SMAJ12A

Transient Voltage Suppression Diodes Surface Mount – 400W > SMAJ series RoHS SMAJ Series Description The SMAJ series is designed specifically to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. Features typically less than 1.0ps from 0 Volts to VBR min less than 1μA R above 12V soldering: 260°C/40 seconds at terminals temperature coefficient capability ΔVBR = 0.1% x VBR@25°C x ΔT applications to optimize board space Agency Approvals AGENCY AGENCY FILE NUMBER E230531 Maximum Ratings and Thermal Characteristics (TA=25OC unless otherwise noted) Parameter Peak Pulse Power Dissipation at TA=25ºC by 10x1000μs waveform (Fig.1)(Note 1), (Note 2) Power Dissipation on infinite heat sink at TA=50OC Peak Forward Surge Current, 8.3ms Single Half Sine Wave (Note 3) Maximum Instantaneous Forward Voltage at 25A for Unidirectional only (Note 4) Operating Junction and Storage Temperature Range Typical Thermal Resistance Junction to Lead Typical Thermal Resistance Junction to Ambient Symbol PPPM PM(AV) IFSM VF TJ , TSTG RuJL RuJA Value 400 3.3 40 3.5V/6.5 -65 to 150 30 120 Unit W W A V °C °C/W °C/W capability at 10 x 1000μs waveform, repetition rate (duty cycle): 0.01% Underwriters Laboratory Flammability 94V-O Plated Applications TVS devices are ideal for the protection of I/O Interfaces, VCC bus and other vulnerable circuits used in Telecom, Computer, Industrial and Consumer electronic applications. Notes: 1. Non-repetitive current pulse, per Fig.3 and derated above TA=25ºC per Fig. 2. 2. Mounted on 5.0x5.0mm copper pad to each terminal. 3. Measured on 8.3ms single half sine wave or equivalent square wave for unidirectional device only. _ _ 4. VF < 3.5V for VBR < 200V and VF< 6.5V for VBR > 201V. ©2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to http://www.Littelfuse.com/series/SMAJ.html for current information. 7 Revision: January 09, 2009 SMAJ Series SMAJ Series Transient Voltage Suppression Diodes Surface Mount – 400W > SMAJ series Electrical Characteristics Part Number (Uni) SMAJ5.0A SMAJ6.0A SMAJ6.5A SMAJ7 .0A SMAJ7 .5A SMAJ8.0A SMAJ8.5A SMAJ9.0A SMAJ10A SMAJ11A SMAJ12A SMAJ13A SMAJ14A SMAJ15A SMAJ16A SMAJ17A SMAJ18A SMAJ20A SMAJ22A SMAJ24A SMAJ26A SMAJ28A SMAJ30A SMAJ33A SMAJ36A SMAJ40A SMAJ43A SMAJ45A SMAJ48A SMAJ51A SMAJ54A SMAJ58A SMAJ60A SMAJ64A SMAJ70A SMAJ75A SMAJ78A SMAJ85A SMAJ90A SMAJ100A SMAJ110A SMAJ120A SMAJ130A SMAJ150A SMAJ160A SMAJ170A SMAJ180A SMAJ200A SMAJ220A SMAJ250A SMAJ300A SMAJ350A SMAJ400A SMAJ440A Part Number (Bi) SMAJ5.0CA SMAJ6.0CA SMAJ6.5CA SMAJ7 .0CA SMAJ7 .5CA SMAJ8.0CA SMAJ8.5CA SMAJ9.0CA SMAJ10CA SMAJ11CA SMAJ12CA SMAJ13CA SMAJ14CA SMAJ15CA SMAJ16CA SMAJ17CA SMAJ18CA SMAJ20CA SMAJ22CA SMAJ24CA SMAJ26CA SMAJ28CA SMAJ30CA SMAJ33CA SMAJ36CA SMAJ40CA SMAJ43CA SMAJ45CA SMAJ48CA SMAJ51CA SMAJ54CA SMAJ58CA SMAJ60CA SMAJ64CA SMAJ70CA SMAJ75CA SMAJ78CA SMAJ85CA SMAJ90CA SMAJ100CA SMAJ110CA SMAJ120CA SMAJ130CA SMAJ150CA SMAJ160CA SMAJ170CA SMAJ180CA SMAJ200CA SMAJ220CA SMAJ250CA SMAJ300CA SMAJ350CA SMAJ400CA SMAJ440CA Marking UNI AE AG AK AM AP AR AT AV AX AZ BE BG BK BM BP BR BT BV BX BZ CE CG CK CM CP