Document
®
WON-TOP ELECTRONICS
Features
Glass Passivated Die Construction
1.0W Power Dissipation 3.3V – 330V Nominal Zener Voltage 5% Standard Vz Tolerance Low Inductance For Use in Voltage Regulator or Reference Plastic Case Material has UL Flammability
Classification Rating 94V-0
A C
Mechanical Data
Case: SMA/DO-214AC, Molded Plastic Terminals: Solder Plated, Solderable
per MIL-STD-750, Method 2026 Polarity: Cathode Band Marking: Device Code Weight: 0.064 grams (approx.) Lead Free: For RoHS / Lead Free Version,
Add “-LF” Suffix to Part Number, See Page 5
1SMA4728A – SZ1330A
1.0W SURFACE MOUNT ZENER DIODE
Pb
B
F H
G E
SMA/DO-214AC
Dim Min Max
A 2.29 2.92
B 4.00 4.60
C 1.27 1.90
D
0.152
0.305
E 4.80 5.30
F 2.00 2.44
G
0.051
0.203
H 0.76 1.52
All Dimensions in mm
D
Maximum Ratings @TA=25°C unless otherwise specified
Characteristic
Power Dissipation at TL = 75°C (Note 1)
Forward Voltage @ IF = 200mA Thermal Resistance, Junction to Ambient (Note 2) Thermal Resistance, Junction to Lead (Note 2) Operating and Storage Temperature Range
Symbol
PD
VF R JA R JL TJ, TSTG
Value
1.0
1.2 125 30 -65 to +150
Note: 1. Mounted on FR-4 PCB with 8.0 x 8.0 x 2.0mm copper pads. 2. Mounted on 25.4 x 21.6 x 1.6mm ceramic substrate with minimum recommended pad layout.
Unit W V
°C/W °C
© Won-Top Electronics Co., Ltd. Revision: September, 2012
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1SMA4728A – SZ1330A
1.0
PD, POWER DISSIPATION (W)
0.8
0.6 Mounted on FR-4 PCB with 8.0 x 8.0 x 2.0mm Copper Pads
0.4
0.2
ZZ, DYMANIC IMPEDANCE (Ω)
0 0
10000
1000
100
10
25 50 75 100 125 TL, LEAD TEMPERATURE (°C) Fig. 1 Power Derating Curve
150
TJ = 25°C IZ(RMS) = 0.1 IZ(DC)
VZ = 200V VZ = 180V VZ = 150V
VZ = 91V VZ = 56V
VZ = 30V
VZ = 6.2V
1 0.5 1
10 100 500
IZT, ZENER TEST CURRENT (mA) Fig. 3 Dynamic Resistance vs. Zener Current
10
1
IF, INSTANTANEOUS FORWARD CURRENT (A)
0.1
TJ = 25°C Pulse Width = 300µs 1% Duty Cycle
0.01 0.6 0.8 1.0 1.2 1.4 1.6 VF, INSTANTANEOUS FORWARD VOLTAGE (V) Fig. 5 Typical Forward Characteristics
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CJ, JUNCTION CAPACITANCE (pF)
ZZ, DYMANIC IMPEDANCE (Ω)
θVZ, TEMPERATURE COEFFICIENT (mV/°C)
®
500
WON-TOP ELECTRONICS
450
400
350
300
250
VZ @ IZT
200
150
100
50
0 0
1000
50 100 150 200 250 VZ, ZENER VOLTAGE (V)
Fig. 2 Typical Temperature Coefficients
300
TJ = 25°C 100
IZT = 5.0mA IZT = 10mA IZT = 20mA
10
IZT = 100mA 1
0.1 1
10 100 1000 VZ, ZENER VOLTAGE (V) Fig. 3 Dynamic Resistance vs. Zener Voltage
1000
50% VZ Bias
Zero Bias
100
TJ = 25°C f = 1MHz
10 1
10 100
VZ, NOMINAL ZENER VOLTAGE (V) Fig. 6 Junction Capacitance vs. Nominal Zener Voltage
© Won-Top Electronics Co., Ltd. Revision: September, 2012
® WON-TOP ELECTRONICS
1SMA4728A – SZ1330A
Electrical Characteristics (@TA=25°C unless otherwise specified) Table 1
Type Number
Device Marking
Nominal Zener Voltage
(Note 2)
Test Current
Maximum Zener Impedance (Note 3)
Maximum Leakage Current
(Note 1)
Code
VZ @ IZT
IZT ZZT @ IZT ZZK @ IZK
IZK
IR @ VR
1SMA4728A 1SMA4729A 1SMA4730A 1SMA4731A 1SMA4732A
1SMA4733A 1SMA4734A 1SMA4735A 1SMA4736A 1SMA4737A
1SMA4738A 1SMA4739A 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 SZ1110A SZ1120A SZ1130A
SZ1150A SZ1160A SZ1180A SZ1200A SZ1220A
SZ1240A SZ1250A SZ1270A SZ1300A SZ1330A
28A 29A 30A 31A 32A
33A 34A 35A 36A 37A
38A 39A 40A 41A 42A
43A 44A 45A 46A 47A
48A 49A 50A 51A 52A
53A 54A 55A 56A 57A
58A 59A 60A 61A 62A
63A 64A 11Z 12Z 13Z
15Z 16Z 18Z 20Z 22Z
24Z 25Z 27Z 30Z 33Z
(V)
(mA)
()
( ) (mA) (µA) (V)
3.3
76.0 10
400 1.00 100 1.0
3.6
69.0 10
400 1.00 100 1.0
3.9
64.0 9.0
400 1.00 50 1.0
4.3
58.0 9.0
400 1.00 10 1.0
4.7
53.0 8.0
500 1.00 10 1.0
5.1
49.0 7.0
550 1.00 10 1.0
5.6
45.0 5.0
600 1.00 10 2.0
6.2
41.0 2.0
700 1.00 10 3.0
6.8
37.0 3.5
700 1.00 10 4.0
7.5
34.0 4.0
700 0.50 10 5.0
8.2
31.0 4.5
700 0.50 10 6.0
9.1
28.0 5.0
700 0.50 10 7.0
10
25.0 7.0
700 0.25 10 7.6
11
23.0 8.0
700 0.25
5 8.4
12
21.0 9.0
700 0.25
5 9.1
13
19.0 10
700 0.25 5 9.9
15
17.0 14
700 0.25
5 11.4
16
15.5 16
700 0.25
5 12.2
18
14.0 20
750 0.25
5 13.7
20
12.5 22
750 0.25
5 15.2
22
11.5 23
750 0.25
5 16.7
24
10.5 25
750 0.25
5 18.2
27
9.5 35
750 0.25
5 20.6
30
8.5
40
1000
0.25
5 22.8
33
7.5
45
1000
0.25
5 25.1
36
7.0
50
1000
0.25
5 27.4
39
6.5
60
1000
0.25
5 29.7
43
6.0
70
1500
0.25
5 32.7
47
5.5
80
1500
0.25
5 35.8
51
5.0
95
1500
0.25
5 38.8
56
4.5
110
2000
0.25
5 42.6
62
4.0
125
2000
0.25
5 47.1
68
3.7
150
2000
0.25
5 51.7
75
3.3
175
2000
0.25
5 56.0
82
3.0
200
3000
0.25
5 62.2
91
2.8
250
3000
0.25
5 69.2
100
2.5
350
3000
0.25
5 76.0
110
2.3
450
4000
0.25
5 83.6
120
2.0
550
4500
0.25
5 .