SMBJ Series RoHS Pb e3 Uni-directional Description Bi-directional The SMBJ is designed specifically to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. Agency Approvals AGENCY Ratings and Thermal Characteristics (T A =25 O C unless otherwise noted Parameter Symbol Value Unit Peak Pulse Power Dissipation at T A =25ºC by 1/µs Waveform (Fig.2(Note 1, (Note 2, (Note 5 P PPM 6 W Power Dissipation on Infinite Heat Sink at T L =5 O C P D 5. W Peak Forward Surge Current, 8.3ms Single Half Sine Wave (Note 3 I FSM A Instantaneous Forward Voltage at 5A for Unidirectional V F 3.5/5. V Only (Note 4 Operating Temperature Range T J -65 to 15 C Storage Temperature Range T STG -65 to 175 C Typical Thermal Resistance Junction to Lead Typical Thermal Resistance Junction to Ambient AGENCY FILE NUMBER E23531 R θjl 2 C/W R θja C/W Features 6W peak pulse power capability at 1/μs waveform, repetition rate (duty cycles:.1% Excellent clamping capability Low incremental surge resistance Typical I R less than 1μA when V BR min>12v For surface mounted applications to optimize board space Low profile package Typical failure mode is a short circuit condition for current events exceeding component rating Whisker test is conducted based on JEDEC JESD21A per its table 4a and 4c IEC-6-4-2 ESD 3kV(Air, 3kV (Contact EFT protection of data lines in accordance with IEC 6-4-4 Built-in strain relief Fast response time: typically less than 1.ps from V to BV min High temperature to reflow soldering guaranteed: 26 C/4sec V BR @ T J = V BR @25 C x (1+αT x (T J - 25 (αt:temperature Coefficient, typical value is.1% Plastic package is flammability rated V- per UL-94 Meet MSL level1, per J-STD-2, lead-frame maximun peak of 26 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-STD- 69A.1 Notes: 1. Non-repetitive current pulse, per Fig. 4 and derated above T J (initial =25 O C per Fig. 3. 2. Mounted on copper pad area of.2x.2 (5. x 5.mm to each terminal. 3. Measured on 8.3ms single half sine wave or equivalent square wave for unidirectional device only, duty cycle=4 per minute maximum. 4. V F < 3.5V for single die parts and V F < 5.V for stacked-die parts. 5. The P PPM of stacked-die parts is 8W; please contact Littelfuse for details on the stacked-die components. Functional Diagram Applications TVS devices are ideal for the protection of I/O Interfaces, V CC bus and other vulnerable circuits used in Telecom, Computer, Industrial and Consumer electronic applications. Additional Infomarion Bi-directional Datasheet Resources Samples Cathode Anode Uni-directional
Electrical Characteristics (T A =25 C unless otherwise noted Part Number (Uni Part Number (Bi Marking Reverse Stand off Voltage V R (Volts Breakdown Voltage V BR (Volts @ I T Test Current I T (ma Clamping Voltage V C @ I pp (V at 1/ Peak Pulse Current I pp (A at 1/ Reverse Leakage I R @ V R (µa Temperature coefficient of V BR (%/C Agency Recognition UNI BI MIN MAX SMBJ5.A SMBJ5.CA KE AE 5. 6.4 7. 1 9.2 65.3 8.41 X SMBJ6.A SMBJ6.CA KG AG 6. 