Lowꢀprofileꢀpackage
ꢀꢀꢀ(αT:ꢀTemperatureꢀCoefficient)ꢀ
•ꢀ
Typicalꢀfailureꢀmodeꢀisꢀ
•ꢀGlassꢀpassivatedꢀchipꢀ
junction
•ꢀ HighꢀTemperatureꢀ
solderingꢀguaranteed:ꢀ
260°C/40ꢀsecondsꢀatꢀ
terminals
•ꢀ Plasticꢀpackageꢀhasꢀ
underwritersꢀlaboratoryꢀ
flammabilityꢀ94V-O
•ꢀWhiskerꢀtestꢀisꢀconductedꢀ
•ꢀ
IEC-61000-4-2ꢀESDꢀ
15kV(Air),ꢀ8kVꢀ(Contact)
•ꢀ
•ꢀ
•ꢀ
ESDꢀprotectionꢀofꢀdataꢀ
linesꢀinꢀaccordanceꢀwithꢀ
IECꢀ61000-4-2ꢀ(IEC801-2)
EFTꢀprotectionꢀofꢀdataꢀ
linesꢀinꢀaccordanceꢀwithꢀ
IECꢀ61000-4-4ꢀ(IEC801-4)
•ꢀ MeetꢀMSLꢀlevel1,ꢀper
ꢀꢀꢀJ-STD-020,ꢀLFꢀmaximum
ꢀꢀꢀpeakꢀofꢀ260°C
•ꢀ Matteꢀtinꢀlead–freeꢀPlated
•ꢀHalogen-freeꢀandꢀRoHSꢀ
compliant
Built-inꢀstrainꢀrelief
•ꢀ
•ꢀ
Forꢀsurfaceꢀmountedꢀ
applicationsꢀtoꢀoptimizeꢀ
boardꢀspace
TransientVoltage Suppression Diodes
Surface Mount – 400W > P4SMA series
RoHS
P4SMA Series
Description
Uni-directional
TheꢀP4SMAꢀseriesꢀisꢀdesignedꢀspecificallyꢀtoꢀprotectꢀ
sensitiveꢀelectronicꢀequipmentꢀfromꢀvoltageꢀtransientsꢀ
inducedꢀbyꢀlightningꢀandꢀotherꢀtransientꢀvoltageꢀevents.
Bi-directional
Features
•ꢀ Excellentꢀclampingꢀ
capability
•ꢀ Lowꢀincrementalꢀsurgeꢀ
resistance
•ꢀ400Wꢀpeakꢀpulseꢀpowerꢀ
capabilityꢀatꢀ10/1000µsꢀ
waveform,ꢀrepetitionꢀrateꢀ
(dutyꢀcycles):0.01%
•ꢀ Fastꢀresponseꢀtime:ꢀ
typicallyꢀlessꢀthanꢀ1.0psꢀ
fromꢀ0VꢀtoꢀBVꢀmin
•ꢀVBRꢀ@TJ=ꢀVBR@25°Cꢀ×ꢀ(1+αT
ꢀꢀꢀxꢀ(TJꢀ-ꢀ25))
•ꢀ TypicalꢀIRꢀlessꢀthanꢀ1µAꢀ
aboveꢀ12V
Agency Approvals
AGENCY
AGENCY FILE NUMBER
E230531
shortꢀfromꢀover-specifiedꢀ
voltageꢀorꢀcurrentꢀ
Maximum Ratings andThermal Characteristics
(TA=25°C unless otherwise noted)
basedꢀonꢀJEDECꢀ
JESD201Aꢀperꢀitsꢀtableꢀ4aꢀ
andꢀ4c
Parameter
Symbol
PPPM
Value
400
Unit
W
PeakꢀPulseꢀPowerꢀDissipationꢀatꢀ
TA=25ºCꢀbyꢀ10/1000µsꢀWaveformꢀ
(Fig.2)(Noteꢀ1),ꢀ(Noteꢀ2)ꢀ
PowerꢀDissipationꢀonꢀInfiniteꢀHeatꢀ
SinkꢀatꢀTA=50°C
PM(AV)
IFSM
3.3
40
W
A
PeakꢀForwardꢀSurgeꢀCurrent,ꢀ8.3msꢀ
SingleꢀHalfꢀSineꢀWaveꢀ(Noteꢀ3)
MaximumꢀInstantaneousꢀForwardꢀ
Voltageꢀatꢀ25AꢀforꢀUnidirectionalꢀꢀ
Onlyꢀ(Noteꢀ4)
VF
3.5V/6.5
V
OperatingꢀJunctionꢀandꢀStorageꢀ
TemperatureꢀRange
TJ,ꢀTSTG -55ꢀtoꢀ150
°C
TypicalꢀThermalꢀResistanceꢀJunctionꢀ
toꢀLead
RuJL
RuJA
30
°C/W
°C/W
Applications
TypicalꢀThermalꢀResistanceꢀJunctionꢀ
toꢀAmbient
120
TVSꢀdevicesꢀareꢀidealꢀforꢀtheꢀprotectionꢀofꢀI/OꢀInterfaces,ꢀ
CCꢀbusꢀandꢀotherꢀvulnerableꢀcircuitsꢀusedꢀinꢀTelecom,ꢀ
V
Notes:
1.ꢀNon-repetitiveꢀcurrentꢀpulseꢀ,ꢀperꢀFig.ꢀ4ꢀandꢀderatedꢀaboveꢀTAꢀ=ꢀ25°CꢀperꢀFig.ꢀ3ꢀ.
2.ꢀMountedꢀonꢀ0.2x0.2”ꢀ(5.0ꢀ×ꢀ5.0mm)ꢀcopperꢀpadꢀtoꢀeachꢀterminal.
Computer,ꢀIndustrialꢀandꢀConsumerꢀelectronicꢀapplications.
3.ꢀMeasuredꢀonꢀ8.3msꢀsingleꢀhalfꢀsineꢀwaveꢀorꢀequivalentꢀsquareꢀwaveꢀforꢀunidirectionalꢀ
deviceꢀonly,ꢀdutyꢀcycle=4ꢀperꢀminuteꢀmaximum.
4.ꢀVF<3.5VꢀforꢀVBRꢀ<_ꢀ200VꢀandꢀVF<6.5VꢀforꢀVBRꢀꢀ>_ꢀ201V.
Functional Diagram
Additional Information
Bi-directional
Datasheet
Samples
Resources
Cathode
Anode
Uni-directional
© 2014 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 01/20/14