1SMA4737A

1SMA4728A THRU 1SMA4777A Zener Voltage - 3.3 to 330 Volts Peak Pulse Power - 1.0 W ZENER DIODES Features DO-214AC/SMA  For surface mounted applications in order to optimize board space  Low profile package  Built-in strain relief  Glass passivated junction  Low inductance 0.110(2.80) 0.094(2.40) 0.067 (1.70) 0.051 (1.30)  Typical IR less than 5.0μA above 11V 0.177(4.50) 0.157(3.99)  High temperature soldering guaranteed: 0.012(0.305) 0.006(0.152) 260°C / 10 seconds at terminals 0.096(2.42) 0.078(1.98)  Plastic package has Underwriters Laboratory Flammability Classification 94V-0 0.060(1.52) 0.030(0.76) 0.008(0.203)MAX. 0.208(5.30) 0.188(4.80) Mechanical Data Case : JEDEC DO-214AC/SMA Molded plastic body Terminals : Solder plated, solderable per MIL-STD-750,Method 2026 Polarity : Polarity symbol marking on body Mounting Position : Any Weight : 0.0019ounce, 0.055grams Dimensions in inches and (millimeters) Standard packing : 12mm tape(E1A-481) Maximum Ratings And Electrical Characteristics Ratings at 25 C ambient temperature unless otherwise specified. MDD Catalog Number Peak Power Dissipation at TA=50OC, Derate above 50 OC (Note 1) Peak Forward Surge Current, 8.3 ms Single Half Sine-wave Superimposed on Rated Load (JEDEC method) (Note 2) Forward Voltage Operating and Storage Temperature Range SYMBOLS VALUE UNITS PD 1.0 6.67 Watts mW/ OC IFSM 10.0 A VF 1.2 V TJ, TSTG -55 to + 150 O C Notes: 1. Mounted on 5.0mm2 (0.013mm thick) land areas. 2. Measured on 8.3ms Single Half Sine-wave or Equivalent Square Wave, Duty Cycle=4 Pulses Per Minute Maximum. http://www.microdiode.com Rev:2024A1 Page :1 1SMA4728A THRU 1SMA4777A Zener Voltage - 3.3 to 330 Volts Peak Pulse Power - 1.0 W Ratings And Characteristic Curves Dynamic Impedance Zener Voltage Range （1） Type Marking Min（V） Nom（V） 1SMA4728A 728A 3.10 3.3 1SMA4729A 729A 3.40 1SMA4730A 730A 1SMA4731A V ZT（at I ZT） Reverse Current Admissible Zener Current I ZT Z ZT（at I ZT） IR at V R Max（V） (mA) Max (Ω) Max（μA） （V） I ZM (mA) 3.50 75 10 100 1 285 3.6 3.80 69 10 100 1 263 3.70 3.9 4.10 64 9.0 50 1 243 731A 4.06 4.3 4.56 58 9.0 25 1 219 1SMA4732A 732A 4.50 4.7 4.93 53 8.0 10 1 203 1SMA4733A 733A 4.84 5.1 5.36 49 7.0 10 1 186 1SMA4734A 734A 5.32 5.6 5.92 45 5.0 10 2 170 1SMA4735A 735A 5.86 6.2 6.51 41 2.0 10 3 154 1SMA4736A 736A 6.46 6.8 7.18 37 3.5 10 4 140 1SMA4737A 737A 7.12 7.5 7.88 34 4.0 10 5 127 1SMA4738A 738A 7.79 8.2 8.67 31 4.5 10 6 116 1SMA4739A 739A 8.60 9.1 9.59 28 5.0 10 7 104 95 1SMA4740A 740A 9.50 10 10.5 25 7.0 10 7 1SMA4741A 741A 10.4 11 11.6 23 8.0 5 8 86 1SMA4742A 742A 11.4 12 12.6 21 9.0 5 9 79 1SMA4743A 743A 12.4 13 14.1 19 10 5 10 71 1SMA4744A 744A 13.8 15 15.8 17 14 5 11 63 1SMA4745A 745A 15.2 16 17.1 16 16 5 12 58 1SMA4746A 746A 16.8 18 19.2 