Transient Voltage Suppression Diodes Surface Mount – 1000W > 1KSMB series 1KSMB Series RoHS Uni-directional Pb e3 Description Bi-directional The 1KSMB series is designed specifically to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. Features 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 at TA=25ºC by 10/1000µs Waveform (Fig.2)(Note 1), (Note 2) PPPM 1000 W Power Dissipation on Infinite Heat Sink at TL=50OC PD 5.0 W Peak Forward Surge Current, 8.3ms Single Half Sine Wave (Note 3) IFSM 120 A VF 3.5 V TJ -65 to 150 °C Storage Temperature Range TSTG -65 to 175 °C Typical Thermal Resistance Junction to Lead RθJL 20 °C/W Typical Thermal Resistance Junction to Ambient RθJA 100 °C/W Maximum Instantaneous Forward Voltage at 50A for Unidirectional Only Operating Temperature Range 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. • 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 • VBR @ TJ= VBR@25°C x (1+αT x (TJ - 25)) (αT:Temperature 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 • Typical IR less than 1μA when VBR 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, VCC bus and other vulnerable circuits used in Telecom, Computer, Industrial and Consumer electronic applications. Functional Diagram Additional Infomarion Bi-directional Cathode Anode Uni-directional © 2015 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 11/20/15 Datasheet Resources Samples Transient Voltage Suppression Diodes Surface Mount – 1000W > 1KSMB series Electrical Characteristics (T =25°C unless otherwise noted) A Part Number (Uni) Part Number (Bi) 1KSMB6.8A 1KSMB7.5A 1KSMB8.2A 1KSMB9.1A 1KSMB10A 1KSMB11A 1KSMB12A 1KSMB13A 1KSMB15A 1KSMB16A 1KSMB18A 1KSMB20A 1KSMB22A 1KSMB24A 1KSMB27A 1KSMB30A 1KSMB33A 1KSMB36A 1KSMB39A 1KSMB43A 1KSMB47A 1KSMB51A 1KSMB56A 1KSMB62A 1KSMB68A 1KSMB75A 1KSMB82A 1KSMB91A 1KSMB100A 1KSMB110A 1KSMB120A 1KSMB130A 1KSMB150A 1KSMB160A 1KSMB170A 1KSMB180A 1KSMB6.8CA 1KSMB7.5CA 1KSMB8.2CA 1KSMB9.1CA 1KSMB10CA 1KSMB11CA 1KSMB12CA 1KSMB13CA 1KSMB15CA 1KSMB16CA 1KSMB18CA 1KSMB20CA 1KSMB22CA 1KSMB24CA 1KSMB27CA 1KSMB30CA 1KSMB33CA 1KSMB36CA 1KSMB39CA 1KSMB43CA 1KSMB47CA 1KSMB51CA 1KSMB56CA 1KSMB62CA 1KSMB68CA 1KSMB75CA 1KSMB82CA 1KSMB91CA 1KSMB100CA 1KSMB110CA 1KSMB120CA 1KSMB130CA 1KSMB150CA 1KSMB160CA 1KSMB170CA 1KSMB180CA Marking UNI BI A10A A10B A10C A10D A10E A10F A10G A10H A10I A10J A10K A10L A10M A10N A10O A10P A10Q A10R A10S A10T A10U A10V A10W A10X A10Y A10Z B10A B10B B10C B10D B10E B10F B10G B10H B10I B10J N10A N10B N10C N10D N10E N10F N10G N10H N10I N10J N10K N10L N10M N10N N10O N10P N10Q N10R N10S N10T N10U N10V N10W N10X N10Y N10Z O10A O10B O10C O10D O10E O10F O10G O10H O10I O10J Reverse Stand off Voltage VR (Volts) 5.80 6.40 7.02 7.78 8.55 9.40 10.20 11.10 12.80 13.60 15.30 17.10 18.80 20.50 23.10 25.60 28.20 30.80 33.30 36.80 40.20 43.60 47.80 53.00 58.10 64.10 70.10 77.80 85.50 94.00 102.00 111.00 128.00 136.00 144.50 153.00 Breakdown Voltage VBR (Volts) @ IT MIN MAX Test Current IT (mA) 6.45 7.13 7.79 8.65 9.50 10.50 11.40 12.40 14.30 15.20 17.10 19.00 20.90 22.80 