Transient Voltage Suppression Diodes Surface Mount – 1000W RoHS 1KSMB Series Description The 1KSMB series is designed specifically to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. Features t 3P)4DPNQMJBOU t 'PSTVSGBDFNPVOUFE applications to optimize board space t -PXQSPmMFQBDLBHF t #VJMUJOTUSBJOSFMJFG t 5ZQJDBMNBYJNVN temperature coefficient Δ VBR = 0.1% × VBR@25°C t (MBTTQBTTJWBUFEDIJQ KVODUJPO t 8QFBLQVMTFQPXFS capability at 10×1000μs waveform, repetition rate (duty cycles):0.01% t 'BTUSFTQPOTFUJNF typically less than 1.0ps from 0V to BV min t &YDFMMFOUDMBNQJOH capability t -PXJODSFNFOUBMTVSHF resistance Agency Approvals AGENCY AGENCY FILE NUMBER E128662 Maximum Ratings and Thermal Characteristics (TA=25OC unless otherwise noted) Parameter Symbol Value Unit Peak Pulse Power Dissipation at TA=25ºC by 10x1000μs waveform (Fig.1)(Note 1), (Note 2) PPPM 1000 W Power Dissipation on infinite heat sink at TA=50OC PM(AV) 5.0 W Peak Forward Surge Current, 8.3ms Single Half Sine Wave (Note 3) IFSM 100 A Maximum Instantaneous Forward Voltage at 50A for Unidirectional only (Note 4) VF 3.5V/5.0 V TJ , TSTG -65 to 150 °C Typical Thermal Resistance Junction to Lead RuJL 20 °C/W Typical Thermal Resistance Junction to Ambient RuJA 100 °C/W Operating Junction and Storage Temperature Range t 5ZQJDBM*R less than 1μA above 12V t )JHI5FNQFSBUVSF soldering guaranteed: 260°C/40 seconds at terminals t 1MBTUJDQBDLBHFIBT Underwriters Laboratory Flammability 94V-O t .BUUF5JO-FBEoGSFF Plated t "WBJMBCMFJOCSFBLEPXO Voltage from 6.8V to 160V specially designed for automotive applications t 0GGFST)JHI4VSHFSBUJOH in compact package: bridges the gap between 600W and 1.5KW 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. Notes: 1. Non-repetitive current pulse , per Fig. 3 and derated above TA = 25OC per Fig. 2. .PVOUFEPODPQQFSQBEBSFBPGYwYNN UPFBDIUFSNJOBM 3. Measured on 8.3ms single half sine wave or equivalent square wave for unidirectional device only, duty cycle=4 per minute maximum. _ 50V and VF<5.0V for VBR > _ 51V. 4. VF<3.5V for VBR < 1KSMB Series Specifications are subject to change without notice. 25 www.littelfuse.com ©2007 Littelfuse Transient Voltage Suppression Diodes Surface Mount – 1000W Electrical Characteristics 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 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 Marking UNI BI A10A A10B A10C A10D "& 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 #& B10F B10G B10H N10A N10B N10C N10D /& 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 0& O10F O10G O10H 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 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 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 Maximum Maximum Maximum Test Agency Peak Reverse Current Clamping Approval Voltage VC Pulse Leakage IR IT @ Ipp Current Ipp @ VR (mA) (V) (A) (μA) 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 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 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 4.6 900 400 180 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 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. 