TVS Diodes Surface Mount > 600W > SZP6SMB Series SZP6SMB Series Pb Description The SZP6SMB series is designed to protect voltage sensitive components from high voltage, high energy transients. They have excellent clamping capability, high surge capability, low zener impedance and fast response time. The SZP6SMB series is supplied in the Littelfuse exclusive, cost-effective, highly reliable package and is ideally suited for use in communication systems, automotive, numerical controls, process controls, medical equipment, business machines, power supplies and many other industrial/consumer applications. Features * Working Peak Reverse Voltage Range - 5.8 to 171 V Maximum Ratings and Thermal Characteristics Parameter (for Uni-directional), 9.4 to 77.8 V (for Bi-directional) Symbol Value Unit Peak Power Dissipation (Note 1) @ TL = 25C, Pulse Width = 1 ms PPK 600 W DC Power Dissipation @ TL = 75C Measured Zero Lead Length (Note 2) PD 3.0 W 40 mW/C 25 C/W (for Uni-directional) , 11 to 91 V (for Bi-directional) Derate Above 75C Thermal Resistance from Junction-to- Lead * Standard Zener Breakdown Voltage Range - 6.8 to 200 V RJL * Peak Power - 600 W @ 1 ms * ESD Rating of Class 3 (> 16 kV) per Human Body Model * Maximum Clamp Voltage @ Peak Pulse Current * Low Leakage < 5 A Above 10 V * UL 497B for Isolated Loop Circuit Protection DC Power Dissipation (Note 3) @ TA = 25C Derate Above 25C Thermal Resistance from Junction-to- Ambient PD R0JA 0.55 W 4.4 mW/C 226 C/W * Response Time is Typically < 1 ns * Pb-free means 2nd level interconnect is Pb-free and the terminal finish material is tin(Sn) (IPC/JEDEC J-STD-609A.01) Forward Surge Current (Note 4) @ TA = 25C IFSM 100 A * SZ Prefix for Automotive and Other Applications Requiring Unique Site and Control Change Requirements; AEC-Q101 Qualified and PPAP Capable Operating and Storage Temperature Range TJ, Tstg -65 to +150 C Additional Information Stresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionality should not be assumed, damage may occur and reliability may be affected. 1. 10 X 1000 s, non-repetitive. 2. 1" square copper pad, FR-4 board. Datasheet Resources Samples 3. FR-4 board, using Littelfuse minimum recommended footprint, as shown in 403A-03 case outline dimensions spec. 4. 1/2 sine wave (or equivalent square wave), PW = 8.3 ms, duty cycle = 4 pulses per minute maximum. For Unidirectonal only. (c) 2017 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 10/13/17 TVS Diodes Surface Mount > 600W > SZP6SMB Series Functional Diagram I-V Curve Characteristics (TA = 25C unless otherwise noted, VF = 3.5 V Max. @ IF (Note 5) = 30 A) For Unidirectional Symbol I V Uni Directional TVS Parameter IPP Maximum Reverse Peak Pulse Current VC Clamping Voltage @ IPP VRWM Working Peak Reverse Voltage IR Maximum Reverse Leakage Current @ VRWM VBR Breakdown Voltage @ IT IT Test Current IF Maximum Temperature Coefficient of VBR VF Forward Voltage @ IF 5. 1/2 sine wave (or equivalent square wave), PW = 8.3 ms, non-repetitive duty cycle. I-V Curve Characteristics (T A = 25C unless otherwise noted) - For Bidirectional Symbol IPP IT VC VBR VRWM IR IR VRWM VBR VC IT IPP Parameter IPP Maximum Reverse Peak Pulse Current VC Clamping Voltage @ IPP VRWM Working Peak Reverse Voltage IR Maximum Reverse Leakage Current @ VRWM VBR Breakdown Voltage @ IT IT Test Current IF Maximum Temperature Coefficient of VBR VF Forward Voltage @ IF VF Forward Voltage @ IF (c) 2017 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 10/13/17 TVS Diodes Surface Mount > 600W > SZP6SMB Series