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| MCC Features l l l l l omponents 21201 Itasca Street Chatsworth !"# $ % !"# SMCJ5348 THRU SMCJ5388 Silicon 5.0 Watt Zener Diodes DO-214AB (SMCJ) (LEAD FRAME) G Surface Mount Application 11 thru 200 Volt Voltage Range Built-in strain relief Glass passivated junction Low inductance Mechanical Data l Case: JEDEC DO-214AB Molded plastic over passivated junction l l l l Terminals solderable per MIL-STD-750, Method 2026 Standard Packaging: 16mm tape(EIA-481) Maximum temperature for soldering: 260 C for 10 seconds. Plastic package has Underwriters Laboratory Flammability Classification 94V-O o H D Maximum Ratings @ 25oC Unless Otherwise Specified DC Power PD 5.0W (Note: 1) Dissipation Pea k forward IFS M S e e Fig .5 (Note:1,2) Surge Curren t 8.3ms single half Operation And TJ , TSTG -55o C to Storage +150 o C Temperature NOTES: 1. Mounted on 8.0mm copper pads to each terminal. 2. 8.3ms single half sine-wave, or equivalent square wave, duty cycle = 4 pulses per minute maximum. 2 A C E B F DIMENSIONS INCHES MIN .079 .108 .002 .006 .030 ..305 .260 .220 MM MIN 2.00 2.75 0.051 0.152 0.76 7.75 6.60 5.59 DIM A B C D E F G H MAX .103 .128 .008 .012 .050 .320 .280 .245 MAX 2.62 3.25 0.203 0.305 1.27 8.13 7.11 6.22 NOTE SUGGESTED SOLDER PAD LAYOUT 0.185 0.121" 0.060" www.mccsemi.com SMCJ5348 thru SMCJ5388 ELECTRICAL CHARACTERISTICS (T A=25 J unless otherwise noted, VF=1.2 Max @ IF=1A for all types. MCC Device Marking Code Type No. (Note 1.) Nominal Zener Voltage Vz @ IZT volts (Note 2.) Test current IZT mA Maximum Zener Impedance ZZT @ IZT Ohms (Note 2.) Z Zk @ IZK = 1 mA Ohms (Note 2.) IR Max reverse Leakage Current g A Maximum Max Max Regulator Surge Voltage Current Current Regulation I mA @ VR Volts ZM Ir Amps GVz, Volts (Note 5.) Non & A B-Suffix (Note 3.) (Note 4.) Suffix SMCJ5348 SMCJ5349 SMCJ5350 SMCJ5351 SMCJ5352 SMCJ5353 SMCJ5354 SMCJ5355 SMCJ5356 SMCJ5357 SMCJ5358 SMCJ5359 SMCJ5360 SMCJ5361 SMCJ5362 SMCJ5363 SMCJ5364 SMCJ5365 SMCJ5366 SMCJ5367 SMCJ5368 SMCJ5369 SMCJ5370 SMCJ5371 SMCJ5372 SMCJ5373 SMCJ5374 SMCJ5375 SMCJ5376 SMCJ5377 SMCJ5378 SMCJ5379 SMCJ5380 SMCJ5381 SMCJ5382 SMCJ5383 SMCJ5384 SMCJ5385 SMCJ5386 SMCJ5387 SMCJ5388 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 91 100 110 120 130 140 150 160 170 180 190 200 125 100 100 100 75 75 70 65 65 65 50 50 50 50 50 40 40 30 30 30 25 25 20 20 20 20 20 15 15 15 12 12 10 10 8 8 8 8 5 5 5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 3 3 3.5 3.5 4 5 6 8 10 11 14 20 25 27 35 40 42 44 45 65 75 75 90 125 170 190 230 330 350 380 430 450 480 125 125 100 75 75 75 75 75 75 75 75 100 110 120 130 140 150 160 170 190 210 230 280 350 400 500 620 720 760 760 800 1000 1150 1250 1500 1500 1650 1750 1750 1850 1850 5 2 1 1 1 1 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 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 8.6 9.4 10.1 10.8 11.5 12.2 13 13.7 14.4 15.8 17.3 18 19.4 20.1 21.6 23.8 25.9 28.1 31 33.8 36.7 40.3 43 44.6 49 54 59 63 65.5 72 79.2 86.4 93.6 101 108 115 122 130 137 144 8.4 9.1 9.9 10.6 11.5 12.2 12.9 13.7 14.4 15.2 16.7 18.2 19 20.6 21.2 22.8 25.1 27.4 29.7 32.7 35.8 38.8 42.6 45.5 47.1 51.7 56 62.2 66 69.2 76 83.6 91.2 98.8 106 114 122 129 137 144 152 8 7.5 7 6.7 6.3 