14 20 5 13 52 47 1SMA4747A 747A 19.0 20 21.2 13 22 5 15 1SMA4748A 748A 20.8 22 23.3 12 23 5 17 43 1SMA4749A 749A 22.8 24 26.0 11 25 5 18 38 35 1SMA4750A 750A 25.3 27 28.9 9.5 35 5 21 1SMA4751A 751A 28.2 30 32.0 8.5 40 5 23 31 1SMA4752A 752A 31.3 33 34.9 7.5 45 5 25 28 26 1SMA4753A 753A 34.2 36 37.9 7.0 50 5 27 1SMA4754A 754A 37.2 39 41.5 6.5 60 5 30 24 1SMA4755A 755A 40.9 43 45.6 6.0 70 1 32 22 1SMA4756A 756A 44.9 47 49.8 5.5 80 1 35 20 1SMA4757A 757A 48.6 51 54.0 5.0 95 1 38 18 1SMA4758A 758A 53.6 56 58.8 4.5 110 1 42 17 1SMA4759A 759A 58.9 62 65.6 4.0 125 1 47 15 1SMA4760A 760A 64.6 68 71.7 3.7 150 1 52 14 1SMA4761A 761A 71.2 75 78.8 3.3 175 1 56 12 1SMA4762A 762A 77.9 82 87.0 3.0 200 1 62 11 1SMA4763A 763A 86.0 91 96.0 2.8 250 1 69 10 9.5 1SMA4764A 764A 95.0 100 105 2.5 350 1 76 1SMA4765A 765A 104 110 116 2.3 450 1 84 8.6 1SMA4766A 766A 114 120 127 2.0 550 1 91 7.8 1SMA4767A 767A 125 135 142 1.9 700 1 100 7.0 1SMA4768A 768A 140 150 157 1.7 900 1 110 6.3 1SMA4769A 769A 155 165 172 1.6 1100 1 120 5.8 1SMA4770A 770A 170 180 191 1.4 1200 1 135 5.2 1SMA4771A 771A 189 200 211 1.2 1400 1 150 4.7 1SMA4772A 772A 209 220 231 1.0 1600 1 165 4.3 1SMA4773A 773A 229 240 251 1.0 1800 1 180 3.9 1SMA4774A 774A 249 260 271 1.0 2000 1 190 3.7 1SMA4775A 775A 269 280 291 1.0 2100 1 205 3.4 1SMA4776A 776A 289 300 315 1.0 2300 1 230 3.1 1SMA4777A 777A 313 330 346 1.0 2500 1 250 2.8 （1） V ZT is tested with pulses (20 ms) http://www.microdiode.com Rev:2024A1 Page :2 1SMA4728A THRU 1SMA4777A Zener Voltage - 3.3 to 330 Volts FIG.1- POWER TEMPERATURE DERATING CURVE FIG.2- TYPICAL FORWARD CHARACTERISTICS 1000 1.25 MINIMUM MAXIMUM 500 IF, FORWARD CURRENT (mA) PD, MAXIMUM POWER DISSIPATION (WATTS) Peak Pulse Power - 1.0 W 1.0 0.75 0.50 0.25 200 100 50 20 10 5.0 70 C o 150 C o 25 C o 2.0 0 20 40 60 80 100 120 140 160 180 0 oC 1.0 0.4 200 0.5 o AMBIENT TEMPERATURE( C) 10000 7000 5000 1000 TJ = 25 C IZ(rms)= 0.1 IZ(dc) f = 1KHz o ZZ, DYNAMIC IMPEDANCE (OHMS) 200 47V 100 1000 700 500 27V 0.1 0.2 0.5 1.0 2.0 5.0 10 20 50 100 IZ, ZENER CURRENT (mA) ZZ, DYNAMIC IMPEDANCE (OHMS) FIG.4- EFFECT OF ZENER VOLTAGE ON ZENER IMPEDANCE 1000 700 500 IR, LEAKAGE CURRENT ( A) 2.0 1.1 20 10 7.0 5.0 2.0 1.0 0.7 0.5 +125 C o 0.2 TJ = 25 C IZ(rms)= 0.1 IZ(dc) f = 1KHz o IZ = 1.0mA 200 100 70 50 5.0mA 20 20mA 0.1 0.07 0.05 0.02 0.01 0.007 0.005 10 7.0 5.0 +25 C o 0.002 2.0 1.0 1.0 100 70 50 5.0 1.0 0.9 200 0.8V 10 0.8 TYPICAL LEAKAGE CURRENT AT 80% OF NOMINAL BREAKDOWN VOLTAGE 2000 50 20 0.7 FIG.5- TYPICAL LEAKAGE CURRENT FIG.3- EFFECT OF ZENER CURRENT ON ZENER IMPEDANCE 500 0.6 VF, FORWARD VOLTAGE (VOLTS) 0.001 3.0 1.0 2.0 3.0 5.0 7.0 10 20 30 50 70 4.0 5.0 6.0 7.0 8.0 9.0 10 11 12 13 14 15 VZ, NOMINAL ZENER VOLTAGE (VOLTS) 100 IZ, ZENER CURRENT (mA) FIG.6- TYPICAL CAPACITANCE versus Vz FIG.7- TEMPERATURE COEFFICIENTS 400 300 C, CAPACITANCE (pF) 0V BIAS 1.0V BIAS 100 10 8 50% OF BREAKDOWN BIAS 4 1.0 10 VZ, FORWARD VOLTAGE (VOLTS) 100 OVZ, TEMPERAYURE COEFFICIENT (mV/oC) a-RANGE FOR UNITS TO 12 VOLTS 200 +12 +10 +8.0 +6.0 +4.0 +2.0 RANGE 0 VZ @ IZT -2.0 -4.