SMAJ20A-AT

SMAJ-AT SERIES Transient Voltage Suppressors (TVS) Data Sheet Features ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ For surface mounted applications in order to optimize board space Low profile package Glass passivated junction Low inductance Excellent clamping capability 400W peak pulse power capability at 10/1000μs waveform, repetition rate (duty cycle): 0.01% Fast response time Typical IR less than 1μA above 10V High Temperature soldering: 260℃/10 seconds at terminals Plastic package has underwriters laboratory flammability 94V-0 Meets MSL level 1, per J-STD-020 Safety certification: UL: E244458 AEC-Q101 qualified IEC61000-4-2 ESD 30KV Air, 30KV contact compliance Mechanical Data ■ ■ ■ ■ ■ Case: JEDEC DO-214AC. Molded plastic over glass passivated junction Terminal: Tin plated, solderable per MIL-STD-750, Method 2026 Polarity: Color band denotes cathode except bi-directional models Standard Packaging: 12mm tape (EIA STD RS-481) Weight: 0.07g Applications ■ I/O interface ■ AC/DC power supply ■ Low frequency signal transmission line (RS232, RS485, etc.) Maximum Ratings and Characteristics Ratings at 25℃ ambient temperature unless otherwise specified. Rating Peak pulse power dissipation at 10/1000μs waveform (Note1, Note2, Fig.1) Symbol Value Units PPPM Minimum 400 Watts IPPM See Table Amps PM(AV) 3.3 Watts IFSM 40 Amps TJ,TSTG -55 to +150 ℃ Typical thermal resistance junction to lead RθJL 30 ℃/W Typical thermal resistance junction to ambient RθJA 120 ℃/W Peak pulse current of at 10/1000μs waveform (Note 1, Fig.3) Steady state power dissipation at TA=50℃ (Fig.5) Peak forward surge current, 8.3ms single half sine-wave superimposed on rated load, (JEDEC Method) (Note3, Fig.6) Operating junction and Storage Temperature Range. Notes: 1. Non-repetitive current pulse, per Fig.3 and derated above TA=25℃ per Fig.2. 2. Mounted on 5.0mm×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. Revision:TVS-SMAJ-AT SERIES-001(A2) 1/7 http://brightking.yageo.com SMAJ-AT SERIES Dimensions (SMA/DO-214AC) Millimeters Cathode Band D1 D L H1 H d Inches Symbol T1 T 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 0.76 1.52 0.030 0.060 d - 0.203 - 0.008 H 2.00 2.50 0.079 0.098 H1 1.98 2.29 0.078 0.090 Electrical Characteristics (TA=25℃) Part Number Device Marking Code Reverse Stand-Off Voltage Breakdown Voltage @IT Test Current Maximum Clamping Voltage @IPP Peak Pulse Current Reverse Leakage @VRWM Unidirectional Bidirectional UNI BI VRWM(V) VBR(V) IT(mA) VC(V) IPP(A) IR(μA) SMAJ5.0A-AT SMAJ5.0CA-AT AE WE 5.0 6.40~7.00 10 9.2 43.5 800 SMAJ6.0A-AT SMAJ6.0CA-AT AG WG 6.0 6.67~7.37 10 10.3 38.8 800 SMAJ6.5A-AT SMAJ6.5CA-AT AK WK 6.5 7.22~7.98 10 11.2 35.7 500 SMAJ7.0A-AT SMAJ7.0CA-AT AM WM 7.0 7.78~8.60 10 12.0 33.3 200 SMAJ7.5A-AT SMAJ7.5CA-AT AP WP 7.5 8.33~9.21 1 12.9 31.0 100 SMAJ8.0A-AT SMAJ8.0CA-AT AR WR 8.0 8.89~9.83 1 13.6 29.4 50 SMAJ8.5A-AT SMAJ8.5CA-AT AT WT 8.5 9.44~10.40 1 14.4 27.8 20 SMAJ9.0A-AT SMAJ9.0CA-AT AV WV 9.0 10.00~11.10 1 15.4 26.0 10 SMAJ10A-AT SMAJ10CA-AT AX WX 10.0 11.10~12.30 1 17.0 23.5 5 SMAJ11A-AT SMAJ11CA-AT AZ WZ 11.0 12.20~13.50 1 18.2 22.0 1 SMAJ12A-AT SMAJ12CA-AT BE XE 12.0 13.30~14.70 1 