SMAJ Transil™ Features ■ Peak pulse power: – 400 W (10/1000 µs) A – 2.3 kW (8/20 μs) ■ Stand off voltage range: from 5 V to 188 V ■ Unidirectional and bidirectional types K ■ Low leakage current: Unidirectional Bidirectional – 0.2 μA at 25 °C SMA (JEDEC DO-214AC) – 1 μA at 85 °C ■ Operating T : 150 °C j max ■ High power capability at T : j max – 270 W (10/1000 µs) Description ■ JEDEC registered package outline The SMAJ Transil series has been designed to Complies with the following standards protect sensitive equipment against electrostatic ■ IEC 61000-4-2 level 4 discharges according to IEC 61000-4-2, and – 15 kV (air discharge) MILSTD883, method 3015, and electrical over – 8 kV (contact discharge) stress according to IEC 61000-4-4 and 5. These devices are generally used against surges below ■ IEC 61000-4-5 (see Table 3 for surge level) 400 W (10/1000μs). ■ MIL STD 883G, method 3015-7 Class 3B Planar technology makes these devices suitable – 25 kV HBM (human body model) for high-end equipment and SMPS where low ■ Resin meets UL 94, V0 leakage current and high junction temperature are ■ MIL-STD-750, method 2026 solderability required to provide reliability and stability over time. ■ EIA STD RS-481 and IEC 60286-3 packing SMAJ are packaged in SMA (SMA footprint in ■ IPC 7531 footprint accordance with IPC 7531 standard). TM: Transil is a trademark of STMicroelectronics July 2010 Doc ID 5544 Rev 12 1/10 www.st.com 10

Characteristics SMAJ 1 Characteristics Table 1. A b solute maximum ratings (T = 25 °C) amb Symbol Parameter Value Unit P Peak pulse power dissipation (1) T initial = T 400 W PP j amb T Storage temperature range -65 to +150 °C stg T Operating junction temperature range -55 to +150 °C j T Maximum lead temperature for soldering during 10 s. 260 °C L 1. For a surge greater than the maximum values, the diode will fail in short-circuit. Table 2. T h ermal resistances Symbol Parameter Value Unit R Junction to leads 30 °C/W th(j-l) R Junction to ambient on printed circuit on recommended pad layout 120 °C/W th(j-a) Figure 1. Electrical characteristics - definitions II II Symbol Parameter VRM Stand-off voltage Unidirectional IIFF IIPPPP VBR Breakdown voltage VCL Clamping voltage II IRM Leakage current @VRM VVCCLLVVBBRRVVRRMM VVFF VV VVCCLLVVBBRRVVRRMM IIRRRRMM VV IαPTP PVoelatakg peu tlseem cpuerrraetnutre coefficient IIRIRIRRMM IIRRIIRRMM VVRRMMVVBBRRVVCCLL VF Forward voltage drop RD Dynamic resistance IIPPPP IIPPPP Bidirectional Figure 2. Pulse definition for electrical characteristics Repetitive pulse current tr= rise time (µs) tp= pulse duration time (µs) tr tp 2/10 Doc ID 5544 Rev 12

