P4SMA Series RoHS Pb e3 Uni-directional Bi-directional Description The P4SMA series is designed specifically to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. Features 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 4 W Power Dissipation on Infinite Heat Sink at T L =5 O C P D 3.3 W Peak Forward Surge Current, 8.3ms Single Half Sine Wave (Note 3 I FSM 6 A Instantaneous Forward Voltage at 25A 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 3 C/W R θja 12 C/W Notes: 1. Non-repetitive current pulse, per Fig.4 and derated above T J (initial =25ºC per Fig. 3. 2. Mounted on 5.x5.mm copper pad to each terminal. 3. Measured on 8.3ms single half sine wave or equivalent square wave for unidirectional device only. 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 6W and please contact littelfuse for the detail stacked-die parts. Functional Diagram 4W 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 Optimized surface mount footprint for minimal PCB space impact Low profile package Typical failure mode due to exceeding maximum ratings is a short circuit condition Whisker test conducted based on Table 4a and 4c of JEDEC JESD21A 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: Applications 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% UL Recognized epoxy meeting flammability classification V- Meet MSL level1, per J-STD-2, LF 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 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 UNI BI MIN MAX Test Current I T (ma Clamping Voltage V C @ I pp (V Peak Pulse Current I pp (A Reverse Leakage I R @ V R (µa Temperature Coefficient of V BR (%/C P4SMA6.8A P4SMA6.8CA 6V8A 6V8C 5.8 6.45 7.14 1 1.5 39..41 X P4SMA7.5A P4SMA7.5CA 7V5A 7V5C 6.4 7.13 7.88 1 11.3 36.3 5.52 X P4SMA8.2A P4SMA8.2CA 8V2A 8V2C 7.2 7.79 8.61 1 12.1 33.9 2.58 X P4SMA9.1A P4SMA9.1CA 9V1A 9V1C 7.78 8.65 9.55 1 13.4 3.6 5.63 X P4SMA1A P4SMA1CA 1A 1C 8.55 9.5 1.5 1 14.5 28.3 1.66 X P4SMA11A P4SMA11CA 11A 11C 9.4 1.5 11.6 1 15.6 26.3 5.69 X P4SMA12A P4SMA12CA 12A 12C 1.2 11.4 12.6 1 16.7 24.6 5.71 X P4SMA13A P4SMA13CA 13A 13C 11.1 12.4 13.7 1 18.2 22.5 1.74 X P4SMA15A P4SMA15CA 15A 15C 12.8 14.3 15.8 1 21.2 19.3 1.76 X P4SMA16A P4SMA16CA 16A 16C 13.6 15.2 16.8 1 22.5 18.2 1.8 X P4SMA18A P4SMA18CA 18A 18C 15.3 17.1 18.9 1 25.5 16.1 1.83 X P4SMA2A P4SMA2CA 2A 2C 17.1 19. 21. 1 27.7 14.8 1.85 X P4SMA22A P4SMA22CA 22A 22C 18.8 2.9 23.1 1 3.6 13.4 1.88 X P4SMA24A P4SMA24CA 24A 24C 2.5 22.8 25.2 1 33.2 12.3 1.91 X P4SMA27A P4SMA27CA 27A 27C 23.1 25.7 28.4 1 37.5 1.9 1.92 X P4SMA3A P4SMA3CA 3A 3C 25.6 28.5 31.5 1 41.4 9.9 1.93 X P4SMA33A P4SMA33CA 33A 33C 28.2 31.4 34.7 1 45.7 9. 1.94 X P4SMA36A P4SMA36CA 36A 36C 3.8 34.2 37.8 1 49.9 8.2 1.96 X P4SMA39A P4SMA39CA 39A 39C 33.3 37.1 41. 1 53.9 7.6 1.97 X P4SMA43A P4SMA43CA 43A 43C 36.8 4.9 45.2 1 59.3 6.9 1.98 X P4SMA47A P4SMA47CA 47A 47C 4.2 44.7 49.4 1 64.8 6.3 1.99 X P4SMA51A P4SMA51CA 51A 51C 43.6 48.5 53.6 1 7.1 5.8 1. X P4SMA56A P4SMA56CA 56A 56C 47.8 53.2 58.8 1 77. 5.3 1.11 X P4SMA62A P4SMA62CA 62A 62C 53. 58.9 65.1 1 85. 4.8 1.12 X P4SMA68A P4SMA68CA 68A 68C 58.1 64.6 71.4 1 92. 4.5 1.13 X P4SMA75A P4SMA75CA 75A 75C 64.1 71.3 78.8 1 13. 4. 1.14 X P4SMA82A P4SMA82CA 82A 82C 7.1 77.9 86.1 1 113. 3.6 1.15 X P4SMA91A P4SMA91CA 91A 91C 77.8 86.5 95.5 1 125. 3.3 1.16 X P4SMAA P4SMACA A C 85.5 95. 15. 1 137. 3. 1.16 X P4SMA11A P4SMA11CA 11A 11C 94. 15. 116. 1 152. 2.7 1.17 X P4SMA12A P4SMA12CA 12A 12C 12. 114. 126. 1 165. 