19.9 20.1 1 SMAJ13A-AT SMAJ13CA-AT BG XG 13.0 14.40~15.90 1 21.5 18.6 1 SMAJ14A-AT SMAJ14CA-AT BK XK 14.0 15.60~17.20 1 23.2 17.2 1 SMAJ15A-AT SMAJ15CA-AT BM XM 15.0 16.70~18.50 1 24.4 16.4 1 SMAJ16A-AT SMAJ16CA-AT BP XP 16.0 17.80~19.70 1 26.0 15.4 1 SMAJ17A-AT SMAJ17CA-AT BR XR 17.0 18.90~20.90 1 27.6 14.5 1 SMAJ18A-AT SMAJ18CA-AT BT XT 18.0 20.00~22.10 1 29.2 13.7 1 SMAJ20A-AT SMAJ20CA-AT BV XV 20.0 22.20~24.50 1 32.4 12.3 1 SMAJ22A-AT SMAJ22CA-AT BX XX 22.0 24.40~26.90 1 35.5 11.3 1 SMAJ24A-AT SMAJ24CA-AT BZ XZ 24.0 26.70~29.50 1 38.9 10.3 1 SMAJ26A-AT SMAJ26CA-AT CE YE 26.0 28.90~31.90 1 42.1 9.5 1 SMAJ28A-AT SMAJ28CA-AT CG YG 28.0 31.10~34.40 1 45.4 8.8 1 Revision:TVS-SMAJ-AT SERIES-001(A2) 2/7 http://brightking.yageo.com SMAJ-AT SERIES Part Number Device Marking Code Reverse Stand-Off Voltage Breakdown Voltage @IT Test Current Maximum Clamping Voltage @IPP Peak Pulse Current Reverse Leakage @VRWM Unidirectional Bidirectional UNI BI VRWM(V) VBR(V) IT(mA) VC(V) IPP(A) IR(μA) SMAJ30A-AT SMAJ30CA-AT CK YK 30.0 33.30~36.80 1 48.4 8.3 1 SMAJ33A-AT SMAJ33CA-AT CM YM 33.0 36.70~40.60 1 53.3 7.5 1 SMAJ36A-AT SMAJ36CA-AT CP YP 36.0 40.00~44.20 1 58.1 6.9 1 SMAJ40A-AT SMAJ40CA-AT CR YR 40.0 44.40~49.10 1 64.5 6.2 1 SMAJ43A-AT SMAJ43CA-AT CT YT 43.0 47.80~52.80 1 69.4 5.8 1 SMAJ45A-AT SMAJ45CA-AT CV YV 45.0 50.00~55.30 1 72.7 5.5 1 SMAJ48A-AT SMAJ48CA-AT CX YX 48.0 53.30~58.90 1 77.4 5.2 1 SMAJ51A-AT SMAJ51CA-AT CZ YZ 51.0 56.70~62.70 1 82.4 4.9 1 SMAJ54A-AT SMAJ54CA-AT RE ZE 54.0 60.00~66.30 1 87.1 4.6 1 SMAJ58A-AT SMAJ58CA-AT RG ZG 58.0 64.40~71.20 1 93.6 4.3 1 SMAJ60A-AT SMAJ60CA-AT RK ZK 60.0 66.70~73.70 1 96.8 4.1 1 SMAJ64A-AT SMAJ64CA-AT RM ZM 64.0 71.10~78.60 1 103.0 3.9 1 SMAJ70A-AT SMAJ70CA-AT RP ZP 70.0 77.80~86.00 1 113.0 3.5 1 SMAJ75A-AT SMAJ75CA-AT RR ZR 75.0 83.30~92.10 1 121.0 3.3 1 SMAJ78A-AT SMAJ78CA-AT RT ZT 78.0 86.70~95.80 1 126.0 3.2 1 SMAJ85A-AT SMAJ85CA-AT RV ZV 85.0 94.40~104.00 1 137.0 2.9 1 SMAJ90A-AT SMAJ90CA-AT RX ZX 90.0 100.00~111.00 1 146.0 2.7 1 SMAJ100A-AT SMAJ100CA-AT RZ ZZ 100.0 111.00~123.00 1 162.0 2.5 1 SMAJ110A-AT SMAJ110CA-AT SE VE 110.0 122.00~135.00 1 177.0 2.3 1 SMAJ120A-AT SMAJ120CA-AT SG VG 120.0 133.00~147.00 1 193.0 2.1 1 SMAJ130A-AT SMAJ130CA-AT SK VK 130.0 144.00~159.00 1 209.0 1.9 1 SMAJ150A-AT SMAJ150CA-AT SM VM 150.0 167.00~185.00 1 243.0 1.6 1 SMAJ160A-AT SMAJ160CA-AT SP VP 160.0 178.00~197.00 1 259.0 1.5 1 SMAJ170A-AT SMAJ170CA-AT SR VR 170.0 189.00~209.00 1 275.0 1.5 1 SMAJ180A-AT SMAJ180CA-AT ST VT 180.0 201.00~222.00 1 292.0 1.4 1 SMAJ190A-AT SMAJ190CA-AT SU YU 190.0 211.00~233.00 1 308.0 1.3 1 SMAJ200A-AT SMAJ200CA-AT SV VV 200.0 224.00~247.00 1 324.0 1.2 1 SMAJ210A-AT SMAJ210CA-AT SW YW 210.0 237.00~263.00 1 340.0 1.2 1 SMAJ220A-AT SMAJ220CA-AT GE VX 220.0 246.00~272.00 1 356.0 1.1 1 SMAJ250A-AT SMAJ250CA-AT SZ VZ 250.0 279.00~309.00 1 405.0 1.0 1 SMAJ300A-AT SMAJ300CA-AT TE UE 300.0 335.00~371.00 1 486.0 0.8 1 SMAJ350A-AT SMAJ350CA-AT TG UG 350.0 391.00~432.00 1 567.0 0.7 1 SMAJ400A-AT SMAJ400CA-AT TK UK 400.0 447.00~494.00 1 648.0 0.6 1 SMAJ440A-AT SMAJ440CA-AT TM UM 440.0 492.00~543.00 1 713.0 0.6 1 Revision:TVS-SMAJ-AT SERIES-001(A2) 3/7 http://brightking.yageo.com SMAJ-AT