25.70 28.50 31.40 34.20 37.10 40.90 44.70 48.50 53.20 58.90 64.60 71.30 77.90 86.50 95.00 105.00 114.00 124.00 143.00 152.00 162.00 171.00 7.14 7.88 8.61 9.55 10.50 11.60 12.60 13.70 15.80 16.80 18.90 21.00 23.10 25.20 28.40 31.50 34.70 37.80 41.00 45.20 49.40 53.60 58.80 65.10 71.40 78.80 86.10 95.50 105.00 116.00 126.00 137.00 158.00 168.00 179.00 189.00 10 10 10 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Maximum Maximum Maximum Agency Clamping Peak Reverse Approval Voltage VC Pulse Leakage IR @ Ipp Current Ipp @ VR (V) (A) (µA) 10.5 11.3 12.1 13.4 14.5 15.6 16.7 18.2 21.2 22.5 25.5 27.7 30.6 33.2 37.5 41.4 45.7 49.9 53.9 59.3 64.8 70.1 77.0 85.0 92.0 103.0 113.0 125.0 137.0 152.0 165.0 179.0 207.0 219.0 234.0 246.0 95.2 88.5 82.6 74.6 69.0 64.1 59.9 54.9 47.2 44.4 39.2 36.1 32.7 30.1 26.7 24.2 21.9 20.0 18.6 16.9 15.4 14.3 13.0 11.8 10.9 9.7 8.8 8.0 7.3 6.6 6.1 5.6 4.8 4.6 4.3 4.1 900 400 180 45 8 4 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x For bidirectional type having VR of 10 volts and less, the IR limit is double. For parts without A VBR is ± 10% and VC is 5% higher than with A parts. © 2015 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 11/20/15 Transient Voltage Suppression Diodes Surface Mount – 1000W > 1KSMB series I-V Curve Characteristics Bi-directional Uni-directional Ipp Vc VBR VR Vc VBR VR IT IR IR IT V IR VF IT VR VBR Vc V Ipp Ipp PPPM VR VBR VC IR VF Peak Pulse Power Dissipation -- Max power dissipation Stand-off Voltage -- Maximum voltage that can be applied to the TVS without operation Breakdown Voltage -- Maximum voltage that flows though the TVS at a specified test current (IT) Clamping Voltage -- Peak voltage measured across the TVS at a specified Ippm (peak impulse current) Reverse Leakage Current -- Current measured at VR Forward Voltage Drop for Uni-directional 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 PPPM-Peak Pulse Power (kW) TJ initial = Tamb Voltage or Current Voltage Across TVS Current Through TVS 10 0.2x0.2" (5.0x5.0mm) 1 Copper Pad Area 0.001 Time 0.01 0.1 1 td-Pulse Width (ms) continues on next page. © 2015 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 11/20/15 Transient Voltage Suppression Diodes Surface Mount – 1000W > 1KSMB series Ratings and Characteristic Curves (T =25°C unless otherwise noted) (Continued) A Figure 4 - Pulse Waveform Figure 3 - Peak Pulse Power Derating Curve 150 IPPM- Peak Pulse Current, % IRSM Peak Pulse Power (PPP) or Current (IPP) Derating in Percentage % 100 80 60 40 20 0 0 25 50 75 100 125 150 TJ - Initial Junction Temperature (ºC) Half Value IPPM IPPM ( ) 2 50 0 10/1000µsec. Waveform as defined by R.E.A td 1.0 0 2.0 3.0 4.0 t-Time (ms) Figure 6 - Typical Transient Thermal Impedance 10000 Uni-directional V=0V 1000 Uni-directional @VR 100 Bi-directional @VR 10 1 1.0 Tj=25C f=1.0MHz Vsig=50mVp-p 10.0 100.0 Transient Thermal Impedance (°C/W) 1000 Bi-directional V=0V 100 10 1 0.1 0.001 1000.0 0.01 Figure 7 - Maximum Non-Repetitive Peak Forward Surge Current Uni-Directional Only 10 100 1000 100 I