ZS4728A thru ZS4755A SURFACE MOUNT ZENER TYPE SMA/DO-214AC 0.189(4.8) 0.165(4.2) 0.012(0.3) Typ . 0.106(2.7) 0.091(2.3) 0.165(4.2) 0.150(3.8) 0.071(1.8 ) 0.055(1.4) 0.040(1.0) Typ . 0.040 (1.0) Typ . Dimensions in inches and (millimeters) FEATURES MECHANICAL DATA 1 Watt Power Dissipation High Voltages from 3.3~43v Designed for mounting on small surface Extremely thin/leadless package Case Molded plastic, JEDEC DO-214AC (SMA) Terminals Solder plated, solderable per MIL-STD-750, Method 2026 Polarity Indicated by cathode band Mounting Position Any Weight 0.05gram (approx.) MAXIMUM RATINGS (at TA=25 C unless otherwise noted) o PARAMETER Forward voltage CONDITIONS SYMBOL IF=200mADC Power Dissipation Forward surge current 8.3ms Single Half Sine-Wave Superimposed on Rated Load (JEDEC Method) Storage temperature Operating temperature www.paceleader.tw 1 Typ. Max. UNITS VF 1.20 V Po 1000 mW IFSM 100 mA Min. TSTG -55 +125 0 TJ -55 +125 0 C C ZS4728A thru ZS4755A SURFACE MOUNT ZENER TYPE ELECTRICAL CHARACTERISTICS (at TA=25 C unless otherwise noted) o Zener voltage Test current VZ@IZT IZT ZZT@ IZK ZZK@ IZK IZK Zener Impedance Leakage Current Surge Current Part No. Marking code Volts mA OHMs OHMs mA Volts mA ZS4728A Z3V3 3.3 76 10 400 1 150 1 1380 ZS4729A Z3V6 3.6 79 10 400 1 100 1 1260 ZS4730A Z3V9 3.9 64 9 400 1 100 1 1190 ZS4731A Z4V3 4.3 58 9 400 1 50 1 1070 ZS4732A Z4V7 4.7 53 8 500 1 10 1 970 ZS4733A Z5V1 5.1 49 7 550 1 10 1 890 ZS4734A Z5V6 5.6 45 5 600 1 10 2 810 ZS4735A Z6V2 6.2 41 2 700 1 10 3 730 ZS4736A Z6V8 6.8 37 3.5 700 1 10 4 660 ZS4737A Z7V5 7.5 34 4.0 700 0.5 10 5 605 ZS4738A Z8V2 8.2 31 4.5 700 0.5 10 6 550 ZS4739A Z9V1 9.1 28 5.0 700 0.5 10 7 500 ZS4740A Z10 10 25 7 700 0.25 10 7.6 454 ZS4741A Z11 11 23 8 700 0.25 5 8.4 414 ZS4742A Z12 12 21 9 700 0.25 5 9.1 380 ZS4743A Z13 13 19 10 700 0.25 5 9.9 344 ZS4744A Z15 15 17 14 700 0.25 5 11.4 304 ZS4745A Z16 16 15.5 16 700 0.25 5 12.2 285 ZS4746A Z18 18 14 20 750 0.25 5 13.7 250 ZS4747A Z20 20 12.5 22 750 0.25 5 15.2 225 ZS4748A Z22 22 11.5 23 750 0.25 5 16.7 205 ZS4749A Z24 24 10.5 25 750 0.25 5 18.2 190 ZS4750A Z27 27 9.5 35 750 0.25 5 20.6 170 150 IR A VR Isurge ZS4751A Z30 30 8.5 40 1000 0.25 5 22.8 ZS4752A Z33 33 7.5 45 1000 0.25 5 25.1 135 ZS4753A Z36 36 7.0 50 1000 0.25 5 27.4 125 ZS4754A Z39 39 6.5 60 1000 0.25 5 29.7 115 ZS4755A Z43 43 6.0 70 1500 0.25 5 32.7 105 NOTE 5% tolerance of Zener voltage www.paceleader.tw 2 ZS4728A thru ZS4755A SURFACE MOUNT ZENER TYPE RATING AND CHARACTERISTICS CURVES ZS4728A THRU ZS4755A VZ , T E M P E R AT UR E C O E F F I C I E NT ( m V/ ) VZ , T E M P E R AT UR E C O E F F I C I E NT ( m V/ ) FIG. 1A- Range for Units to 12 Volts +12 +10 +8 +6 +4 +2 VZ•—I @ ZT RANGE 0 -2 -4 2 3 4 5 6 7 8 9 10 11 FIG.1B- Range for Unit s to 12 to 100 100 70 50 30 20 10 7 5 3 2 1 12 10 20 50 70 100 to+150 temperature change;90% of the units are in the ranges indicated.) VZ T E M P E R AT UR E C O E F F I C I E NT ( m V/ ) Figure 2. Temperature Coefficients (-55 175 150 J L , J UM C T I O N T O L E AD T H E R M AL 30 VZ, ZENER VOLTAGE (VOLTS ) VZ, ZENER VOLTAGE (VOLTS ) 125 100 75 50 25 +6 VZ•—I @ Z TA=25 +4 20mA +2 0.01mA 0 1mA -2 NOTE:BELOW 3 VOLTS AAND ABOCE 8 VOLTS CHANGES IN ZENER CURRENT DO NOT -4 0 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 3 0.9 Figure 3. Typical Ther mal Resistance versus Lead 1000 700 500 6 7 8 Figure 4. Effect of Zener Current C , C AP AC I T ANC E (P F ) 100 70 50 20 5 400 300 200 Tj=25 Iz(ms)=0.1Iz(do) f=60H z Iz=1mA 200 4 VZ, ZENER VOLTAGE (VOLTS) L, LEAD LENGTH TO HEAT SINK (INCHES ) Z Z DYNAM I C I M P E DANC E (O H NS) VZ•—I @ ZT RANGE 5mA 20mA 10 7 5 2 1 0VBIAS 100 0VBIAS 50 20 10 8 50% OF BREAKDOWNBIAS 4 1 2 3 5 7 10 20 30 50 1 70 100 VZ, ZENER CURR ENT (mA) 2 5 Figure . 7 - Power Te mperature Derating Curve P D , M AXI M UM DI SSI P AT I O N (W AT T S) www.paceleader.tw 20 VZ, NOMINAL VZ (VOLTS) 1.25 1.0 0.75 0.5 0.25 0 10 20 40 60 80 100 120 140 160 T L , LEAD TEMPERATURE (O C) 3 180 20 0 50 100