CR CT CV CX CZ RE RG RK RM RP RR RT RV RX RZ SE SG SK SM SP SR ST SV SX SZ TE TG TK TM BI WE WG WK WM WP WR WT WV WX WZ XE XG XK XM XP XR XT XV XX XZ YE YG YK YM YP YR YT YV YX YZ ZE ZG ZK ZM ZP ZR ZT ZV ZX ZZ VE VG VK VM VP VR VT VV VX VZ UE UG UK UM Reverse Stand off Voltage VR (Volts) 5.0 6.0 6.5 7 .0 7 .5 8.0 8.5 9.0 10.0 11.0 12.0 13.0 14.0 15.0 16.0 17 .0 18.0 20.0 22.0 24.0 26.0 28.0 30.0 33.0 36.0 40.0 43.0 45.0 48.0 51.0 54.0 58.0 60.0 64.0 70.0 75.0 78.0 85.0 90.0 100.0 110.0 120.0 130.0 150.0 160.0 170.0 180.0 200.0 220.0 250.0 300.0 350.0 400.0 440.0 Breakdown Voltage VBR (Volts) @ IT MIN 6.40 6.67 7 .22 7 .78 8.33 8.89 9.44 10.00 11.10 12.20 13.30 14.40 15.60 16.70 17 .80 18.90 20.00 22.20 24.40 26.70 28.90 31.10 33.30 36.70 40.00 44.40 47 .80 50.00 53.30 56.70 60.00 64.40 66.70 71.10 77 .80 83.30 86.70 94.40 100.00 111.00 122.00 133.00 144.00 167 .00 178.00 189.00 201.00 224.00 246.00 279.00 335.00 391.00 447 .00 492.00 MAX 07 .00 07 .37 7 .98 8.60 9.21 9.83 10.40 11.10 12.30 13.50 14.70 15.90 17 .20 18.50 19.70 20.90 22.10 24.50 26.90 29.50 31.90 34.40 36.80 40.60 44.20 49.10 52.80 55.30 58.90 62.70 66.30 71.20 73.70 78.60 86.00 92.10 95.80 104.00 111.00 123.00 135.00 147 .00 159.00 185.00 197 .00 209.00 222.00 247 .00 272.00 309.00 371.00 432.00 494.00 543.00 Test Current IT (mA) 10 10 10 10 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Maximum Maximum Maximum Agency Clamping Peak Reverse Approval Voltage VC Pulse Leakage IR @ Ipp Current Ipp @ VR (V) (A) (μA) 9.2 10.3 11.2 12.0 12.9 13.6 14.4 15.4 17 .0 18.2 19.9 21.5 23.2 24.4 26.0 27 .6 29.2 32.4 35.5 38.9 42.1 45.4 48.4 53.3 58.1 64.5 69.4 72.7 77 .4 82.4 87 .1 93.6 96.8 103.0 113.0 121.0 126.0 137 .0 146.0 162.0 177 .0 193.0 209.0 243.0 259.0 275.0 292.0 324.0 356.0 405.0 486.0 567 .0 648.0 713.0 43.5 38.8 35.7 33.3 31.0 29.4 27 .8 26.0 23.5 22.0 20.1 18.6 17 .2 16.4 15.4 14.5 13.7 12.3 11.3 10.3 9.5 8.8 8.3 7 .5 6.9 6.2 5.8 5.5 5.2 4.9 4.6 4.3 4.1 3.9 3.5 3.3 3.2 2.9 2.7 2.5 2.3 2.1 1.9 1.6 1.5 1.5 1.4 1.2 1.1 1.0 0.8 0.7 0.6 0.6 800 800 500 200 100 50 20 10 5 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X For bidirectional type having VRWM of 10 volts and less, the IR limit is double. For parts without A (VBR is ± 10% and VC is 5% higher than with A parts). SMAJ Series 8 Revision: January 09, 2009 ©2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to http://www.Littelfuse.com/series/SMAJ.html for current information. Transient Voltage Suppression Diodes Surface Mount – 400W > SMAJ series Ratings and Characteristic Curves (T =25°C unless otherwise noted) A 10 Peak Pulse Power (PPP) or Current (IPP) Derating in Percentage % PPPM-Peak Pulse Power (kW) 100 80 60 1 40 20 0.2x0.2" (5.0x5.0mm) Copper Pad Area 0.1 0.000001 0 0.00001 0.0001 0.001 0 25 50 75 100 125 150 175 td-Pulse Width (sec.) TA-Ambient temperature (ºC) Figure 3 - Pulse Waveform 150 IPPM- Peak Pulse Current, % IRSM tr=10μsec Peak Value IPPM TJ=25°C Pulse Width(td) is defined as the point where the peak current decays to 50% of IPPM Figure 4 - Typical Junction Capacitance 10000 