F - Peak Forward Current(A) 100 80 60 40 20 1 1 Figure 8 - Peak Forward Voltage Drop vs Peak Forward Current (Typical Values) 120 0 0.1 TP - Pulse Duration (s) VBR - Reverse Breakdown Voltage (V) IFSM - Peak Forward Surge Current (A) TJ=25°C Pulse Width(td) is defined as the point where the peak current decays to 50% of IPPM Peak Value IPPM 100 175 Figure 5 - Typical Junction Capacitance Cj (pF) tr=10µsec 10 Number of Cycles at 60 Hz 100 10 1 0.1 0.01 0 1 2 3 4 5 6 VF - Peak Forward Voltage(V) © 2015 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 11/20/15 Transient Voltage Suppression Diodes Surface Mount – 1000W > 1KSMB series Soldering Parameters Lead–free assembly Pre Heat - Temperature Min (Ts(min)) 150°C - Temperature Max (Ts(max)) 200°C - Time (min to max) (ts) 60 – 180 secs Average ramp up rate (Liquidus Temp (TA) to peak 3°C/second max TS(max) to TA - Ramp-up Rate 3°C/second max Reflow - Temperature (TA) (Liquidus) 217°C - Time (min to max) (ts) 60 – 150 seconds Peak Temperature (TP) 260+0/-5 °C Time within 5°C of actual peak Temperature (tp) 20 – 40 seconds Ramp-down Rate 6°C/second max Time 25°C to peak Temperature (TP) 8 minutes Max. Do not exceed 260°C Physical Specifications tp TP Ramp-up TL Temperature (T) Reflow Condition tL Critical Zone TL to TP Ts(max) Ramp-down Ts(min) ts Preheat 25˚C t 25˚C to Peak Time (t) Environmental Specifications High Temp. Storage JESD22-A103 HTRB JESD22-A108 Temperature Cycling JESD22-A104 Weight 0.003 ounce, 0.093 grams Case JEDEC DO214AA. Molded plastic body over glass passivated junction MSL JEDEC-J-STD-020, Level 1 Polarity Color band denotes cathode except Bidirectional. H3TRB JESD22-A101 Terminal Matte Tin-plated leads, Solderable per JESD22-B102 RSH JESD22-A111 Dimensions DO-214AA (SMB J-Bend) Cathode Band (for Uni-directional products only) C A B H D F E J G K L I Solder Pads (all dimensions in mm) © 2015 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 11/20/15 Dimensions Inches Millimeters Min Max Min Max 0.077 0.086 1.950 2.200 B 0.160 0.180 4.060 4.570 C 0.130 0.155 3.300 3.940 A D 0.084 0.096 2.130 2.440 E 0.030 0.060 0.760 1.520 F - 0.008 - 0.203 G 0.205 0.220 5.210 5.590 H 0.006 0.012 0.152 0.305 I 0.089 - 2.260 - J 0.085 - 2.160 - K - 0.107 - 2.740 L 0.085 - 2.160 - Transient Voltage Suppression Diodes Surface Mount – 1000W > 1KSMB series Part Numbering System Part Marking System 1KSMB XXX C A Cathode Band F (for Uni-directional products only) 5% VBR VOLTAGE TOLERANCE BI-DIRECTIONAL XX VBR VOLTAGE YMXXX SERIES Littelfuse Logo Marking Code Trace Code Marking Y:Year Code M: Month Code XXX: Lot Code Packaging Part number Component Package 1KSMBxxxXX DO-214AA Packaging Option Quantity 3000 Tape & Reel - 12mm tape/13” reel Packaging Specification EIA STD RS-481 Tape and Reel Specification 0.157 (4.0) 0.47 (12.0) Cathode 0.315 (8.0) 0.059 DIA (1.5) Cover tape 13.0 (330) 0.80 (20.2) Arbor Hole Dia. 0.49 (12.5) Dimensions are in inches (and millimeters). Direction of Feed © 2015 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 11/20/15