TVS Diodes Surface Mount – 1000W > 1KSMB series 1KSMB Series RoHS Pb e3 Description The 1KSMB series is designed specifically to protect sensitive electronic equipment from voltage transients Uni-directional induced by lightning and other transient voltage events. Features Bi-directional • 1000W peak pulse power • Excellent clamping capability at 10/1000μs capability waveform, repetition rate • Low incremental surge (duty cycles):0.01% resistance • For surface mounted • Typical I less than 1μA R Agency Approvals applications to optimize when V max>12V BR board space • High temperature • Low profile package to reflow soldering Agency Agency File Number • Typical failure mode is guaranteed: 260°C/40sec E230531 short from over-specified • Plastic package is voltage or current flammability rated V-0 per • Whisker test is conducted Underwriters Laboratories Maximum Ratings and Thermal Characteristics (T =25OC unless otherwise noted) based on JEDEC • Meet MSL level1, per A JESD201A per its table 4a J-STD-020, LF maximun and 4c peak of 260°C Parameter Symbol Value Unit • IEC-61000-4-2 ESD • Matte tin lead–free Plated Peak Pulse Power Dissipation at TA=25ºC by P 1000 W 30kV(Air), 30kV (Contact) • Available in breakdown 10/1000µs Waveform (Fig.2)(Note 1), (Note 2) PPM Power Dissipation on Infinite Heat Sink at • ESD protection of data Voltage from 6.8V to 180V T=50OC PD 5.0 W lines in accordance with specially designed for L Peak Forward Surge Current, 8.3ms Single Half IEC 61000-4-2 automotive applications I 120 A Sine Wave (Note 3) FSM • EFT protection of data • Offers high-surge rating in Maximum Instantaneous Forward Voltage at 50A for Unidirectional Only VF 3.5 V lines in accordance with compact package: bridges Operating Temperature Range T -65 to 150 °C IEC 61000-4-4 the gap between 600W J • Built-in strain relief and 1.5KW Storage Temperature Range T -65 to 175 °C STG • V @ T= V @25°C • Halogen free and RoHS Typical Thermal Resistance Junction to Lead R 20 °C/W BR J BR θJL x (1+αT x (T - 25)) compliant Typical Thermal Resistance Junction to Ambient R 100 °C/W J θJA (αT:Temperature • Pb-free E3 means 2nd Notes: Coefficient, typical value 1. Non-repetitive current pulse , per Fig. 4 and derated above T (initial) =25OC per Fig. 3. level interconnect is 2. Mounted on copper pad area of 0.2x0.2” (5.0 x 5.0mm) to eacJh terminal. is 0.1%) Pb-free and the terminal 3cy. cMlee=a4s upreerd m oinn u8t.e3 mmsa xsiimngulme .half sine wave or equivalent square wave for unidirectional device only, duty • Glass passivated chip finish material is tin(Sn) junction (IPC/JEDEC J-STD- • Fast response time: 609A.01) typically less than 1.0ps from 0V to BV min Functional Diagram Applications TVS devices are ideal for the protection of I/O Interfaces, V bus and other vulnerable circuits used in Telecom, CC Computer, Industrial and Consumer electronic applications. Bi-directional Additional Infomarion Cathode Anode Uni-directional Datasheet Resources Samples © 2020 Littelfuse, Inc. Specifications are subject to change without notice. Revised: BA.08/26/20

