SMA6L Series RoHS Pb e3 Uni-directional Description The SMA6L series is designed specifically to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. The SMA6L low profile package has the same power performance as the SMB package but with lowest height profiles (1.1mm in the industry. Features Agency Approvals AGENCY Maximum 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 /µs Waveform (Fig.2 (Note 1,2,3 Power Dissipation on Infinite Heat Sink at T L =5 O C Peak Forward Surge Current, 8.3ms Single Half Sine Wave (Note 4 Maximum Instantaneous Forward Voltage at 25A for Unidirectional Only P PPM 6 W P D 3 W I FSM 6 A V F 3.5 V Operating Temperature Range T J -65 to 15 Storage Temperature Range T STG -65 to 175 Typical Thermal Resistance Junction to Lead Typical Thermal Resistance Junction to Ambient AGENCY FILE NUMBER E23531 C C R θjl 35 C/W R θja 2 C/W Notes: 1. Non-repetitive current pulse, per Fig.4 and derated above T J (initial =25ºC per Fig. 3. Same power as standard SMB devices (6 W SMA low profile package: less than 1.1 mm Footprint compatibility with standard SMA and SMB products (easy to layout 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 Low inductance, excellent clamping capability Fast response time: typically less than 1.ns from Volts to V BR min Built-in strain relief Applications Glass passivated junction Typical IR < 1µA when VBR min > 12 V High temperature 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% UL Recognized compound meeting flammability rating V- 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 2 ND level interconnect is Pb-free and the terminal finish material is tin(sn (IPC/JEDEC J-STD- 69A.1 2. Mounted on 5.x5.mm copper pad to each terminal. 3. SMA6L15A~SMA6L25A Peak Pulse Power Dissipation by /μs Waveform (PPPM is 4W 4. Measured on 8.3ms single half sine wave or equivalent square wave for unidirectional device only. TVS components 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. Functional Diagram Bi-directional Additional Infomarion Cathode Anode Uni-directional Datasheet Resources Samples
Electrical Characteristics (T A =25 C unless otherwise noted Part Number (Uni Marking Code Reverse Stand off Voltage V R (Volts MIN Breakdown Voltage V BR (Volts @ I T MAX Test Current I T (ma Maximum Clamping Voltage V C @ I pp (V Maximum Peak Pulse Current I pp (A Maximum Reverse Leakage I R @ V R (µa SMA6L5.A AE 5. 6.4 7. 9.2 65.3 8 x SMA6L6.A AG 6. 6.67 7.37.3 58.3 8 x SMA6L6.5A AK 6.5 7.22 7.98 11.2 53.6 5 x SMA6L7.A AM 7. 7.78 8.6 12. 5. 2 x SMA6L7.5A AP 7.5 8.33 9.21 1 12.9 46.6 x SMA6L8.A AR 8. 8.89 9.83 1 13.6 44.2 5 x SMA6L8.5A AT 8.5 9.44.4 1 14.4 41.7 2 x SMA6L9.A AV 9.. 11. 1 15.4 39. x SMA6LA AX. 11. 12.3 1 17. 35.3 5 x SMA6L11A AZ 11. 12.2 13.5 1 18.2 33. 1 x SMA6L12A BE 12. 13.3 14.7 1 19.9 3.2 1 x SMA6L13A BG 13. 14.4 15.9 1 21.5 28. 1 x SMA6L14A BK 14. 15.6 17.2 1 23.2 25.9 1 x SMA6L15A BM 15. 16.7 18.5 1 24.4 24.6 1 x SMA6L16A BP 16. 17.8 19.7 1 26. 23.1 1 x SMA6L17A BR 17. 18.9 2.9 1 27.6 21.8 1 x SMA6L18A BT 18. 2. 22. 1 29.2 2.6 1 x SMA6L2A BV 2. 22.2 24.5 1 32.4 18.6 1 x SMA6L22A BX 22. 24.4 26.9 1 35.5 16.9 1 x SMA6L24A BZ 24. 26.7 29.5 1 38.9 15.5 1 x SMA6L26A CE 26. 28.9 31.9 1 42.1 14.3 1 x SMA6L28A CG 28. 31. 34.4 1 45.4 13.3 1 x SMA6L3A CK 3. 33.3 36.8 1 48.4 12.4 1 x SMA6L33A CM 33. 36.7 4.6 1 53.3 11.3 1 x SMA6L36A CP 36. 4. 44.2 1 58.1.4 1 x SMA6L4A CR 4. 44.4 49. 1 64.5 9.3 1 x SMA6L43A CT 43. 47.8 52.8 1 69.4 8.7 1 x SMA6L45A CV 45. 5. 55.3 1 72.7 8.3 1 x SMA6L48A CX 48. 