6.67 7.37 1 1.3 58.3 8.46 X SMBJ6.5A SMBJ6.5CA KK AK 6.5 7.22 7.98 1 11.2 53.6 5.52 X SMBJ7.A SMBJ7.CA KM AM 7. 7.78 8.6 1 12. 5. 2.58 X SMBJ7.5A SMBJ7.5CA KP AP 7.5 8.33 9.21 1 12.9 46.6.61 X SMBJ8.A SMBJ8.CA KR AR 8. 8.89 9.83 1 13.6 44.2 5.64 X SMBJ8.5A SMBJ8.5CA KT AT 8.5 9.44 1.4 1 14.4 41.7 2.66 X SMBJ9.A SMBJ9.CA KV AV 9. 1. 11.1 1 15.4 39. 1.69 X SMBJ1A SMBJ1CA KX AX 1. 11.1 12.3 1 17. 35.3 5.71 X SMBJ11A SMBJ11CA KZ AZ 11. 12.2 13.5 1 18.2 33. 1.74 X SMBJ12A SMBJ12CA LE BE 12. 13.3 14.7 1 19.9 3.2 1.75 X SMBJ13A SMBJ13CA LG BG 13. 14.4 15.9 1 21.5 28. 1.76 X SMBJ14A SMBJ14CA LK BK 14. 15.6 17.2 1 23.2 25.9 1.8 X SMBJ15A SMBJ15CA LM BM 15. 16.7 18.5 1 24.4 24.6 1.83 X SMBJ16A SMBJ16CA LP BP 16. 17.8 19.7 1 26. 23.1 1.84 X SMBJ17A SMBJ17CA LR BR 17. 18.9 2.9 1 27.6 21.8 1.85 X SMBJ18A SMBJ18CA LT BT 18. 2. 22.1 1 29.2 2.6 1.88 X SMBJ2A SMBJ2CA LV BV 2. 22.2 24.5 1 32.4 18.6 1.91 X SMBJ22A SMBJ22CA LX BX 22. 24.4 26.9 1 35.5 16.9 1.92 X SMBJ24A SMBJ24CA LZ BZ 24. 26.7 29.5 1 38.9 15.5 1.92 X SMBJ26A SMBJ26CA ME CE 26. 28.9 31.9 1 42.1 14.3 1.93 X SMBJ28A SMBJ28CA MG CG 28. 31.1 34.4 1 45.4 13.3 1.94 X SMBJ3A SMBJ3CA MK CK 3. 33.3 36.8 1 48.4 12.4 1.96 X SMBJ33A SMBJ33CA MM CM 33. 36.7 4.6 1 53.3 11.3 1.97 X SMBJ36A SMBJ36CA MP CP 36. 4. 44.2 1 58.1 1.4 1.98 X SMBJ4A SMBJ4CA MR CR 4. 44.4 49.1 1 64.5 9.3 1.99 X SMBJ43A SMBJ43CA MT CT 43. 47.8 52.8 1 69.4 8.7 1.1 X SMBJ45A SMBJ45CA MV CV 45. 5. 55.3 1 72.7 8.3 1.11 X SMBJ48A SMBJ48CA MX CX 48. 53.3 58.9 1 77.4 7.8 1.11 X SMBJ51A SMBJ51CA MZ CZ 51. 56.7 62.7 1 82.4 7.3 1.11 X SMBJ54A SMBJ54CA NE DE 54. 6. 66.3 1 87.1 6.9 1.12 X SMBJ58A SMBJ58CA NG DG 58. 64.4 71.2 1 93.6 6.5 1.13 X SMBJ6A SMBJ6CA NK DK 6. 66.7 73.7 1 96.8 6.2 1.13 X SMBJ64A SMBJ64CA NM DM 64. 71.1 78.6 1 13. 5.9 1.14 X SMBJ7A SMBJ7CA NP DP 7. 77.8 86. 1 113. 5.3 1.15 X SMBJ75A SMBJ75CA NR DR 75. 83.3 92.1 1 121. 5. 1.16 X SMBJ78A SMBJ78CA NT DT 78. 86.7 95.8 1 126. 4.8 1.16 X SMBJ85A SMBJ85CA NV DV 85. 94.4 14. 1 137. 4.4 1.16 X SMBJ9A SMBJ9CA NX DX 9.. 111. 1 146. 4.1 1.17 X SMBJA SMBJCA NZ DZ. 111. 123. 1 162. 3.7 1.17 X SMBJ11A SMBJ11CA PE EE 11. 122. 135. 1 177. 3.4 1.17 X SMBJ12A SMBJ12CA PG EG 12. 133. 147. 1 193. 3.1 1.18 X SMBJ13A SMBJ13CA PK EK 13. 144. 159. 1 29. 2.9 1.18 X SMBJ15A SMBJ15CA PM EM 15. 167. 185. 1 243. 2.5 1.18 X SMBJ16A SMBJ16CA PP EP 16. 178. 197. 1 259. 2.3 1.18 X SMBJ17A SMBJ17CA PR ER 17. 189. 29. 1 275. 2.2 1.18 X SMBJ18A SMBJ18CA PT ET 18. 21. 222. 1 292. 2.1 1.18 X SMBJ188A SMBJ188CA PB EB 188. 29. 231. 1 34. 2. 1.11 X SMBJ2A SMBJ2CA PV EV 2. 224. 247. 1 324. 1.9 1.11 X SMBJ22A SMBJ22CA PX EX 22. 246. 272. 1 356. 1.7 1.11 X SMBJ25A SMBJ25CA PZ EZ 25. 279. 39. 1 45. 1.5 1.11 X SMBJ3A* SMBJ3CA* QE FE 3. 335. 371. 1 486. 1.3 1.112 SMBJ35A* SMBJ35CA* QG FG 35. 391. 432. 1 567. 1.1 1.112 SMBJ4A* SMBJ4CA* QK FK 4. 447. 494. 1 648..9 1.112 SMBJ44A* SMBJ44CA* QM FM 44. 492. 543. 1 713..9 1.112 For bidirectional type having V R of 1 volts and less, the I R limit is double. Components marked with * use stacked-die, therefore they have a higher surge capability (typical 1.8*I PP.
