SZ1SMA75AT3G

TVS Diodes Surface Mount > 400W > SZ1SMA Series SZ1SMA Series RoHS Pb e3 Description The SZ1SMA 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 SZ1SMA 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 and consumer applications. Bi-directional Uni-directional Features • Zener Transient Overvoltage Suppressors • Working Peak Reverse Voltage Range −5V to 170V for uni-directional and 10 V to 78 V for bidirectional Agency Approvals Agency Agency File Number E128662 Parameter Peak Power Dissipation (Note 1) @ TL = 25°C, Pulse Width = 1 ms DC Power Dissipation @ TL = 75°C Measured Zero Lead Length (Note 2) Derate Above 75°C Thermal Resistance from Junction−to−Lead Symbol Value Unit PPK 400 W PD 1.5 20 50 W mW/°C °C/W W mW/°C °C/W RƟJL PD • Low Profile Package • Standard Zener Breakdown Voltage Range −11.1 V to 95.83 V for bidirectional, 6.4 V to 209 V for uni-directional Maximum Ratings and Thermal Characteristics DC Power Dissipation (Note 3) @ TA = 25°C Derate Above 25°C Thermal Resistance from Junction–to– Ambient RƟJA 0.5 4.0 250 Forward Surge Current (Note 4) @ TA = 25°C (for uni-directional) IFSM 40 A Operating and Storage Temperature Range TJ Tstg -65 to +150 °C 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 µs, non−repetitive. 2. 1” square copper pad, FR−4 board. 3. FR−4 board, using Littelfuse minimum recommended footprint 4. 1/2 sine wave (or equivalent square wave), PW = 8.3 ms, duty cycle = 4 pulses per minute maximum. (for unidirectional) • Package Design for Top Slide or Bottom Circuit Board Mounting • Peak Power − 400 W @ 1 ms • ESD Rating of Class 3 (> 16 kV) per Human Body Model • Response Time is Typically < 1 ns • Flat Handling Surface for Accurate Placement • Pb-free means 2nd level interconnect is Pb-free and the terminal finish material is tin(Sn) (IPC/ JEDEC J-STD-609A.01) • SZ Prefix for Automotive and Other Applications Requiring Unique Site and Control Change Requirements; AEC− Q101 Qualified and PPAP Capable • Recognized to UL 497B as an Isolated Loop Circuit Protector • RoHS-compliant and halogin-free Additional Information Datasheet Resources Samples Functional Diagram Bi-directional Cathode Anode Uni-directional © 2020 Littelfuse, Inc. Specifications are subject to change without notice. Revised: GD. 12/18/20 TVS Diodes Surface Mount > 400W > SZ1SMA Series I-V Curve Characteristics (T A = 25°C unless otherwise noted) – For Bi-directional Symbol IPP IPP Maximum Reverse Peak Pulse Current VC Clamping Voltage @ IPP VRWM IR IT VC VBR VRWM IR VBR IR VRWM VBR VC IT Parameter IT Working Peak Reverse Voltage Maximum Reverse Leakage Current @ VRWM Breakdown Voltage @ IT Test Current IPP For Bi-directional I-V Curve Characteristics (T A = 25°C unless otherwise noted, VF = 3.5 V Max. @ IF = 30 A for all types) (Note 5) – For Uni-directional Symbol I IPP Maximum Reverse Peak Pulse Current VC Clamping Voltage @ IPP VRWM IR V Parameter VBR Working Peak Reverse Voltage Maximum Reverse Leakage Current @ VRWM Breakdown Voltage @ IT IT Test Current IF Forward Current VF Forward Voltage @ IF 5. 