SMAJ Characteristics Table 3. E l ectrical characteristics - parameter values (T = 25 °C) amb V @I R (2) V @I R (2) I max@V V @I (1) CL PP D CL PP D αT (3) RM RM BR R 10/1000µs 10/1000 µs 8/20µs 8/20 µs Order code 25 °C 85 °C min typ max max max µA V V mA V A(4) Ω V A(4) Ω 10-4/° C SMAJ5.0A/CA 20 50 5 6.4 6.74 10 9.2 43.5 0.049 13.4 174 0.036 5.7 SMAJ6.0A/CA 20 50 6 6.7 7.05 10 10.3 38.8 0.075 13.7 170 0.037 5.9 SMAJ6.5A/CA 20 50 6.5 7.2 7.58 10 11.2 35.7 0.091 14.5 160 0.041 6.1 SMAJ8.5A/CA 20 50 8.5 9.4 9.9 1 14.4 27.7 0.145 19.5 124 0.073 7.3 SMAJ10A/CA 0.2 1 10 11.1 11.7 1 17 23.5 0.201 21.7 106 0.089 7.8 SMAJ12A/CA 0.2 1 12 13.3 14 1 19.9 20.1 0.259 25.3 91 0.116 8.3 SMAJ13A/CA 0.2 1 13 14.4 15.2 1 21.5 18.6 0.298 27.2 85 0.132 8.4 SMAJ15A/CA 0.2 1 15 16.7 17.6 1 24.4 16.4 0.361 32.5 71 0.197 8.8 SMAJ18A/CA 0.2 1 18 20 21.1 1 29.2 13.7 0.514 39.3 59 0.291 9.2 SMAJ20A/CA 0.2 1 20 22.2 23.4 1 32.4 12.3 0.637 42.8 54 0.338 9.4 SMAJ22A/CA 0.2 1 22 24.4 25.7 1 35.5 11.2 0.760 48.3 48 0.444 9.6 SMAJ24A/CA 0.2 1 24 26.7 28.1 1 38.9 10.3 0.912 50 46 0.446 9.6 SMAJ26A/CA 0.2 1 26 28.9 30.4 1 42.1 9.5 1.07 53.5 43 0.502 9.7 SMAJ28A/CA 0.2 1 28 31.1 32.7 1 45.4 8.8 1.26 59 39 0.632 9.8 SMAJ30A/CA 0.2 1 30 33.3 35.1 1 48.4 8.3 1.39 64.3 36 0.762 9.9 SMAJ33A/CA 0.2 1 33 36.7 38.6 1 53.3 7.5 1.70 69.7 33 0.884 10 SMAJ40A/CA 0.2 1 40 44.4 46.7 1 64.5 6.2 2.49 84 27 1.30 10.1 SMAJ43A/CA 0.2 1 43 47.8 50.3 1 69.4 5.7 2.91 91 25 1.53 10.2 SMAJ48A/CA 0.2 1 48 53.3 56.1 1 77.4 5.2 3.56 100 23 1.79 10.3 SMAJ58A/CA 0.2 1 58 64.4 67.8 1 93.6 4.3 5.21 121 19 2.62 10.4 SMAJ70A/CA 0.2 1 70 77.8 81.9 1 113 3.5 7.72 146 16 3.75 10.5 SMAJ85A/CA 0.2 1 85 94 99 1 137 2.9 11.4 178 13 5.70 10.6 SMAJ100A/CA 0.2 1 100 111 117 1 162 2.5 15.7 212 11 8.10 10.7 SMAJ130A/CA 0.2 1 130 144 152 1 209 1.9 26.0 265 9 11.7 10.8 SMAJ154A/CA 0.2 1 154 171 180 1 246 1.6 35.6 317 7 18.3 10.8 SMAJ170A/CA 0.2 1 170 189 199 1 275 1.4 47.2 353 6.5 22.2 10.8 SMAJ188A/CA 0.2 1 188 209 220 1 328 1.4 69.3 388 6 26.2 10.8 1. Pulse test : t < 50 ms p 2. To calculate maximum clamping voltage at other surge level,use the following formula: V = V - R x (I - I ) CLmax CL D PP PPappli where I is the surge current in the application PPappli 3. To calculate V or V versus junction temperature, use the following formulas: BR CL V @ T = V @ 25°C x (1 + αT x (T – 25)), BR J BR J V @ T = V @ 25°C x (1 + αT x (T – 25)) CL J CL J 4. Surge capability given for both directions for unidirectional and bidirectional types. Doc ID 5544 Rev 12 3/10

Characteristics SMAJ Figure 3. P eak pulse power dissipation Figure 4. Peak pulse power versus versus initial junction temperature exponential pulse duration (T initial = 25° C) j 500 Ppp(W) 10.0 PPP(kW) Tjinitial = 25°C 400 300 1.0 200 100 Tj(°C) tP(ms) 0 0.1 0 25 50 75 100 125 150 175 1.0E-03 1.0E-02 1.0E-01 1.0E+00 1.0E+01 Figure 5. Clamping voltage versus peak pulse current (exponential waveform, maximum values) IPP(A) 1000.0 Tjinitial=25 °C 100.0 10.0 8/20µs 10/1000µs 1.0 SMAJ5.0A SMAJ12A SMAJ24A SMAJ40A SMAJ85A SMAJ188A 1V0C mL(sV) 0.1 1 10 100 1000 4/10 Doc ID 5544 Rev 12

