SMAJ48

TVS Diodes Surface Mount – 400W > SMAJ series SMAJ Series RoHS Pb e3 Description The SMAJ series is designed specifically to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. Uni-directional Bi-directional Agency Approvals Agency Agency File Number E230531 Maximum Ratings and Thermal Characteristics (TA=25OC unless otherwise noted) Parameter Symbol Value Unit PPPM 400 W PPPM 600 W Power Dissipation on Infinite Heat Sink at TL=50OC PD 3.3 W Peak Forward Surge Current, 8.3ms Single Half Sine Wave (Note 3) IFSM 60 A Maximum Instantaneous Forward Voltage at 25A for Unidirectional Only (Note 4) VF 3.5/5.0 V °C Peak Pulse Power Dissipation at TA=25° by 10/1000us Waveform(Fig.2)(Note 1), (Note 2) -Single Die Parts Peak Pulse Power Dissipation at TA=25° by 10/1000us Waveform(Fig.2)(Note 1), (Note 2)-Stacked Die Parts(Note 5) TJ -65 to 150 Storage Temperature Range TSTG -65 to 175 °C Typical Thermal Resistance Junction to Lead RθJL 30 °C/W Typical Thermal Resistance Junction to Ambient RθJA 120 °C/W Operating Temperature Range Notes: 1. Non-repetitive current pulse, per Fig.4 and derated above TJ (initial) =25ºC per Fig. 3. 2. Mounted on 5.0x5.0mm copper pad to each terminal. 3. Measured on 8.3ms single half sine wave or equivalent square wave for unidirectional device only. 4. VF < 3.5V for single die parts and VF< 5.0V for stacked-die parts. 5. For stacked die component details, please refer to part numbers labeled by * in Electrical Characteristics. Functional Diagram Features •4  00W Peak pulse power capability at 10/1000µs waveform, repetition rate (duty cycle): 0.01% •E  xcellent clamping capability • Typical IR less than 1μA when VBR min>12V • For surface mounted applications to optimize board space • Low profile package • Typical failure mode is short from over-specified voltage or current • Whisker test is conducted based on JEDEC JESD201A per its table 4a and 4c • IEC-61000-4-2 ESD 30kV(Air), 30kV (Contact) • ESD protection of data lines in accordance with IEC 61000-4-2 • EFT protection of data lines in accordance with IEC 61000-4-4 • Built-in strain relief • Fast response time: typically less than 1.0ps from 0 Volts to VBR min • Glass passivated junction • Low inductance • High temperature to reflow soldering guaranteed: 260°C/30sec • VBR @ TJ= VBR@25°C x (1+αT x (TJ - 25)) (αT:Temperature Coefficient, typical value is 0.1%) • Plastic package is flammability rated V-0 per Underwriters Laboratories • Meet MSL level1, per J-STD-020, LF maximun peak of 260°C • Matte tin lead–free Plated • Halogen free and RoHS compliant • Pb-free E3 means 2nd level interconnect is Pb-free and the terminal finish material is tin(Sn) (IPC/JEDEC J-STD609A.01) Applications TVS devices are ideal for the protection of I/O Interfaces, VCC bus and other vulnerable circuits