TVS Diodes Surface Mount – 400W > SMAJ series SMAJ Series RoHS Pb e3 Description Uni-directional The SMAJ series is designed specifically to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. Bi-directional Features • Excellent clamping capability • Typical IR less than 1µA above 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 15kV(Air), 8kV (Contact) • ESD protection of data lines in accordance with IEC 61000-4-2 (IEC801-2) • EFT protection of data lines in accordance with IEC 61000-4-4 (IEC801-4) • Built-in strain relief • 400W Peak pulsepower capability at 10/1000µs waveform, repetition rate (duty cycle): 0.01% Agency Approvals AGENCY AGENCY FILE NUMBER E230531 Maximum Ratings and Thermal Characteristics (TA=25OC unless otherwise noted) Parameter Symbol Value Unit Peak Pulse Power Dissipation at TA=25ºC by 10/1000µs Waveform (Fig.2)(Note 1), (Note 2) PPPM 400 W Power Dissipation on Infinite Heat Sink at TA=50OC PM(AV) 3.3 W Peak Forward Surge Current, 8.3ms Single Half Sine Wave (Note 3) IFSM 40 A Maximum Instantaneous Forward Voltage at 25A for Unidirectional Only (Note 4) VF 3.5V/6.5 V TJ , TSTG -55 to 150 °C Typical Thermal Resistance Junction to Lead RuJL 30 °C/W Typical Thermal Resistance Junction to Ambient RuJA 120 °C/W Operating Junction and Storage Temperature Range • Fast response time: typically less than 1.0ps from 0 Volts to VBR min • Glass passivated junction • Low inductance • High temperature soldering: 260°C/40 seconds at terminals • VBR @TJ= VBR@25°C x (1+αT x (TJ - 25)) (αT:Temperature Coefficient) • Plastic package has underwriters laboratory flammability 94V-O • Meet MSL level1, per J-STD-020, LF maximun peak of 260°C • Matte tin lead–free Plated • Halogen free and RoHS compliant • 2nd level interconnect is Pb-free per IPC/JEDEC J-STD-609A.01 Applications Notes: 1. Non-repetitive current pulse, per Fig.4 and derated above TA=25ºC per Fig. 3. 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. 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. _ 200V and VF< 6.5V for VBR > _ 201V. 4.VF < 3.5V for VBR < Functional Diagram Bi-directional Cathode Anode Uni-directional SMAJ Series 20 ©2014 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 10/09/14 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 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 SMAJ200CA SMAJ220CA SMAJ250CA SMAJ300CA SMAJ350CA SMAJ400CA SMAJ440CA Marking UNI BI 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 SV SX SZ TE TG TK TM 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 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 90.0 100.0 110.0 120.0 130.0 150.0 160.0 170.0 180.0 200.0 220.0 250.0 300.0 350.0 400.0 440.0 Breakdown Voltage VBR (Volts) @ IT MIN MAX Test Current IT (mA) 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 94.40 100.00 111.00 122.00 133.00 144.00 167.00 178.00 189.00 201.00 224.00 246.00 279.00 335.00 391.00 447.00 492.00 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 95.80 104.00 111.00 123.00 135.00 147.00 159.00 185.00 197.00 209.00 222.00 247.00 272.00 309.00 371.00 432.00 494.00 543.00 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 For bidirectional type having VRWM of 10 volts and less, the IR limit is double. For parts without A (VBR is + 10% and VC is 5% higher than with A parts). SMAJ Series 21 Maximum Maximum Maximum Reverse Clamping Peak Pulse Leakage IR Voltage VC Current Ipp @ Ipp @ VR (A) (V) (µA) 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 96.8 103.0 113.0 121.0 126.0 137.0 146.0 162.0 177.0 193.0 209.0 243.0 259.0 275.0 292.0 324.0 356.0 405.0 486.0 567.0 648.0 713.0 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 1.2 1.1 1.0 0.8 0.7 0.6 0.6 800 800 500 200 100 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 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 ©2014 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 10/09/14 TVS Diodes Surface Mount – 400W > SMAJ series I-V Curve