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1SMA4728A-1SMA4764A
VZ : 3.3 - 100Volts PD : 1 Watt
* Complete voltage range 3.3 to 100 volts * High peak reverse power dissipation * High reliability * Low leakage current * Standard zener voltage tolerance is 5%. * Pb / RoHS Free
SURFACE MOUNT ZENER DIODES
SMA-L
1.3 0.2 5.4 0.2 4.4 0.2 2.3 0.2
FEATURES :
1.8 0.2 2.7 0.2
MECHANICAL DATA :
* Case : SMA-L Molded plastic * Epoxy : UL94V-O rate flame retardant * Polarity : Color band denotes cathode end * Mounting position : Any * Weight : 0.060 gram (Approximately)
1.8 0.2
Dimensions in millimeter
MAXIMUM RATINGS
Rating at 25 C ambient temperature unless otherwise specified
Rating
DC Power Dissipation at TL = 75 C (Note1) Maximum Forward Voltage at I F = 200 mA Junction Temperature Range Storage Temperature Range
Symbol
PD VF TJ TS
Value
1.0 1.2 - 55 to + 150 - 55 to + 150
Unit
W V C C
Note : (1) P.C.B. Mounted on 0.31x0.31x0.08" (8x8x2mm) copper areas pad
Fig. 1 PD, MAXIMUM DISSIPATION (WATTS) 1.25 1.00 0.75 0.50 0.25 0 0
MAXIMUM CONTINUOUS POWER DERATING
P.C.B. Mounted on 0.31x0.31x0.08" (8x8x2mm) copper areas pads
25
50
75
100
125
150
175
TL, LEAD TEMPERATURE (C)
Page 1 of 2
Rev. 03: January 14, 2006
ELECTRICAL CHARACTERISTICS
Rating at 25 C ambient temperature unless otherwise specifie Nominal Zener Maximum Zener Impedance ZZK @ IZK () 400 400 400 400 500 550 600 700 700 700 700 700 700 700 700 700 700 700 750 750 750 750 750 1000 1000 1000 1000 1500 1500 1500 2000 2000 2000 2000 3000 3000 3000 IZK (mA) 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 0.5 0.5 0.5 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 Maximum Reverse Leakage Current IR @ VR (A) 100 100 50 10 10 10 10 10 50 50 50 50 50 50 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 (V) 1.0 1.0 1.0 1.0 1.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 7.6 8.4 9.1 9.9 11.4 12.2 13.7 15.2 16.7 18.2 20.6 22.8 25.1 27.4 29.7 32.7 35.8 38.8 42.6 47.1 51.7 56.0 62.2 69.2 76.0 Maximum DC Zener Current IZM (mA) 276 252 234 217 193 178 162 146 133 121 110 100 91 83 76 69 61 57 50 45 41 38 34 30 27 25 23 22 19 18 16 14 13 12 11 10 9.0 Maximum Surge Current IRM(2) (mApk) 1380 1260 1190 1070 970 890 810 730 660 605 550 500 454 414 380 344 305 285 250 225 205 190 170 150 135 125 115 110 95 90 80 70 65 60 55 50 45
Type
Device Marking
728A 729A 730A 731A 732A 733A 734A 735A 736A 737A 738A 739A 740A 741A 742A 743A 744A 745A 746A 747A 748A 749A 750A 751A 752A 753A 754A 755A 756A 757A 758A 759A 760A 761A 762A 763A 764A
Voltage VZ @ IZT IZT (V) (mA) 76.0 69.0 64.0 58.0 53.0 49.0 45.0 41.0 37.0 34.0 31.0 28.0 25.0 23.0 21.0 19.0 17.0 15.5 14.0 12.5 11.5 10.5 9.5 8.5 7.5 7.0 6.5 6.0 5.5 5.0 4.5 4.0 3.7 3.3 3.0 2.8 2.5
ZZT @ IZT () 10 10 9.0 9.0 8.0 7.0 5.0 2.0 3.5 4.0 4.5 5.0 7.0 8.0 9.0 10 14 16 20 22 23 25 35 40 45 50 60 70 80 95 110 125 150 175 200 250 350
1SMA4728A 1SMA4729A 1SMA4730A 1SMA4731A 1SMA4732A 1SMA4733A 1SMA4734A 1SMA4735A 1SMA4736A 1SMA4737A 1SMA4738A 1SMA4739A 1SMA4740A 1SMA4741A 1SMA4742A 1SMA4743A 1SMA4744A 1SMA4745A 1SMA4746A 1SMA4747A 1SMA4748A 1SMA4749A 1SMA4750A 1SMA4751A 1SMA4752A 1SMA4753A 1SMA4754A 1SMA4755A 1SMA4756A 1SMA4757A 1SMA4758A 1SMA4759A 1SMA4760A 1SMA4761A 1SMA4762A 1SMA4763A 1SMA4764A
3.3 3.6 3.9 4.3 4.7 5.1 5.6 6.2 6.8 7.5 8.2 9.1 10 11 12 13 15 16 18 20 22 24 27 30 33 36 39 43 47 51 56 62 68 75 82 91 100
Notes : (1) The type number listed have a standard tolerance on the nominal zener voltage 5%. (2) The revese surge current is a non-repetitive, 8.3ms pulse width square wave or equivalent sine-wave superimposed on IZT per JEDEC Method
Page 2 of 2
Rev. 03: January 14, 2006

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