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 I
R
less than 5.0 A above 11V
High temperature soldering guaranteed:
260
O
C / 10 seconds at terminals
Plastic package has Underwriters Laboratory
Flammability Classification 94V-0
0.067 (1.70)
0.051 (1.30)
0.110(2.80)
0.100(2.54)
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
0.008(0.203)MAX.
0.060(1.52)
0.030(0.76)
0.208(5.28)
0.188(4.80)
Dimensions in inches and (millimeters)
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
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 C ambient temperature unless otherwise specified.
MDD Catalog Number
SYMBOLS
VALUE
UNITS
Peak Power Dissipation at T
A
=50
O
C,
Derate above 50
O
C (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
P
D
I
FSM
T
J
, T
STG
1.0
6.67
10.0
-55 to + 150
Watts
mW/
O
C
Amps
O
C
Notes: 1. Mounted on 5.0mm
2
(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.
ELECTRICAL CHARACTERISTICS
(TA=25
O
C unless otherwise noted) VF=1.2V max, IF=200mA for all types.
Maximum Zener Impedance
Z
ZT
@ I
ZT
Nom. V
Min. V
Max. V
O
mA
Z
ZK
@ I
ZK
O
mA
Maximum
Leakage
Current
I
R
@V
R
uA
V
Part Number
V
Z
@ I
ZT
Marking Code
Package
1.0 Watt ZENER Diodes -- continued
1SMA4728A
1SMA4729A
1SMA4730A
1SMA4731A
1SMA4732A
1SMA4733A
1SMA4734A
1SMA4735A
1SMA4736A
1SMA4737A
1SMA4738A
1SAM4739A
1SMA4740A
1SMA4741A
1SMA4742A
1SMA4743A
1SMA4744A
1SMA4745A
1SMA4746A
1SMA4747A
1SMA4748A
1SMA4749A
1SMA4750A
1SMA4751A
1SMA4752A
1SMA4753A
1SMA4754A
1SMA4755A
1SMA4756A
1SMA4757A
1SMA4758A
1SMA4759A
1SMA4760A
1SMA4761A
1SMA4762A
1SMA4763A
1SMA4764A
1SMA110A
1SMA120A
1SMA130A
1SMA150A
1SMA160A
1SMA180A
1SMA200A
3.3
3.6
3.9
4.3
4.7
5.1
5.6
6.2
6.8
7.5
8.2
9.1
10.0
11.0
12.0
13.0
15.0
16.0
18.0
20.0
22.0
24.0
27.0
30.0
33.0
36.0
39.0
43.0
47.0
51.0
56.0
62.0
68.0
75.0
82.0
91.0
100
110
120
130
150
160
180
200
3.1
3.4
3.7
4.1
4.5
4.8
5.3
5.9
6.5
7.1
7.8
8.6
9.5
10.5
11.4
12.4
14.3
15.2
17.1
19.0
20.9
22.8
25.7
28.5
31.4
34.2
37.1
40.9
44.7
48.5
53.2
58.9
64.6
71.3
77.9
86.5
95.0
104.5
114
123.5
142.5
152
171
190
3.5
3.8
4.1
4.5
4.9
5.4
5.9
6.5
7.1
7.9
8.6
9.6
10.5
11.6
12.6
13.7
15.8
16.8
18.9
21.0
23.1
25.2
28.4
31.5
34.7
37.8
41
45.2
49.4
53.6
58.8
65.1
71.4
78.8
86.1
95.6
105
115.5
126
136.5
157.5
168
189
210
10.0
10.0
9.0
9.0
8.0
7.0
5.0
2.0
3.5
4.0
4.5
5.0
7.0
8.0
9.0
10.0
14.0
16.0
20.0
22.0
23.0
25.0
35.0
40.0
45.0
50.0
60.0
70.0
80.0
95.0
110
125
150
175
200
250
350
450
550
700
1000
1100
1200
1500
76.0
69.0
64.0
58.0
53.0
49.0
45.0
41.0
37.0
34.0
31.0
28.0
25.0
23.0
21.0
19.0
17.0
15.5
14.0
12.5
11.5
10.5
9.5
8.5
7.5
7.0
6.5
6.0
5.5
5.0
4.5
4.0
3.7
3.3
3.0
2.8
2.5
2.3
2.0
1.9
1.7
1.6
1.4
1.2
400
400
400
400
500
550
600
700
700
700
700
700
700
700
700
700
700
700
750
750
750
750
750
1000
1000
1000
1000
1500
1500
1500
2000
2000
2000
2000
3000
3000
3000
4000
4500
5000
6000
6500
7000
8000
1.00
1.00
1.00
1.00
1.00
1.00
1.00
1.00
1.00
0.50
0.50
0.50
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
100
100
50
10
10
10
10
10
10
10
10
10
10
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
1.0
1.0
1.0
1.0
1.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
7.6
8.4
9.1
9.9
11.4
12.2
13.7
15.2
16.7
18.2
20.6
22.8
25.1
27.4
29.7
32.7
