SML4728
-
SML
4764
SURFACE MOUNT SILICON
ZENER DIODES
V
Z
:
3
.
3
-
100
Volts
P
D
:
1
Watt
FEATURES :
* Complete Voltage Range 3.3 to 100 Volts
* High peak reverse power dissipation
* High reliability
* Low leakage current
* Pb / RoHS Free
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)
MAXIMUM RATINGS
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
.
31
x
0
.
31
x
0
.
08
" (
8
x
8
x
2
mm
)
copper areas pads
.
0
25
50
75
100
125
150
175
TL, LEAD TEMPERATURE (°C)
Page 1 of 2 Rev. 04 : November 9, 2005
0.25
0.50
0.75
1.00
1.25
P.C.B. Mounted on
0.31x0.31x0.08" (8x8x2mm)
copper areas pads
PD, MAXIMUM DISSIPATION
(WATTS)
Fig. 1 MAXIMUM CONTINUOUS POWER DERATING
0
2.3
±
0
.
2
SMA-L
1.8 ± 0.2
5.4 ± 0.2
4.4 ± 0.2
2.7 ± 0.2
Dimensions in millimeter
1.3 ± 0.2
1.8 ± 0.2
ELECTRICAL CHARACTERISTICS
Rating at 25 °C ambient temperature unless otherwise specified
Nominal Zener Maximum Zener Maximum Reverse Maximum DC Maximum
Voltage Impedance Leakage Current Zener Current Surge Current
V
Z (1)
@ I
ZT IZT ZZT @ IZT ZZK @ IZK IZK IR @ VRIZM
I
RM(2)
(V) (mA) (Ω ) (Ω )(mA) (µA) (V) (mA) (mApk)
SML4728 3.3 76.0 10 400 1.0 100 1.0 276 1380
SML4729 3.6 69.0 10 400 1.0 100 1.0 252 1260
SML4730 3.9 64.0 9.0 400 1.0 50 1.0 234 1190
SML4731 4.3 58.0 9.0 400 1.0 10 1.0 217 1070
SML4732 4.7 53.0 8.0 500 1.0 10 1.0 193 970
SML4733 5.1 49.0 7.0 550 1.0 10 1.0 178 890
SML4734 5.6 45.0 5.0 600 1.0 10 2.0 162 810
SML4735 6.2 41.0 2.0 700 1.0 10 3.0 146 730
SML4736 6.8 37.0 3.5 700 1.0 50 4.0 133 660
SML4737 7.5 34.0 4.0 700 0.5 50 5.0 121 605
SML4738 8.2 31.0 4.5 700 0.5 50 6.0 110 550
SML4739 9.1 28.0 5.0 700 0.5 50 7.0 100 500
SML4740 10 25.0 7.0 700 0.25 50 7.6 91 454
SML4741 11 23.0 8.0 700 0.25 50 8.4 83 414
SML4742 12 21.0 9.0 700 0.25 5.0 9.1 76 380
SML4743 13 19.0 10 700 0.25 5.0 9.9 69 344
SML4744 15 17.0 14 700 0.25 5.0 11.4 61 305
SML4745 16 15.5 16 700 0.25 5.0 12.2 57 285
SML4746 18 14.0 20 750 0.25 5.0 13.7 50 250
SML4747 20 12.5 22 750 0.25 5.0 15.2 45 225
SML4748 22 11.5 23 750 0.25 5.0 16.7 41 205
SML4749 24 10.5 25 750 0.25 5.0 18.2 38 190
SML4750 27 9.5 35 750 0.25 5.0 20.6 34 170
SML4751 30 8.5 40 1000 0.25 5.0 22.8 30 150
SML4752 33 7.5 45 1000 0.25 5.0 25.1 27 135
SML4753 36 7.0 50 1000 0.25 5.0 27.4 25 125
SML4754 39 6.5 60 1000 0.25 5.0 29.7 23 115
SML4755 43 6.0 70 1500 0.25 5.0 32.7 22 110
SML4756 47 5.5 80 1500 0.25 5.0 35.8 19 95
SML4757 51 5.0 95 1500 0.25 5.0 38.8 18 90
SML4758 56 4.5 110 2000 0.25 5.0 42.6 16 80
SML4759 62 4.0 125 2000 0.25 5.0 47.1 14 70
SML4760 68 3.7 150 2000 0.25 5.0 51.7 13 65
SML4761 75 3.3 175 2000 0.25 5.0 56.0 12 60
SML4762 82 3.0 200 3000 0.25 5.0 62.2 11 55
SML4763 91 2.8 250 3000 0.25 5.0 69.2 10 50
SML4764 100 2.5 350 3000 0.25 5.0 76.0 9 45
Notes :
(1) Standard voltage tolerance is 10%, Suffix A ± 5%
(2) Surge current is a non-repetitive, 8.3ms pulse width square wave or equivalent sine-wave superimposed on IZT per JEDEC Method
(3) " SML " will be omitted in marking on the diode.
Page 2 of 2 Rev. 04 : November 9, 2005
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