SZ1SMB40CAT3G ON Semiconductor

TVS Diode Datasheet SZ1SMB Series Surface Mount RoHS Pb e3 Description The SZ1SMB series is designed to protect voltage sensitive Bi-directional components from high voltage, high energy transients. They have excellent clamping and high surge capability, as well as fast response time. The SZ1SMB 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. Uni-directional Features & Benefits Zener Transient Over volt age Low Leakage < 5.0 A Above Suppressors 10 V Additional Information W orking Peak Reverse Intended f or UL 497B Type Voltage Range 5.0 V to 170 Protection V for uni-directional, and 10 V Response Time is Typically < to 75 V for 1.0 ns bi-directional Pb-free means 2nd level Standard Avalanche interconnect is Pb-free and Breakdown Voltage Range the terminal finish material is Resources Accessories Samples 6.4 V to 209 V for uni- tin(Sn) (IPC/JEDEC J-STD- directional, 11.1 V to 92.07 V 609A.01) for bi-directional SZ Prefix for Automotive and Peak Power 600 W 1.0 Other Applications Requiring ms Unique Site and Control Agency Approvals ESD Rating of Class 3 (> 16 Change Requirements AEC kV) per Human Body Model Q101 Qualified and PPAP Agency Agency File Number Capable Maximum Clamp Voltage E128662 Peak Pulse Current Maximum Ratings and Thermal Characteristics Functional Diagram Parameter Symbol Value Unit Peak Power Dissipation (Note 1) T = L P 600 W PK 25C, Pulse Width = 1 ms DC Power Dissipation TL = 75C 3.0 W Bi-directional (Note 2) Measured Zero Lead Length P D 40 mW/C Derate Above 75C R JL 25 C/W Thermal Resistance from JunctiontoLead Cathode Anode (Note 3) DC Power Dissipation TA = 25C 0.55 W Derate Above 25C P D Uni-directional 4.4 mW/C Thermal Resistance from Junctionto R JA 226 C/W Ambient Forward Surge Current (Note 4) T = 25C I 100 A A FSM T -65 to J Operating and Storage Temperature Range C T +150 stg Stresses exceeding those listed in the Maximum Ratings table may damage the componant. If any of these limits are exceeded, device functionality should not be assumed, damage may occur and reliability may be affected. 1. 10/1000 s, nonrepetitive. 2. 1 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 - For Unidirectional only. 2021 Littelfuse, Inc. 1 Specifications are subject to change without notice. Revised: GD. 05/31/21TVS Diode Datasheet SZ1SMB Series Surface Mount I-V Curve Characteristics (TA = 25C unless otherwise noted, VF = 3.5 V Max. IF (Note 5) = 30 A) For Uni-directional Uni-directional Symbol Parameter 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 Vc VBR VR V IR VF I Breakdown Current T IT V Forward Voltage I F F I Forward Current F 5. 1/2 sine wave (or equivalent square wave), PW = 8.3 ms, nonrepetitive duty cycle. Ipp I-V Curve Characteristics (TA = 25C unless otherwise noted) For Bi-directional Bi-directional Symbol Parameter I Maximum Reverse Peak Pulse Current Ipp PP V Clamping Voltage I C PP V Working Peak Reverse Voltage RWM I Maximum Reverse Leakage Current V R RWM IT V Breakdown Voltage I IR BR T Vc VBR VR V IR I On-State Current VR VBR Vc T IT Ipp 2021 Littelfuse, Inc. 2 Specifications are subject to change without notice. Revised: GD. 05/31/21