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SMDJ350A Dataheets PDF



Part Number SMDJ350A
Manufacturers Littelfuse
Logo Littelfuse
Description Transient Voltage Suppression Diodes
Datasheet SMDJ350A DatasheetSMDJ350A Datasheet (PDF)

SMDJ Series TVS Diodes Surface Mount – 3000W > SMDJ series RoHS Pb e3 Uni-directional Bi-directional Agency Approvals Agency Agency File Number E230531 Maximum Ratings and Thermal Characteristics (TA=25OC unless otherwise noted) Parameter Symbol Value Unit Peak Pulse Power Dissipation by 10/1000µs Waveform (Fig. 2a,t4T) A=25ºC (Note 1,2,5) PPPM 3000 W Power Dissipation on Infinite Heat Sink at TL=50OC PD 6.5 W Peak Forward Surge Current, 8.3ms Single Half Sine Wave (Note 3) .

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SMDJ Series TVS Diodes Surface Mount – 3000W > SMDJ series RoHS Pb e3 Uni-directional Bi-directional Agency Approvals Agency Agency File Number E230531 Maximum Ratings and Thermal Characteristics (TA=25OC unless otherwise noted) Parameter Symbol Value Unit Peak Pulse Power Dissipation by 10/1000µs Waveform (Fig. 2a,t4T) A=25ºC (Note 1,2,5) PPPM 3000 W Power Dissipation on Infinite Heat Sink at TL=50OC PD 6.5 W Peak Forward Surge Current, 8.3ms Single Half Sine Wave (Note 3) IFSM 300 A Maximum Instantaneous Forward Voltage at 100A for Unidirectional Only(Note 4) VF 3.5/5.0 V Operating Temperature Range TJ -65 to 150 °C Storage Temperature Range TSTG -65 to 175 °C Typical Thermal Resistance Junction to Lead RƟJL 15 °C/W Typical Thermal Resistance Junction to Ambient RƟJA 75 °C/W Notes: 1. Non-repetitive current pulse , per Fig. 4 and derated above TJ (initial) =25OC per Fig. 3. 2. Mounted on copper pad area of 0.31x0.31” (8.0 x 8.0mm) to each terminal. 3. Measured on 8.3ms single half sine wave or equivalent square wave for unidirectional component only, duty cycle=4 per minute maximum. 4. VF < 3.5V for single die parts and VF< 5.0V for stacked-die parts. 5. TdheetaPilPsP.M of stacked-die parts is 4000W and please contact Littelfuse for stacked-die part Functional Diagram Description The SMDJ series is designed specifically to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. Features • a3t01000/W100P0PPμMscwapavaebfiloitrym, • Low incremental surge resistance repetition rate (duty cycles):0.01% • For surface mounted applications in order to optimize board space • VTyBpR imcailnI>R 1le2sVs than 2μA when • High temperature to reflow soldering guaranteed: 260°C/40sec • Low profile package • Typical failure mode is short from over-specified voltage or • VxCBo(RTeJ@ff-icT2iJ5e=)n)V(tα,BRtTy@:pT2iec5ma°lCpexra(1tu+rαe T current value is 0.1%) • Whisker test is conducted based on JEDEC JESD201A per its table 4a and 4c • UL Recognized compound meeting flammability rating V-0 • IEC-61000-4-2 ESD 30kV(Air), • Meet MSL level1, per 30kV (Contact) J-STD-020, LF maximun peak • ESD protection of data lines of 260°C in accordance with • Matte tin lead–free plated IEC 61000-4-2 • Halogen free and • EFT protection of data lines in RoHS compliant accordance with IEC 61000-4-4 • Pb-free E3 means 2nd level interconnect is Pb-free and • Built-in strain relief the terminal finish material is • Glass passivated chip junction • Fast response time: typically tin(Sn) (IPC/JEDEC J-STD609A.01) less than 1.0ps from 0V to BV min • Excellent clamping capability Applications TVS components are ideal for the protection of I/O tInetleecrfoamce,sc,oVmCCpbuutesr,aInndduosthtreiar lvaunlndecroabnlseucmirecrueitlsecutsreodniicn applications. Additional Infomarion Cathode Bi-directional Uni-directional Anode Datasheet R.


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