1SMA4728A-1SMA4764A
SURFACE MOUNT
ZENER DIODES
VZ : 3.3 - 100Volts
P
D
: 1 Watt
FEATURES :
* 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
MECHANICAL DATA
* Case : SMA (DO-214AC) Molded plastic
* Epoxy : UL94V-O rate flame retardant
* Lead : Lead formed for Surface mount
* Polarity : Color band denotes cathode end
* Mounting position : Any
* Weight : 0.064 gram
Rating at 25 °C ambient temperature unless otherwise specified
Rating Symbol Value Unit
DC Power Dissipation at TL = 75 °C (Note1) PD1.0 W
Maximum Forward Voltage at IF = 200 mA VF1.2 V
Junction Temperature Range TJ- 55 to + 150 °C
Storage Temperature Range Ts - 55 to + 150 °C
Note :
(1) P.C.B. Mounted on 0.31x0.31x0.08" (8x8x2mm) copper areas pads.
0
25
50
75
100
125
150
175
TL, LEAD TEMPERATURE (°C)
Page 1 of 2 Rev. 02 : April 1, 2005
0.25
0.50
0.75
1.00
1.25
PD
, MAXIMUM DISSIPATION
(WATTS)
Fig. 1 MAXIMUM CONTINUOUS POWER DERATING
0
2.0 ± 0.2
2
.
1
±
0
.
2
SMA (DO-214AC)
1.2
±
0.2
5
.
0
±
0
.
15
4.5 ± 0.15
2.6 ± 0.15
Dimensions in millimeter
1.1 ± 0.3
0.2 ± 0.07
P.C.B. Mounted on
0.31x0.31x0.08" (8x8x2mm)
copper areas pads
ELECTRICAL CHARACTERISTICS
Rating at 25 °C ambient temperature unless otherwise specified
Nominal Zener Maximum Zener Maximum Reverse Maximum DC Maximum
Device Voltage Impedance Leakage Current Zener Current Surge Current
Marking VZ @ IZT IZT ZZT @ IZT ZZK @ IZK IZK IR @ VRIZM IRM(2)
(V) (mA) (Ω) (Ω)(mA) (µA) (V) (mA) (mApk)
1SMA4728A 728A 3.3 76.0 10 400 1.0 100 1.0 276 1380
1SMA4729A 729A 3.6 69.0 10 400 1.0 100 1.0 252 1260
1SMA4730A 730A 3.9 64.0 9.0 400 1.0 50 1.0 234 1190
1SMA4731A 731A 4.3 58.0 9.0 400 1.0 10 1.0 217 1070
1SMA4732A 732A 4.7 53.0 8.0 500 1.0 10 1.0 193 970
1SMA4733A 733A 5.1 49.0 7.0 550 1.0 10 1.0 178 890
1SMA4734A 734A 5.6 45.0 5.0 600 1.0 10 2.0 162 810
1SMA4735A 735A 6.2 41.0 2.0 700 1.0 10 3.0 146 730
1SMA4736A 736A 6.8 37.0 3.5 700 1.0 50 4.0 133 660
1SMA4737A 737A 7.5 34.0 4.0 700 0.5 50 5.0 121 605
1SMA4738A 738A 8.2 31.0 4.5 700 0.5 50 6.0 110 550
1SMA4739A 739A 9.1 28.0 5.0 700 0.5 50 7.0 100 500
1SMA4740A 740A 10 25.0 7.0 700 0.25 50 7.6 91 454
1SMA4741A 741A 11 23.0 8.0 700 0.25 50 8.4 83 414
1SMA4742A 742A 12 21.0 9.0 700 0.25 5.0 9.1 76 380
1SMA4743A 743A 13 19.0 10 700 0.25 5.0 9.9 69 344
1SMA4744A 744A 15 17.0 14 700 0.25 5.0 11.4 61 305
1SMA4745A 745A 16 15.5 16 700 0.25 5.0 12.2 57 285
1SMA4746A 746A 18 14.0 20 750 0.25 5.0 13.7 50 250
1SMA4747A 747A 20 12.5 22 750 0.25 5.0 15.2 45 225
1SMA4748A 748A 22 11.5 23 750 0.25 5.0 16.7 41 205
1SMA4749A 749A 24 10.5 25 750 0.25 5.0 18.2 38 190
1SMA4750A 750A 27 9.5 35 750 0.25 5.0 20.6 34 170
1SMA4751A 751A 30 8.5 40 1000 0.25 5.0 22.8 30 150
1SMA4752A 752A 33 7.5 45 1000 0.25 5.0 25.1 27 135
1SMA4753A 753A 36 7.0 50 1000 0.25 5.0 27.4 25 125
1SMA4754A 754A 39 6.5 60 1000 0.25 5.0 29.7 23 115
1SMA4755A 755A 43 6.0 70 1500 0.25 5.0 32.7 22 110
1SMA4756A 756A 47 5.5 80 1500 0.25 5.0 35.8 19 95
1SMA4757A 757A 51 5.0 95 1500 0.25 5.0 38.8 18 90
1SMA4758A 758A 56 4.5 110 2000 0.25 5.0 42.6 16 80
1SMA4759A 759A 62 4.0 125 2000 0.25 5.0 47.1 14 70
1SMA4760A 760A 68 3.7 150 2000 0.25 5.0 51.7 13 65
1SMA4761A 761A 75 3.3 175 2000 0.25 5.0 56.0 12 60
1SMA4762A 762A 82 3.0 200 3000 0.25 5.0 62.2 11 55
1SMA4763A 763A 91 2.8 250 3000 0.25 5.0 69.2 10 50
1SMA4764A 764A 100 2.5 350 3000 0.25 5.0 76.0 9.0 45
Notes :
(
1
)
The type number listed have a standard tolerance on the nominal zener voltage of
±
5
%.
(2) The revese surge current is a non-repetitive, 8.3ms pulse width square wave or equivalent sine-wave superimposed
on I
ZT
per JEDEC Method
Page 2 of 2 Rev. 02 : April 1, 2005
Type