1/2 sine wave or equivalent, PW = 8.3 ms, non−repetitive duty cycle. For Uni-directional © 2020 Littelfuse, Inc. Specifications are subject to change without notice. Revised: GD. 12/18/20 TVS Diodes Surface Mount > 400W > SZ1SMA Series Electrical Characteristics – For Uni-directional Device Device Marking Breakdown Voltage VRWMNote 6 IR @ VRWM Volts µA MIN NOM VBR @ IT (V)Note 7 VC @ IPPNote 8 C Typ.Note 9 @ IT VC IPP MAX mA Volts Amps pF Agency Approval SZ1SMA5.0AT3G QE 5.0 400 6.40 6.70 7.00 10 9.2 43.5 2035 X SZ1SMA6.0AT3G QG 6.0 400 6.67 7.02 7.37 10 10.3 38.8 1730 X SZ1SMA6.5AT3G QK 6.5 250 7.22 7.60 7.98 10 11.2 35.7 1605 X SZ1SMA8.0AT3G QR 8.0 25 8.89 9.36 9.83 1 13.6 29.4 1035 X SZ1SMA8.5AT3G QT 8.5 5.0 9.44 9.92 10.40 1 14.4 27.8 1265 X SZ1SMA9.0AT3G QV 9.0 2.5 10.00 10.55 11.10 1 15.4 26.0 1200 X SZ1SMA10AT3G QX 10 2.5 11.10 11.70 12.30 1 17.0 23.5 1090 X SZ1SMA11AT3G QZ 11 2.5 12.20 12.85 13.50 1 18.2 22.0 1000 X SZ1SMA12AT3G RE 12 2.5 13.30 14.00 14.70 1 19.9 20.1 925 X SZ1SMA13AT3G RG 13 2.5 14.40 15.15 15.90 1 21.5 18.6 860 X SZ1SMA14AT3G RH 14 2.5 15.60 16.40 17.20 1 23.2 17.2 800 X SZ1SMA15AT3G RM 15 2.5 16.70 17.60 18.50 1 24.4 16.4 758 X SZ1SMA16AT3G RP 16 2.5 17.80 18.75 19.70 1 26.0 15.4 715 X SZ1SMA17AT3G RR 17 2.5 18.90 19.90 20.90 1 27.6 14.5 680 X SZ1SMA18AT3G RT 18 2.5 20.00 21.05 22.10 1 29.2 13.7 645 X SZ1SMA20AT3G RV 20 2.5 22.20 23.35 24.50 1 32.4 12.3 585 X SZ1SMA22AT3G RX 22 2.5 24.40 25.65 26.90 1 35.5 11.3 540 X SZ1SMA24AT3G RZ 24 2.5 26.70 28.10 29.50 1 38.9 10.3 500 X SZ1SMA26AT3G SE 26 2.5 28.90 30.40 31.90 1 42.1 9.5 460 X SZ1SMA28AT3G SG 28 2.5 31.10 32.75 34.40 1 45.4 8.8 430 X SZ1SMA30AT3G SK 30 1.0 33.30 35.05 36.80 1 48.4 8.3 405 X SZ1SMA33AT3G SM 33 2.5 36.70 38.65 40.60 1 53.3 7.5 375 X SZ1SMA36AT3G SP 36 2.5 40.00 42.10 44.20 1 58.1 6.9 345 X SZ1SMA40AT3G SR 40 2.5 44.40 46.75 49.10 1 64.5 6.2 315 X SZ1SMA43AT3G ST 43 2.5 47.80 50.30 52.80 1 69.4 5.8 295 X SZ1SMA45AT3G SV 45 2.5 50.00 52.65 55.30 1 72.2 5.5 280 X SZ1SMA48AT3G SX 48 2.5 53.30 56.10 58.90 1 77.4 5.2 265 X SZ1SMA51AT3G SZ 51 2.5 56.70 59.70 62.70 1 82.4 4.9 252 - SZ1SMA54AT3G TE 54 2.5 60.00 63.15 66.30 1 87.1 4.6 240 X SZ1SMA58AT3G TG 58 2.5 64.40 67.80 71.50 1 93.6 4.3 225 X SZ1SMA60AT3G TK 60 2.5 66.70 70.20 73.72 1 96.8 4.1 219 - SZ1SMA70AT3G TP 70 2.5 77.80 81.90 86.00 1 113.0 3.5 190 X SZ1SMA75AT3G TR 75 2,5 83.3 87.7 92.1 1 121.0 3.3 180 - SZ1SMA78AT3G TT 78 2,5 86.7 91.25 95.8 1 126.0 3.2 178 - SZ1SMA85AT3G TV 85 2,5 94.4 99.2 104 1 137.0 2.9 173 - SZ1SMA90AT3G TX 90 2,5 100 105.5 111 1 146.0 2.8 169 - SZ1SMA100AT3G TZ 100 2,5 111 117 123 1 162,0 2.5 162 - SZ1SMA110AT3G VE 110 2,5 122 128.5 135 1 177.0 2.3 155 - SZ1SMA120AT3G VG 120 2,5 133 140 147 1 193.0 2.1 148 - SZ1SMA130AT3G