TVS Diodes Surface Mount > 1500W > SZ1SMC Series Pb e3 RoHS SZ1SMC Series Description The SZ1SMC 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 SZ1SMC series is supplied in the Littelfuse exclusive, cost-effective, highly reliable DO-214AB 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 Zener Transient UL Recognized to UL Overvoltage Suppressors 497B as an Isolated Loop Circuit Protector. Working Peak Reverse Agency Approvals Voltage Range 5.0 V to Maximum Temperature Coefficient Specified 78 V Agency Agency File Number Response Time is Typically Standard Zener < 1 ns Breakdown Voltage Range E128662 6.4 V to 95.8 V PbFree Packages are Peak Power 1500 W 1 Available ms SZ Prefix for Automotive Maximum Ratings and Thermal Characteristics and Other Applications ESD Rating of Class 3 (> Requiring Unique Site Parameter Symbol Value Unit 16 KV) per Human Body and Control Change Model Peak Power Dissipation (Note 1) T = L P 1500 W PK Requirements 25C, Pulse Width = 1 ms Maximum Clamp Voltage AECQ101 Qualified and Peak Pulse Current DC Power Dissipation T = 75C L PPAP Capable Measured Zero Lead Length (Note 2) P 4.0 W Low Leakage < 5 A D Derate Above 75C 54.6 mW/C Above 10 V Thermal Resistance from Junctionto R 18.3 C/W JL Lead Functional Diagram Bi-directional DC Power Dissipation (Note 3) T = 25C P 0.75 W A D Derate Above 25C 6.1 mW/C Thermal Resistance from Junctionto R 165 C/W Cathode JA Anode Ambient Uni-directional Forward Surge Current (Note 4) T = A I 200 A FSM 25C Operating and Storage Temperature T -65 to Additional Information J C Range T +150 stg Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability. Samples Datasheet Resources 1. 10 x 1000 s, nonrepetitive. 2. 1 in square copper pad, FR4 board. 3. FR4 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. 2021 Littelfuse, Inc. Specifications are subject to change without notice. Revised: GD. 01/08/21TVS Diodes Surface Mount > 1500W > SZ1SMC Series I-V Curve Characteristics (T = 25C unless otherwise noted, V = 3.5 V Max I = 100 A) (Note 5) A F F I Symbol Parameter For Uni-directional I Maximum Reverse Peak Pulse Current PP V Clamping Voltage I C PP V Working Peak Reverse Voltage RWM I Maximum Reverse Leakage Current V R RWM V Breakdown Voltage I BR T V I Test Current T I Forward Current F V Forward Voltage I F F 5. 1/2 sine wave or equivalent, PW= 8.3 ms non-repetitive duty cycle Electrical Characteristics (TA = 25C unless otherwise noted) V I C PP Breakdown Voltage I (Note 8) R V RWM Device (Note 6) V (V) Device V BR Marking RWM I V I (Note 7) T C PP Volts A Min Nom Max mA Volts Amps SZ1SMC5.0AT3G GDE 5.0 1000 6.40 6.70 7.00 10 9.2 163.0 SZ1SMC6.0AT3G GDG 6.0 1000 6.67 7.02 7.37 10 10.3 145.6 SZ1SMC6.5AT3G GDK 6.5 500 7.22 7.60 7.98 10 11.2 133.9 SZ1SMC7.5AT3G GDP 7.5 100 8.33 8.77 9.21 1 12.9 116.3 SZ1SMC8.0AT3G GDR 8.0 50 8.89 9.36 9.83 1 13.6 110.3 SZ1SMC9.0AT3G GDV 9.0 10 10.00 10.55 11.10 1 15.4 97.4 SZ1SMC10AT3G GDX 10 5 11.10 11.70 12.30 1 17.0 88.2 SZ1SMC12AT3G GEE 12 5 13.30 14.00 14.70 1 19.9 75.3 SZ1SMC13AT3G GEG 13 5 14.40 15.15 15.90 1 21.5 69.7 SZ1SMC14AT3G GEK 14 5 15.60 16.40 17.20 1 23.2 64.7 SZ1SMC15AT3G GEM 15 5 16.70 17.60 18.50 1 24.4 61.5 SZ1SMC16AT3G GEP 16 5 17.80 18.75 19.70 1 26.0 57.7 SZ1SMC17AT3G GER 17 5 18.90 19.90 20.90 1 27.6 53.3 SZ1SMC18AT3G GET 18 5 20.00 21.05 22.10 1 29.2 51.4 SZ1SMC20AT3G GEV 20 5 22.20 23.35 24.50 1 32.4 46.3 SZ1SMC22AT3G GEX 22 5 24.40 25.65 26.90 1 35.5 42.2 SZ1SMC24AT3G GEZ 24 5 26.70 28.10 29.50 1 38.9 38.6 SZ1SMC26AT3G GFE 26 5 28.90 30.40 31.90 1 42.1 35.6 SZ1SMC28AT3G GFG 28 5 31.10 32.75 34.40 1 45.4 33.0 SZ1SMC30AT3G GFK 30 5 33.30 35.05 36.80 1 48.4 31.0 SZ1SMC33AT3G GFM 33 5 36.70 38.65 40.60 1 53.3 28.1 SZ1SMC36AT3G GFP 36 5 40.00 42.10 44.20 1 58.1 25.8 SZ1SMC40AT3G GFR 40 5 44.40 46.75 49.10 1 64.5 32.2 SZ1SMC43AT3G GFT 43 5 47.80 50.30 52.80 1 69.4 21.6 SZ1SMC48AT3G GFX 48 5 53.30 56.10 58.90 1 77.4 19.4 SZ1SMC51AT3G GFZ 51 5 56.70 59.70 62.70 1 82.4 18.2 SZ1SMC54AT3G GGE 54 5 60.00 63.15 66.30 1 87.1 17.2 SZ1SMC58AT3G GGG 58 5 64.40 67.80 71.20 1 93.6 16.0 SZ1SMC60AT3G GGK 60 5 66.70 70.20 73.70 1 96.8 15.5 SZ1SMC64AT3G GGM 64 5 71.10 74.85 78.60 1 103.0 14.6 SZ1SMC70AT3G GGP 70 5 77.80 81.90 86.00 1 113.0 13.3 SZ1SMC75AT3G GGR 75 5 83.30 87.70 92.10 1 121.0 12.4 SZ1SMC78AT3G GGT 78 5 86.70 91.25 95.80 1 126.0 11.4 6. A transient suppressor is normally selected according to the maximum working peak reverse voltage (V ), which should be equal to or greater than RWM the DC or continuous peak operating voltage level. 7. V measured at pulse test current I at an ambient temperature of 25C. BR T 8. Surge current waveform per Figure 2 and derate per Figure 3 of the General Data 1500 Watt at the beginning of this group. 2021 Littelfuse, Inc. Specifications are subject to change without notice. Revised: GD. 01/08/21