Electrical Characteristics - For Unidirectional VC @ IPP Breakdown Voltage Device* Device Marking V RWM (Note 6) IR @ VRWM Volts A MIN NOM VBR @ IT (V) (Note 7) (Note 8) VBR C Typ. @ IT VC IPP MAX mA Volts Amps %/C pF (Note 9) SZP6SMB6.8AT3G 6V8A 5.8 1000 6.45 6.8 7.14 10 10.5 57 0.057 2380 SZP6SMB7.5AT3G 7V5A 6.4 500 7.13 7.51 7.88 10 11.3 53 0.061 2180 SZP6SMB8.2AT3G 8V2A 7.02 200 7.79 8.2 8.61 10 12.1 50 0.065 2015 SZP6SMB9.1AT3G 9V1A 7.78 50 8.65 9.1 9.55 1 13.4 45 0.068 1835 SZP6SMB10AT3G 10A 8.55 10 9.5 10 10.5 1 14.5 41 0.073 1690 SZP6SMB12AT3G 12A 10.2 5 11.4 12 12.6 1 16.7 36 0.078 1435 SZP6SMB13AT3G 13A 11.1 5 12.4 13.05 13.7 1 18.2 33 0.081 1335 SZP6SMB15AT3G 15A 12.8 5 14.3 15.05 15.8 1 21.2 28 0.084 1175 SZP6SMB16AT3G 16A 13.6 5 15.2 16 16.8 1 22.5 27 0.086 1110 SZP6SMB18AT3G 18A 15.3 5 17.1 18 18.9 1 25.2 24 0.088 1000 SZP6SMB20AT3G 20A 17.1 5 19 20 21 1 27.7 22 0.09 910 SZP6SMB22AT3G 22A 18.8 5 20.9 22 23.1 1 30.6 20 0.092 835 SZP6SMB24AT3G 24A 20.5 5 22.8 24 25.2 1 33.2 18 0.094 775 SZP6SMB27AT3G 27A 23.1 5 25.7 27.05 28.4 1 37.5 16 0.096 700 SZP6SMB30AT3G 30A 25.6 5 28.5 30 31.5 1 41.4 14.4 0.097 635 SZP6SMB33AT3G 33A 28.2 5 31.4 33.05 34.7 1 45.7 13.2 0.098 585 SZP6SMB36AT3G 36A 30.8 5 34.2 36 37.8 1 49.9 12 0.099 540 SZP6SMB39AT3G 39A 33.3 5 37.1 39.05 41 1 53.9 11.2 0.1 500 SZP6SMB43AT3G 43A 36.8 5 40.9 43.05 45.2 1 59.3 10.1 0.101 460 SZP6SMB47AT3G 47A 40.2 5 44.7 47.05 49.4 1 64.8 9.3 0.101 425 SZP6SMB51AT3G 51A 43.6 5 48.5 51.05 53.6 1 70.1 8.6 0.102 395 SZP6SMB56AT3G 56A 47.8 5 53.2 56 58.8 1 77 7.8 0.103 365 SZP6SMB62AT3G 62A 53 5 58.9 62 65.1 1 85 7.1 0.104 335 SZP6SMB68AT3G 68A 58.1 5 64.6 68 71.4 1 92 6.5 0.104 305 SZP6SMB75AT3G 75A 64.1 5 71.3 75.05 78.8 1 103 5.8 0.105 280 SZP6SMB91AT3G 91A 77.8 5 86.5 91 95.5 1 125 4.8 0.106 235 SZP6SMB100AT3G 100A 85.5 5 95 100 105 1 137 4.4 0.106 215 SZP6SMB120AT3G 120A 102 5 114 120 126 1 165 3.6 0.107 185 SZP6SMB130AT3G 130A 111 5 124 130.5 137 1 179 3.3 0.107 170 SZP6SMB150AT3G 150A 128 5 143 150.5 158 1 207 2.9 0.108 150 SZP6SMB160AT3G 160A 136 5 152 160 168 1 219 2.7 0.108 140 SZP6SMB180AT3G 180A 154 5 171 180 189 1 246 2.4 0.108 130 SZP6SMB200AT3G 200A 171 5 190 200 210 1 274 2.2 0.108 115 6. A transient suppressor is normally selected according to the working peak reverse voltage (VRWM), which should be equal to or greater than the DC or continuous peak operating voltage level. 7. VBR measured at pulse test current IT at an ambient temperature of 25C. 8. Surge current waveform per Figure 2 and derate per Figure 3. 9. Bias Voltage = 0 V, F = 1 MHz, TJ = 25C (c) 2017 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 10/13/17 TVS Diodes Surface Mount > 600W > SZP6SMB Series Electrical Characteristics - For Bidirectional VC @ IPP Breakdown Voltage Device* Device Marking V RWM (Note 6) IR @ VRWM Volts A MIN NOM VBR @ IT (V) (Note 7) (Note 8) VBR C Typ. @ IT VC IPP MAX mA Volts Amps %/C pF (Note 9) SZP6SMB11CAT3G 11C 9.4 5 10.5 11.05 11.6 1 15.6 38 0.075 865 SZP6SMB12CAT3G 12C 10.2 5 11.4 12 12.6 1 16.7 36 0.078 800 SZP6SMB15CAT3G 15C 12.8 5 14.3 15.05 15.8 1 21.2 28 0.084 645 SZP6SMB16CAT3G 16C 13.6 5 15.2 16 16.8 1 22.5 27 0.086 610 SZP6SMB18CAT3G 18C 15.3 5 17.1 18 18.9 1 25.2 24 0.088 545 SZP6SMB20CAT3G 20C 17.1 5 19 20 21 1 27.7 22 0.09 490 SZP6SMB22CAT3G 22C 18.8 5 20.9 22 23.1 1 30.6 20 0.09 450 SZP6SMB24CAT3G 24C 20.5 5 22.8 24 25.2 1 33.2 18 0.094 415 SZP6SMB27CAT3G 27C 23.1 5 25.7 27.05 28.4 1 37.5 16 0.096 370 SZP6SMB30CAT3G 30C 25.6 5 28.5 30 31.5 1 41.4 14.4 0.097 335 SZP6SMB33CAT3G 33C 28.2 5 31.4 33.05 34.7 1 45.7 