2.5 1.17 X P4SMA13A P4SMA13CA 13A 13C 111. 124. 137. 1 179. 2.3 1.17 X P4SMA15A P4SMA15CA 15A 15C 128. 143. 158. 1 27. 2. 1.18 X P4SMA16A P4SMA16CA 16A 16C 136. 152. 168. 1 219. 1.9 1.18 X P4SMA17A P4SMA17CA 17A 17C 145. 162. 179. 1 234. 1.8 1.18 X P4SMA18A P4SMA18CA 18A 18C 154. 171. 189. 1 246. 1.7 1.18 X P4SMA2A P4SMA2CA 2A 2C 171. 19. 21. 1 274. 1.5 1.18 X P4SMA22A P4SMA22CA 22A 22C 185. 29. 231. 1 328. 1.3 1.11 P4SMA25A - 25A - 214. 237. 263. 1 344. 1.2 1.11 P4SMA25CA* 25C 214. 237. 263. 1 344. 2.2 1.11 P4SMA3A - 3A - 256. 285. 315. 1 414. 1. 1.11 P4SMA3CA* 3C 256. 285. 315. 1 414. 1.8 1.11 P4SMA35A* P4SMA35CA* 35A 35C 3. 332. 368. 1 482..9 1.112 P4SMA4A* P4SMA4CA* 4A 4C 342. 38. 42. 1 548..8 1.112 P4SMA44A* P4SMA44CA* 44A 44C 376. 418. 462. 1 62..7 1.112 P4SMA48A* P4SMA48CA* 48A 48C 48. 456. 54. 1 658..6 1.112 P4SMA51A* P4SMA51CA* 51A 51C 434. 485. 535. 1 698..6 1.112 P4SMA53A* P4SMA53CA* 53A 53C 451. 53.5 556.5 1 725..6 1.112 P4SMA54A* P4SMA54CA* 54A 54C 46. 513. 567. 1 74..5 1.112 P4SMA55A* P4SMA55CA* 55A 55C 468. 522.5 577.5 1 76..5 1.112 For bidirectional type having V R of 1 volts and less, the I R limit is double. For parts without A, the V BR is ± 1% and V C is 5% higher than with A parts Agency Approval
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 Ippm (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 TJ initial = Tamb Voltage or Current Voltage Across TVS Current Through TVS P PPM -Peak Pulse Power (kw 1 1 Single die,4w at 1/µs, 25 C stacked-die, 6W at 1/µs, 25 C.1.1.1.1 1 1 t d -Pulse Width (ms 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=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 Cj (pf 1 1 Uni-direc onal V=V Uni/Bi-direc onal V=V R Bi-direc onal V=V 1 1 V BR - Reverse Breakdown Voltage (V Transient Thermal Impedance ( C/W 1 1.1.1.1.1 1 1 T -Pulse Duration (s P Figure 7 - Non-Repetitive Forward Surge Current Uni-Directional Only Figure 8 - Peak Forward Voltage Drop vs Peak Forward Current (Typical Values 7. IFSM - Peak Forward Surve Current (A 6 5 4 3 2 1 IF-Peak Forward Current (A 1. 1. Single die Stacked-die 1 1 Number of Cycles at 6 Hz.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 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 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 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-A13 t L Critical Zone T L to T P Ramp-down Physical Specifications HTRB JESD22-A18 Weight Case Polarity.2 ounce,.61 gram JEDEC DO-214AC. Molded plastic body over glass passivated junction Color band denotes positive end (cathode except bidirectional Temperature Cycling JESD22-A14 MSL JEDEC-J-STD-2, Level 1 H3TRB JESD22-A11 Terminal Matte Tin-plated leads, Solderable per JESD22-B12 RSH JESD22-A111 Dimensions DO-214AC (SMA Cathode Band (for uni-directional products only Dimensions Inches Millimeters Min Max Min Max A C A.49.65 1.25 1.65 B.157.181 3.99 4.6 B C.95.11 2.4 2.79 D.75.9 1.9 2.29 D E J F G K L H E.3.6.78 1.52 F -.8 -.23 G.189.28 4.8 5.28 H.6.12.152.35 I.7-1.8 - J.82-2. - I K -.9-2.3 L.82-2. - Solder Pads (all dimensions in mm
Part Numbering System Part Marking System P4SMA XXX C A 5% V BR VOLTAGE TOLERANCE BI-DIRECTIONAL V BR VOLTAGE SERIES F XX YMXXX Cathode Band (for uni-directional products only 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 P4SMAxxxXX DO-214AC 5 Tape & Reel - 12mm tape/13 reel EIA STD RS-481 Tape and Reel Specification.157 (4. Cathode.47 (12..157 (4..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.