VK 130 2,5 144 151.5 159 1 209.0 1.9 142 - SZ1SMA150AT3G VM 150 2,5 167 176 185 1 243.0 1.7 127 - SZ1SMA160AT3G VP 160 2,5 178 187.5 197 1 259.0 1.6 119 - SZ1SMA170AT3G VR 170 2,5 189 199 209 1 275.0 1.5 112 - © 2020 Littelfuse, Inc. Specifications are subject to change without notice. Revised: GD. 12/18/20 TVS Diodes Surface Mount > 400W > SZ1SMA Series Electrical Characteristics - For Bi-directional Device Device Marking VRWMNote 6 IR @ VRWM Volts µA Breakdown Voltage VBR @ IT (V)Note 7 MIN VC @ IPPNote 8 @ IT VC IPP Volts Amps NOM MAX mA Agency Approval SZ1SMA10CAT3G QXC 10 2.5 11.10 11.69 12.27 1 17.0 23.5 X SZ1SMA12CAT3G REC 12 2.5 13.30 14.00 14.70 1 19.9 20.1 X SZ1SMA13CAT3G RGC 13 2.5 14.40 15.16 15.92 1 21.5 18.6 X SZ1SMA15CAT3G RMC 15 2.5 16.70 17.58 18.46 1 24.4 16.4 X SZ1SMA16CAT3G RPC 16 2.5 17.80 18.74 19.67 1 26.0 15.4 X SZ1SMA18CAT3G RTC 18 2.5 20.00 21.06 22.11 1 29.2 13.7 X SZ1SMA20CAT3G RVC 20 2.5 22.20 23.37 24.54 1 32.4 12.3 X SZ1SMA22CAT3G RXC 22 2.5 24.4 25.65 26.90 1 35.5 11.3 - SZ1SMA24CAT3G RZC 24 2.5 26.70 28.11 29.51 1 38.9 10.3 X SZ1SMA26CAT3G SEC 26 2.5 28.90 30.42 31.94 1 42.1 9.5 X SZ1SMA28CAT3G SGC 28 2.5 31.10 32.74 34.37 1 45.4 8.8 X SZ1SMA30CAT3G SKC 30 2.5 33.30 35.06 36.81 1 48.4 8.3 X SZ1SMA33CAT3G SMC 33 2.5 36.70 38.63 40.56 1 53.3 7.5 X SZ1SMA36CAT3G SPC 36 2.5 40.00 42.11 44.21 1 58.1 6.9 X SZ1SMA40CAT3G SRC 40 2.5 44.40 46.74 49.07 1 64.5 6.2 X SZ1SMA43CAT3G STC 43 2.5 47.80 50.30 52.80 1 69.4 5.8 - SZ1SMA45CAT3G SVC 45 2.5 50.00 52.65 55.30 1 72.2 5.5 - SZ1SMA48CAT3G SXC 48 2.5 53.30 56.11 58.91 1 77.4 5.2 X SZ1SMA58CAT3G TGC 58 2.5 64.40 67.79 71.18 1 93.6 4.3 X SZ1SMA60CAT3G TKC 60 2.5 66.70 70.21 73.72 1 96.8 4.1 X SZ1SMA70CAT3G TPC 70 2.5 77.80 81.90 85.99 1 113.0 3.5 X SZ1SMA78CAT3G TTC 78 2.5 86.70 91.27 95.83 1 126.0 3.2 X 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 25°C 8. Surge current waveform per Figure 2 and derate per Figure 3 9. Bias voltage = 0 V, F = 1.0 MHz, TJ = 25°C. © 2020 Littelfuse, Inc. Specifications are subject to change without notice. Revised: GD. 12/18/20 TVS Diodes Surface Mount > 400W > SZ1SMA Series Ratings and Characteristic Curves Figure 1. Pulse Rating Curve Figure 2. Pulse Waveform 120 100000 IPPM, Peak Pulse Current (%) 10000 Ppk, Peak Power (W) = 10µs NONREPETITIVE PULSE WAVEFORM SHOWN IN FIGURE 2. TA=25˚C 1000 100 10 0.0001 0.001 0.01 0.1 1 100 Peak Value IPPM 80 60 Half Value - IPP/2 40 10/1000 µs Waveform as defined by R.E.A. 20 td 0 10 0 1 tp,Pulse Width (ms) 2 3 4 5 t, Time (ms) Figure 3 - Surge Derating Curve Figure 4. Typical Junction Capacitance vs. Bias Voltage 1,000 120 SZ1SMA10CAT3G 10*1000 WAVEFORM 100 SZ1SMA18CAT3G 80 C, CAPACITANCE (pF) Peak Pulse Derating In % Of Peak Current TA= 25°C PW (ID) is defined as the point where the peak current decays to 50% of IPP SZ1SMA170AT3G 60 40 20 100 SZ1SMA48CAT3G SZ1SMA78CAT3G 10 TJ= 25°C 0 0 40 80 120 F = 1 MHz 160 T A