Characteristics Bi-directional Uni-directional Ipp Vc VBR VR V IR VF IT IT IR Vc VBR VR 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 suppressor 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 10 PPPM-Peak Pulse Power (kW) Voltage Transients Voltage or Current Voltage Across TVS Current Through TVS 1 0.2x0.2" (5.0x5.0mm) Copper Pad Area 0.1 0.000001 0.00001 0.0001 0.001 td-Pulse Width (sec.) Time continues on next page. SMAJ Series 22 ©2014 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 10/09/14 TVS Diodes Surface Mount – 400W > SMAJ series Ratings and Characteristic Curves (T =25°C unless otherwise noted) (Continued) A Figure 3 - Pulse Derating Curve Figure 4 - Pulse Waveform 150 IPPM- Peak Pulse Current, % IRSM Peak Pulse Power (PPP) or Current (IPP) Derating in Percentage % 100 80 60 40 20 0 0 25 50 75 100 125 150 tr=10µsec Half Value IPPM IPPM ( ) 2 50 TA-Ambient temperature (ºC) PM(AV), Steady State Power Dissipation (W) Bi-directional V=0V Cj (pF) Uni-directional V=0V Uni-directional @VR 100 Bi-directional @VR 10 Tj=25ºC f=1.0MHz Vsig=50mVp-p 1.0 10.0 100.0 td 1.0 0 2.0 3.0 4.0 Figure 6 - Steady State Power Dissipation Derating Curve 10000 1 10/1000µsec. Waveform as defined by R.E.A t-Time (ms) Figure 5 - Typical Junction Capacitance 1000 Peak Value IPPM 100 0 175 TJ=25°C Pulse Width(td) is defined as the point where the peak current decays to 50% of IPPM 1000.0 3.6 3.0 2.4 1.8 1.2 0.6 0 0 VBR - Reverse Breakdown Voltage (V) 25 50 75 100 125 150 TA - Ambient Temperature (ºC) 175 Figure 7 - Maximum Non-Repetitive Forward Surge Current Uni-Directional Only IFSM - Peak Forward Surve Current (A) 45 40 35 30 25 20 15 bargaining 10 5 0 1 10 100 Number of Cycles at 60 Hz SMAJ Series 23 ©2014 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 10/09/14 TVS Diodes Surface Mount – 400W > SMAJ series Soldering Parameters Pre Heat Lead–free assembly - Temperature Min (Ts(min)) 150°C - Temperature Max (Ts(max)) 200°C - Time (min to max) (ts) 60 – 180 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) (ts) 60 – 150 seconds Peak Temperature (TP) 260+0/-5 °C Time within 5°C of actual peak Temperature (tp) 20 – 40 seconds Ramp-down Rate 6°C/second max Time 25°C to peak Temperature (TP) 8 minutes Max. Do not exceed 280°C Ramp-up TL 0.002 ounce, 0.061 gram Case JEDEC DO-214AC Molded Plastic over glass passivated junction Polarity Color band denotes cathode except Bipolar Terminal Matte Tin-plated leads, Solderable per JESD22-B102 tL Critical Zone TL to TP Ts(max) Ramp-down Ts(min) ts Preheat 25˚C t 25˚C to Peak Time (t) Environmental Specifications Physical Specifications Weight tp TP Temperature (T) Reflow Condition High Temp. Storage JESD22-A103 HTRB JESD22-A108 Temperature Cycling JESD22-A104 MSL JEDEC-J-STD-020, Level 1 H3TRB JESD22-A101 RSH JESD22-B106 Dimensions DO-214AC (SMA) Dimensions Cathode Band (for Uni-directional products only) C A B H D F E G J K L I SMAJ Series Solder Pads (all dimensions in mm) 24 Inches Millimeters Min Max Min Max A 0.049 0.065 1.250 1.650 B 0.157 0.177 3.990 4.500 C 0.100 0.110 2.540 2.790 D 0.078 0.090 1.980 2.290 E 0.030 0.060 0.780 1.520 F - 0.008 - 0.203 G 0.194 0.208 4.930 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 - ©2014 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 10/09/14 TVS Diodes Surface Mount – 400W > SMAJ series Part Numbering System Part Marking System SMAJ XXX C A Cathode Band F (for Uni-directional products only) 5% VBR VOLTAGE TOLERANCE BI-DIRECTIONAL XX VR VOLTAGE YMXXX SERIES Littelfuse Logo Marking Code Trace Code Marking Y:Year Code M: Month Code XXX: Lot Code Packaging Part number Component Package SMAJ-xxxXX DO-214AC Packaging Option Quantity 5000 Tape & Reel - 12mm tape/13” reel Packaging Specification 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) SMAJ Series Dimensions are in inches (and millimeters). Direction of Feed 25 ©2014 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 10/09/14