SERIES Ratings and Characteristic Curves (T A=25℃ unless otherwise noted) Figure 1. Peak Pulse Power Rating Curve Figure 2. Pulse Derating Curve Peak Pulse Power (PPP) or Current (IPP) Derating in Percentage % PPPM - Peak Pulse Power (kW) 10 1 0.2×0.2″(5.0×5.0mm) Copper Pad Area 0.1 1 10 100 100 80 60 40 20 0 1000 0 td-Pulse Width (µs) 75 100 125 150 175 Figure 4. Typical Junction Capacitance 10000 150 TJ=25℃ Pulse Width(td) is defined as the point where the peak current decays to 50% of IPPM tr=10µs Bi-directional V=0V 1000 Uni-directional V=0V Peak Value IPPM 100 Cj (pF) IPPM - Peak Pulse Current, %IRSM 50 TA-Ambient Temperature (℃) Figure 3. Pulse Waveform Half Value IPPM (IPPM/2) Uni-directional @VR 100 50 10/1000µs Waveform as defined by R.E.A 10 td 0 0 Bi-directional @VR TJ=25℃ f=1.0MHz Vsig=50mVp-p 1 1.0 2.0 3.0 1 4.0 t-Time (ms) IFSM - Peak Forward Surve Current (A) 3.0 2.4 1.8 1.2 0.6 0 25 50 75 100 125 150 175 1000 45 40 35 30 25 20 15 10 5 0 1 TA-Ambient Temperature (℃) Revision:TVS-SMAJ-AT SERIES-001(A2) 100 Figure 6. Maximum Non-Repetitive Forward Surge Current Uni-Directional Only 3.6 0 10 VBR-Reverse Breakdown Voltage (V) Figure 5. Steady State Power Dissipation Derating Curve PM(AV), Steady State Power Dissipation (W) 25 10 100 Number of Cycles at 60Hz 4/7 http://brightking.yageo.com SMAJ-AT SERIES Recommended Soldering Conditions Reflow Soldering Critical Zone TL to TP tP TP Ramp-up TL tL Temperature TS max TS min Ramp-down tS Preheat 25 t 25℃ to Peak Time Recommended Conditions Profile Feature Pb-Free Assembly Average ramp-up rate (TL to TP) 3℃/second max. Preheat -Temperature Min (TS min) -Temperature Max (TS max) -Time (min to max) (tS) 150℃ 200℃ 60-180 seconds TS max to TL -Ramp-up Rate 3℃/second max. Time maintained above: -Temperature (TL) -Time (tL) 217℃ 60-150 seconds Peak Temperature (TP) 260℃ Time within 5℃ Temperature (tP) Ramp-down Rate of actual Peak 6℃/second max. Time 25℃ to Peak Temperature Revision:TVS-SMAJ-AT SERIES-001(A2) 20-40 seconds 8 minutes max. 5/7 http://brightking.yageo.com SMAJ-AT SERIES Marking Code Cathode Band YXXX YXXX AE Logo WE Intermal Control Code Logo Marking Code Intermal Control Code Marking Code Part Number Code SMAJ XXX C A AT / XXXX Package code TR7: 7 inch reel package TR13: 13 inch reel package Internal Control Code 5% VBR Voltage Tolerance Bidirectional VRWM Voltage Series Code Ordering Code for Different Package 7 inch reel package: Add suffix “ /TR7” at the end of the part number, such as SMAJXXXCA-AT/TR7 13 inch reel package: Add suffix “ /TR13” at the end of the part number, such as SMAJXXXCA-AT/TR13 Revision:TVS-SMAJ-AT SERIES-001(A2) 6/7 http://brightking.yageo.com SMAJ-AT SERIES Packaging Tape P0 P1 P2 D0 B T E F W B0 D1 A A K0 B SECTION B-B Symbol Dimension (mm) W 12.00±0.20 P0 4.00±0.10 P1 4.00±0.10 P2 2.00±0.10 D0 Φ1.5±0.10 D1 Φ1.5±0.10 E 1.75±0.10 F 5.50±0.05 A0 2.79±0.10 B0 5.33±0.10 K0 2.55±0.15 T 0.25±0.05 D2 Φ178.0±2.0 D3 Φ50.0Min. D4 Φ13.0±0.5 W1 16.0±2.0 A0 SECTION A-A 7” Reel D4 D3 D2 W1 Quantity: 1000PCS 13” Reel D5 Φ330.0±2.0 D6 Φ13.5±0.5 H 2.5±1.0 W2 16.0±2.0 Quantity: 5000PCS Revision:TVS-SMAJ-AT SERIES-001(A2) 7/7 http://brightking.yageo.com