AMBIENT TEMPERATURE(˚C) 1 1 10 100 BIAS VOLTAGE (VOLTS) 10000 Tj= 25˚C F=1MHz Capacitance(pF) 1000 SZ1SMA70AT3G SZ1SMA85AT3G 100 SZ1SMA170AT3G 10 1 1 10 BIAS VOLTAGE(VOLTS) 100 Figure 6. Steady State Power Derating PD, MAXIMUM POWER DISSI PATION (WATTS) Figure 5. Typical Junction Capacitance vs. Bias Voltage 6 5 4 @ TL = 75°C PD = 1.5 W 3 2 @ TA = 25°C PD = 0.5 W 1 0 0 25 50 100 75 T, TEMPERATURE (°C) 125 150 © 2020 Littelfuse, Inc. Specifications are subject to change without notice. Revised: GD. 12/18/20 TVS Diodes Surface Mount > 400W > SZ1SMA 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 – 120 secs 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) (tL) 60 – 150 seconds Peak Temperature (TP) 260 Time within 5°C of actual peak Temperature (tp) 30 seconds max Ramp-down Rate 6°C/second max Time 25°C to peak Temperature (TP) 8 minutes max. Do not exceed 260°C +0/-5 Critical Zone TL to TP tL Ts(max) Ramp-down Ts(min) ts Preheat 25˚C t 25˚C to Peak Time (t) Environmental Specifications Polarity 0.00246 ounce, 0.0767 grams JEDEC DO214AC. Void-Free, Transfer-Molded, Thermosetting Plastic Epoxy Meets UL 94V-0 Color band denotes cathode for unidirectional components. Terminal Matte Tin-plated leads, Solderable per JESD22-B102 Case Ramp-up TL °C Physical Specifications Weight tp TP Temperature (T) Reflow Condition Soldering Footprint High Temp. Storage JESD22-A103 HTRB JESD22-A108 Temperature Cycling JESD22-A104 MSL JEDEC-J-STD-020, Level 1 H3TRB JESD22-A101 RSH JESD22-A111 Dimensions HE 4.000 0.157 E bD D 2.000 0.079 The cathode indicator is for uni- devices only 2.000 0.079 A SCALE 8:1 mm inches A1 c L Ordering Information Device** Package Shipping Dim SZ1SMAxxAT3G SMA (Pb−Free) 5,000 / Tape & Reel SZ1SMAxxCAT3G SMA (Pb−Free) 5,000 / Tape & Reel **The “T3” suffix refers to a 13 inch reel Inches Millimeters Min Nom Max Min Nom Max A 0.078 0.083 0.087 1.97 2.10 2.20 A1 0.002 0.004 0.008 0.05 0.10 0.20 b 0.050 0.057 0.064 1.27 1.45 1.63 c 0.006 0.011 0.016 0.15 0.28 0.41 D 0.090 0.103 0.115 2.29 2.60 2.92 E 0.160 0.170 0.180 4.06 4.32 4.57 HE 0.190 0.205 0.220 4.83 5.21 5.59 L 0.030 0.045 0.060 0.76 1.14 1.52 © 2020 Littelfuse, Inc. Specifications are subject to change without notice. Revised: GD. 12/18/20 TVS Diodes Surface Mount > 400W > SZ1SMA Series Part Marking System 1 Cathode Part Numbering System XXXX YMAWW SZ 2 Anode 1SMA xx CA T3 G Pb Free Plating Tape/Reel Designator XXXX =Device Code (max four digits) Y =Year M =Month A =Assembly Location WW =Lot Code Type Code CA Bi-Directional TVS A Uni Directional TVS SMA TVS VR VOLTAGE Zener Automotive Tape and Reel Specification 0.157 (4.0) Cathode mark for uni-directional components 0.47 (12.0) 0.315 (8.0) 0.061 DIA (1.55) Cover tape 13.0 (330) 0.80 (20.2) Arbor Hole Dia. 0.52 (13.3) Dimensions are in inches (and millimeters). Direction of Feed 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: GD. 12/18/20