SMAJ Series e3 - Littelfuse

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)).

2 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 ). 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.

3 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. 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.

4 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. 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.

5 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. 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.

6 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. 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.

7 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. 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).

8 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. 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.

9 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. 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.

10 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. 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.