SMAJ Series e3 - Circuit Protection, Fuses, Thyristors ...

1 Transient Voltage Suppression Diodes Surface Mount 400W > smaj Series smaj Series RoHS Pb e3. Uni-directional Description The smaj Series is designed specifically to protect sensitive electronic equipment from voltage transients Bi-directional induced by lightning and other transient voltage events. Features 400W Peak pulse power Fast response time: capability at 10/1000 s typically less than waveform, repetition rate from 0 Volts to VBR min (duty cycle): Glass passivated junction Excellent clamping Low inductance Agency Approvals capability High temperature Typical IR less than 1 A to reflow soldering AGENCY AGENCY FILE NUMBER when VBR min>12V guaranteed: 260 C/40sec For surface mounted VBR @ TJ= VBR@25 C. E230531. applications to optimize x (1+ T x (TJ - 25)). Maximum Ratings and Thermal Characteristics board space ( T:Temperature (TA=25OC unless otherwise noted) Low profile package Coefficient, typical value Typical failure mode is is ).

2 Parameter Symbol Value Unit short from over-specified Plastic package is Peak Pulse Power Dissipation at voltage or current flammability rated TA=25 C by 10/1000 s Waveform PPPM 400 W V-0 per Underwriters ( )(Note 1), (Note 2), (Note 5) Whisker test is conducted based on JEDEC Laboratories Power Dissipation on Infinite Heat Sink at TL=50OC. PD W JESD201A per its table 4a Meet MSL level1, per and 4c J-STD-020, LF maximun Peak Forward Surge Current, peak of 260 C. Single Half Sine Wave (Note 3). IFSM 60 A IEC-61000-4-2 ESD. 30kV(Air), 30kV (Contact) Matte tin lead free Plated Maximum Instantaneous Forward Voltage at 25A for Unidirectional VF V ESD protection of data Halogen free and RoHS. Only (Note 4) lines in accordance with compliant Operating Temperature Range TJ -65 to 150 C IEC 61000-4-2 Pb-free E3 means 2nd Storage Temperature Range TSTG -65 to 175 C EFT protection of data level interconnect is Typical Thermal Resistance Junction lines in accordance with Pb-free and the terminal R JL 30 C/W.

3 IEC 61000-4-4. to Lead finish material is tin(Sn). Typical Thermal Resistance Junction Built-in strain relief (IPC/JEDEC J-STD- R JA 120 C/W. ). to Ambient Notes: Applications 1. Non-repetitive current pulse, per and derated above TJ (initial) =25 C per Fig. 3. 2. Mounted on copper pad to each terminal. TVS devices are ideal for the protection of I/O Interfaces, 3. Measured on single half sine wave or equivalent square wave for unidirectional VCC bus and other vulnerable circuits used in Telecom, device only. Computer, Industrial and Consumer electronic 4. VF < for single die parts and VF< for stacked-die parts. 5. The PPPM of stacked-die parts is 600W and please contact littelfuse for the detail applications. stacked-die parts. Functional Diagram Additional Infomarion Bi-directional Datasheet Resources Samples Cathode Anode Uni-directional 2015 Littelfuse, Inc.

4 Specifications are subject to change without notice. Revised: 11/20/15. Transient Voltage Suppression Diodes Surface Mount 400W > smaj Series Electrical Characteristics (T =25 C unless otherwise noted). A. Breakdown Test Maximum Maximum Reverse Maximum Agency Part Part Marking Voltage VBR Current Clamping Reverse Stand off Peak Pulse Approval Number Number Voltage VC Leakage IR. Voltage VR (Volts) @ IT IT Current Ipp (Uni) (Bi) @ Ipp @ VR. UNI BI (Volts) MIN MAX (mA) (A). (V) ( A). AE WE 10 800 X. AG WG 10 800 X. AK WK 10 500 X. AM WM 10 200 X. AP WP 1 100 X. AR WR 1 50 X. AT WT 1 20 X. AV WV 1 10 X. SMAJ10A SMAJ10CA AX WX 1 5 X. SMAJ11A SMAJ11CA AZ WZ 1 1 X. SMAJ12A SMAJ12CA BE XE 1 1 X. SMAJ13A SMAJ13CA BG XG 1 1 X. SMAJ14A SMAJ14CA BK XK 1 1 X. SMAJ15A SMAJ15CA BM XM 1 1 X.

5 SMAJ16A SMAJ16CA BP XP 1 1 X. SMAJ17A SMAJ17CA BR XR 1 1 X. SMAJ18A SMAJ18CA BT XT 1 1 X. SMAJ20A SMAJ20CA BV XV 1 1 X. SMAJ22A SMAJ22CA BX XX 1 1 X. SMAJ24A SMAJ24CA BZ XZ 1 1 X. SMAJ26A SMAJ26CA CE YE 1 1 X. SMAJ28A SMAJ28CA CG YG 1 1 X. SMAJ30A SMAJ30CA CK YK 1 1 X. SMAJ33A SMAJ33CA CM YM 1 1 X. SMAJ36A SMAJ36CA CP YP 1 1 X. SMAJ40A SMAJ40CA CR YR 1 1 X. SMAJ43A SMAJ43CA CT YT 1 1 X. SMAJ45A SMAJ45CA CV YV 1 1 X. SMAJ48A SMAJ48CA CX YX 1 1 X. SMAJ51A SMAJ51CA CZ YZ 1 1 X. SMAJ54A SMAJ54CA RE ZE 1 1 X. SMAJ58A SMAJ58CA RG ZG 1 1 X. SMAJ60A SMAJ60CA RK ZK 1 1 X. SMAJ64A SMAJ64CA RM ZM 1 1 X. SMAJ70A SMAJ70CA RP ZP 1 1 X. SMAJ75A SMAJ75CA RR ZR 1 1 X. SMAJ78A SMAJ78CA RT ZT 1 1 X. SMAJ85A SMAJ85CA RV ZV 1 1 X. SMAJ90A SMAJ90CA RX ZX 1 1 X. SMAJ100A SMAJ100CA RZ ZZ 1 1 X.

