SML4728A - SML4764A SURFACE MOUNT SILICON
ZENER DIODES
V
Z
:
3
.
3
-
Volts
P
D
:
1
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. 05 : November 19, 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)
SML4728A 3.3 76.0 10 400 1.0 100 1.0 276 1380
SML4729A 3.6 69.0 10 400 1.0 100 1.0 252 1260
SML4730A 3.9 64.0 9.0 400 1.0 50 1.0 234 1190
SML4731A 4.3 58.0 9.0 400 1.0 10 1.0 217 1070
SML4732A 4.7 53.0 8.0 500 1.0 10 1.0 193 970
SML4733A 5.1 49.0 7.0 550 1.0 10 1.0 178 890
SML4734A 5.6 45.0 5.0 600 1.0 10 2.0 162 810
SML4735A 6.2 41.0 2.0 700 1.0 10 3.0 146 730
SML4736A 6.8 37.0 3.5 700 1.0 50 4.0 133 660
SML4737A 7.5 34.0 4.0 700 0.5 50 5.0 121 605
SML4738A 8.2 31.0 4.5 700 0.5 50 6.0 110 550
SML4739A 9.1 28.0 5.0 700 0.5 50 7.0 100 500
SML4740A 10 25.0 7.0 700 0.25 50 7.6 91 454
SML4741A 11 23.0 8.0 700 0.25 50 8.4 83 414
SML4742A 12 21.0 9.0 700 0.25 5.0 9.1 76 380
SML4743A 13 19.0 10 700 0.25 5.0 9.9 69 344
SML4744A 15 17.0 14 700 0.25 5.0 11.4 61 305
SML4745A 16 15.5 16 700 0.25 5.0 12.2 57 285
SML4746A 18 14.0 20 750 0.25 5.0 13.7 50 250
SML4747A 20 12.5 22 750 0.25 5.0 15.2 45 225
SML4748A 22 11.5 23 750 0.25 5.0 16.7 41 205
SML4749A 24 10.5 25 750 0.25 5.0 18.2 38 190
SML4750A 27 9.5 35 750 0.25 5.0 20.6 34 170
SML4751A 30 8.5 40 1000 0.25 5.0 22.8 30 150
SML4752A 33 7.5 45 1000 0.25 5.0 25.1 27 135
SML4753A 36 7.0 50 1000 0.25 5.0 27.4 25 125
SML4754A 39 6.5 60 1000 0.25 5.0 29.7 23 115
SML4755A 43 6.0 70 1500 0.25 5.0 32.7 22 110
SML4756A 47 5.5 80 1500 0.25 5.0 35.8 19 95
SML4757A 51 5.0 95 1500 0.25 5.0 38.8 18 90
SML4758A 56 4.5 110 2000 0.25 5.0 42.6 16 80
SML4759A 62 4.0 125 2000 0.25 5.0 47.1 14 70
SML4760A 68 3.7 150 2000 0.25 5.0 51.7 13 65
SML4761A 75 3.3 175 2000 0.25 5.0 56.0 12 60
SML4762A 82 3.0 200 3000 0.25 5.0 62.2 11 55
SML4763A 91 2.8 250 3000 0.25 5.0 69.2 10 50
SML4764A 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. 05 : November 19, 2005
Type