SMB5921B thru SMB5949B SURFACE MOUNT ZENER TYPE SURFACE MOUNT ZENER DIODES 3.0 WATTS SMB/DO-214AA .075(1.91) .083(2.11) .130(3.30) .155(3.94) .160(4.06) .185(4.70) .006(.152) .012(.305) .083(2.13) .096(2.44) .030(0.76) .050(1.27) .004(.102) .008(.203) .200(5.08) .220(5.59) Dimensions in inches and (millimeters) FEATURES MECHANICAL DATA • Low profile package • Built-in strain relief Case: JEDEC DO-214AA, Molded plastic over passivated junction Terminals: Solder plated, solderable per MIL-STD-750, Method 2026 • Low inductance Polarity: Indicated by cathode band • Typical ID less than 1.0µA above 11V Standard packing: 12mm tape (E1A-481) • Plastic package has Underwriters Laboratory Flammability Classification 94V-O Weight: 0.003 ounce, 0.093 gram • High temperature soldering : 260°C /10 seconds at terminals • Pb free product are available : 99% Sn can meet RoHS environment substance directive request MAXIMUM RATINGS (at TA=25 C unless otherwise noted) o Parameter Symbol Value Units Peak Pulse Power Dissipation on TA=50O C (Notes A) Derate above 70O C PD 3.0 24.0 W atts mW/ O C Peak Forward Surge Current 8.3ms single half sine-wave superimposed on rated load (JEDEC method) IFSM 15 Amps TJ,TSTG -55 to + 150 Operating Junction and Storage Temperature Range NOTES: A.Mounted on 5.0mm2 (.013mm thick) land areas. B.Measured on 8.3ms, and single half sine-wave or equivalent square wave ,duty cycle=4 pulses per minute maximum www.paceleader.tw 1 O C SMB5921B thru SMB5949B SURFACE MOUNT ZENER TYPE SURFACE MOUNT ZENER DIODES 3.0 WATTS ELECTRICAL CHARACTERISTICS (at TA=25 C unless otherwise noted) o Nominal Zener Marking Voltage Part No. Code V Z@ I ZT Nom.V Reverse Max.Zener Impedance Max.Zener Leakage Current ZZT@ I ZT ZZK @ I ZK I R @ VR Max. DC Zener Current IZM mA Ω mA Ω mA μA V mA SMB5921B 5921B 6.8 55.1 2.5 55.1 200 1.0 5.0 5.2 440 SMB5922B 5922B 7.5 50.0 3.0 50.0 400 0.5 5.0 6.0 400 SMB5923B 5923B 8.2 45.7 3.5 45.7 400 0.5 5.0 6.5 364 5924B 9.1 41.2 4.0 41.2 500 0.5 5.0 7.0 328 37.5 500 0.25 5.0 8.0 300 SMB5924B SMB5925B 5925B 10 37.5 4.5 SMB5926B 5926B 11 34.1 5.5 34.1 550 0.25 5.0 8.4 272 SMB5927B 5927B 12 31.2 6.5 31.2 550 0.25 1.0 9.1 250 SMB5928B 5928B 13 28.8 7.0 28.8 550 0.25 1.0 9.9 230 SMB5929B 5929B 15 25.0 9.0 25.0 600 0.25 1.0 11.4 200 SMB5930B 5930B 16 23.4 10 23.4 600 0.25 1.0 12.2 186 SMB5931B 5931B 18 20.8 12 20.8 650 0.25 1.0 13.7 166 SMB5932B 5932B 20 18.7 14 18.7 650 0.25 1.0 15.2 150 SMB5933B 5933B 22 17.0 17.5 17.0 650 0.25 1.0 16.7 136 SMB5934B 5934B 24 15.6 19 15.6 700 0.25 1.0 18.2 124 SMB5935B 5935B 27 13.9 23 13.9 700 0.25 1.0 20.6 110 SMB5936B 5936B 30 12.5 26 12.5 750 0.25 1.0 22.8 100 SMB5937B 5937B 33 11.4 33 11.4 800 0.25 1.0 25.1 90 SMB5938B 5938B 36 10.4 38 10.4 850 0.25 1.0 27.4 82 SMB5939B 5939B 39 9.6 45 9.6 900 0.25 1.0 29.7 76 SMB5940B 5940B 43 8.7 53 8.7 950 0.25 1.0 32.7 68 35.8 SMB5941B 5941B 47 8.0 8.0 1000 0.25 SMB5942B 67 1.0 5942B 51 7.3 7.3 1100 0.25 1.0 38.8 SMB5943B 70 62 58 5943B 56 6.7 6.7 1300 0.25 1.0 42.6 52 SMB5944B 86 5944B 62 6.0 6.0 1500 0.25 1.0 47.1 48 SMB5945B 100 5945B 68 5.5 5.5 1700 0.25 1.0 51.7 44 SMB5946B 5946B 5.0 4.6 2000 2500 1.0 1.0 40 62.2 36 91 4.1 140 160 56.0 5947B 75 82 0.25 SMB5947B 5.0 4.6 120 200 4.1 3000 1.0 69.2 32 100 3.7 250 3.7 3100 0.25 1.0 76.0 30 SMB5948B SMB5949B 5948B 5949B www.paceleader.tw 2 0.25 0.25