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10 11 12 VZ, ZENER VOLTAGE (VOLTS) The cruve graph is for reference only http://www.microdiode.com Rev:2024A1 Page :3 1SMA4728A THRU 1SMA4777A Zener Voltage - 3.3 to 330 Volts FIG.7- TEMPERATURE COEFFICIENTS FIG.8- EFFECT OF ZENER CURRENT OVZ, TEMPERAYURE COEFFICIENT (mV/oC) OVZ, TEMPERAYURE COEFFICIENT (mV/oC) b-RANGE FOR UNITS 12 TO 100 VOLTS 100 70 50 30 20 VZ @ IZT RANGE 10 7.0 5.0 3.0 2.0 1.0 10 20 30 50 Peak Pulse Power - 1.0 W 70 +6.0 VZ @ IZT TA25 oC +4.0 +2.0 20mA 0 0.01mA 1.0mA -2.0 -4.0 100 NOTE: BELOW 3 VOLTS AND ABOVE a VOLTS CHANGES IN ZENER CURRENT OO NOT AFFECT TEMPERATURE COEFFICIENTS 3.0 4.0 5.0 6.0 7.0 8.0 VZ, ZENER VOLTAGE (VOLTS) VZ, ZENER VOLTAGE (VOLTS) Ppk, PEAK SURGE POWER IWATTSO FIG.9- MAXIMUM SURGE POWER 100 70 50 30 5% DUTY CYCLE 0.8V-10V NON-REPETITIVE 20 10 7.0 5.0 3.0 RECTANGULAR WAVEFORM o TJ = 25 C PRIOR TO INITIAL PULSE 11V-91V NON-REPETITIVE 10% DUTY CYCLE 20% DUTY CYCLE 2.0 1.0 0.01 0.02 0.05 0.1 0.2 0.5 1.0 2.0 5.0 10 20 50 100 200 500 1000 PW, PULSE WIDTH (ms) The cruve graph is for reference only http://www.microdiode.com Rev:2024A1 Page :4 1SMA4728A THRU 1SMA4777A Zener Voltage - 3.3 to 330 Volts Peak Pulse Power - 1.0 W Packing information unit:mm P0 P1 d Item Symbol Tolerance SMA Carrier width Carrier length Carrier depth Sprocket hole 13" Reel outside diameter 13" Reel inner diameter 7" Reel outside diameter 7" Reel inner diameter Feed hole diameter Sprocket hole position Punch hole position Punch hole pitch Sprocket hole pitch Embossment center Overall tape thickness Tape width Reel width A B C d D D1 D D1 D2 E F P P0 P1 T W W1 0.1 0.1 0.1 0.05 2.0 min 2.0 min 0.5 0.1 0.1 0.1 0.1 0.1 0.1 0.3 1.0 2.80 5.33 2.36 1.50 330.00 50.00 178.00 62.00 13.00 1.75 5.50 4.00 4.00 2.00 0.28 12.00 18.00 E F B A W P D2 T D1 C W1 D Note:Devices are packed in accor dance with EIA standar RS-481-A and specifications listed above. Reel packing PACKAGE REEL SIZE REEL (pcs) COMPONENT SPACING (m/m) BOX (pcs) INNER BOX (m/m) REEL DIA, (m/m) 2,000 4.0 4,000 183*155*183 178 CARTON SIZE (m/m) CARTON (pcs) APPROX. GROSS WEIGHT (kg) SMA 7" SMA 11" 5,000 4.0 10,000 290*290*38 330 310*310*360 80,000 11.0 SMA 13" 7,500 4.0 15,000 335*335*38 330 350*330*360 120,000 14.5 382*356*392 80,000 12.0 Suggested Pad Layout http://www.microdiode.com Symbol Unit (mm) A 1.68 Unit (inch) 0.066 B 1.52 0.060 C 3.93 0.154 D 2.41 0.095 E 5.45 0.215 Rev:2024A1 Page :5