Bi-directional V=0V 100 1000 Uni-directional V=0V () 2 10/1000μsec. Waveform as defined by R.E.A Cj (pF) Half Value IPPM IPPM Uni-directional @VR 100 Bi-directional @VR 50 10 Tj=25ºC f=1.0MHz Vsig=50mVp-p 0 td 1 0 1.0 2.0 t-Time (ms) 3.0 4.0 1.0 10.0 100.0 1000.0 VBR - Reverse Breakdown Voltage (V) Figure 5 - Steady State Power Dissipation Derating Curve PM(AV), Steady State Power Dissipation (W) 1.2 Figure 6 - Maximum Non-Repetitive Forward Surge Current Uni-Directional Only 45 IFSM - Peak Forward Surve Current (A) 40 35 30 25 20 15 10 5 0 1 10 Number of Cycles at 60 Hz 100 1 0.8 0.6 0.4 0.2 0 0 25 50 75 100 125 150 TA - Ambient Temperature (ºC) 175 ©2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to http://www.Littelfuse.com/series/SMAJ.html for current information. 9 Revision: January 09, 2009 SMAJ Series SMAJ Series Figure 1 - Peak Pulse Power Rating Curve Figure 2 - Pulse Derating Curve Transient Voltage Suppression Diodes Surface Mount – 400W > SMAJ series Soldering Parameters Reflow Condition TP tp Ramp-up Critical Zone TL to TP - Temperature Min (Ts(min)) Pre Heat - Temperature Max (Ts(max)) - Time (min to max) (ts) Average ramp up rate (Liquidus Temp (TL) to peak TS(max) to TL - Ramp-up Rate Reflow - Temperature (TL) (Liquidus) - Time (min to max) (ts) 150°C 200°C Temperature (T) TL Ts(max) tL 3°C/second max 3°C/second max 217°C 260 +0/-5 Ramp-down Ts(min) ts Preheat 25˚C t 25˚C to Peak Time (t) Peak Temperature (TP) Time within 5°C of actual peak Temperature (tp) Ramp-down Rate Time 25°C to peak Temperature (TP) Do not exceed °C 6°C/second max 8 minutes Max. 280°C Physical Specifications Weight Case Polarity Terminal 0.002 ounce, 0.061 gram JEDEC DO-214AC Molded Plastic over glass passivated junction Color band denotes cathode except Bipolar Matte Tin-plated leads, Solderable per JESD22-B102D Environmental Specifications Temperature Cycle Pressure Cooker High Temp. Storage HTRB Thermal Shock JESD22-A104 JESD22-A102 JESD22-A103 JESD22-A108 JESD22-A106 Dimensions DO-214AC (SMA) Cathode Band Dimensions A B C D Inches Min 0.049 0.157 0.100 0.078 0.030 0.194 0.006 0.070 0.082 0.082 Max 0.065 0.177 0.110 0.090 0.060 0.008 0.208 0.012 0.090 - Millimeters Min 1.250 3.990 2.540 1.980 0.780 4.930 0.152 1.800 2.100 2.100 Max 1.650 4.500 2.790 2.290 1.520 0.203 5.280 0.305 2.300 ©2009 Littelfuse, Inc. A C B H D F G J K L E F G H I J K L E I SMAJ Series 10 Revision: January 09, 2009 Specifications are subject to change without notice. Please refer to http://www.Littelfuse.com/series/SMAJ.html for current information. Transient Voltage Suppression Diodes Surface Mount – 400W > SMAJ series Part Numbering System SMAJ XXX C A Part Marking System Cathode Band 5% VOLTAGE TOLERANCE BI-DIRECTIONAL VOLTAGE SERIES F Littelfuse Logo Marking Code Packaging Part number SMAJxxxXX Component Package DO-214AC Quantity 5000 Packaging Option Packaging Specification EIA RS-481 ©2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to http://www.Littelfuse.com/series/SMAJ.html for current information. 11 Revision: January 09, 2009 SMAJ Series SMAJ Series XXX