TVS Diodes Surface Mount – 1000W > 1KSMB series Electrical Characteristics (T=25°C unless otherwise noted) A Reverse Breakdown Test Maximum Maximum Maximum Agency Part Part Marking Stand off Voltage V Current Clamping Peak Reverse Approval Number Number BR Voltage V Pulse Leakage I (Uni) (Bi) Vo(Vltoagltes )VR (Volts) @ IT IT @ Ipp C Current Ipp @ VR R Uni Bi Min. Max. (mA) (V) (A) (µA) 1KSMB6.8A 1KSMB6.8CA A10A N10A 5.80 6.45 7.14 10 10.5 95.2 900 x 1KSMB7.5A 1KSMB7.5CA A10B N10B 6.40 7.13 7.88 10 11.3 88.5 400 x 1KSMB8.2A 1KSMB8.2CA A10C N10C 7.02 7.79 8.61 10 12.1 82.6 180 x 1KSMB9.1A 1KSMB9.1CA A10D N10D 7.78 8.65 9.55 1 13.4 74.6 45 x 1KSMB10A 1KSMB10CA A10E N10E 8.55 9.50 10.50 1 14.5 69.0 8 x 1KSMB11A 1KSMB11CA A10F N10F 9.40 10.50 11.60 1 15.6 64.1 4 x 1KSMB12A 1KSMB12CA A10G N10G 10.20 11.40 12.60 1 16.7 59.9 1 x 1KSMB13A 1KSMB13CA A10H N10H 11.10 12.40 13.70 1 18.2 54.9 1 x 1KSMB15A 1KSMB15CA A10I N10I 12.80 14.30 15.80 1 21.2 47.2 1 x 1KSMB16A 1KSMB16CA A10J N10J 13.60 15.20 16.80 1 22.5 44.4 1 x 1KSMB18A 1KSMB18CA A10K N10K 15.30 17.10 18.90 1 25.5 39.2 1 x 1KSMB20A 1KSMB20CA A10L N10L 17.10 19.00 21.00 1 27.7 36.1 1 x 1KSMB22A 1KSMB22CA A10M N10M 18.80 20.90 23.10 1 30.6 32.7 1 x 1KSMB24A 1KSMB24CA A10N N10N 20.50 22.80 25.20 1 33.2 30.1 1 x 1KSMB27A 1KSMB27CA A10O N10O 23.10 25.70 28.40 1 37.5 26.7 1 x 1KSMB30A 1KSMB30CA A10P N10P 25.60 28.50 31.50 1 41.4 24.2 1 x 1KSMB33A 1KSMB33CA A10Q N10Q 28.20 31.40 34.70 1 45.7 21.9 1 x 1KSMB36A 1KSMB36CA A10R N10R 30.80 34.20 37.80 1 49.9 20.0 1 x 1KSMB39A 1KSMB39CA A10S N10S 33.30 37.10 41.00 1 53.9 18.6 1 x 1KSMB43A 1KSMB43CA A10T N10T 36.80 40.90 45.20 1 59.3 16.9 1 x 1KSMB47A 1KSMB47CA A10U N10U 40.20 44.70 49.40 1 64.8 15.4 1 x 1KSMB51A 1KSMB51CA A10V N10V 43.60 48.50 53.60 1 70.1 14.3 1 x 1KSMB56A 1KSMB56CA A10W N10W 47.80 53.20 58.80 1 77.0 13.0 1 x 1KSMB62A 1KSMB62CA A10X N10X 53.00 58.90 65.10 1 85.0 11.8 1 x 1KSMB68A 1KSMB68CA A10Y N10Y 58.10 64.60 71.40 1 92.0 10.9 1 x 1KSMB75A 1KSMB75CA A10Z N10Z 64.10 71.30 78.80 1 103.0 9.7 1 x 1KSMB82A 1KSMB82CA B10A O10A 70.10 77.90 86.10 1 113.0 8.8 1 x 1KSMB91A 1KSMB91CA B10B O10B 77.80 86.50 95.50 1 125.0 8.0 1 x 1KSMB100A 1KSMB100CA B10C O10C 85.50 95.00 105.00 1 137.0 7.3 1 x 1KSMB110A 1KSMB110CA B10D O10D 94.00 105.00 116.00 1 152.0 6.6 1 x 1KSMB120A 1KSMB120CA B10E O10E 102.00 114.00 126.00 1 165.0 6.1 1 x 1KSMB130A 1KSMB130CA B10F O10F 111.00 124.00 137.00 1 179.0 5.6 1 x 1KSMB150A 1KSMB150CA B10G O10G 128.00 143.00 158.00 1 207.0 4.8 1 x 1KSMB160A 1KSMB160CA B10H O10H 136.00 152.00 168.00 1 219.0 4.6 1 x 1KSMB170A 1KSMB170CA B10I O10I 144.50 162.00 179.00 1 234.0 4.3 1 x 1KSMB180A 1KSMB180CA B10J O10J 153.00 171.00 189.00 1 246.0 4.1 1 x For bidirectional type having V of 10 volts and less, the I limit is double. R R For parts without A V is ± 10% and V is 5% higher than with A parts, the parts without A are currently available, but not recommended for new designs. The parts with A are preferred. BR C © 2020 Littelfuse, Inc. Specifications are subject to change without notice. Revised: BA.08/26/20