I-V Curve Characteristics Uni-directional Bi-directional Ipp Vc VBR VR IR IT VF V Vc VBR VR IT IR IR IT VRVBR Vc V Ipp Ipp P PPM Peak Pulse Power Dissipation -- Max power dissipation V R Stand-off Voltage -- voltage that can be applied to the TVS without operation V BR Breakdown Voltage -- voltage that flows though the TVS at a specified test current (I T V C Clamping Voltage -- Peak voltage measured across the TVS at a specified I PPM (peak impulse current I R V F Reverse Leakage Current -- Current measured at V R Forward Voltage Drop for Uni-directional Ratings and Characteristic Curves (T A =25 C unless otherwise noted Figure 1 - TVS Transients Clamping Waveform Figure 2 - Peak Pulse Power Rating Voltage Transients TJ initial = T AMB Voltage or Current Voltage Across TVS Current Through TVS P PPM -Peak Pulse Power (kw 1 1 Single die,6w at 1/µs, 25 C stacked-die, 8W at 1/µs, 25 C.1.1.1.1 1 1 Time t d -Pulse Width (ms continues on next page.
Ratings and Characteristic Curves (T A =25 C unless otherwise noted (Continued Figure 3 - Peak Pulse Power Derating Curve Figure 4 - Pulse Waveform Peak Pulse Power (P PP or Current (I PP Derating in Percentage % 8 6 4 2 25 5 75 125 15 175 T J - Initial Junction Temperature (ºC I PPM - Peak Pulse Current, % I RSM 15 5 td tr=1µsec Peak Value IPPM Half Value IPPM 2 IPPM ( TJ=25 C Pulse Width(td is defined as the point where the peak current decays to 5% of IPPM 1/µsec. Waveform as defined by R.E.A 1. 2. 3. 4. t-time (ms Figure 5 - Typical Junction Capacitance Figure 6 - Typical Transient Thermal Impedance Transient Thermal Impedance ( C/W 1 1.1.1.1.1 1 1 T -Pulse Duration (s P Figure 7 - Non-Repetitive Peak Forward Surge Current Uni-Directional Only Figure 8 - Peak Forward Voltage Drop vs Peak Forward Current (Typical Values I FSM - Peak Forward Surge Current (A 12 8 6 4 2 1 1 Number of Cycles at 6 Hz IF - Peak Forward Current(A. Single die 1. Stacked-die 1..1. 1. 2. 3. 4. 5. 6. 7. 8. 9. VF - Peak Forward Voltage(V
Temperature (T Transient Voltage Suppression Diodes Soldering Parameters Reflow Condition Pre Heat Physical Specifications Weight Case Polarity Terminal Lead free assembly - Temperature Min (T s(min 15 C - Temperature Max (T s(max 2 C - Time (min to max (t s 6 18 secs Average ramp up rate (Liquidus Temp (T A to peak T S(max to T A - Ramp-up Rate Reflow - Temperature (T A (Liquidus 217 C.3 ounce,.93 grams 3 C/second max 3 C/second max - Time (min to max (t s 6 15 seconds Peak Temperature (T P 26 +/-5 C Time within 5 C of actual peak Temperature (t p 2 4 seconds Ramp-down Rate 6 C/second max Time 25 C to peak Temperature (T P 8 minutes Max. Do not exceed 26 C JEDEC DO214AA. Molded plastic body over glass passivated junction Color band denotes cathode except Bidirectional Matte Tin-plated leads, Solderable per JESD22-B12 Dimensions DO-214AA (SMB J-Bend I A D E J Cathode Band (for Uni-directional products only B F G K L H C T P T L T s(max T s(min 25 C Dimensions t s Preheat t 25 C to Peak Environmental Specifications High Temp. Storage HTRB Temperature Cycling Inches Ramp-up Time (t t p JESD22-A13 JESD22-A18 JESD22-A14 t L Critical Zone T L to T P Ramp-down MSL JEDEC-J-STD-2, Level 1 H3TRB RSH JESD22-A11 JESD22-A111 Millimeters Min Max Min Max A.76.86 1.93 2.2 B.16.187 4.6 4.75 C.13.155 3.3 3.94 D.78.13 1.99 2.61 E.3.6.76 1.52 F -.8 -.23 G.25.22 5.21 5.59 H.6.12.152.35 I.89-2.26 - J.85-2.16 - K -.17-2.74 L.85-2.16 - Solder Pads (all dimensions in mm
Part Numbering System Part Marking System SMBJ XXX C A Cathode Band (for uni-directional products only 5% V BR VOLTAGE TOLERANCE F Littelfuse Logo SERIES V R VOLTAGE BI-DIRECTIONAL XX YMXXX Marking Code Trace Code Marking Y:Year Code M: Month Code XXX: Lot Code Packaging Part number Component Package Quantity Packaging Option Packaging Specification SMBJxxxXX DO-214AA 3 Tape & Reel - 12mm tape/13 reel EIA STD RS-481 Tape and Reel Specification.157 (4..47 (12. Cathode.315 (8..59 DIA (1.5 Cover tape.8 (2.2 Arbor Hole Dia. 13. (33 Dimensions are in inches (and millimeters..49 (12.5 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.