used in Telecom, Computer, Industrial and Consumer electronic applications. Additional Infomarion Bi-directional Cathode Datasheet Resources Samples Anode Uni-directional © 2020 Littelfuse, Inc. Specifications are subject to change without notice. Revised: BA.10/21/20 TVS Diodes Surface Mount – 400W > SMAJ series Electrical Characteristics (T =25°C unless otherwise noted) A Part Number (Uni) Part Number (Bi) SMAJ5.0A SMAJ6.0A SMAJ6.5A SMAJ7.0A SMAJ7.5A SMAJ8.0A SMAJ8.5A SMAJ9.0A SMAJ10A SMAJ11A SMAJ12A SMAJ13A SMAJ14A SMAJ15A SMAJ16A SMAJ17A SMAJ18A SMAJ20A SMAJ22A SMAJ24A SMAJ26A SMAJ28A SMAJ30A SMAJ33A SMAJ36A SMAJ40A SMAJ43A SMAJ45A SMAJ48A SMAJ51A SMAJ54A SMAJ58A SMAJ60A SMAJ64A SMAJ70A SMAJ75A SMAJ78A SMAJ85A SMAJ90A SMAJ100A SMAJ110A SMAJ120A SMAJ130A SMAJ150A SMAJ160A SMAJ170A SMAJ180A SMAJ188A SMAJ200A SMAJ220A SMAJ250A SMAJ300A* SMAJ350A* SMAJ400A* SMAJ440A* SMAJ5.0CA SMAJ6.0CA SMAJ6.5CA SMAJ7.0CA SMAJ7.5CA SMAJ8.0CA SMAJ8.5CA SMAJ9.0CA SMAJ10CA SMAJ11CA SMAJ12CA SMAJ13CA SMAJ14CA SMAJ15CA SMAJ16CA SMAJ17CA SMAJ18CA SMAJ20CA SMAJ22CA SMAJ24CA SMAJ26CA SMAJ28CA SMAJ30CA SMAJ33CA SMAJ36CA SMAJ40CA SMAJ43CA SMAJ45CA SMAJ48CA SMAJ51CA SMAJ54CA SMAJ58CA SMAJ60CA SMAJ64CA SMAJ70CA SMAJ75CA SMAJ78CA SMAJ85CA SMAJ90CA SMAJ100CA SMAJ110CA SMAJ120CA SMAJ130CA SMAJ150CA SMAJ160CA SMAJ170CA SMAJ180CA SMAJ188CA SMAJ200CA SMAJ220CA* SMAJ250CA* SMAJ300CA* SMAJ350CA* SMAJ400CA* SMAJ440CA* Marking Uni. AE AG AK AM AP AR AT AV AX AZ BE BG BK BM BP BR BT BV BX BZ CE CG CK CM CP CR CT CV CX CZ RE RG RK RM RP RR RT RV RX RZ SE SG SK SM SP SR ST SB SV SX SZ TE TG TK TM Bi. WE WG WK WM WP WR WT WV WX WZ XE XG XK XM XP XR XT XV XX XZ YE YG YK YM YP YR YT YV YX YZ ZE ZG ZK ZM ZP ZR ZT ZV ZX ZZ VE VG VK VM VP VR VT VB VV VX VZ UE UG UK UM Reverse Stand off Voltage VR (Volts) 5.0 6.0 6.5 7.0 7.5 8.0 8.5 9.0 10.0 11.0 12.0 13.0 14.0 15.0 16.0 17.0 18.0 20.0 22.0 24.0 26.0 28.0 30.0 33.0 36.0 40.0 43.0 45.0 48.0 51.0 54.0 58.0 60.0 64.0 70.0 75.0 78.0 85.0 90.0 100.0 110.0 120.0 130.0 150.0 160.0 170.0 180.0 188.0 200.0 220.0 220.0 250.0 250.0 300.0 350.0 400.0 440.0 Breakdown Voltage VBR (Volts) @ IT Min. 6.40 6.67 7.22 7.78 8.33 8.89 9.44 10.00 11.10 12.20 13.30 14.40 15.60 16.70 17.80 18.90 20.00 22.20 24.40 26.70 28.90 31.10 33.30 36.70 40.00 44.40 47.80 50.00 53.30 56.70 60.00 64.40 66.70 71.10 77.80 83.30 86.70 94.40 100.00 111.00 122.00 133.00 144.00 167.00 178.00 189.00 201.00 209.00 224.00 246.00 246.00 279.00 279.00 335.00 391.00 447.00 492.00 Max. 7.00 7.37 7.98 8.60 9.21 9.83 10.40 11.10 12.30 13.50 14.70 15.90 17.20 18.50 19.70 20.90 22.10 24.50 26.90 29.50 31.90 34.40 36.80 40.60 44.20 49.10 52.80 55.30 58.90 62.70 66.30 71.20 73.70 78.60 86.00 92.10 95.80 104.00 111.00 123.00 135.00 147.00 159.00 185.00 197.00 209.00 222.00 231.00 247.00 272.00 272.00 309.00 309.00 