35.8
38.8
42.6
47.1
51.7
56.0
62.2
69.2
76.0
83.6
91.2
98.8
114.0
121.6
136.8
152.0
728A
729A
730A
731A
732A
733A
734A
735A
736A
737A
738A
739A
740A
741A
742A
743A
744A
745A
746A
747A
748A
749A
750A
751A
752A
753A
754A
755A
756A
757A
758A
759A
760A
761A
762A
763A
100A
110A
120A
130A
150A
160A
180A
200A
SMA
SMA
SMA
SMA
SMA
SMA
SMA
SMA
SMA
SMA
SMA
SMA
SMA
SMA
SMA
SMA
SMA
SMA
SMA
SMA
SMA
SMA
SMA
SMA
SMA
SMA
SMA
SMA
SMA
SMA
SMA
SMA
SMA
SMA
SMA
SMA
SMA
SMA
SMA
SMA
SMA
SMA
SMA
SMA
RATINGS AND CHARACTERISTIC CURVES( 1SMA4728A THRU 1SMA200A)
FIG.1- POWER TEMPERATURE DERATING CURVE
P
D
,
MAXIMUM POWER DISSIPATION (WATTS)
1.25
FIG.2- TYPICAL FORWARD CHARACTERISTICS
1000
500
MINIMUM
MAXIMUM
IF, FORWARD CURRENT (mA)
1.0
200
100
50
20
10
5.0
2.0
o
0.75
0.50
70 C
150 C
25 C
0
o
C
0.5
0.6
0.7
0.8
0.9
1.0
1.1
o
o
0.25
0
20
40
60
80
100
120
140
o
160
180
200
1.0
0.4
AMBIENT TEMPERATURE( C)
V
F
,
FORWARD VOLTAGE (VOLTS)
FIG.3- EFFECT OF ZENER CURRENT
ON ZENER IMPEDANCE
1000
FIG.5- TYPICAL LEAKAGE CURRENT
10000
7000
5000
2000
1000
700
500
200
100
70
50
Z
Z
, DYNAMIC IMPEDANCE (OHMS)
500
200
100
50
20
10
5.0
47V
T
J
= 25 C
I
Z
(rms)= 0.1 I
Z
(dc)
f = 1KHz
o
TYPICAL LEAKAGE CURRENT
AT 80% OF NOMINAL
BREAKDOWN VOLTAGE
27V
0.8V
IR, LEAKAGE CURRENT ( A)
2.0
1.0
0.1
0.2
0.5
1.0
2.0
5.0
10
20
50
100
I
Z
,
ZENER CURRENT (mA)
20
10
7.0
5.0
2.0
1.0
0.7
0.5
0.2
FIG.4- EFFECT OF ZENER VOLTAGE
ON ZENER IMPEDANCE
Z
Z
, DYNAMIC IMPEDANCE (OHMS)
1000
700
500
200
100
70
50
20
10
7.0
5.0
2.0
1.0
1.0
2.0
3.0
5.0
7.0
10
20
30
50 70
100
+125 C
o
I
Z
= 1.0mA
5.0mA
20mA
T
J
= 25 C
I
Z
(rms)= 0.1 I
Z
(dc)
f = 1KHz
o
0.1
0.07
0.05
0.02
0.01
0.007
0.005
0.002
0.001
3.0
4.0
5.0
6.0
7.0
8.0
9.0
10
11
12
13
14
15
V
Z
,
NOMINAL ZENER VOLTAGE (VOLTS)
+25 C
o
I
Z
,
ZENER CURRENT (mA)
FIG.6- TYPICAL CAPACITANCE versus Vz
400
300
200
FIG.7- TEMPERATURE COEFFICIENTS
a-RANGE FOR UNITS TO 12 VOLTS
OV
Z
, TEMPERAYURE COEFFICIENT (mV/
o
C)
+12
+10
+8.0
+6.0
+4.0
+2.0
0
-2.0
-4.0
C, CAPACITANCE (pF)
100
0V BIAS
1.0V BIAS
10
8
4
1.0
RANGE
V
Z
@ I
ZT
50% OF BREAKDOWN BIAS
10
V
Z
, FORWARD VOLTAGE (VOLTS)
100
2.0
3.0
4.0
5.0
6.0
7.0
8.0
9.0
10
11
12
V
Z
, ZENER VOLTAGE (VOLTS)
The cruve graph is for reference only, can't be the basis for judgment(曲线图仅供参考)!
RATINGS AND CHARACTERISTIC CURVES( 1SMA4728A THRU 1SMA200A)
FIG.7- TEMPERATURE COEFFICIENTS
b-RANGE FOR UNITS 12 TO 100 VOLTS
FIG.8- EFFECT OF ZENER CURRENT
OV
Z
, TEMPERAYURE COEFFICIENT (mV/
o
C)
OV
Z
, TEMPERAYURE COEFFICIENT (mV/
o
C)
100
70
50
30
20
10
7.0
5.0
3.0
2.0
1.0
+6.0
+4.0
V
Z
@ I
ZT
T
A
25
o
C
+2.0
RANGE
V
Z
@ I
ZT
20mA
0
0.01mA
1.0mA
NOTE: BELOW 3 VOLTS AND ABOVE a VOLTS
CHANGES IN ZENER CURRENT OO NOT
AFFECT TEMPERATURE COEFFICIENTS
-2.0
-4.0
10
20
30
50
70
100
3.0
4.0
5.0
6.0
7.0
8.0
V
Z
, ZENER VOLTAGE (VOLTS)
V
Z
, ZENER VOLTAGE (VOLTS)
FIG.9- MAXIMUM SURGE POWER
Ppk, PEAK SURGE POWER IWATTSO
100
70
50
30
20
10
7.0
5.0
3.0
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
10% DUTY CYCLE
20% DUTY CYCLE
11V-91V NON-REPETITIVE
0.8V-10V NON-REPETITIVE
RECTANGULAR
WAVEFORM
o
TJ = 25 C PRIOR TO
INITIAL PULSE
5% DUTY CYCLE
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)!
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