TVS Diodes Surface Mount – 1000W > 1KSMB series I-V Curve Characteristics Uni-directional Bi-directional Ipp IT Vc VBRVR V Vc VBRVR IR V IIRTVF IIRT VRVBRVc Ipp Ipp P Peak Pulse Power Dissipation -- Max power dissipation PPM V Stand-off Voltage -- Maximum voltage that can be applied to the TVS without operation R V Breakdown Voltage -- Maximum voltage that flows though the TVS at a specified test current (I) BR T V Clamping Voltage -- Peak voltage measured across the TVS at a specified Ippm (peak impulse current) C I Reverse Leakage Current -- Current measured at V R R V Forward Voltage Drop for Uni-directional F Ratings and Characteristic Curves (T=25°C unless otherwise noted) A Figure 1 - TVS Transients Clamping Waveform Figure 2 - Peak Pulse Power Rating Curve Voltage Transients 100 W) k Voltage Across TVS er ( nt ow e P Voltage or Curr Current Through TVS P-Peak Pulse PPM 10 0.2x0.2" (5.0x5.0mm) Copper Pad Area 1 0.000001 0.00001 0.0001 0.001 t-Pulse Width (sec.) d Time © 2020 Littelfuse, Inc. Specifications are subject to change without notice. Revised: BA.08/26/20

TVS Diodes Surface Mount – 1000W > 1KSMB series Ratings and Characteristic Curves (T=25°C unless otherwise noted) (Continued) A Figure 3 - Peak Pulse Power Derating Curve Figure 4 - Pulse Waveform 150 Peak Pluse Power(PPP) or Current(IPP)Derating in Percentage % 12468000000%%%%% SMF110 ~ SMF250 SMF5.0 ~ SMF100 - Peak Pulse Current, % IMRSM 15000 tr=1PI0PeµPasMke cVaHIlPuaPelMf Va(lI Pu P1a2eTPac0sM usuJ / rd1=)ltrsh02eeee50nfi W °0tpnC dµioedeisdtnceh tabc( wyt.yds hW ) R teiosar. E ev5d .0eteAh%ffieon orpemfde IaPkP M IPP 0%0 25 50 75 100 125 150 175 td 0 T Initial Junction Temperature(˚C) 0 1.0 2.0 3.0 4.0 J t-Time (ms) Figure 5 - Typical Junction Capacitance Figure 6 - Typical Transient Thermal Impedance 10000 1000 Bi-directional V=0V W) C/ 1000 Uni-directional V=0V e (° 100 nc Uni-directional @VR eda p Cj (pF) 100 ermal Im 10 Bi-directional @VR nt Th 1 10 nsie Tf=j=12.05MCHz Tra Vsig=50mVp-p 0.1 1 0.001 0.01 0.1 1 10 100 1000 1.0 10.0 100.0 1000.0 T -Pulse Duration (s) P V - Reverse Breakdown Voltage (V) BR Figure 7 - Maximum Non-Repetitive Peak Forward Figure 8 - Peak Forward Voltage Drop vs Peak Forward Surge Current Uni-Directional Only Current (Typical Values) 120 100 nt Surge Curre 18000 Current(A) 10 ward (A) 60 ward 1 or or - Peak FM 2400 I-Peak FF 0.1 IFS 0 0.01 1 10 100 0 1 2 3 4 5 6 Number of Cycles at 60 Hz VF-Peak Forward Voltage(V) © 2020 Littelfuse, Inc. Specifications are subject to change without notice. Revised: BA.08/26/20

