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
MAXIMUM RATINGS
Rating at 25 °C ambient temperature unless otherwise specified
Rating Symbol Value Unit
DC Power Dissipation at TL = 75 °C (Note1) PD
1.0 W
Maximum Forward Voltage at I
F = 200 mA VF
1.2 V
Junction Temperature Range
T
J
- 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)
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 @ VR IZM
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
Type
1SMA4728A-1SMA4764A