1SMA5931

1SMA5926 THRU 1SMA5945 Surface Mount Silicon Zener Diode Voltage Range 11 to 68 Volts 1.5 Watts Peak Power 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: O 260 C / 10 seconds at terminals Plastic package has Underwriters Laboratory Flammability Classification 94V-0 SMA/DO-214AC .062(1.58) .050(1.27) .111(2.83) .090(2.29) .187(4.75) .160(4.06) Mechanical Data Case: Molded plastic over passivated junction Terminals: Solder plated, 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 .091(2.30) .078(1.99) .012(.31) .006(.15) .008(.20) .004(.10) .210(5.33) .195(4.95) .056(1.41) .035(0.90) Dimensions in inches and (millimeters) Maximum Ratings and Electrical Characteristics Rating at 25℃ambient temperature unless otherwise specified. Type Number Symbol Value Units 1.5 Watts DC Power Dissipation at TL=75OC, O 20 mW/ C PD measure at Zero Lead Length (Note 1) O Derate above 75 C Peak Forward Surge Current, 8.3 ms Single Half IFSM 10.0 Amps Sine-wave Superimposed on Rated Load (JEDEC method) (Note 2) O Operating and Storage Temperature Range TJ, TSTG -55 to + 150 C 2 Notes: 1. Mounted on 5.0mm (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. - 814 - ELECTRICAL CHARACTERISTICS (TA=25OC unless otherwise noted) VF=1.5V max, IF=200mA for all types. Nominal Device Zener Voltage Test Marking Vz @ Izt Current Zener Impedance Code Voltage IZT ZZT @ IZT ZZK @ IZK (Notes 2) mA Ohms Ohms mA 926A 927A 928A 929A 930A 931A 932A 933A 934A 935A 936A 937A 938A 939A 940A 941A 942A 943A 944A 945A 11 12 13 15 16 18 20 22 24 27 30 33 36 39 43 47 51 56 62 68 34.1 31.2 28.8 25.0 23.4 20.8 18.7 17.0 15.6 13.9 12.5 11.4 10.4 9.6 8.7 8.0 7.3 6.7 6.0 5.5 5.5 6.5 7.0 9.0 10.0 12 14 17.5 19 23 26 33 38 45 53 67 70 86 100 120.0 550 550 550 600 600 650 650 650 700 700 750 800 850 900 950 1000 1100 1300 1500 1700 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 Device (Note 1) 1SMA5926 1SMA5927 1SMA5928 1SMA5929 1SMA5930 1SMA5931 1SMA5932 1SMA5933 1SMA5934 1SMA5935 1SMA5936 1SMA5937 1SMA5938 1SMA5939 1SMA5940 1SMA5941 1SMA5942 1SMA5943 1SMA5944 1SMA5945 Maximum DC Zener Leakage Current Current IZM IR @ VR uA Volts mA (dc) 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 8.4 9.1 9.9 11.4 12.2 13.7 15.2 16.7 18.2 20.6 22.8 25.1 27.4 29.7 32.7 35.8 38.8 42.6 47.1 51.7 136 125 115 100 94 83 75 68 63 56 50 45 42 38 35 32 29 27 24 22 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. - 815 - RATINGS AND CHARACTERISTIC CURVES ( 1SMA5926 THRU 1SMA5945) FIG.1- STEADY STATE POWER DERATING 4 PD, MAXIMUM POWER DISSIPATION (WATTS) FIG.2- VZ = 12 THRU 68 VOLTS 100 3.2 IZ, ZENER CURRENT (mA) 2.4 10 TL 1.6 1 0.8 TJ 0 0 25 50 75 o 100 125 150 0.1 0 10 20 30 40 50 60 70 80 T, TEMPERATURE( C) VZ, ZENER VOLTAGE (VOLTS) FIG.3- ZENER VOLTAGE - 14 TO 68 VOLTS 100 OVZ, TEMPERATURE COEFFICIENT (mV/oC) FIG.4- EFFECT OF ZENER VOLTAGE ZZ, DYNAMIC IMPEDANCE (OHMS) VZ @ IZ1 100 IZ(dc) = 1 mA 10 10 mA IZ(ms) = 0.1 IZ(dc) 100 VZ, ZENER VOLTAGE (VOLTS) 20 mA 10 10 10 VZ, ZENER VOLTAGE (VOLTS) 100 - 816 - RATINGS AND CHARACTERISTIC CURVES ( 1SMA5926 THRU 1SMA5945) FIG.5- CAPACITANCE CURVE 1000 FIG.6- TYPICAL PULSE RATING CURVE 10 PPK, PEAK POWER (kW) C, CAPACITANCE (pF) MEASURED @ ZERO BIAS MEASURED @ VZ/2 NONREPETITIVE, EXPONENTIAL o PULSE WAVEFORM, TJ = 25 C 1 100 0.1 TJ = 25 C 10 10 BREAKDOWN VOLTAGE (VOLTS) o 100 0.01 0.01 0.1 Tp, PULSE WIDTH (ms) 1 10 FIG.7- PULSE WAVEFORM 120 120 FIG.8- PULSE WAVEFORM 10 s Ippm, PEAK PULSE CURRENT (%) 100 Ippm, PEAK PULSE CURRENT (%) 80 PEAK VALUE Ippm TJ = 25oC PW (ID) IS DEFINED AS THE POINT WHERE THE PEAK CURRENT DECAYS TO 50% OF Ipp- 100 0.9 IPEAK 80 8/20 s WAVEFORM AS DEFINED BY ANSI C62.1 AND IEC 801-5, 60 60 HALF VALUE - Ipp/2 0.5 IPEAK 40 40 10/1000 s WAVEFORM AS DEFINED BY R.E.A. td 0.1 IPEAK 1 2 t, TIME (ms) 20 20 T=8 s 0 0 0.02 0.04 t, TIME (ms) 0 0 3 4 5 0.06 0.08 0.1 T 20 s - 817 -