13.2 0.098 305 SZP6SMB36CAT3G 36C 30.8 5 34.2 36 37.8 1 49.9 12 0.099 280 SZP6SMB39CAT3G 39C 33.3 5 37.1 39.05 41 1 53.9 11.2 0.1 260 SZP6SMB43CAT3G 43C 36.8 5 40.9 43.05 45.2 1 59.3 10.1 0.101 240 SZP6SMB47CAT3G 47C 40.2 5 44.7 47.05 49.4 1 64.8 9.3 0.101 220 SZP6SMB51CAT3G 51C 43.6 5 48.5 51.05 53.6 1 70.1 8.6 0.102 205 SZP6SMB56CAT3G 56C 47.8 5 53.2 56 58.8 1 77 7.8 0.103 185 SZP6SMB62CAT3G 62C 53 5 58.9 62 65.1 1 85 7.1 0.104 170 SZP6SMB68CAT3G 68C 58.1 5 64.6 68 71.4 1 92 6.5 0.104 155 SZP6SMB82CAT3G 82C 70.1 5 77.9 82 86.1 1 113 5.3 0.105 130 6. A transient suppressor is normally selected according to the working peak reverse voltage (VRWM), which should be equal to or greater than the DC or continuous peak operating voltage level. 7. VBR measured at pulse test current IT at an ambient temperature of 25C. 8. Surge current waveform per Figure 2 and derate per Figure 3 of the General Data - 600 Watt at the beginning of this group. 9. Bias Voltage = 0 V, F = 1 MHz, TJ = 25C (c) 2017 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 10/13/17 TVS Diodes Surface Mount > 600W > SZP6SMB Series Ratings and Characteristic Curves - For Unidirectional Figure 1. Pulse Rating Curve Figure 2. Pulse Waveform Figure 3 - Pulse Derating Curve Figure 4. Typical Junction Capacitance vs. Bias Voltage SZP6SMB6.8AT3G SZP6SMB18AT3G SZP6SMB51AT3G SZP6SMB200AT3G Figure 5. Typical Protection Circuit in in (c) 2017 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 10/13/17 TVS Diodes Surface Mount > 600W > SZP6SMB Series Ratings and Characteristic Curves - For Bidirectional Figure 6. Pulse Rating Curve Figure 7. Pulse Waveform 100 NONREPETITIVE PULSE WAVEFORM SHOWN IN FIGURE 2 PULSE WIDTH (tP) IS DEFINED AS THAT POINT WHERE THE PEAK CURRENT DECAYS TO 50% OF IPP. t 10 s 100 PEAK VALUE - IPP VALUE (%) 10 I HALF VALUE - PP 2 50 1 tP 0.1 0.1 s1 s1 0 s 0 100 s 1 ms 10 ms 01 23 4 5 t Figure 8. Pulse Derating Curve Figure 9. Typical Junction Capacitance vs. Bias Voltage PEAK PULSE DERATING IN % OF PEAK POWER OR CURRENT @ TA = 25 C 160 1000 140 120 100 100 80 60 10 40 20 0 1 02 55 07 51 00 125 150 1 10 Figure 10. Typical Protection Circuit in in (c) 2017 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 10/13/17 10 TVS Diodes Surface Mount > 600W > SZP6SMB Series Dimensions Soldering Footrpint HE 2.261 E bD D POLARITY INDICATOR OPTIONAL AS NEEDED (SEE STYLES) A Dim A1 c L Inches Millimeters ORDERING INFORMATION Min Nom Max Min Nom Max A 0.077 0.091 0.097 1.95 2.30 2.47 A1 0.002 0.004 0.008 0.05 0.10 0.20 b 0.077 0.080 0.087 1.96 2.03 2.20 c 0.006 0.009 0.012 0.15 0.23 0.31 D 0.130 0.140 0.156 3.30 3.56 3.95 E 0.160 0.170 0.181 4.06 4.32 4.60 HE 0.205 0.214 0.220 5.21 5.44 5.60 L 0.030 0.040 0.063 0.76 1.02 1.60 L1 0.020 REF 0.51 REF NOTES: Device Package Shipping SZP6SMBxxxAT3G SMB (Pb-Free) 2,500 / Tape & Reel SZP6SMBxxxCAT3G SMB (Pb-Free) 2,500 / Tape & Reel Flow/Wave Soldering (Solder Dipping) Peak Temperature : 260OC Dipping Time : 10 seconds 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH. 3. D DIMENSION SHALL BE MEASURED WITHIN DIMENSION P. Part Marking System Unidirectional Physical Specifications Case Void-free, transfer-molded, thermosetting plastic Polarity Cathode indicated by polarity band Mounting Position Any Finish All external surfaces are corrosion resistant and leads are readily solderable Leads Modified L-Bend providing more contact area to bond pads Bidirectional 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. (c) 2017 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 10/13/17