东沃电子 DOWOSEMI SMAJ SERIES DATA SHEET TRANSIENT VOLTAGE SUPPRESSORS – SMAJ SERIES FEATURE For surface mounted applications in order to optimize board space. Low profile package. Built-in strain relief. Glass passivated junction. Low inductance. SMA/DO-214AC Excellent clamping capability. Repetition Rate (duty cycle):0.01%. Fast response time: typically less than 1.0ps from 0 Volts to VBR for unidirectional types. Typical IR less than 1μA above 10V. High Temperature soldering: 260°C/10 seconds at terminals. Plastic package has Underwriters Laboratory Flammability 94V-O. MECHANICAL DATE Case: JEDEC DO214AC. Molded plastic over glass passivated junction. Terminal: Solder plated, solderable per MIL-STD-750, Method 2026. Polarity: Color band denoted positive end (cathode) except Bidirectional. Standard Packaging: 12mm tape (EIA STD RS-481). Weight: 0.002 ounce, 0.061 grams. DEVICES FOR BIPOLAR APPLICATION For bidirectional use C or CA suffix for types SMAJ5.0 thru types SMAJ440 (e.g.SMAJ5.0CA, SMAJ440CA), electrical characteristics apply in both directions. MAXIMUM RATINGS AND CHARACTERISTICS Ratings at 25ć ambient temperature unless otherwise specified. RATING SYMBOL VALUE UNITS Peak Pulse Power Dissipation on 10/1000ȝs waveform (Note1,Note2, Fig.1). PPPM Minimum 400 Watts Peak Pulse Current of on 10/1000ȝs waveform.(Note1,Fig.3) IPPM See Table Amps Steady State Power Dissipation at TL =75ć,Lead lengths.375”, (9.5mm) (Note2,Fig.5). PM(AV) 3.3 Watts Peak Forward Surge Current,8.3ms Single Half Sine-Wave Superimposed on Rated Load, (JEDEC Method) (Note 3,Fig.6). IFSM 40 Amps TJ , TSTG -65 to +150 ć Operating junction and Storage Temperature Range. Notes: 1. Non-repetitive current pulse, per Fig. 3 and derated above TA = 25ć per Fig. 2. 2. Mounted on 5.0mm x 5.0mm (0.03mm thick) Copper Pads to each terminal. 3. 8.3ms single half sine-wave, or equivalent square wave, Duty cycle = 4 pulses per minutes maximum. www.dowosemi.com 东沃电子 DOWOSEMI SMAJ SERIES DIMENSIONS t Cathode Band s D1 D d T1 T L SMA/DO-214AC Millimeters Item Inches Min. Max. Min. Max. L 3.99 4.50 0.157 0.177 D 2.54 2.79 0.100 0.110 D1 1.25 1.65 0.049 0.065 T 4.93 5.28 0.194 0.208 T1 0.78 1.52 0.030 0.060 d - 0.203 - 0.008 s 1.98 2.29 0.078 0.090 t 0.152 0.305 0.006 0.012 ELECTRICAL CHARACTERISTICS Part Number Device Reverse Breakdown Breakdown Marking Stand-Off Voltage Voltage Code Voltage NIN.@IT MAX.@IT Test Current Maximum Peak Reverse Clamping Pulse Leakage Voltage @IPP Current @VRWM UNT-POLAR BI-POLAR UNI BI VRWM(V) VBR MIN.