6 5.8 5.5 5.3 5.1 4.7 4.4 4.3 4.1 3.9 3.7 3.5 3.3 3.1 2.8 2.7 2.5 2.3 2.2 2.1 2 1.9 1.8 1.7 1.6 1.5 1.4 1.3 1.2 1.2 1.1 1.1 1 1 0.9 0.9 0.25 0.25 0.25 0.25 0.25 0.3 0.35 0.4 0.4 0.4 0.45 0.55 0.55 0.6 0.6 0.6 0.6 0.65 0.65 0.7 0.8 0.9 1 1.2 1.35 1.5 1.6 1.8 2 2.2 2.5 2.5 2.5 2.5 2.5 3 3 3 4 5 5 430 395 365 340 315 295 280 265 250 237 216 198 190 176 170 158 144 132 122 110 100 93 86 79 76 70 63 58 54.5 52.5 47.5 43 39.5 36.6 34 31.6 29.4 28 26.4 25 23.6 348B 349B 350B 351B 352B 353B 354B 355B 356B 357B 358B 359B 360B 361B 362B 363B 364B 365B 366B 367B 368B 369B 370B 371B 372B 373B 374B 375B 376B 377B 378B 379B 380B 381B 382B 383B 384B 385B 386B 387B 388B NOTE: 1. TOLERANCE AND VOLTAGE DESIGNATION - The JEDEC type numbers shown indicate a tolerance of O 10% with guaranteed limits on only Vz, IR, Ir, and VF as shown in the electrical characteristics table. Units with guaranteed limits on all seven parameters are indicated by suffix "B" for O 5% tolerance. 2. ZENER VOLTAGE (Vz) AND IMPEDANCE (ZZT & ZZK) - Test conditions for Zener voltage and impedance are as follows; Iz is applied 40 O 10 ms prior to reading. Mounting contacts are located from the inside edge of mounting clips to the body of the diode.(TA=25 J J ). I* www.mccsemi.com SMCJ5348 thru SMCJ5388 MCC 3. SURGE CURRENT (Ir) - Surge current is specified as the maximum allowable peak, non-recurrent square-wave current with a pulse width, PW, of 8.3 ms. The data given in Figure 5 may be used to find the maximum surge current for a quare wave of any pulse width between 1 ms and 1000ms by plotting the applicable points on logarithmic paper. Examples of this, using the 6.8v and 200V zeners, are shown in Figure 6. Mounting contact located as specified in Note 3. (TA=25 J J ). 4. VOLTAGE REGULATION (GVz) - Test conditions for voltage regulation are as follows: Vz measurements are made at 10% and then at 50% of the Iz max value listed in the electrical characteristics table. The test currents are the same for the 5% and 10% tolerance devices. The test current time druation for each Vz measurement is 40 O 10 ms. (TA=25 J J ). Mounting contact located as specified in Note2. 5. MAXIMUM REGULATOR CURRENT (IZM) - The maximum current shown is based on the maximum voltage of a 5% type unit. Therefore, it applies only to the B-suffix device. The actual IZM for any device may not exceed the value of 5 watts divided by the actual Vz of the device. TL=75 J at maximum from the device body. I* I* APPLICATION NOTE: Since the actual voltage available from a given zener diode is temperature dependent, it is necessary to determine junction temperature under any set of operating conditions in order to calculate its value. The following procedure is recommended: Lead Temperature, TL, should be determined from: TL = c LAPD + TA c LA is the lead-to-ambient thermal resistance (J /W) and PD is the power dissipation. Junction Temperature, TJ , may be found from: TJ = TL + GTJL GTJL is the increase in junction temperature above the lead temperature and may be found from Figure 3 for a train of power pulses or from Figure 4 for dc power. GTJL = c JLPD For worst-case design, using expected limits of Iz, limits of PD and the extremes of TJ(GTJ) may be estimated. Changes in