5IFBWBMJBCMFQBSUTBSFi"wUZQFPOMZUIFQBSUTXJUIPVU"7BR is ± 10%) is not avaliable. www.littelfuse.com ©2007 Littelfuse 26 1KSMB Series Specifications are subject to change without notice. Transient Voltage Suppression Diodes Surface Mount – 1000W Ratings and Characteristic Curves (T =25°C unless otherwise noted) A Figure 1 - Peak Pulse Power Rating Curve Figure 2 - Pulse Derating Curve 100 Peak Pulse Power (PPP) or Current (IPP) Derating in Percentage % PPPM-Peak Pulse Power (kW) 100 10 0.2x0.2" (5.0x5.0mm) Copper Pad Area 1 80 60 40 20 0 0.000001 0.00001 0.0001 0 0.001 25 Figure 3 - Pulse Waveform 75 100 125 150 175 Figure 4 - Typical Junction Capacitance 10000 150 tr=10μsec Peak Value IPPM 100 Bi-directional V=0V TJ=25°C Pulse Width(td) is defined as the point where the peak current decays to 50% of IPPM Uni-directional V=0V 1000 Uni-directional @VR Cj (pF) IPPM- Peak Pulse Current, % IRSM 50 TA-Ambient temperature (ºC) td-Pulse Width (sec.) Half Value IPPM IPPM ( ) 2 100 Bi-directional @VR 50 10/1000μsec. Waveform as defined by R.E.A 10 Tj=25C f=1.0MHz Vsig=50mVp-p td 0 1.0 0 2.0 3.0 1 1.0 4.0 t-Time (ms) Figure 5 - Steady State Power Dissipation Derating Curve 100.0 1000.0 Figure 6 - Maximum Non-Repetitive Peak Forward Surge Current Uni-Directional Only 6 120 IFSM - Peak Forward Surge Current (A) PM(AV), Steady State Power Dissipation (W) 10.0 VBR - Reverse Breakdown Voltage (V) 5 4 3 2 1 0 100 80 60 40 20 0 0 25 50 75 100 125 150 1 175 TA - Ambient Temperature(ºC) 1KSMB Series Specifications are subject to change without notice. 10 100 Number of Cycles at 60 Hz 27 www.littelfuse.com ©2007 Littelfuse Transient Voltage Suppression Diodes Surface Mount – 1000W Soldering Parameters Reflow Condition -FBEoGSFFBTTFNCMZ tp TP 150°C - Temperature Max (Ts(max)) 200°C - Time (min to max) (ts) oTFDT Ramp-up TL Average ramp up rate (Liquidus Temp (TL) to peak 3°C/second max TS(max) to TL - Ramp-up Rate 3°C/second max Reflow - Temperature (TL) (Liquidus) 217°C - Time (min to max) (ts) oTFDPOET Temperature (T) Pre Heat - Temperature Min (Ts(min)) Ts(max) Ramp-down Ts(min) ts Preheat 25˚C t 25˚C to Peak Peak Temperature (TP) 260 Time within 5°C of actual peak Temperature (tp) oTFDPOET Ramp-down Rate 6°C/second max Time 25°C to peak Temperature (TP) 8 minutes Max. Do not exceed 280°C +0/-5 Time (t) °C Physical Specifications Environmental Specifications Weight 0.003 ounce, 0.093 grams Temperature Cycle +&4%" Case +&%&$%0"".PMEFEQMBTUJDCPEZ PWFSHMBTTQBTTJWBUFEKVODUJPO Pressure Cooker +&4%" Polarity Color band denotes cathode except Bidirectional. High Temp. Storage +&4%" Terminal Matte Tin-plated leads, Solderable per +&4%#% HTRB +&4%" Thermal Shock +&4%" www.littelfuse.com ©2007 Littelfuse Critical Zone TL to TP tL 28 1KSMB Series Specifications are subject to change without notice. Transient Voltage Suppression Diodes Surface Mount – 1000W Dimensions DO-214AA (SMB J-Bend) Dimensions C B H D F E G K J L Millimeters Min Max A 0.077 B 0.160 Cathode Band A Inches Min Max 0.086 1.950 2.200 0.180 4.060 4.570 C 0.130 0.155 3.300 3.940 D 0.084 0.096 2.130 2.440 & 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 - I Part Numbering System Part Marking System 1KSMB XXX C A Cathode Band XXX 5% VOLTAGE TOLERANCE BI-DIRECTIONAL F VOLTAGE SERIES Littelfuse Logo Marking Code Packaging Part number Component Package 1KSMBxxxXX DO-214AA 1KSMB Series Specifications are subject to change without notice. Quantity 3000 Packaging Option 5BQF3FFMoNNwUBQF 29 Packaging Specification &*"45%34 www.littelfuse.com ©2007 Littelfuse