(V) VBR MAX.(V) IT(mA) VC(V) IPP(A) IR(ȝA) SMAJ5.0A SMAJ5.0CA AE WE 5.0 6.40 7.00 10 9.2 43.5 800 SMAJ6.0A SMAJ6.0CA AG WG 6.0 6.67 7.37 10 10.3 38.8 800 SMAJ6.5A SMAJ6.5CA AK WK 6.5 7.22 7.98 10 11.2 35.7 500 SMAJ7.0A SMAJ7.0CA AM WM 7.0 7.78 8.60 10 12.0 33.3 200 SMAJ7.5A SMAJ7.5CA AP WP 7.5 8.33 9.21 1 12.9 31.0 100 SMAJ8.0A SMAJ8.0CA AR WR 8.0 8.89 9.83 1 13.6 29.4 50 SMAJ8.5A SMAJ8.5CA AT WT 8.5 9.44 10.40 1 14.4 27.8 20 SMAJ9.0A SMAJ9.0CA AV WV 9.0 10.00 11.10 1 15.4 26.0 10 SMAJ10A SMAJ10CA AX WX 10.0 11.10 12.30 1 17.0 23.5 5 SMAJ11A SMAJ11CA AZ WZ 11.0 12.20 13.50 1 18.2 22.0 1 SMAJ12A SMAJ12CA BE XE 12.0 13.30 14.70 1 19.9 20.1 1 SMAJ13A SMAJ13CA BG XG 13.0 14.40 15.90 1 21.5 18.6 1 SMAJ14A SMAJ14CA BK XK 14.0 15.60 17.20 1 23.2 17.2 1 SMAJ15A SMAJ15CA BM XM 15.0 16.70 18.50 1 24.4 16.4 1 SMAJ16A SMAJ16CA BP XP 16.0 17.80 19.70 1 26.0 15.4 1 SMAJ17A SMAJ17CA BR XR 17.0 18.90 20.90 1 27.6 14.5 1 SMAJ18A SMAJ18CA BT XT 18.0 20.00 22.10 1 29.2 13.7 1 SMAJ20A SMAJ20CA BV XV 20.0 22.20 24.50 1 32.4 12.3 1 www.dowosemi.com 东沃电子 DOWOSEMI SMAJ SERIES ELECTRICAL CHARACTERISTICS Part Number Device Reverse Breakdown Breakdown Marking Stand-Off Voltage Voltage Code Voltage NIN.@IT MAX.@IT Test Current Maximum Peak Reverse Clamping Pulse Leakage Voltage @IPP Current @VRWM UNT-POLAR BI-POLAR UNI BI VRWM(V) VBR MIN.(V) VBR MAX.(V) IT(mA) VC(V) IPP(A) IR(ȝA) SMAJ22A SMAJ22CA BX XX 22.0 24.40 26.90 1 35.5 11.3 1 SMAJ24A SMAJ24CA BZ XZ 24.0 26.70 29.50 1 38.9 10.3 1 SMAJ26A SMAJ26CA CE YE 26.0 28.90 31.90 1 42.1 9.5 1 SMAJ28A SMAJ28CA CG YG 28.0 31.10 34.40 1 45.4 8.8 1 SMAJ30A SMAJ30CA CK YK 30.0 33.30 36.80 1 48.4 8.3 1 SMAJ33A SMAJ33CA CM YM 33.0 36.70 40.60 1 53.3 7.5 1 SMAJ36A SMAJ36CA CP YP 36.0 40.00 44.20 1 58.1 6.9 1 SMAJ40A SMAJ40CA CR YR 40.0 44.40 49.10 1 64.5 6.2 1 SMAJ43A SMAJ43CA CT YT 43.0 47.80 52.80 1 69.4 5.8 1 SMAJ45A SMAJ45CA CV YV 45.0 50.00 55.30 1 72.7 5.5 1 SMAJ48A SMAJ48CA CX YX 48.0 53.30 58.90 1 77.4 5.2 1 SMAJ51A SMAJ51CA CZ YZ 51.0 56.70 62.70 1 82.4 4.9 1 SMAJ54A SMAJ54CA RE ZE 54.0 60.00 66.30 1 87.1 4.6 1 SMAJ58A SMAJ58CA RG ZG 58.0 64.40 71.20 1 93.6 4.3 1 SMAJ60A SMAJ60CA RK ZK 60.0 66.70 73.70 1 96.8 4.1 1 SMAJ64A SMAJ64CA RM ZM 64.0 71.10 78.60 1 103.0 3.9 1 SMAJ70A SMAJ70CA RP ZP 70.0 77.80 86.00 1 113.0 3.5 1 SMAJ75A SMAJ75CA RR ZR 75.0 83.30 92.10 1 121.0 3.3 1 SMAJ78A SMAJ78CA RT ZT 78.0 86.70 95.80 1 126.0 3.2 1 SMAJ85A SMAJ85CA RV ZV 85.0 94.40 104.00 1 137.0 2.9 1 SMAJ90A