1SMA4728A THRU 1SMA200A
Zener Voltage - 3.3 to 200 Volts
Peak Pulse Power - 1.0 W
SURFACE MOUNT ZENER DIODE
Features
DO-214AC/SMA
For surface mounted applications in order to optimize board
space
Low profile package
Built-in strain relief
Glass passivated junction
Low inductance
0.110(2.80)
0.094(2.40)
0.067 (1.70)
0.051 (1.30)
Typical IR less than 5.0μA above 11V
0.177(4.50)
0.157(3.99)
High temperature soldering guaranteed:
0.012(0.305)
0.006(0.152)
260°C / 10 seconds at terminals
Plastic package has Underwriters Laboratory Flammability
0.096(2.42)
0.078(1.98)
Classification 94V-0
0.060(1.52)
0.030(0.76)
0.008(0.203)MAX.
0.208(5.30)
0.188(4.80)
Mechanical Data
Case : JEDEC DO-214AC/SMA Molded plastic body
Terminals : Solder plated, solderable per MIL-STD-750,Method 2026
Polarity : Polarity symbol marking on body
Mounting Position : Any
Weight : 0.002ounce, 0.055grams
Dimensions in inches and (millimeters)
Standard packing : 12mm tape(E1A-481)
Maximum Ratings And Electrical Characteristics
Ratings at 25 C ambient temperature unless otherwise specified.
MDD Catalog Number
Peak Power Dissipation at TA=50OC,
Derate above 50 OC (Note 1)
Peak Forward Surge Current, 8.3 ms Single Half
Sine-wave Superimposed on Rated Load
(JEDEC method) (Note 2)
Operating and Storage Temperature Range
SYMBOLS
VALUE
UNITS
PD
1.0
6.67
Watts
mW/ OC
IFSM
10.0
mps
TJ, TSTG
-55 to + 150
O
C
Notes: 1. Mounted on 5.0mm2 (0.013mm thick) land areas.
2. Measured on 8.3ms Single Half Sine-wave or Equivalent Square Wave,
Duty Cycle=4 Pulses Per Minute Maximum.
DN:T19801A0
https://www.microdiode.com
Rev:2019A0
Page :1
1SMA4728A THRU 1SMA200A
Zener Voltage - 3.3 to 200 Volts
Peak Pulse Power - 1.0 W
Ratings And Characteristic Curves
ELECTRICAL CHARACTERISTICS (TA=25OC unless otherwise noted) VF=1.2V max, IF=200mA for all types.
Maximum Zener Impedance
V Z @ IZT
Part Number
ZZT @ IZT
Nom. V
Min. V
ZZK @ IZK
Maximum
Leakage
Current
IR @V R
Max. V
O
mA
O
mA
uA
V
Marking Code
Package
1.0 Watt ZENER Diodes -- continued
1SMA4728
3.3
3.1
3.5
10.0
76.0
400
1.00
100
1.0
728A
SMA
1SMA4729
3.6
3.4
3.8
10.0
69.0
400
1.00
100
1.0
729A
SMA
1SMA4730
3.9
3.7
4.1
9.0
64.0
400
1.00
50
1.0
730A
SMA
1SMA4731
4.3
4.1
4.5
9.0
58.0
400
1.00
10
1.0
731A
SMA
1SMA4732
4.7
4.5
4.9
8.0
53.0
500
1.00
10
1.0
732A
SMA
1SMA4733
5.1
4.8
5.4
7.0
49.0
550
1.00
10
1.0
733A
SMA
1SMA4734
5.6
5.3
5.9
5.0
45.0
600
1.00
10
2.0
734A
SMA
1SMA4735
6.2
5.9
6.5
2.0
41.0
700
1.00
10
3.0
735A
