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| 1SMB3EZ6.8~1SMB3EZ100 SILICON ZENER DIODES VOLTAGE FEATURES * Low profile package * Low inductance .083(2.11) .155(3.94) .130(3.30) .075(1.91) 6.8 to 100 Volts POWER 3.0 Watts SMB/DO-214AA Unit: inch (mm) * Built-in strain relief * Typical ID less than 1.0A above 11V * Plastic package has Underwriters Laboratory Flammability Classification 94V-O * High temperature soldering : 260C /10 seconds at terminals * Pb free product are available : 99% Sn can meet RoHS environment substance directive request .096(2.44) .185(4.70) .160(4.06) .012(.305) .006(.152) .083(2.13) MECHANICALDATA Case: JEDEC DO-214AA, Molded plastic over passivated junction Terminals: Solder plated, solderable per MIL-STD-750, Method 2026 Polarity: Indicated by cathode band Standard packing: 12mm tape (E1A-481) Weight: 0.003 ounce, 0.093 gram .050(1.27) .030(0.76) .008(.203) .002(.051) .220(5.59) .200(5.08) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25C ambient temperature unless otherwise specified. Parameter Peak Pulse Power Dissipation on TA=50O C (Notes A) Derate above 70O C Peak Forward Surge Current 8.3ms single half sine-wave superimposed on rated load (JEDEC method) Operating Junction and Storage Temperature Range Symbol Value 3.0 24.0 15 -55 to + 150 Units W atts mW/ O C Amps O PD IFSM TJ,TSTG C 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 REV.0-JUN.15.2005 PAGE . 1 1SMB3EZ6.8~1SMB3EZ100 N o m i na l Ze ne r V o l t a g e Part Number No m. V 3.0 watt Zener Diodes 1SMB3EZ6.8 1SMB3EZ7.5 1SMB3EZ8.2 1SMB3EZ8.7 1SMB3EZ9.1 1SMB3EZ10 1SMB3EZ11 1SMB3EZ12 1SMB3EZ13 1SMB3EZ14 1SMB3EZ15 1SMB3EZ16 1SMB3EZ17 1SMB3EZ18 1SMB3EZ19 1SMB3EZ20 1SMB3EZ22 1SMB3EZ24 1SMB3EZ25 1SMB3EZ27 1SMB3EZ28 1SMB3EZ30 1SMB3EZ33 1SMB3EZ36 1SMB3EZ39 1SMB3EZ43 1SMB3EZ47 1SMB3EZ51 1SMB3EZ56 1SMB3EZ60 1SMB3EZ62 1SMB3EZ68 1SMB3EZ75 1SMB3EZ82 1SMB3EZ87 1SMB3EZ91 1SMB3EZ100 6.8 7.5 8.2 8.7 9.1 10 11 12 13 14 15 16 17 18 19 20 22 24 25 27 28 30 33 36 39 43 47 51 56 60 62 68 75 82 87 91 100 6.46 7.13 7.79 8.27 8.65 9..50 10.45 11.40 12.35 13.30 14.25 15.20 16.15 17.10 18.05 19.00 20.90 22.80 23.75 25.65 26.60 28.50 31.35 34.20 37.05 40.85 44.65 48.45 53.20 57.00 58.90 64.60 71.25 77.90 82.65 86.45 95.00 7.14 7.88 8.61 9.14 9.56 10.50 11.55 12.60 13.65 14.70 15.75 16.80 17.85 18.90 19.95 21.00 23.10 25.20 26.25 28.35 29.40 31.50 34.65 37.80 40.95 45.15 49.35 53.55 58.80 63.00 65.10 71.40 78.75 86.10 91.35 95.55 105.00 2 2 2 2 3 4 4 5 5 6 7 8 9 10 11 11 12 13 14 18 18 20 23 25 30 35 40 48 55 58 60 75 90 100 120 125 175 110.0 100.0 91.0 85.0 82.0 75.0 68.0 63.0 58.0 53.0 50.0 47.0 44.0 42.0 40.0 37.0 34.0 31.0 30.0 28.0 27.0 25.0 23.0 21.0 19.0 17.0 16.0 15.0 13.0 12.5 12.0 11.0 10.0 9.1 8.5 8.2 7.5 700 700 700 700 700 700 700 700 700 700 700 700 750 750 750 750 750 750 750 750 750 1000 1000 1000 1000 1500 1500 1500 2000 2000 2000 2000 2000 3000 3000 3000 3000 1.00 0.50 0.50 0.50 0.50 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 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 5.00 5.00 5.00 4.00 3.00 3.00 1.00 1.00 0.50 