voltage, Vz, can then be found from: GV = c VZ GTJ c VZ, the zener voltage temperature coefficient, is fount from Figures 2. Under high power-pulse operation, the zener voltage will vary with time and may also be affected significantly be the zener resistance. For best regulation, keep current excursions as low as possible. Data of Figure 3 should not be used to compute surge capability. Surge limitations are given in Figure 5. They are lower than would be expected by considering only junction temperature, as current crowding effects cause temperatures to be extremely high in small spots resulting in device degradation should the limits of Figure. 5 be exceeded. www.mccsemi.com SMCJ5348 thru SMCJ5388 RATING AND CHARACTERISTICS CURVES TEMPERATURE COEFFICIENTS PD, MAXIUMU POWER DISSIPATION (WATTS) MCC c VZ, TEMPERATURE COEFFICIENT (mA/J_@IZT 300 200 100 50 30 20 10 5 0 20 40 60 80 100 120 140 160 180 200 220 RANGE 8 6 4 2 0 0 20 40 60 80 100 120 140 160 L = LEAD LENGTH TO HEAT SINK (SEE FIGURE 5) VZ, ZENER VOLTAGE @IZT (VOLTS) TL, LEAD TEMPERATURE (J) Fig. 1-POWER TEMPERATURE DERATING CURVE Fig. 2-TEMPERATURE COEFFICIENT-RANGE FOR UNITS 6 TO 220 VOLTS c JL(t,D), TRANSIENT THERMAL RESISTANCE JUNCTION-TOLEAD(J/W) 30 20 10 7 5 3 2 1 0.7 0.5 0.05 0.02 NOTE BELOW 0.1 SECOND, THERMAL RESPONSE CURVE IS APPLICABLE TO ANY LEAD LENGTH (L) 0.002 0.005 0.01 0.02 0.05 DUTY CYCLE, D = t1 / t2 SINGLE PULSE GTJL = KJL(t)PPK REPETITIVE PULSES GTJL = KJL(t,D)PPK 0.1 0.2 0.5 1 2 5 10 D = 0.5 0.2 0.1 0.01 0.0002 0.3 0.0001 D=0 0.0005 0.001 TIME (SECONDS) Fig. 3-TYPICAL THERMAL RESPONSE JL, JUNCTION-TO -LEAD THERMAL RESISTANCE (J /W) IR, PEAK SURGE CURRENT (AMPS) 40 20 10 4 2 1 PW = 1000ms* 0.4 0.2 0.1 3 4 6 8 10 20 30 40 60 80 100 200 SINE / SQUARE WAVE PW = 100ms* PW = 1ms* PW = 8.3ms* 40 30 20 10 0 0 0.2 0.4 0.6 0.8 1 MCUNTE ON 8.0mm2 COPPER PADS TO EACH TERMINAL L, LEAD LENGTH TO HEAT SINK (INCH) NOMINAL VZ(V) Fig. 4-TYPICAL THERMAL RESISTANCE Fig. 5-MAXIMUM NON-REPETITIVE SURGE CURRENT VERSUS NOMINAL ZENER VOLTAGE (SEE NOTE 3) www.mccsemi.com SMCJ5348 thru SMCJ5388 RATING AND CHARACTERISTICS CURVES ZENER VOLTAGE VERSUS ZENER CURRENT (FIGURES 7,8, AND 9) 30 20 10 5 2 1 0.5 VZ = 200V 0.2 0.1 1 10 100 1000 PLOTTED FROM INFORMATION GIVEN IN FIGURE 6 MCC IZ, ZENER CURRENT (mA) TC = 25 J 1000 T = 25 J VZ = 6.8V 100 10 1 0.1 1 2 3 4 5 6 7 8 9 10 VZ, ZENER VOLTAGE (VOLTS) Fig. 6-PEAK SURGE CURRENT VERSUS PULSE WIDTH(SEE NOTE 3) 1000 T = 25 J 100 Fig. 7-ZENER VOLTAGE VERSUS ZENER CURRENT VZ = 6.8 THRU 10 VOLTS 1000 IZ, ZENER CURRENT (mA) IZ, ZENER CURRENT (mA) 100 10 10 1 1 0.1 10 50 20 60 30 40 70 80 0.1 80 100 120 140 160 180 200 220 VZ, ZENER VOLTAGE (VOLTS) VZ, ZENER VOLTAGE (VOLTS) Fig. 8-ZENER VOLTAGE VERSUS ZENER CURRENT VZ = 11 THRU 75 VOLTS Fig. 9-ZENER VOLTAGE VERSUS ZENER CURRENT VZ = 82 THRU 200 VOLTS *** Data of Figure 3 should not be used to compute surge capability. Surge limitations are given in Figure 5. They are lower than would be expected by considering only junction temperature, as current crowding effects cause temperatures to be extremely high in small spots resulting in device degradation should the limits of Figure. 5 be exceeded www.mccsemi.com |
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