SMAJ Characteristics Figure 6. J u nction capacitance versus Figure 7. Junction capacitance versus reverse applied voltage for reverse applied voltage for unidirectional types (typical values) bidirectional types (typical values) C(pF) C(pF) 10000 10000 F=1MHz F=1 MHz VOSTC=j=3205m°CVRMS VOSTC=j=3205m°CVRMS SMAJ5.0A 1000 1000 SMAJ12A SMAJ5.0CA SMAJ24A SMAJ12CA SMAJ40A SMAJ24CA 100 100 SMAJ40CA SMAJ85A SMAJ85CA SMAJ188A 10 VR(V) 10 VR(V) SMAJ188CA 1 10 100 1000 1 10 100 1000 Figure 8. P eak forward voltage drop Figure 9. Relative variation of thermal versus peak forward current impedance, junction to ambient, (typical values) versus pulse duration IFM(A) Zth(j-a)/Rth(j-a) 1.0E+02 1.00 Recommended pad layout PCB FR4, copper thickness = 35 µm 1.0E+01 Tj=125°C 1.0E+00 Tj=25°C 0.10 1.0E-01 V (V) FM 1.0E-02 0.01 tP(s) 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 1.0E-03 1.0E-02 1.0E-01 1.0E+00 1.0E+01 1.0E+02 1.0E+03 F igure 10. Thermal resistance, junction to Figure 11. Leakage current versus junction ambient, versus copper surface temperature (typical values) under each lead R (°C/W) 130 th(j-a) 1.E+03 IR(nA) 120 PCB FR4, copper thickness = 35 µm 110 10900 1.E+02 VVRMR=<V1R0MV 80 70 60 1.E+01 50 40 30 1.E+00 1200 SCU(cm²) VVRMR=≥V1R0MV Tj(°C) 0 1.E-01 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 25 50 75 100 125 150 Doc ID 5544 Rev 12 5/10

Ordering information scheme SMAJ 2 Ordering information scheme Figure 12. Ordering information scheme SM A J 85 CA - TR Surface mount Peak pulse power A = 400WTransil in SMA Stand off voltage 85 = 85V Type A = Unidirectinal CA = Bidirectional Delivery mode TR =Tape and reel 6/10 Doc ID 5544 Rev 12

SMAJ Package information 3 Package information ● Case: JEDEC DO-214AC molded plastic over planar junction ● Terminals: solder plated, solderable per MIL-STD-750, Method 2026 ● Polarity: for unidirectional types the band indicates cathode. ● Flammability: epoxy is rated UL94V-0 ● RoHS package In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK® packages, depending on their level of environmental compliance. ECOPACK® specifications, grade definitions and product status are available at: www.st.com. ECOPACK® is an ST trademark. T able 4. SMA dimensions Dimensions Ref. Millimeters Inches E1 Min. Max. Min. Max. A1 1.90 2.45 0.075 0.094 D A2 0.05 0.20 0.002 0.008 b 1.25 1.65 0.049 0.065 E c 0.15 0.40 0.006 0.016 D 2.25 2.90 0.089 0.114 A1 E 4.80 5.35 0.189 0.211 C A2 L b E1 3.95 4.60 0.156 0.181 L 0.75 1.50 0.030 0.059 F igure 13. Footprint dimensions in mm Figure 14. Marking layout(1) (inches) 1.4 2.63 1.4 (0.055) (0.103) (0.055) Cathode bar (unidirectional devices only) e e:ECOPACK compliance 1.64 XXX: Marking (0.064) x x x Z: Manufacturing location Y: Year WW: week z y ww 5.43 (0.214) 1. Marking layout can vary according to assembly location. Doc ID 5544 Rev 12 7/10