TVS Diodes Surface Mount – 1000W > 1KSMB series Soldering Parameters Reflow Condition Lead–free assembly Pre Heat -- TTeemmppeerraattuurree MMianx ((TTs(min))) 125000°°CC TP tp s(max) Ramp-up Critical Zone - Time (min to max) (ts) 60 – 180 secs TL tL TL to TP Average ramp up rate (Liquidus Temp (T) to peak 3°C/second max TS(max) to TA - Ramp-up Rate A 3°C/second max ure (T)Ts(max) Reflow -- TTeimmep e(mraitnu rteo (mTAa)x ()L (itqsu)idus) 26107 –° C1 50 seconds emperatTTs(min) Prethseat Ramp-down Peak Temperature (T) 260+0/-5 °C P 25˚C Time within 5°C of actual peak Temperature (t) 20 – 40 seconds t 25˚C to Peak p Time (t) Ramp-down Rate 6°C/second max Time 25°C to peak Temperature (T) 8 minutes Max. P Do not exceed 260°C Physical Specifications Environmental Specifications Weight 0.003 ounce, 0.093 grams High Temp. Storage JESD22-A103 JEDEC DO214AA. Molded plastic body over glass HTRB JESD22-A108 Case passivated junction Temperature Cycling JESD22-A104 Polarity Color band denotes cathode except Bidirectional. MSL JEDEC-J-STD-020, Level 1 Matte Tin-plated leads, Solderable per Terminal H3TRB JESD22-A101 JESD22-B102 RSH JESD22-A111 Dimensions DO-214AA (SMB J-Bend) Inches Millimeters Cathode Band Dimensions (for Uni-directional products only) Min Max Min Max A 0.077 0.086 1.950 2.200 B 0.160 0.180 4.060 4.570 A C C 0.130 0.155 3.300 3.940 D 0.084 0.096 2.130 2.440 E 0.030 0.060 0.760 1.520 B F - 0.008 - 0.203 G 0.205 0.220 5.210 5.590 H H 0.006 0.012 0.152 0.305 D I 0.089 - 2.260 - J 0.085 - 2.160 - K - 0.107 - 2.740 F L 0.085 - 2.160 - E G J K L I Solder Pads (all dimensions in mm) © 2020 Littelfuse, Inc. Specifications are subject to change without notice. Revised: BA.08/26/20

TVS Diodes Surface Mount – 1000W > 1KSMB series Part Numbering System Part Marking System 1KSMB XXX C A Cathode Band (for uni-directional products only) F Littelfuse Logo 5% V Voltage Tolerance BR XX Bi-Directional Marking Code YMXXX VBR Voltage Trace Code Marking Series Y:Year Code M: Month Code XXX: Lot Code Packaging Part number Component Package Quantity Packaging Option Packaging Specification 1KSMBxxxXX DO-214AA 3000 Tape & Reel - 12mm tape/13” reel EIA STD RS-481 Tape and Reel Specification 0.157 (4.0) 0.47 (12.0) Cathode 0.315 0.059 DIA Cover tape (8.0) (1.5) 13.0 (330) Dimensions are in inches 0.80 (20.2) (and millimeters). Arbor Hole Dia. Direction of Feed 0.49 (12.5) Disclaimer Notice - Information furnished is believed to be accurate and reliable. However, users should independently evaluate the suitability of and test each product selected for their own applications. Littelfuse products are not designed for, and may not be used in, all applications. Read complete Disclaimer Notice at www.littelfuse.com/disclaimer-electronics. © 2020 Littelfuse, Inc. Specifications are subject to change without notice. Revised: BA.08/26/20