SMAJ90CA RX ZX 90.0 100.00 111.00 1 146.0 2.7 1 SMAJ100A SMAJ100CA RZ ZZ 100.0 111.00 123.00 1 162.0 2.5 1 SMAJ110A SMAJ110CA SE VE 110.0 122.00 135.00 1 177.0 2.3 1 SMAJ120A SMAJ120CA SG VG 120.0 133.00 147.00 1 193.0 2.1 1 SMAJ130A SMAJ130CA SK VK 130.0 144.00 159.00 1 209.0 1.9 1 SMAJ150A SMAJ150CA SM VM 150.0 167.00 185.00 1 243.0 1.6 1 SMAJ160A SMAJ160CA SP VP 160.0 178.00 197.00 1 259.0 1.5 1 SMAJ170A SMAJ170CA SR VR 170.0 189.00 209.00 1 275.0 1.5 1 SMAJ180A SMAJ180CA ST VT 180.0 201.00 222.00 1 292.0 1.4 1 SMAJ190A SMAJ190CA SU YU 190.0 211.00 233.00 1 308.0 1.3 1 SMAJ200A SMAJ200CA SV VV 200.0 224.00 247.00 1 324.0 1.2 1 SMAJ210A SMAJ210CA SW YW 210.0 237.00 263.00 1 340.0 1.2 1 SMAJ220A SMAJ220CA GE VX 220.0 246.00 272.00 1 356.0 1.1 1 SMAJ250A SMAJ250CA SZ VZ 250.0 279.00 309.00 1 405.0 1.0 1 SMAJ300A SMAJ300CA TE UE 300.0 335.00 371.00 1 486.0 0.8 1 SMAJ350A SMAJ350CA TG UG 350.0 391.00 432.00 1 567.0 0.7 1 SMAJ400A SMAJ400CA TK UK 400.0 447.00 494.00 1 648.0 0.6 1 SMAJ440A SMAJ440CA TM UM 440.0 492.00 543.00 1 713.0 0.6 1 Notes: For bidirectional type having VRWM of 10 volts and less, the IR limit is double. www.dowosemi.com 东沃电子 DOWOSEMI SMAJ SERIES RATINGS AND CHARACTERISTIC CURVES Figure 1 - Peak Pulse Power Rating Curve (TA=25ć unless otherwise noted) Figure 2 - Pulse Derating Curve 100 Peak Pulse Power (PPP) or Current (IPP) Derating in Percentage % PPPM-Peak Pulse Power (kW) 10 1 0.2x0.2" (5.0x5.0mm) Copper Pad Area 0.1 0.000001 80 60 40 20 0 0.00001 0.0001 0.001 0 25 td-Pulse Width (sec.) 50 75 100 125 150 175 TA-Ambient temperature (ºC) Figure 4 - Typical Junction Capacitance Figure 3 - Pulse Waveform tr=10μsec TJ=25°C Pulse Width(td) is defined as the point where the peak current decays to 50% of IPPM Peak Value IPPM 100 10000 Bi-directional V=0V 1000 Half Value IPPM IPPM Cj (pF) IPPM- Peak Pulse Current, % IRSM 150 ( ) 2 50 10 Tj=25ºC f=1.0MHz Vsig=50mVp-p td 1 1.0 0 Uni-directional @VR 100 Bi-directional @VR 10/1000μsec. Waveform as defined by R.E.A 0 Uni-directional V=0V 2.0 3.0 1.0 4.0 Figure 5 - Steady State Power Dissipation Derating Curve 100.0 1000.0 Figure 6 - Maximum Non-Repetitive Forward Surge Current Uni-Directional Only 1.2 45 IFSM - Peak Forward Surve Current (A) PM(AV), Steady State Power Dissipation (W) 10.0 VBR - Reverse Breakdown Voltage (V) t-Time (ms) 1 0.8 0.6 0.4 0.2 0 0 25 50 75 100 125 150 TA - Ambient Temperature (ºC) 175 40 35 30 25 20 15 10 5 0 1 10 100 Number of Cycles at 60 Hz www.dowosemi.com