DATA SHEET 1SMC5348 SERIES SURFACE MOUNT SILICON ZENER DIODES VOLTAGE 11 to 39 Volts CURRENT 5.0 Watts Unit: inch (mm) SMC/DO-214AB FEATURES • For surface mounted applications in order to optimize board space. • Low profile package • Glass passivated junction .245(6.22) .220(5.59) .128(3.25) .108(2.75) • Built-in strain relief • Low inductance • Typical ID less than 1.0µA above 13V • Plastic package has Underwriters Laboratory Flammability Classification 94V-O .280(7.11) .260(6.60) • Both normal and Pb free product are available : .012(.305) .006(.152) Normal : 80~95% Sn, 5~20% Pb .103(2.62) .079(2.00) Pb free: 98.5% Sn above MECHANICALDATA Case: JEDEC DO-214AB,Molded plastic over passivated junction. Terminals: Solder plated,solderable per MIL-STD-750, Method 2026 Polarity: Color band denotes positive end (cathode) .050(1.27) .030(0.76) .008(.203) .002(.051) .320(8.13) .305(7.75) Standard Packaging:16mm tape (EIA-481) Weight: 0.007 ounce, 0.21 gram MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25°C ambient temperature unless otherwise specified. Parameter DC Power Dissipation on TL=75OC ,Measure at Zero Lead Length Derate above 50OC ( NOTE 1) Operating Junction and StorageTemperature Range Symbol Value Units PD 5.0 40 Watts mW / OC TJ , TSTG -55 to +150 O C NOTE: 1.Mounted on 8.0mm2 copper pads to each terminal. STAD-JUN.23.2004 PAGE . 1 Nominal Zener Voltage Part Number Marking C ode Max Reverse Leakage Current Max. Zener Impedance V Z @ IZT Z ZT @ IZT Z ZK @ IZK IR @ V R No m. V M i n. V M a x. V Ω mA Ω mA uA V 5.0 Watt Zener 1SMC5348 348B 11.0 10.5 11.6 2.5 125.0 125 1.00 5.0 8.4 1SMC5349 349B 12.0 11.4 12.6 2.5 100.0 125 1.00 2.0 9.1 1SMC5350 350B 13.0 12.4 13.7 2.5 100.0 100 1.00 1.0 9.9 1SMC5351 351B 14.0 13.3 14.7 2.5 100.0 75 1.00 1.0 10.6 1SMC5352 352B 15.0 14.3 15.8 2.5 75.0 75 1.00 1.0 11.5 1SMC5353 353B 16.0 15.2 16.8 2.5 75.0 75 1.00 1.0 12.2 1SMC5354 354B 17.0 16.2 17.9 2.5 70.0 75 1.00 0.5 12.9 1SMC5355 355B 18.0 17.1 18.9 2.5 65.0 75 1.00 0.5 13.7 1SMC5356 356B 19.0 18.1 20.0 3.0 65.0 75 1.00 0.5 14.4 1SMC5357 357B 20.0 19.0 21.0 3.0 65.0 75 1.00 0.5 15.2 1SMC5358 358B 22.0 20.9 23.1 3.5 50.0 75 1.00 0.5 16.7 1SMC5359 359B 24.0 22.8 25.2 3.5 50.0 100 1.00 0.5 18.2 1SMC5360 360B 25.0 23.8 26.3 4.0 50.0 110 1.00 0.5 19.0 1SMC5361 361B 27.0 25.7 28.4 5.0 50.0 120 1.00 0.5 20.6 1SMC5362 362B 28.0 26.6 29.4 6.0 50.0 130 1.00 0.5 21.2 1SMC5363 363B 30.0 28.5 31.5 8.0 40.0 140 1.00 0.5 22.8 1SMC5364 364B 33.0 31.4 34.7 10.0 40.0 150 1.00 0.5 25.1 1SMC5365 365B 36.0 34.2 37.8 11.0 30.0 160 1.00 0.5 27.4 1SMC5366 366B 39.0 37.1 41.0 14.0 30.0 170 1.00 0.5 29.7 STAD-JUN.23.2004 PAGE . 2 RATING AND CHARACTERISTIC CURVES qVz, TEMPERATURE COEFFICIENT (mV/C)@IZT P D , MAXIMUM STEADY STATE POWER DISSIPATION (WATTS) 8 6 4 2 0 0 30 60 90 120 300 200 100 RANGE 50 30 20 10 5 0 60 80 100 120 140 160 180 200 220 Fig.2 Temperature Coefficient-Range for Units 11 to 39 Volts Fig.1 Power temperature Derating Curve 30 1000 20 Vz=3.3V IZ, ZENER CURRENT (mA) ir, PEAK SURGE CURRENT (AMPS) 40 Vz,ZENER VOLTAGE@Iz T (VOLTS) O T L , LEAD TEMPERATURE ( C) 10 5 2 1 0.5 Vz=200V 0.2 0.1 20 150 T=25 O C 100 10 1 0.1 1 10 100 1000 PW, PULSE WIDTH (ms) Fig.3 Peak Surge Current versus Pulse Width STAD-JUN.23.2004 10 20 30 40 50 Vz, ZENER VOLTAGE (VOLTS) Fig.4 Zener Voltage versus Zener Current Vz=11 thru 39 Volts PAGE . 3