Transient Voltage Suppression Diodes Surface Mount - 1000W > 1KSMB series 1KSMB Series Description Uni-directional 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 E128662 Maximum Ratings and Thermal Characteristics (TA=25C unless otherwise noted) Parameter Symbol Value Unit Peak Pulse Power Dissipation at TA=25C by 10/1000s Waveform (Fig.2)(Note 1), (Note 2) PPPM 1000 W Power Dissipation on Infinite Heat Sink at TA=50C PM(AV) 5.0 W IFSM 100 A VF 3.5V/5.0 V Peak Forward Surge Current, 8.3ms Single Half Sine Wave (Note 3) Maximum Instantaneous Forward Voltage at 50A for Unidirectional Only (Note 4) Operating Junction and Storage Temperature Range * RoHS compliant * 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 15kV(Air), 8kV (Contact) * ESD protection of data lines in accordance with IEC 61000-4-2 (IEC801-2) * EFT protection of data lines in accordance with IEC 61000-4-4 (IEC801-4) * Built-in strain relief * VBR @TJ= VBR@25C x (1+T x (TJ - 25)) (T: Temperature Coefficient) TJ , TSTG -55 to 150 C Typical Thermal Resistance Junction to Lead RuJL 20 C/W Typical Thermal Resistance Junction to Ambient RuJA 100 C/W Notes: 1. Non-repetitive current pulse , per Fig. 4 and derated above TA = 25C 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. 4. VF<3.5V for VBR < _ 50V and VF<5.0V for VBR > _ 51V. Functional Diagram * Glass passivated chip junction * 1000W peak pulse power capability at 10/1000s waveform, repetition rate (duty cycles):0.01% * Fast response time: typically less than 1.0ps from 0V to BV min * Excellent clamping capability * Low incremental surge resistance * Typical IR less than 1A above 12V * High temperature soldering guaranteed: 260C/40 seconds at terminals * Plastic package has underwriters laboratory flammability 94V-O * Meet MSL level1, per J-STD-020, LF maximum peak of 260C * 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 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. Additional Information Bi-directional Cathode Anode Uni-directional (c) 2013 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 09/13/13 Datasheet Resources Samples 1KSMB Series RoHS Transient Voltage Suppression Diodes Surface Mount - 1000W > 1KSMB series Electrical Characteristics.(TA=25C unless otherwise noted) 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 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 Maximum Maximum Maximum Test Agency Peak Reverse Current Clamping Approval Voltage Pulse Leakage IT VC @ Ipp Current Ipp IR @ VR (mA) (V) (A) (A) 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 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 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. (c) 2013 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 09/13/13 Transient Voltage Suppression Diodes Surface Mount - 1000W > 1KSMB series I-V Curve Characteristics Bi-directional Uni-directional Ipp Vc VBR VR IR VF IT Vc VBR VR V IT IR IR IT VR VBR Vc V Ipp Ipp PPPM Peak Pulse Power Dissipation -- Max power dissipation VR Stand-off Voltage -- Maximum voltage that can be applied to the TVS without operation VBR Breakdown Voltage -- Maximum current that flows though the TVS at a specified test current (IT) VC Clamping Voltage -- Peak voltage measured across the suppressor at a specified Ippm (peak impulse current) IR Reverse Leakage Current -- Current measured at VR VF Forward Voltage Drop for Uni-directional Ratings and Characteristic Curves (TA=25C unless otherwise noted) Figure 1 - TVS Transients Clamping Waveform Figure 2 - Peak Pulse Power Rating Curve Voltage Transients PPPM-Peak Pulse Power (kW) 100 Voltage or Current Voltage Across TVS Current Through TVS 10 0.2x0.2" (5.0x5.0mm) 1 Copper Pad Area 0.000001 Time 0.00001 0.0001 0.001 td-Pulse Width (sec.) continues on next page. (c) 2013 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 09/13/13 Transient Voltage Suppression Diodes Surface Mount - 1000W > 1KSMB series Ratings and Characteristic Curves (TA=25C unless otherwise noted) (Continued) Figure 4 - Pulse Waveform Figure 3 - Pulse 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 tr=10sec Peak Value IPPM 100 Half Value IPPM IPPM ( ) 2 50 10/1000sec. Waveform as defined by R.E.A td 0 175 1.0 0 TA-Ambient temperature (C) 2.0 3.0 4.0 t-Time (ms) Figure 6 - Steady State Power Dissipation Derating Curve Figure 5 - Typical Junction Capacitance 10000 PM(AV), Steady State Power Dissipation (W) 6 Bi-directional V=0V Uni-directional V=0V 1000 Uni-directional @VR Cj (pF) TJ=25C Pulse Width(td) is defined as the point where the peak current decays to 50% of IPPM 100 Bi-directional @VR 10 1 1.0 Tj=25C f=1.0MHz Vsig=50mVp-p 10.0 100.0 1000.0 VBR - Reverse Breakdown Voltage (V) 5 4 3 2 1 0 0 25 50 75 100 125 150 175 TA - Ambient Temperature(C) Figure 7 - Maximum Non-Repetitive Peak Forward Surge Current Uni-Directional Only IFSM - Peak Forward Surge Current (A) 120 100 80 60 40 20 0 1 10 100 Number of Cycles at 60 Hz (c) 2013 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 09/13/13 Transient Voltage Suppression Diodes Surface Mount - 1000W > 1KSMB series Soldering Parameters Lead-free assembly Pre Heat - Temperature Min (Ts(min)) 150C - Temperature Max (Ts(max)) 200C - Time (min to max) (ts) 60 - 180 secs Average ramp up rate (Liquidus Temp (TL) to peak 3C/second max TS(max) to TL - Ramp-up Rate 3C/second max Reflow - Temperature (TL) (Liquidus) 217C - Time (min to max) (ts) 60 - 150 seconds Peak Temperature (TP) 260+0/-5 C Time within 5C of actual peak Temperature (tp) 20 - 40 seconds Ramp-down Rate 6C/second max Time 25C to peak Temperature (TP) 8 minutes Max. Do not exceed 280C Physical Specifications Weight 0.003 ounce, 0.093 grams Case JEDEC DO214AA. Molded plastic body over glass passivated junction Polarity Color band denotes cathode except Bidirectional. Terminal Matte Tin-plated leads, Solderable per JESD22-B102D tp TP Ramp-up TL Temperature (T) Reflow Condition tL Critical Zone TL to TP Ts(max) Ramp-down Ts(min) ts Preheat 25C t 25C to Peak Time (t) Environmental Specifications High Temp. Storage JESD22-A103 HTRB JESD22-A108 Thermal Shock JESD22-A106 MSL JEDEC-J-STD-020C, Level 1 H3TRB JESD22-A101 RSH JESD22-B106C Dimensions DO-214AA (SMB J-Bend) Cathode Band (for uni-directional products only) C A B H D F E J G K L Dimension in inches and (millimeters) I Solder Pads (c) 2013 Littelfuse, Inc. (all dimensions in mm) Specifications are subject to change without notice. Revised: 09/13/13 Dimensions Inches Millimeters Min Max Min Max A 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 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 F Cathode Band 5% VBR VOLTAGE TOLERANCE XX BI-DIRECTIONAL YMXXX VBR VOLTAGE (for uni-directional products only) Littelfuse Logo Marking Code Trace Code Marking Y:Year Code M: Month Code XXX: Lot Code SERIES Packaging Part number Component Package 1KSMBxxxXX DO-214AA Quantity 3000 Packaging Option Tape & Reel - 12mm/13" tape 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 (c) 2013 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 09/13/13