371.00 432.00 494.00 543.00 IT (mA) Maximum Clamping Voltage VC @ Ipp (V) 10 10 10 10 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 9.2 10.3 11.2 12.0 12.9 13.6 14.4 15.4 17.0 18.2 19.9 21.5 23.2 24.4 26.0 27.6 29.2 32.4 35.5 38.9 42.1 45.4 48.4 53.3 58.1 64.5 69.4 72.7 77.4 82.4 87.1 93.6 96.8 103.0 113.0 121.0 126.0 137.0 146.0 162.0 177.0 193.0 209.0 243.0 259.0 275.0 292.0 304.0 324.0 356.0 356.0 405.0 405.0 486.0 567.0 648.0 713.0 Test Current Maximum Maximum Reverse Peak Pulse Current Ipp Leakage IR@ (A) VR (µA) 43.5 38.8 35.7 33.3 31.0 29.4 27.8 26.0 23.5 22.0 20.1 18.6 17.2 16.4 15.4 14.5 13.7 12.3 11.3 10.3 9.5 8.8 8.3 7.5 6.9 6.2 5.8 5.5 5.2 4.9 4.6 4.3 4.1 3.9 3.5 3.3 3.2 2.9 2.7 2.5 2.3 2.1 1.9 1.6 1.5 1.5 1.4 1.4 1.2 1.1 1.7 1.0 1.5 1.3 1.1 1.0 0.9 800 800 500 200 100 50 20 10 5 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Agency Approval X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X - Notes: For bidirectional type having VR of 10 volts and less, the IR limit is double. For stack-die parts, use * to label the part number. © 2020 Littelfuse, Inc. Specifications are subject to change without notice. Revised: BA.10/21/20 TVS Diodes Surface Mount – 400W > SMAJ series I-V Curve Characteristics Bi-directional Uni-directional Ipp Vc VBR VR IR VF IT IT IR Vc VBR VR V IR IT V Ipp Ipp PPPM VR VBR VC IR VF VR VBR Vc Peak Pulse Power Dissipation -- Max power dissipation Stand-off Voltage -- Maximum voltage that can be applied to the TVS without operation Breakdown Voltage -- Maximum voltage that flows though the TVS at a specified test current (IT) Clamping Voltage -- Peak voltage measured across the TVS at a specified Ippm (peak impulse current) Reverse Leakage Current -- Current measured at VR Forward Voltage Drop for Uni-directional Ratings and Characteristic Curves (T =25°C unless otherwise noted) A Figure 1 - TVS Transients Clamping Waveform Figure 2 - Peak Pulse Power Rating Curve Voltage Transients PPPM-Peak Pulse Power (kW) 100 Voltage or Current Voltage Across TVS Current Through TVS Time TJ initial = Tamb 10 stacked-die, 600W at 10/1000µs, 25°C 1 0.1 0.001 Single die,400W at 10/1000µs, 25°C 0.01 0.1 1 10 td-Pulse Width (ms) © 2020 Littelfuse, Inc. Specifications are subject to change without notice. Revised: BA.10/21/20 TVS Diodes Surface Mount – 400W > SMAJ series Ratings and Characteristic Curves (T =25°C unless otherwise noted) (Continued) A Figure 3 - Peak Pulse Power Derating Curve Figure 4 - Pulse Waveform 150 80% IPPM- Peak Pulse Current, % IRSM Peak Pluse Power(PPP) or Current(IPP) Derating in Percentage % 100% SMF5.0 ~ SMF100 60% 40% 20% 0% 0 25 50 75 100 125 150 tr=10µsec Peak Value IPPM 100 Half Value IPPM IPPM ( ) 2 50 0 175 10/1000µsec. Waveform as defined by R.E.A td 1.0 0 2.0 3.0 4.0 t-Time (ms) TJ Initial