53.3 58.9 1 77.4 7.8 1 x SMA6L51A CZ 51. 56.7 62.7 1 82.4 7.3 1 x SMA6L54A RE 54. 6. 66.3 1 87.1 6.9 1 x SMA6L58A RG 58. 64.4 71.2 1 93.6 6.5 1 x SMA6L6A RK 6. 66.7 73.7 1 96.8 6.2 1 x SMA6L64A RM 64. 71. 78.6 1 3. 5.9 1 x SMA6L7A RP 7. 77.8 86. 1 113. 5.3 1 x SMA6L75A RR 75. 83.3 92. 1 121. 5. 1 x SMA6L78A RT 78. 86.7 95.8 1 126. 4.8 1 x SMA6L85A RV 85. 94.4 4. 1 137. 4.4 1 x SMA6L9A RX 9.. 111. 1 146. 4.2 1 x SMA6LA RZ. 111. 123. 1 162. 3.7 1 x SMA6L 1A SE 1. 122. 135. 1 177. 3.4 1 x SMA6L12A SG 12. 133. 147. 1 193. 3.2 1 x SMA6L 13A SK 13. 144. 159. 1 29. 2.9 1 x SMA6L15A SM 15. 167. 185. 1 243. 1.65 1 x SMA6L16A SP 16. 178. 197. 1 259. L55 1 x SMA6L17A SR 17. 189. 29. 1 275. 1.5 1 x SMA6L18A ST 18. 21. 222. 1 292. 1.4 1 x SMA6L185A SU 185. 29. 231. 1 33. 1.4 1 x SMA6L2A SV 2. 224. 247. 1 324. 1.25 1 x SMA6L215A SW 215. 237. 263. 1 344. 1.17 1 x SMA6L22A SX 22. 246. 272. 1 356. 1.13 1 x SMA6L25A SZ 25. 279. 39. 1 45..95 1 x Agency Approval
I-V Curve Characteristics Uni-directional Vc VBR VR IR IT VF V Ipp P PPM Peak Pulse Power Dissipation -- Max power dissipation V R Stand-off Voltage -- Maximum voltage that can be applied to the TVS without operation V BR Breakdown Voltage -- Maximum 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 Curve Voltage Transients Voltage or Current Voltage Across TVS Current Through TVS P PPM -Peak Pulse Power (kw 1.2x.2" (5.x5.mm Copper Pad Area.1.1.1.1.1 t d -Pulse Width (sec. Time 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=µsec 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 /µsec. Waveform as defined by R.E.A 1. 2. 3. 4. t-time (ms Figure 5 - Typical Junction Capacitance Figure 6 - Maximum Non-Repetitive Forward Surge Current Uni-Directional Only 8 Cj (pf Uni-directional @V R Uni-directional V=V Tj=25ºC f=1.mhz Vsig=5mVp-p 1 1.... V BR - Reverse Breakdown Voltage (V IFSM - Peak Forward Surve Current(A 7 6 5 4 3 2 1 Number of Cycles at 6 Hz Figure 7 - Peak Forward Voltage Drop vs Peak Forward Current (typical values IF - Peak Forward Current(A 1.1.1 1 2 3 4 5 6 V F -Peak Forward Voltage(V
Temperature (T Soldering Parameters Reflow Condition Pre Heat 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 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 Ramp-down Rate Time 25 C to peak Temperature (T P Do not exceed 26 C 2 4 seconds 6 C/second max 8 minutes Max. T P T L T s(max T s(min 25 C t s Preheat t 25 C to Peak Environmental Specifications High Temp. Storage Ramp-up Time (t t p JESD22-A3 t L Critical Zone T L to T P Ramp-down Physical Specifications HTRB JESD22-A8 Weight Case Polarity.2 ounce,.32 gram JEDEC DO-221AC Molded Plastic over glass passivated junction Color band denotes cathode except Bipolar Temperature Cycling JESD22-A4 MSL JEDEC-J-STD-2, Level 1 H3TRB JESD22-A1 Terminal Matte Tin-plated leads, Solderable per JESD22-B2 RSH JESD22-A111 Dimensions Cathode Band C Dimensions Inches Millimeters Min Max Min Max A.156.181 3.95 4.6 A B B.189.22 4.8 5.6 C.49.69 1.25 1.75 G E E F D D.88.116 2.25 2.95 E.3.59.75 1.5 F.5..125.25 G.35.43.9 1. 3.12 (.123 1.2 (.47 1.52 (.6 Mounting Pad Layout
Part Numbering System SMA6L xx A Part Marking System Cathode Band SERIES 5% V BR VOLTAGE TOLERANCE V R VOLTAGE F XX YMXXX 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 SMA6LxxA DO-221AC 3 Tape & Reel 12mm/7 tape EIA RS-481 Tape and Reel Specification.157 (4..47 (12. Cathode.157 (4..59 DIA (1.5 Cover tape.8 (2.2 Arbor Hole Dia. 7. (178 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.