1SMA5926 - 1SMA5956 1.5 Watts Surface Mount Silicon Zener Diode SMA/DO-214AC Features For surface mounted applications in order to optimize board space Low profile package Built-in strain relief Glass passivated junction Low inductance Typical IR less than 0.5µA above 11V High temperature soldering guaranteed: 260oC / 10 seconds at terminals Plastic package has Underwriters Laboratory Flammability Classification 94V-0 Mechanical Data Dimensions in inches and (millimeters) Case: Molded plastic over passivated junction Terminals: Pure tin plated lead free,, solderable per MIL-STD-750, Method 2026 Polarity: Color Band denotes positive end (cathode) Standard packaging: 12mm tape (EIA-481) Weight: 0.002 ounces, 0.064 gram Maximum Ratings and Electrical Characteristics Rating at 25 oC ambient temperature unless otherwise specified. Type Number Symbol PD Value 1.5 20 Units Watts mW/ oC IFSM 10.0 Amps o DC Power Dissipation at TL=75 C, measure at Zero Lead Length ( Note 1 ) Derate above 75 oC Peak Forward Surge Current, 8.3 ms Single Half Sine-wave Superimposed on Rated Load (JEDEC method) (Note 1, 2) Operating and Storage Temperature Range TJ, TSTG -55 to + 2 (0.013mm thick) land areas. 1. Mounted on 5.0mm Notes: 2. Measured on 8.3ms Single Half Sine-wave or Equivalent Square Wave, Duty Cycle=4 Pulses Per Minute Maximum. - 590 - 150 o C Version: B07 ELECTRICAL CHARACTERISTICS (TA=25oC unless otherwise noted) VF=1.5V max, IF=200mA for all types. Maximum DC Zener Leakage Current Current IR @ VR IZM uA Volts mA (dc) Device (Note 1) Device Marking Code 1SMA5926 926A 10.45 11 11.55 34.1 5.5 550 0.25 0.5 8.4 136 1SMA5927 927A 11.40 12 12.60 31.2 6.5 550 0.25 0.5 9.1 125 1SMA5928 928A 12.35 13 13.65 28.8 7.0 550 0.25 0.5 9.9 115 1SMA5929 929A 14.25 15 15.75 25.0 9.0 600 0.25 0.5 11.4 100 1SMA5930 930A 15.20 16 16.80 23.4 10.0 600 0.25 0.5 12.2 94 1SMA5931 931A 17.10 18 18.90 20.8 12 650 0.25 0.5 13.7 83 1SMA5932 932A 19.00 20 21.00 18.7 14 650 0.25 0.5 15.2 75 1SMA5933 933A 20.90 22 23.10 17.0 17.5 650 0.25 0.5 16.7 68 1SMA5934 934A 22.80 24 25.20 15.6 19 700 0.25 0.5 18.2 63 1SMA5935 935A 25.65 27 28.35 13.9 23 700 0.25 0.5 20.6 56 1SMA5936 936A 28.50 30 31.50 12.5 26 750 0.25 0.5 22.8 50 1SMA5937 937A 31.35 33 34.65 11.4 33 800 0.25 0.5 25.1 45 1SMA5938 938A 34.20 36 37.80 10.4 38 850 0.25 0.5 27.4 42 1SMA5939 939A 37.05 39 40.95 9.6 45 900 0.25 0.5 29.7 38 1SMA5940 940A 40.85 43 45.15 8.7 53 950 0.25 0.5 32.7 35 1SMA5941 941A 44.65 47 49.35 8.0 67 1000 0.25 0.5 35.8 32 1SMA5942 942A 48.45 51 53.55 7.3 70 1100 0.25 0.5 38.8 29 1SMA5943 943A 53.20 56 