1SMA4728 THRU 1SMA200A
1.0Watts Surface Mount Silicon Zener Diode
FEATURE
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
MECHANICAL DATA
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.
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//
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ELECTRICAL CHARACTERISTICS
(TA=25
O
C unless otherwise noted) VF=1.2V max, IF=200mA for all types.
V
Z
@ I
ZT
Nom. V
1SMA4728
1SMA4729
1SMA4730
1SMA4731
1SMA4732
1SMA4733
1SMA4734
1SMA4735
1SMA4736
1SMA4737
1SMA4738
1SAM4739
1SMA4740
1SMA4741
1SMA4742
1SMA4743
1SMA4744
1SMA4745
1SMA4746
1SMA4747
1SMA4748
1SMA4749
1SMA4750
1SMA4751
1SMA4752
1SMA4753
1SMA4754
1SMA4755
1SMA4756
1SMA4757
1SMA4758
1SMA4759
1SMA4760
1SMA4761
1SMA4762
1SMA4763
1SMA4764
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
Min. V
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
Max. V
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
Maximum Zener Impedance
Z
ZT
@ I
ZT
O
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
mA
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
Z
ZK
@ I
ZK
O
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
mA
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
Maximum
Leakage
Current
I
R
@V
R
uA
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
V
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
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
Part Number
Package
1.0 Watt ZENER Diodes -- continued
Notes :
(1) The type number listed have a standard tolerance on the nominal zener voltage of
±
5%.
(2) The revese surge current is a non-repetitive, 8.3ms pulse width square wave or equivalent sine-wave superimposed
on I
ZT
per JEDEC Method
1SMA4728 THRU 1SMA200A
1.0Watts Surface Mount Silicon Zener Diode
RATINGS AND CHARACTERISTIC CURVES( 1SMA472
8
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
0.75
0.50
70
o
C
150
o
C
25
o
C
0
o
C
0.5
0.6
0.7
0.8
0.9
1.0
1.1
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
o
C
I
Z
(rms)= 0.1 I
Z
(dc)
f = 1KHz
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
o
C
I
Z
= 1.0mA
5.0mA
20mA
T
J
= 25
o
C
I
Z
(rms)= 0.1 I
Z
(dc)
f = 1KHz
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
o
C
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)
ht
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:
//
Revision:20170701-P1
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mail:lge@lgesemi.com
1.0Watts Surface Mount Silicon Zener Diode
1SMA4728 THRU 1SMA200A
RATINGS AND CHARACTERISTIC CURVES( 1SMA472
8
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)
PACKAGE
SMA
SPQ/PCS
5000/REEL
CARTON
SPQ/PCS
80000
CARTON
SIZE/CM
36X30.6X31
CARTON
GW/KG
12.00
CARTON
NW/KG
11.00
ht
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