0.50 0.50 0.50 0.50 0.50 0.50 0.50 0.50 0.50 0.50 0.50 0.50 0.50 0.50 0.50 0.50 0.50 0.50 0.50 0.50 0.50 0.50 0.50 0.50 0.50 0.50 0.50 0.50 4.00 5.00 6.00 6.60 7.00 7.60 8.40 9.10 9.90 10.60 11.40 12.20 13.00 13.70 14.40 15.20 16.70 18.20 19.00 20.60 21.30 22.50 25.10 27.40 29.70 32.70 35.70 38.80 42.60 45.60 47.10 51.70 56.00 62.20 66.10 69.20 76.00 3006 3007 3008 30A 8 3009 3010 3011 3012 3013 3014 3015 3016 3017 3018 3019 3020 3022 3024 3025 3027 3028 3030 3033 3036 3039 3043 3047 3051 3056 3060 3062 3068 3075 3082 3087 3091 3100 SMB SMB SMB SMB SMB SMB SMB SMB SMB SMB SMB SMB SMB SMB SMB SMB SMB SMB SMB SMB SMB SMB SMB SMB SMB SMB SMB SMB SMB SMB SMB SMB SMB SMB SMB SMB SMB V Z @ IZT M i n. V M a x. V ZZT @ IZT O hm s M a x i m u m Z e n e r Im p e d a n c e IZT mA ZZK @ IZK O hm s IZK mA A Max. Reverse Leakage Current IR @VR V Marking C ode P a cka g e REV.0-JUN.15.2005 PAGE . 2 1SMB3EZ6.8~1SMB3EZ100 APPLICATION NOTE: Since the actual voltage available from a given zener diode is temperature dependent, it is necessary to determinejunction temperature under any set of operating conditions in order to calculate its value. The following procedure is recommended: Lead Temperature, T L , should be determined from: T L = q LA P D + T A O q L A is the lead-to-ambient thermal resistance ( C/W) and Pd is the power dissipation. The value for q L A will vary and depends on the device mounting method. q L A is generally 30-40 OC/W for the various clips and tie points in common use and for printed circuit board wiring. The temperature of the lead can also be measured using a thermocouple placed on the lead as close as possible to the tie poin The thermal mass connected to the tie point is normally large enough so that it will not significantly respond to heat surges generated in the diode as a result of pulsed operation once steady-state conditions are achieved. Using the measured value of TL, the junction temperature may be determined by: T J = T L + D T JL D T JL is the increase in junction temperature above the lead temperature and may be found from Figure 2 for a train of power puls or from Figure 10 for dc power. D T JL = q J L P D For worst-case design, using expected limits of I Z , limits of P D and the extremes of T J ( D T J ) may be estimated. Changes in volta V Z , can then be found from: DV = qV Z DT J q V Z , the zener voltage temperature coefficient, is found from Figures 5 and 6. Under high power-pulse operation, the zener voltage will vary with time and may also be affected significantly by the zener resis For best regulation, keep current excursions as low as possible. Data of Figure 2 should not be used to compute surge capa-bility. Surge limitations are given in Figure 3. They are lower than w be expected by considering only junction temperature, as current crowding effects cause temperatures to be extremely high in s spots resulting in device degradation should the limits of Figure 3 be exceeded. REV.0-JUN.15.2005 PAGE . 3 1SMB3EZ6.8~1SMB3EZ100 REV.0-JUN.15.2005 PAGE . 4 |
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