SMF3.3 Littelfuse

TVS Diodes Surface Mount 200W > SMF3.3 Series Pb e3 RoHS SMF3.3 Description SMF3.3 is designed specifically to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. Features 200W peak pulse power ESD protection of data capability at 10/1000s lines in accordance with Uni-directional waveform, repetition rate IEC 61000-4-2 (duty cycle): 0.01% EFT protection of data 1200W peak pulse power lines in accordance with Agency Approvals capability at 8/20us IEC 61000-4-4 waveform Fast response time: AGENCY AGENCY FILE NUMBER Excellent clamping typically less than 1.0ns capability from 0 Volts to V min E230531 BR Compatible with industrial High temperat ure standard package SOD- soldering: 260C/40 Maximum Ratings and Thermal Characteristics 123FL seconds at terminals O (T =25 C unless otherwise noted) Low profile: maximum Built-in strain relief A height of 1.08mm. Meet MSL le vel1, per Parameter Symbol Value Unit For surface mounted J-STD-020C, LF maximun Peak Pulse Power 8/20s 1200 W applications to optimize peak of 260C Dissipation at P PPM board space Mat te tin leadfree plated 10/1000s 200 W T =25C (Note 1) A Typical failure mode is Halogen-free and RoHS Thermal Resistance Junction- to- R 220 C/W short from over-specified compliant JA Ambient voltage or current nd Pb-free E3 means 2 level Thermal Resistance Junction- to- Lead R 100 C/W Whisk er test is conducted JL interconnect is Pb-free based on JEDEC and the terminal finish JESD201A per its table 4a Operating Temperature Range T -55 to 150 C material is tin(Sn) (IPC/ J and 4c JEDEC J-STD-609A.01) IEC-61000-4-2 ESD Storage Temperature Range T -55 to 150 C STG 30kV(Air), 30kV (Contact) Notes: 1. Non-repetitive current pulse, per Fig. 4 & 6 and derated above T (initial) =25C per Fig. 3. J Functional Diagram Applications Bi-directional SMF3.3 devices are ideal for the protection of portable devices/hard drives, notebooks, V busses, POS terminal, CC Cathode Anode SSDs, power supplies, monitors, and vulnerable circuit used in other consumer applications. Uni-directional Electrical Characteristics (T =25C unless otherwise noted) A Breakdown Maximum Maximum Maximum Maximum Test Reverse Maximum Voltage V Part Marking Peak Pulse Clamping Peak Pulse Clamping BR Current Stand off Reverse Number Code (Volts) I Current Voltage I Current Voltage I T pp pp Voltage V Leakage V I R R T (10/1000S) (10/1000S) (8/20S) (8/20S) (V) I (A) R MIN MAX (mA) I (A) V (V) I (A) V (V) pp C pp C SMF3.3 33 3.4 4.3 10 3.3 0.5 30.0 6.8 120.0 10.0 Notes: 1. V measured after I applied for 300s, I = sequare wave pulse or equivalent. BR T T 2. Surge current waveform per 10/1000s exponential wave and derated per Fig.2. 3. All terms and symbols are consistent with ANSI/IEEE C62.35. 4. Surge current waveform per 8/20s exponential wave and derated per Fig.6. 2015 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 07/28/16TVS Diodes TVS Diodes Surface Mount 200W > SMF3.3 Series I-V Curve Characteristics P Peak Pulse Power Dissipation -- Max power dissipation PPM Uni-directional V Stand-off Voltage -- Maximum voltage that can be applied to the R TVS without operation V Breakdown Voltage -- Maximum voltage that flows though the BR TVS at a specified test current (I ) T V Clamping Voltage -- Peak voltage measured across the TVS at a C specified Ippm (peak impulse current) Vc VBR VR V IR VF I Reverse Leakage Current -- Current measured at V R R IT V Forward Voltage Drop for Uni-directional F note: V distribution range from 10V to 15V F Ipp Ratings and Characteristic Curves (T =25C unless otherwise noted) A Figure 1 - TVS Transients Clamping Waveform Figure 2 - Peak Pulse Power Rating Curve Voltage Transients 10 T initial = T J amb Voltage Across TVS Current Through TVS 1 0.1 0.001 0.01 0.11 t -Pulse Width (ms) Time d Figure 3 - Peak Pulse Power Derating Curve Figure 4 - 10/1000S Pulse Waveform 100 150 t =10sec r T =25C J Pulse Width(td) is dened as the point where the peak 80 current decays to 50% of I PPM Peak Value I 100 PPM 60 Half Value I PPM I PPM ( ) 40 2 50 10/1000sec. Waveform as dened by R.E.A 20 t d 0 0 0255075 100 125 150 175 0 1.0 2.0 3.0 4.0 T - Initial Junction Temperature (C) J t-Time (ms) 2016 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 07/28/16 Voltage or Current Peak Pulse Power (P ) or Current (I ) PP PP Derating in Percentage % P -Peak Pulse Power (kW) PPM I - Peak Pulse Current, % I PPM RSM