1SMA4728ATHRU 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 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
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
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
Amps
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.
ht t p : //
Revision:20170701-P1
www.lgesemi .c o m
mail:lge@lgesemi.com
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
Package
1.0 Watt ZENER Diodes -- continued
1SMA4728A
3.3
3.1
3.5
10.0
76.0
400
1.00
100
1.0
SMA
1SMA4729A
3.6
3.4
3.8
10.0
69.0
400
1.00
100
1.0
SMA
1SMA4730A
3.9
3.7
4.1
9.0
64.0
400
1.00
50
1.0
SMA
1SMA4731A
4.3
4.1
4.5
9.0
58.0
400
1.00
10
1.0
SMA
1SMA4732A
4.7
4.5
4.9
8.0
53.0
500
1.00
10
1.0
SMA
1SMA4733A
5.1
4.8
5.4
7.0
49.0
550
1.00
10
1.0
SMA
1SMA4734A
5.6
5.3
5.9
5.0
45.0
600
1.00
10
2.0
SMA
1SMA4735A
6.2
5.9
6.5
2.0
41.0
700
1.00
10
3.0
SMA
1SMA4736A
6.8
6.5
7.1
3.5
37.0
700
1.00
10
4.0
SMA
1SMA4737A
7.5
7.1
7.9
4.0
34.0
700
0.50
10
5.0
SMA
1SMA4738A
8.2
7.8
8.6
4.5
31.0
700
0.50
10
6.0
SMA
1SAM4739A
9.1
8.6
9.6
5.0
28.0
700
0.50
10
7.0
SMA
1SMA4740A
10.0
9.5
10.5
7.0
25.0
700
0.25
10
7.6
SMA
1SMA4741A
11.0
10.5
11.6
8.0
23.0
700
0.25
5.0
8.4
SMA
1SMA4742A
12.0
11.4
12.6
9.0
21.0
700
0.25
5.0
9.1
SMA
1SMA4743A
13.0
12.4
13.7
10.0
19.0
700
0.25
5.0
9.9
SMA
1SMA4744A
15.0
14.3
15.8
14.0
17.0
700
0.25
5.0
11.4
SMA
1SMA4745A
16.0
15.2
16.8
16.0
15.5
700
0.25
5.0
12.2
SMA
1SMA4746A
18.0
17.1
18.9
20.0
14.0
750
0.25
5.0
13.7
SMA
1SMA4747A
20.0
19.0
21.0
22.0
12.5
750
0.25
5.0
15.2
SMA
1SMA4748A
22.0
20.9
23.1
23.0
11.5
750
0.25
5.0
16.7
SMA
1SMA4749A
24.0
22.8
25.2
25.0
10.5
750
0.25
5.0
18.2
SMA
1SMA4750A
27.0
25.7
28.4
35.0
9.5
750
0.25
5.0
20.6
SMA
1SMA4751A
30.0
28.5
31.5
40.0
8.5
1000
0.25
5.0
22.8
SMA
1SMA4752A
33.0
31.4
34.7
45.0
7.5
1000
0.25
5.0
25.1
SMA
1SMA4753A
36.0
34.2
37.8
50.0
7.0
1000
0.25
5.0
27.4
SMA
1SMA4754A
39.0
37.1
41
60.0
6.5
1000
0.25
5.0
29.7
SMA
1SMA4755A
43.0
40.9
45.2
70.0
6.0
1500
0.25
5.0
32.7
SMA
1SMA4756A
47.0
44.7
49.4
80.0
5.5
1500
0.25
5.0
35.8
SMA
1SMA4757A
51.0
48.5
53.6
95.0
5.0
1500
0.25
5.0
38.8
SMA
1SMA4758A
56.0
53.2
58.8
110
4.5
2000
0.25
5.0
42.6
SMA
1SMA4759A
62.0
58.9
65.1
125
4.0
2000
0.25
5.0
47.1
SMA
1SMA4760A
68.0
64.6
71.4
150
3.7
2000
0.25
5.0
51.7
SMA
1SMA4761A
75.0
71.3
78.8
175
3.3
2000
0.25
5.0
56.0
SMA
1SMA4762A
82.0
77.9
86.1
200
3.0
3000
0.25
5.0
62.2
SMA
1SMA4763A
91.0
86.5
95.6
250
2.8
3000
0.25
5.0
69.2
SMA
1SMA4764A
100
95.0
105
350
2.5
3000
0.25
5.0
76.0
SMA
1SMA110A
110
104.5
115.5
450
2.3
4000
0.25
5.0
83.6
SMA
1SMA120A
120
114
126
550
2.0
0.25
5.0
91.2
SMA
1SMA130A
130
123.5
136.5
700
1.9
4500
5000
0.25
5.0
98.8
SMA
1SMA150A
150
142.5
157.5
1000
1.7
6000
0.25
5.0
114.0
SMA
1SMA160A
160
152
168
1100
1.6
6500
0.25
5.0
121.6
SMA
1SMA180A
180
171
189
1200
1.4
7000
0.25
5.0
136.8
SMA
1SMA200A
200
190
210
1500
1.2
8000
0.25
5.0
152.0
SMA
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 IZT per JEDEC Method
1SMA4728A THRU 1SMA200A
1.0Watts Surface Mount Silicon Zener Diode
RATINGS AND CHARACTERISTIC CURVES( 1SMA472 8 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
70 oC
150 oC
25 oC
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
TJ = 25 oC
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
+125 oC
0.2
TJ = 25 oC
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
+25 oC
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
0.001
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
100
VZ, FORWARD VOLTAGE (VOLTS)
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
10
11
12
VZ, ZENER VOLTAGE (VOLTS)
ht t p : //
Revision:20170701-P1
www.lgesemi .c o m
mail:lge@lgesemi.com
1SMA4728A THRU 1SMA200A
1.0Watts Surface Mount Silicon Zener Diode
RATINGS AND CHARACTERISTIC CURVES( 1SMA4728 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
20
30
70
50
+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
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
200
500
1000
PW, PULSE WIDTH (ms)
PACKAGE
SPQ/PCS
CARTON
SPQ/PCS
CARTON
SIZE/CM
CARTON
GW/KG
CARTON
NW/KG
SMA
5000/REEL
80000
36X30.6X31
12.00
11.00
ht t p : //
Revision:20170701-P1
www.lgesemi .c o m
mail:lge@lgesemi.com
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