SMA
1SMA4736
6.8
6.5
7.1
3.5
37.0
700
1.00
10
4.0
736A
SMA
1SMA4737
7.5
7.1
7.9
4.0
34.0
700
0.50
10
5.0
737A
SMA
1SMA4738
8.2
7.8
8.6
4.5
31.0
700
0.50
10
6.0
738A
SMA
1SAM4739
9.1
8.6
9.6
5.0
28.0
700
0.50
10
7.0
739A
SMA
1SMA4740
10.0
9.5
10.5
7.0
25.0
700
0.25
10
7.6
740A
SMA
1SMA4741
11.0
10.5
11.6
8.0
23.0
700
0.25
5.0
8.4
741A
SMA
1SMA4742
12.0
11.4
12.6
9.0
21.0
700
0.25
5.0
9.1
742A
SMA
1SMA4743
13.0
12.4
13.7
10.0
19.0
700
0.25
5.0
9.9
743A
SMA
1SMA4744
15.0
14.3
15.8
14.0
17.0
700
0.25
5.0
11.4
744A
SMA
1SMA4745
16.0
15.2
16.8
16.0
15.5
700
0.25
5.0
12.2
745A
SMA
1SMA4746
18.0
17.1
18.9
20.0
14.0
750
0.25
5.0
13.7
746A
SMA
1SMA4747
20.0
19.0
21.0
22.0
12.5
750
0.25
5.0
15.2
747A
SMA
1SMA4748
22.0
20.9
23.1
23.0
11.5
750
0.25
5.0
16.7
748A
SMA
1SMA4749
24.0
22.8
25.2
25.0
10.5
750
0.25
5.0
18.2
749A
SMA
1SMA4750
27.0
25.7
28.4
35.0
9.5
750
0.25
5.0
20.6
750A
SMA
1SMA4751
30.0
28.5
31.5
40.0
8.5
1000
0.25
5.0
22.8
751A
SMA
1SMA4752
33.0
31.4
34.7
45.0
7.5
1000
0.25
5.0
25.1
752A
SMA
1SMA4753
36.0
34.2
37.8
50.0
7.0
1000
0.25
5.0
27.4
753A
SMA
1SMA4754
39.0
37.1
41
60.0
6.5
1000
0.25
5.0
29.7
754A
SMA
1SMA4755
43.0
40.9
45.2
70.0
6.0
1500
0.25
5.0
32.7
755A
SMA
1SMA4756
47.0
44.7
49.4
80.0
5.5
1500
0.25
5.0
35.8
756A
SMA
1SMA4757
51.0
48.5
53.6
95.0
5.0
1500
0.25
5.0
38.8
757A
SMA
1SMA4758
56.0
53.2
58.8
110
4.5
2000
0.25
5.0
42.6
758A
SMA
1SMA4759
62.0
58.9
65.1
125
4.0
2000
0.25
5.0
47.1
759A
SMA
1SMA4760
68.0
64.6
71.4
150
3.7
2000
0.25
5.0
51.7
760A
SMA
1SMA4761
75.0
71.3
78.8
175
3.3
2000
0.25
5.0
56.0
761A
SMA
1SMA4762
82.0
77.9
86.1
200
3.0
3000
0.25
5.0
62.2
762A
SMA
1SMA4763
91.0
86.5
95.6
250
2.8
3000
0.25
5.0
69.2
763A
SMA
1SMA4764
100
95.0
105
350
2.5
3000
0.25
5.0
76.0
100A
SMA
1SMA110A
110
104.5
115.5
450
2.3
4000
0.25
5.0
83.6
110A
SMA
1SMA120A
120
114
126
550
2.0
0.25
5.0
91.2
120A
SMA
1SMA130A
130
123.5
136.5
700
1.9
4500
5000
0.25
5.0
98.8
130A
SMA
1SMA150A
150
142.5
157.5
1000
1.7
6000
0.25
5.0
114.0
150A
SMA
1SMA160A
160
152
168
1100
1.6
6500
0.25
5.0
121.6
160A
SMA
1SMA180A
180
171
189
1200
1.4
7000
0.25
5.0
136.8
180A
SMA
1SMA200A
200
190
210
1500
1.2
8000
0.25
5.0
152.0
200A
SMA
https://www.microdiode.com
Rev:2019A0
Page :2
1SMA4728A THRU 1SMA200A
Zener Voltage - 3.3 to 200 Volts
FIG.1- POWER TEMPERATURE DERATING CURVE
FIG.2- TYPICAL FORWARD CHARACTERISTICS
1000
1.25
MINIMUM
MAXIMUM
500
IF, FORWARD CURRENT (mA)
PD, MAXIMUM POWER DISSIPATION (WATTS)
Peak Pulse Power - 1.0 W
1.0
0.75