58.80 6.7 86 1300 0.25 0.5 42.6 27 1SMA5944 944A 58.90 62 65.10 6.0 100 1500 0.25 0.5 47.1 24 1SMA5945 945A 64.60 68 71.40 5.5 120 1700 0.25 0.5 51.7 22 1SMA5946 946A 71.25 75 78.75 5.0 140 2000 0.25 0.5 56.0 20 1SMA5947 947A 77.90 82 86.10 4.6 160 2500 0.25 0.5 62.2 18 1SMA5948 948A 86.45 91 95.55 4.1 200 300 0.25 0.5 69.2 16 1SMA5949 949A 95.00 100 105.00 3.7 250 3100 0.25 0.5 76.0 15 1SMA5950 950A 104.5 110 115.50 3.4 300 4000 0.25 0.5 83.6 13 1SMA5951 951A 114.0 120 126.00 3.1 360 4500 0.25 0.5 91.2 12 1SMA5952 952A 123.5 130 136.50 2.9 450 5000 0.25 0.5 98.8 11 1SMA5953 953A 142.5 150 157.50 2.5 600 6000 0.25 0.5 114.0 10 1SMA5954 954A 152.0 160 168.00 2.3 700 6500 0.25 0.5 121.6 9 1SMA5955 955A 171.0 180 189.00 2.1 900 7000 0.25 0.5 136.8 8 1SMA5956 956A 190.0 200 210.00 1.9 1200 8000 0.25 0.5 152.0 7 Nominal Zener Voltage Min V Vz @ Izt Nom Max V(Notes 2) V Test Current Zener Impedance ZZK @ IZK ZZT @ IZT IZT mA Ohms Ohms mA Notes: 1. Tolerance and Voltage Regulation Designation - the type number listed indicates a tolerance of ±5%. 2. VZ limits are to be guaranteed at thermal equilibrium. Version: B07 - 591 - RATINGS AND CHARACTERISTIC CURVES (1SMA5926 THRU 1SMA5956) FIG.2- VZ = 12 THRU 68 VOLTS 4 100 3.2 IZ, ZENER CURRENT (mA) PD, MAXIMUM POWER DISSIPATION (WATTS) FIG.1- STEADY STATE POWER DERATING 2.4 TL 1.6 10 1 0.8 TA 0 0 25 50 75 100 125 0.1 150 0 o 10 ZZ, DYNAMIC IMPEDANCE (OHMS) OVZ, TEMPERATURE COEFFICIENT (mV/oC) VZ @ IZ1 10 100 VZ, ZENER VOLTAGE (VOLTS) 30 40 50 60 70 80 FIG.4- EFFECT OF ZENER VOLTAGE FIG.3- ZENER VOLTAGE - 14 TO 68 VOLTS 100 10 20 VZ, ZENER VOLTAGE (VOLTS) T, TEMPERATURE( C) 100 IZ(dc) = 1 mA 10 mA 10 20 mA IZ(ms) = 0.1 IZ(dc) 10 100 VZ, ZENER VOLTAGE (VOLTS) Version: B07 RATINGS AND CHARACTERISTIC CURVES (1SMA5926 THRU 1SMA5956) FIG.5- CAPACITANCE CURVE FIG.6- TYPICAL PULSE RATING CURVE 10 MEASURED @ ZERO BIAS MEASURED @ VZ/2 100 NONREPETITIVE, EXPONENTIAL PULSE WAVEFORM, TJ = 25oC PPK, PEAK POWER (kW) C, CAPACITANCE (pF) 1000 1 0.1 o TJ = 25 C 10 0.01 10 100 0.01 0.1 1 10 Tp, PULSE WIDTH (ms) BREAKDOWN VOLTAGE (VOLTS) FIG.8- PULSE WAVEFORM FIG.7- PULSE WAVEFORM 120 120 o TA = 25 C PW (ID) IS DEFINED AS THE POINT WHERE THE PEAK CURRENT DECAYS TO 50% OF Ipp- PEAK VALUE Ippm 80 60 0.9 IPEAK HALF VALUE - Ipp/2 40 10/1000 s WAVEFORM AS DEFINED BY R.E.A. 20 8/20 s WAVEFORM AS DEFINED BY ANSI C62.1 AND IEC 801-5, 100 Ippm, PEAK PULSE CURRENT (%) Ippm, PEAK PULSE CURRENT (%) 10 s 100 80 60 0.5 IPEAK 40 20 td T=8 s 0.1 IPEAK 0 0 0 1 2 3 t, TIME (ms) 4 5 0 0.02 T 0.04 0.06 0.08 0.1 t, TIME (ms) 20 s Version: B07