Junction Temperature(˚C) Figure 5 - Typical Junction Capacitance Figure 6 - Typical Transient Thermal Impedance 1000 Transient Thermal Impedance ( °C/W) 10000 Uni-direconal V=0V 1000 Cj (pF) TJ=25°C Pulse Width(td) is defined as the point where the peak current decays to 50% of IPPM Bi-direconal V=0V 100 Uni/Bi-direconal V=VR 10 100 10 1 0.1 0.001 1 1 10 100 1000 0.01 0.1 VBR - Reverse Breakdown Voltage (V) Figure 7 - Maximum Non-Repetitive Forward Surge Current Uni-Directional Only IFSM 10 100 1000 Figure 8 - Peak Forward Voltage Drop vs Peak Forward Current (Typical Values) 100.0 Single die 60 IF - Peak Forward Current (A) - Peak Forward Surve Current (A) 70 1 TP - Pulse Duration (s) 50 40 30 20 Stacked-die 10.0 1.0 10 0.1 0 1 10 Number of Cycles at 60 Hz 100 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 VF - Peak Forward Voltage (V) © 2020 Littelfuse, Inc. Specifications are subject to change without notice. Revised: BA.10/21/20 TVS Diodes Surface Mount – 400W > SMAJ 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 tp TP Ramp-up TL Temperature (T) Reflow Condition Critical Zone TL to TP tL Ts(max) Ramp-down Ts(min) ts Preheat °C 25˚C t 25˚C to Peak Time (t) Environmental Specifications Physical Specifications Weight 0.002 ounce, 0.061 gram High Temp. Storage JESD22-A103 Case JEDEC DO-214AC Molded Plastic over glass passivated junction HTRB JESD22-A108 Polarity Color band denotes cathode except Bipolar Temperature Cycling JESD22-A104 Terminal Matte Tin-plated leads, Solderable per JESD22-B102 MSL JEDEC-J-STD-020, Level 1 H3TRB JESD22-A101 RSH JESD22-A111 Dimensions DO-214AC (SMA) Dimensions Cathode Band (for uni-directional products only) B H D F E G J K Millimeters Max Min Max 0.049 0.065 1.250 1.650 B 0.157 0.181 3.990 4.600 C 0.095 0.110 2.400 2.790 D 0.075 0.090 1.900 2.290 E 0.030 0.060 0.780 1.520 F - 0.008 - 0.203 G 0.189 0.208 4.800 5.280 H 0.006 0.012 0.152 0.305 I 0.070 - 1.800 - J 0.082 - 2.100 - K - 0.090 - 2.300 L 0.082 - 2.100 - A C A Inches Min L I Solder Pads © 2020 Littelfuse, Inc. Specifications are subject to change without notice. Revised: BA.10/21/20 TVS Diodes Surface Mount – 400W > SMAJ series Part Numbering System Part Marking System SMAJ XXX C A F Cathode Band (for uni-directional products only) XX 5% VBR Voltage Tolerance YMXXX Bi-directional VR Voltage Series Littelfuse Logo Marking Code Trace Code Marking Y:Year Code M: Month Code XXX: Lot Code Packaging Part number Component Package Quantity Packaging Option Packaging Specification SMAJ-xxxXX DO-214AC 5000 Tape & Reel - 12mm tape/13” reel EIA STD RS-481 Tape and Reel Specification 0.157 (4.0) Cathode 0.47 (12.0) 0.157 (4.0) 0.059 DIA (1.5) Cover tape 13.0 (330) 0.80 (20.2) Arbor Hole Dia. 0.49 (12.5) 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: BA.10/21/20