0.50
0.25
200
100
50
20
10
5.0
70 C
o
150 C
o
25 C
o
2.0
0
20
40
60
80
100
120
140
160
180
0 oC
1.0
0.4
200
0.5
o
AMBIENT TEMPERATURE( C)
10000
7000
5000
1000
TJ = 25 C
IZ(rms)= 0.1 IZ(dc)
f = 1KHz
o
ZZ, DYNAMIC IMPEDANCE (OHMS)
200
47V
100
1000
700
500
27V
0.1
0.2
0.5
1.0
2.0
5.0
10
20
50
100
IZ, ZENER CURRENT (mA)
ZZ, DYNAMIC IMPEDANCE (OHMS)
FIG.4- EFFECT OF ZENER VOLTAGE
ON ZENER IMPEDANCE
1000
700
500
IR, LEAKAGE CURRENT ( A)
2.0
1.1
20
10
7.0
5.0
2.0
1.0
0.7
0.5
+125 C
o
0.2
TJ = 25 C
IZ(rms)= 0.1 IZ(dc)
f = 1KHz
o
IZ = 1.0mA
200
100
70
50
5.0mA
20
20mA
0.1
0.07
0.05
0.02
0.01
0.007
0.005
10
7.0
5.0
+25 C
o
0.002
2.0
1.0
1.0
100
70
50
5.0
1.0
0.9
200
0.8V
10
0.8
TYPICAL LEAKAGE CURRENT
AT 80% OF NOMINAL
BREAKDOWN VOLTAGE
2000
50
20
0.7
FIG.5- TYPICAL LEAKAGE CURRENT
FIG.3- EFFECT OF ZENER CURRENT
ON ZENER IMPEDANCE
500
0.6
VF, FORWARD VOLTAGE (VOLTS)
0.001
3.0
1.0
2.0
3.0
5.0
7.0
10
20
30
50 70
4.0
5.0
6.0
7.0
8.0
9.0
10
11
12
13
14
15
VZ, NOMINAL ZENER VOLTAGE (VOLTS)
100
IZ, ZENER CURRENT (mA)
FIG.6- TYPICAL CAPACITANCE versus Vz
FIG.7- TEMPERATURE COEFFICIENTS
400
300
C, CAPACITANCE (pF)
0V BIAS
1.0V BIAS
100
10
8
50% OF BREAKDOWN BIAS
4
1.0
10
VZ, FORWARD VOLTAGE (VOLTS)
100
OVZ, TEMPERAYURE COEFFICIENT (mV/oC)
a-RANGE FOR UNITS TO 12 VOLTS
200
+12
+10
+8.0
+6.0
+4.0
+2.0
RANGE
0
V Z @ I ZT
-2.0
-4.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
9.0
10
11
12
VZ, ZENER VOLTAGE (VOLTS)
The cruve graph is for reference only
https://www.microdiode.com
Rev:2019A0
Page :3
1SMA4728A THRU 1SMA200A
Zener Voltage - 3.3 to 200 Volts
FIG.7- TEMPERATURE COEFFICIENTS
FIG.8- EFFECT OF ZENER CURRENT
OVZ, TEMPERAYURE COEFFICIENT (mV/oC)
OVZ, TEMPERAYURE COEFFICIENT (mV/oC)
b-RANGE FOR UNITS 12 TO 100 VOLTS
100
70
50
30
20
VZ @ IZT
RANGE
10
7.0
5.0
3.0
2.0
1.0
10
20
30
50
Peak Pulse Power - 1.0 W
70
+6.0
VZ @ IZT
TA25 oC
+4.0
+2.0
20mA
0
0.01mA
1.0mA
-2.0
-4.0
100
NOTE: BELOW 3 VOLTS AND ABOVE a VOLTS
CHANGES IN ZENER CURRENT OO NOT
AFFECT TEMPERATURE COEFFICIENTS
3.0
4.0
5.0
6.0
7.0
8.0
VZ, ZENER VOLTAGE (VOLTS)
VZ, ZENER VOLTAGE (VOLTS)
Ppk, PEAK SURGE POWER IWATTSO
FIG.9- MAXIMUM SURGE POWER
100
70
50
30
5% DUTY CYCLE
0.8V-10V NON-REPETITIVE
20
10
7.0
5.0
3.0
RECTANGULAR
WAVEFORM
o
TJ = 25 C PRIOR TO
INITIAL PULSE
11V-91V NON-REPETITIVE
10% DUTY CYCLE
20% DUTY CYCLE
2.0
1.0
0.01
0.02
0.05
0.1
0.2
0.5
1.0
2.0
5.0
10
20
50
100
200
500
1000
PW, PULSE WIDTH (ms)
The cruve graph is for reference only
