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1KSMB22A Dataheets PDF



Part Number 1KSMB22A
Manufacturers Littelfuse
Logo Littelfuse
Description Transient Voltage Suppression Diodes
Datasheet 1KSMB22A Datasheet1KSMB22A Datasheet (PDF)

Transient Voltage Suppression Diodes Surface Mount – 1000W > 1KSMB series 1KSMB 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 Peak Pulse Power Dissipation at (TFAi=g2.25)º(NCobtye 10/1000µs Waveform 1), (Note 2) Power Dissipation on Infinite Heat Sink at TL=50OC Peak Forward Surge Current, 8.3ms Single Half Sine Wave (Note 3) Maximum In.

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Transient Voltage Suppression Diodes Surface Mount – 1000W > 1KSMB series 1KSMB 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 Peak Pulse Power Dissipation at (TFAi=g2.25)º(NCobtye 10/1000µs Waveform 1), (Note 2) Power Dissipation on Infinite Heat Sink at TL=50OC Peak Forward Surge Current, 8.3ms Single Half Sine Wave (Note 3) Maximum Instantaneous Forward Voltage at 50A for Unidirectional Only Operating Temperature Range Storage Temperature Range Typical Thermal Resistance Junction to Lead PPPM PD IFSM VF TJ TSTG RθJL Typical Thermal Resistance Junction to Ambient RθJA Value 1000 5.0 120 3.5 -65 to 150 -65 to 175 20 100 Unit W W A V °C °C °C/W °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 0.2x0.2” (5.0 x 5.0mm) to each terminal. 3. Measured on 8.3ms single half sine wave or equivalent square wave for unidirectional device only, duty cycle=4 per minute maximum. Functional Diagram Cathode Bi-directional Uni-directional Anode Description The 1KSMB series is designed specifically to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. Features • 1000W peak pulse power capability at 10/1000μs waveform, repetition rate (duty cycles):0.01% • For surface mounted applications to optimize board space • Low profile package • Typical failure mode is short from over-specified voltage or current • Whisker test is conducted based on JEDEC JESD201A per its table 4a and 4c • IEC-61000-4-2 ESD 30kV(Air), 30kV (Contact) • ESD protection of data lines in accordance with IEC 61000-4-2 • EFT protection of data lines in accordance with IEC 61000-4-4 • Built-in strain relief • xV(αB(R1T:+@TαeTmTJ=pxeV(rBTaRJt@u-2r2e55°)C) Coefficient, typical value is 0.1%) • Glass passivated chip junction • Fast response time: typically less than 1.0ps from 0V to BV min • Excellent clamping capability • Low incremental surge resistance • wTyhpeicnaVl IBRR less than 1μA max>12V • High temperature to reflow soldering guaranteed: 260°C/40sec • Plastic package is flammability rated V-0 per Underwriters Laboratories • Meet MSL level1, per J-STD-020, LF maximun peak of 260°C • Matte tin lead–free Plated • Available in breakdown Voltage from 6.8V to 180V specially designed for automotive applications • Offers high-surge rating in compact package: bridges the gap between 600W and 1.5KW • Halogen free and RoHS compliant • Pb-free E3 means 2nd level interconnect is Pb-free and the terminal finish material is tin(Sn) (IPC/JEDEC J-STD609A.01) Applications TVS devices are ideal for the protection of I/O Interfaces, CVCoCmbpuustaenr,dInodtuhsetrrivaul lannedraCbolencsiurcmueitrseulescetdroinniTcelecom, applications. Additional Infomarion .


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