6 SMAJ110A SMAJ110CA SE VE 1 1 X. SMAJ120A SMAJ120CA SG VG 1 1 X. SMAJ130A SMAJ130CA SK VK 1 1 X. SMAJ150A SMAJ150CA SM VM 1 1 X. SMAJ160A SMAJ160CA SP VP 1 1 X. SMAJ170A SMAJ170CA SR VR 1 1 X. SMAJ180A SMAJ180CA ST VT 1 1. SMAJ200A SMAJ200CA SV VV 1 1. SMAJ220A SMAJ220CA SX VX 1 1. SMAJ250A SMAJ250CA SZ VZ 1 1. SMAJ300A SMAJ300CA TE UE 1 1. SMAJ350A SMAJ350CA TG UG 1 1. SMAJ400A SMAJ400CA TK UK 1 1. SMAJ440A SMAJ440CA TM UM 1 1. For bidirectional type having VR of 10 volts and less, the IR limit is double. For parts without A , the VBR is 10% and VC is 5% higher than with A parts 2015 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 11/20/15. Transient Voltage Suppression Diodes Surface Mount 400W > smaj Series I-V Curve Characteristics Uni-directional Bi-directional Ipp IT.

7 Vc VBR VR IR. Vc VBR VR V. V IR VR VBR Vc IR VF IT. IT. Ipp Ipp PPPM Peak Pulse Power Dissipation -- Max power dissipation VR Stand-off Voltage -- Maximum voltage that can be applied to the TVS without operation VBR Breakdown Voltage -- Maximum voltage that flows though the TVS at a specified test current (IT). VC Clamping Voltage -- Peak voltage measured across the TVS at a specified Ippm (peak impulse current). IR Reverse Leakage Current -- Current measured at VR. VF 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 Voltage Transients 100. TJ initial = Tamb PPPM-Peak Pulse Power (kW). Voltage Across TVS. 10. Voltage or Current stacked-die, 600W.

8 At 10x1000 s, 25 C. Current Through TVS. 1 Single die,400W. at 10x1000 s, 25 C. 1 10. td-Pulse Width (ms). Time continues on next page. 2015 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 11/20/15. Transient Voltage Suppression Diodes Surface Mount 400W > smaj Series Ratings and Characteristic Curves (T =25 C unless otherwise noted) (Continued) A. Figure 3 - Peak Pulse Power Derating Curve Figure 4 - Pulse Waveform 100 150. Peak Pulse Power (PPP) or Current (IPP). tr=10 sec TJ=25 C. IPPM- Peak Pulse Current, % IRSM. Pulse Width(td) is defined 80 as the point where the peak Derating in Percentage %. current decays to 50% of IPPM. Peak Value 100 IPPM. 60. Half Value 40. IPPM IPPM ( ) 2. 50 10/1000 sec. Waveform as defined by 20. 0 td 0 25 50 75 100 125 150 175 0.

9 0 TJ - Initial Junction Temperature ( C). t-Time (ms). Figure 5 - Typical Junction Capacitance Figure 6 - Typical Transient Thermal Impedance 10000 1000. Transient Thermal Impedance ( C/W). Uni-direc onal V=0V. 1000 100. Bi-direc onal V=0V. Cj (pF). 100 10. Uni/Bi-direc onal V=VR 1. 10. 1. 1 10 100 1000. 1 10 100 1000. TP - Pulse Duration (s). VBR - Reverse Breakdown Voltage (V). Figure 7 - Maximum Non-Repetitive Forward Surge Figure 8 - Peak Forward Voltage Drop vs Peak Forward Current Uni-Directional Only Current (Typical Values). 70 Single die 60. IFSM - Peak Forward Surve Current (A). I F- Peak Forward Current (A). 50 Stacked-die 40. 30. 20. 10. 0 1 10 100 Number of Cycles at 60 Hz VF - Peak Forward Voltage (V). 2015 Littelfuse, Inc. Specifications are subject to change without notice.

10 Revised: 11/20/15. Transient Voltage Suppression Diodes Surface Mount 400W > smaj Series Soldering Parameters Lead free Reflow Condition assembly tp TP. - Temperature Min (Ts(min)) 150 C Ramp-up Critical Zone TL to TP. Pre Heat - Temperature Max (Ts(max)) 200 C TL tL. Temperature (T). - Time (min to max) (ts) 60 180 secs Ts(max). Average ramp up rate (Liquidus Temp (TA) Ramp-down 3 C/second max Ts(min). to peak ts Preheat TS(max) to TA - Ramp-up Rate 3 C/second max - Temperature (TA) (Liquidus) 217 C 25 C. Reflow t 25 C to Peak - Time (min to max) (ts) 60 150 seconds Time (t). Peak Temperature (TP) 260+0/-5 C. Time within 5 C of actual peak 20 40 seconds Temperature (tp). Ramp-down Rate 6 C/second max Environmental Specifications Time 25 C to peak Temperature (TP) 8 minutes Max.)