https://www.microdiode.com
Rev:2019A0
Page :4
1SMA4728A THRU 1SMA200A
Zener Voltage - 3.3 to 200 Volts
Peak Pulse Power - 1.0 W
Packing information
unit:mm
P0
P1
d
Item
Symbol
Tolerance
SMA
Carrier width
Carrier length
Carrier depth
Sprocket hole
13" Reel outside diameter
13" Reel inner diameter
7" Reel outside diameter
7" Reel inner diameter
Feed hole diameter
Sprocket hole position
Punch hole position
Punch hole pitch
Sprocket hole pitch
Embossment center
Overall tape thickness
Tape width
Reel width
A
B
C
d
D
D1
D
D1
D2
E
F
P
P0
P1
T
W
W1
0.1
0.1
0.1
0.05
2.0
min
2.0
min
0.5
0.1
0.1
0.1
0.1
0.1
0.1
0.3
1.0
2.80
5.33
2.36
1.50
330.00
50.00
178.00
62.00
13.00
1.75
5.50
4.00
4.00
2.00
0.28
12.00
18.00
E
F
B
A
W
P
D2
T
D1
C
W1
D
Note:Devices are packed in accor dance with EIA standar RS-481-A and specifications listed above.
Reel packing
PACKAGE
REEL SIZE
REEL
(pcs)
COMPONENT
SPACING
(m/m)
BOX
(pcs)
INNER
BOX
(m/m)
REEL
DIA,
(m/m)
2,000
4.0
4,000
183*155*183
178
CARTON
SIZE
(m/m)
CARTON
(pcs)
APPROX.
GROSS WEIGHT
(kg)
SMA
7"
SMA
11"
5,000
4.0
10,000
290*290*38
330
310*310*360
80,000
11.0
SMA
13"
7,500
4.0
15,000
335*335*38
330
350*330*360
120,000
14.5
382*356*392
160,000
16.0
Suggested Pad Layout
Symbol
Unit (mm)
Unit (inch)
A
1.68
0.066
B
1.52
0.060
C
3.90
0.154
D
2.41
0.095
E
5.45
0.215
Important Notice and Disclaimer
Microdiode Electronics (Jiangsu) reserves the right to make changes to this document and its products and
specifications at any time without notice. Customers should obtain and confirm the latest product information and
specifications before final design,purchase or use.
Microdiode Electronics (Jiangsu) makes no warranty, representation or guarantee regarding the suitability of its
products for any particular purpose, not does Microdiode Electronics (Jiangsu) assume any liability for application
assistance or customer product design. Microdiode Electronics (Jiangsu) does not warrant or accept any liability with
products which are purchased or used for any unintended or unauthorized application.
No license is granted by implication or otherwise under any intellectual property rights of Microdiode
Electronics (Jiangsu).
Microdiode Electronics (Jiangsu) products are not authorized for use as critical components in life support
devices or systems without express written approval of Microdiode Electronics (Jiangsu).
https://www.microdiode.com
Rev:2019A0
Page :5
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