1SMA4728A THRU 1SMA200A
ZENER DIODES
Zener Voltage: 3.3-200V Peak Pulse Power: 1W
FEATURE
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
Typical IR less than 5.0A above 11V
High temperature soldering guaranteed:
260OC / 10 seconds at terminals
Plastic package has Underwriters Laboratory
Flammability Classification 94V-0
0.110(2.80)
0.100(2.54)
0.067 (1.70)
0.051 (1.30)
0.177(4.50)
0.157(3.99)
0.012(0.305)
0.006(0.152)
0.096(2.42)
0.078(1.98)
MECHANICAL DATA
0.060(1.52)
0.030(0.76)
Case: Molded plastic over passivated junction
Terminals: Plated leads, solderable per MIL-STD 750,
method 2025
Polarity: Color band denotes cathode end
Standard packaging: 12mm tape (EIA-481)
Weight: 0.002 ounce,0.07 gram
0.008(0.203)MAX.
0.208(5.28)
0.188(4.80)
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 C ambient temperature unless otherwise specified.
MDD Catalog Number
O
Peak Power Dissipation at TA=50 C,
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
TJ, TSTG
10.0
-55 to + 150
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.
Amps
O
C
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
Max. V
O
ZZK @ IZK
Maximum
Leakage
Current
IR @V R
mA
O
mA
uA
V
Marking Code
Package
SMA
1.0 Watt ZENER Diodes -- continued
1SMA4728A
3.3
3.1
3.5
10.0
76.0
400
1.00
100
1.0
728A
1SMA4729A
3.6
3.4
3.8
10.0
69.0
400
1.00
100
1.0
729A
SMA
1SMA4730A
3.9
3.7
4.1
9.0
64.0
400
1.00
50
1.0
730A
SMA
1SMA4731A
4.3
4.1
4.5
9.0
58.0
400
1.00
10
1.0
731A
SMA
1SMA4732A
4.7
4.5
4.9
8.0
53.0
500
1.00
10
1.0
732A
SMA
1SMA4733A
5.1
4.8
5.4
7.0
49.0
550
1.00
10
1.0
733A
SMA
1SMA4734A
5.6
5.3
5.9
5.0
45.0
600
1.00
10
2.0
734A
SMA
1SMA4735A
6.2
5.9
6.5
2.0
41.0
700
1.00
10
3.0
735A
SMA
1SMA4736A
6.8
6.5
7.1
3.5
37.0
700
1.00
10
4.0
736A
SMA
1SMA4737A
7.5
7.1
7.9
4.0
34.0
700
0.50
10
5.0
737A
SMA
1SMA4738A
8.2
7.8
8.6
4.5
31.0
700
0.50
10
6.0
738A
SMA
1SMA4739A
9.1
8.6
9.6
5.0
28.0
700
0.50
10
7.0
739A
SMA
1SMA4740A
10.0
9.5
10.5
7.0
25.0
700
0.25
10
7.6
740A
SMA
1SMA4741A
11.0
10.5
11.6
8.0
23.0
700
0.25
5.0
8.4
741A
SMA
1SMA4742A
12.0
11.4
12.6
9.0
21.0
700
0.25
5.0
9.1
742A
SMA
1SMA4743A
13.0
12.4
13.7
10.0
19.0
700
0.25
5.0
9.9
743A
SMA
1SMA4744A
15.0
14.3
15.8
14.0
17.0
700
0.25
5.0
11.4
744A
SMA
1SMA4745A
16.0
15.2
16.8
16.0
15.5
700
0.25
5.0
12.2
745A
SMA
1SMA4746A
18.0
17.1
18.9
20.0
14.0
750
0.25
5.0
13.7
746A
SMA
1SMA4747A
20.0
19.0
21.0
22.0
12.5
750
0.25
5.0
15.2
747A
SMA
1SMA4748A
22.0
20.9
23.1
23.0
11.5
750
0.25
5.0
16.7
748A
SMA
1SMA4749A
24.0
22.8
25.2
25.0
10.5
750
0.25
5.0
18.2
749A
SMA
1SMA4750A
27.0
25.7
28.4
35.0
9.5
750
0.25
5.0
20.6
750A
SMA
1SMA4751A
30.0
28.5
31.5
40.0
8.5
1000
0.25
5.0
22.8
751A
SMA
1SMA4752A
33.0
31.4