Package information SMAJ T able 5. Marking Order code Marking Order code Marking SMAJ5.0A-TR AE SMAJ5.0CA-TR AA SMAJ6.0A-TR DUB SMAJ6.0CA-TR DBB SMAJ6.5A-TR DUC SMAJ6.5CA-TR DBC SMAJ8.5A-TR DUH SMAJ8.5CA-TR DBH SMAJ10A-TR AX SMAJ10CA-TR AC SMAJ12A-TR DUK SMAJ12CA-TR DBK SMAJ13A-TR BG SMAJ13CA-TR BH SMAJ15A-TR BM SMAJ15CA-TR AJ SMAJ18A-TR DUQ SMAJ18CA-TR DBQ SMAJ20A-TR DUR SMAJ20CA-TR DBR SMAJ22A-TR DUS SMAJ22CA-TR DBS SMAJ24A-TR DUT SMAJ24CA-TR DBT SMAJ26A-TR DUU SMAJ26CA-TR DBU SMAJ28A-TR CG SMAJ28CA-TR CH SMAJ30A-TR CK SMAJ30CA-TR CL SMAJ33A-TR CM SMAJ33CA-TR CN SMAJ40A-TR DUZ SMAJ40CA-TR DBZ SMAJ43A-TR EUA SMAJ43CA-TR EBA SMAJ48A-TR CX SMAJ48CA-TR CY SMAJ58A-TR EUF SMAJ58CA-TR EBF SMAJ70A-TR EUI SMAJ70CA-TR EBI SMAJ85A-TR EUL SMAJ85CA-TR EBL SMAJ100A-TR EUN SMAJ100CA-TR EBN SMAJ130A-TR EUQ SMAJ130CA-TR EBQ SMAJ154A-TR EUT SMAJ154CA-TR EBT SMAJ170A-TR SR SMAJ170CA-TR SS SMAJ188A-TR EUV SMAJ188CA-TR EBV 8/10 Doc ID 5544 Rev 12

SMAJ Ordering information 4 Ordering information T able 6. Ordering information Order code Marking Package Weight Base qty Delivery mode SMAJxxxA/CA-TR(1) See Table5 on page8 SMA 0.071 g 5000 Tape and reel 1. Where xxx is nominal value of V and A or CA indicates unidirectional or bidirectional version. See BR Table3 for list of available devices and their order codes 5 Revision history T able 7. Document revision history Date Revision Changes September-1998 5B Previous update. SMA package dimensions update. Reference A1 max. changed 02-Aug-2004 6 from 2.70mm (0.106) to 2.03mm (0.080). 10-Dec-2004 7 Template layout update. No content change. Added unidirectional marking on cover page and Figure14. 10-Feb-2006 8 Changed Figure 13. Foot print. Updated ECOPACK statement. Reformatted to current 14-May-2009 9 standards. 17-Sep-2009 10 Document updated for low leakage current. 05-Nov-2009 11 Corrected typographical error in Package information. 09-Jul-2010 12 Changed timescale in Figure 9. Doc ID 5544 Rev 12 9/10

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Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: S TMicroelectronics: SMAJ188A-TR SMAJ6.5A-TR SMAJ15A-TR SMAJ40CA-TR SMAJ48A-TR SMAJ12CA-TR SMAJ13A-TR SMAJ6.5CA-TR SMAJ8.5CA-TR SMAJ40A-TR SMAJ188CA-TR SMAJ15CA-TR SMAJ24A-TR SMAJ154A-TR SMAJ33A-TR SMAJ33CA-TR SMAJ26CA-TR SMAJ30A-TR SMAJ58A-TR SMAJ12A-TR SMAJ26A-TR SMAJ70CA-TR SMAJ30CA-TR SMAJ10CA-TR SMAJ5.0A-TR SMAJ18A-TR SMAJ100A-TR SMAJ43A-TR SMAJ70A-TR SMAJ5.0CA-TR SMAJ22CA-TR SMAJ43CA-TR SMAJ28CA-TR SMAJ48CA-TR SMAJ18CA-TR SMAJ28A-TR SMAJ170A-TR SMAJ13CA-TR SMAJ130CA-TR SMAJ170CA-TR SMAJ6.0A-TR SMAJ85CA-TR SMAJ6.0CA-TR SMAJ58CA-TR SMAJ24CA-TR SMAJ20A-TR