34.7
45.0
7.5
1000
0.25
5.0
25.1
752A
SMA
1SMA4753A
36.0
34.2
37.8
50.0
7.0
1000
0.25
5.0
27.4
753A
SMA
1SMA4754A
39.0
37.1
41
60.0
6.5
1000
0.25
5.0
29.7
754A
SMA
1SMA4755A
43.0
40.9
45.2
70.0
6.0
1500
0.25
5.0
32.7
755A
SMA
1SMA4756A
47.0
44.7
49.4
80.0
5.5
1500
0.25
5.0
35.8
756A
SMA
1SMA4757A
51.0
48.5
53.6
95.0
5.0
1500
0.25
5.0
38.8
757A
SMA
1SMA4758A
56.0
53.2
58.8
110
4.5
2000
0.25
5.0
42.6
758A
SMA
1SMA4759A
62.0
58.9
65.1
125
4.0
2000
0.25
5.0
47.1
759A
SMA
1SMA4760A
68.0
64.6
71.4
150
3.7
2000
0.25
5.0
51.7
760A
SMA
1SMA4761A
75.0
71.3
78.8
175
3.3
2000
0.25
5.0
56.0
761A
SMA
1SMA4762A
82.0
77.9
86.1
200
3.0
3000
0.25
5.0
62.2
762A
SMA
1SMA4763A
91.0
86.5
95.6
250
2.8
3000
0.25
5.0
69.2
763A
SMA
1SMA4764A
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
RATINGS AND CHARACTERISTIC CURVES( 1SMA4728A THRU 1SMA200A)
FIG.1- POWER TEMPERATURE DERATING CURVE
FIG.2- TYPICAL FORWARD CHARACTERISTICS
1000
MINIMUM
MAXIMUM
500
IF, FORWARD CURRENT (mA)
PD, MAXIMUM POWER DISSIPATION (WATTS)
1.25
1.0
0.75
0.50
0.25
200
100
50
20
10
5.0
o
70 C
o
150 C
o
25 C
2.0
0
40
20
60
80
100
120
140
160
180
0 oC
1.0
0.4
200
o
AMBIENT TEMPERATURE( C)
10000
7000
5000
o
TJ = 25 C
IZ(rms)= 0.1 IZ(dc)
f = 1KHz
ZZ, DYNAMIC IMPEDANCE (OHMS)
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)
FIG.4- EFFECT OF ZENER VOLTAGE
ON ZENER IMPEDANCE
1000
700
500
IR, LEAKAGE CURRENT ( A)
2.0
1.0
ZZ, DYNAMIC IMPEDANCE (OHMS)
1.1
100
70
50
5.0
20
10
7.0
5.0
2.0
1.0
0.7
0.5
o
+125 C
0.2
o
TJ = 25 C
IZ(rms)= 0.1 IZ(dc)
f = 1KHz
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
o
+25 C
0.002
2.0
1.0
1.0
200
0.8V
10
0.9
TYPICAL LEAKAGE CURRENT
AT 80% OF NOMINAL
BREAKDOWN VOLTAGE
2000
50
20
0.8
FIG.5- TYPICAL LEAKAGE CURRENT
1000
200
0.7
VF, FORWARD VOLTAGE (VOLTS)
FIG.3- EFFECT OF ZENER CURRENT
ON ZENER IMPEDANCE
500
0.6
0.5
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
VZ @ IZT
-2.0
-4.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
9.0
VZ, ZENER VOLTAGE (VOLTS)
The cruve graph is for reference only, can't be the basis for judgment(曲线图仅供参考)!
10
11
12
RATINGS AND CHARACTERISTIC CURVES( 1SMA4728A THRU 1SMA200A)
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
30
20
50
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
VZ, ZENER VOLTAGE (VOLTS)
VZ, ZENER VOLTAGE (VOLTS)
Ppk, PEAK SURGE POWER IWATTSO
FIG.9- MAXIMUM SURGE POWER
100
70
50
30
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
5% DUTY CYCLE
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
PW, PULSE WIDTH (ms)
The cruve graph is for reference only, can't be the basis for judgment(曲线图仅供参考)!
200
500
1000
8.0
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