®
1SMA4728A – SZ1330A
1.0W SURFACE MOUNT ZENER DIODE
WON-TOP ELECTRONICS
Pb
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
B
D
A
F
C
H
E
G
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
SMA/DO-214AC
Dim
Min
Max
A
B
C
D
E
F
G
H
2.29
4.00
1.27
0.152
4.80
2.00
0.051
0.76
2.92
4.60
1.90
0.305
5.30
2.44
0.203
1.52
All Dimensions in mm
Maximum Ratings
@T
A
=25°C unless otherwise specified
Characteristic
Power Dissipation at T
L
= 75°C (Note 1)
Forward Voltage @ I
F
= 200mA
Thermal Resistance, Junction to Ambient (Note 2)
Thermal Resistance, Junction to Lead (Note 2)
Operating and Storage Temperature Range
Symbol
P
D
V
F
R
θJA
R
θJL
T
J
, T
STG
Value
1.0
1.2
125
30
-65 to +150
Unit
W
V
°C/W
°C
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.
© Won-Top Electronics Co., Ltd.
Revision: September, 2012
www.wontop.com
1
®
1SMA4728A – SZ1330A
1.0
θV
Z
, TEMPERATURE COEFFICIENT (mV/°C)
500
450
400
350
300
250
200
150
100
50
0
0
25
50
75
100
125
T
L
, LEAD TEMPERATURE (°C)
Fig. 1 Power Derating Curve
150
0
100
150
200
250
V
Z
, ZENER VOLTAGE (V)
Fig. 2 Typical Temperature Coefficients
50
300
V
Z
@ I
ZT
WON-TOP ELECTRONICS
P
D
, 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
0
10000
T
J
= 25°C
I
Z(RMS)
= 0.1 I
Z(DC)
1000
T
J
= 25°C
I
ZT
= 5.0mA
I
ZT
= 10mA
Z
Z
, DYMANIC IMPEDANCE (Ω)
1000
V
Z
= 200V
V
Z
= 180V
V
Z
= 150V
Z
Z
, DYMANIC IMPEDANCE (Ω)
100
I
ZT
= 20mA
100
V
Z
= 91V
V
Z
= 56V
10
I
ZT
= 100mA
10
V
Z
= 30V
1
V
Z
= 6.2V
1
0.5
500
10
100
I
ZT
, ZENER TEST CURRENT (mA)
Fig. 3 Dynamic Resistance vs. Zener Current
1
0.1
1
10
100
1000
V
Z
, ZENER VOLTAGE (V)
Fig. 3 Dynamic Resistance vs. Zener Voltage
I
F
, INSTANTANEOUS FORWARD CURRENT (A)
10
C
J
, JUNCTION CAPACITANCE (pF)
1000
Zero Bias
50% V
Z
Bias
1
100
0.1
T
J
= 25°C
Pulse Width = 300µs
1% Duty Cycle
T
J
= 25°C
f = 1MHz
0.01
0.6
0.8
1.6
1.0
1.2
1.4
V
F
, INSTANTANEOUS FORWARD VOLTAGE (V)
Fig. 5 Typical Forward Characteristics
www.wontop.com
2
10
10
100
V
Z
, NOMINAL ZENER VOLTAGE (V)
Fig. 6 Junction Capacitance vs. Nominal Zener Voltage
© Won-Top Electronics Co., Ltd.
Revision: September, 2012
1
®
1SMA4728A – SZ1330A
WON-TOP ELECTRONICS
Electrical Characteristics (@T
A
=25°C unless otherwise specified) Table 1
Nominal
Type
Number
(Note 1)
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
Device
Marking
Code
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
Zener Voltage
(Note 2)
V
Z
@ I
ZT
(V)
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
11
12
13
15
16
18
20
22
24
27
30
33
36
39
43
47
51
56
62
68
75
82
91
100
110
120
130
150
160
180
200
220
240
250
270
300
330
Test
Current
I
ZT
(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
1.0
0.9
0.9
0.8
0.8
0.7
Maximum Zener Impedance
(Note 3)
Z
ZT
@ I
ZT
Z
ZK
@ I
ZK
(Ω)
10
10
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
14
16
20
22
23
25
35
40
45
50
60
70
80
95
110
125
150
175
200
250
350
450
550
700
1000
1100
1200
1900
1600
1800
2000
2100
2300
2500
(Ω)
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
9990
8000
8500
9000
9000
9500
9500
I
ZK
(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
0.25
0.25
0.25
0.25
0.25
0.25
Maximum
Leakage Current
I
R
@ V
R
(µA)
100
100
50
10
10
10
10
10
10
10
10
10
10
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
(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
167.2
182.4
190.0
205.0
228.0
250.2
Max DC
Zener
Current
I
ZM
(mA)
276
252
234
217
193
178
162
146
133
121
110
100
91
83
76
69
61
57
50
45
41
38
34
30
27
25
23
22
19
18
16
14
13
12
11
10
9.0
8.6
7.8
7.0
6.4
5.8
5.2
4.7
4.0
3.8
3.6
3.3
3.0
2.7
Max Surge
Current
8.3ms
I
ZS
(mA)
1380
1260
1190
1070
970
890
810
730
660
605
550
500
454
414
380
344
304
285
250
225
205
190
170
150
135
125
115
110
95
90
80
70
65
60
55
50
45
40
37
34
30
28
25
22
20
19
18
16
15
13
Note: 1. Type numbers listed have standard tolerance on the nominal zener voltage of ±5%.
2. Measured under thermal equilibrium and DC (I
ZT
) test conditions.
3. f = 1KHz
© Won-Top Electronics Co., Ltd.
Revision: September, 2012
www.wontop.com
3
®
1SMA4728A – SZ1330A
WON-TOP ELECTRONICS
MARKING INFORMATION
RECOMMENDED FOOTPRINT
0.050 MIN
(1.27 MIN)
xx
Cathode
xx
= Polarity Band
= Device Code, See Table 1
0.083 MAX
(2.11 MAX)
0.058 MIN
(1.47 MIN)
inches(mm)
PACKAGING INFORMATION
TAPE & REEL
Direction of Unreeling
4mm
330mm
12mm
4mm
12mm
Product ID Label
1.6mm
Reel Diameter
(mm)
330
Quantity
(PCS)
5,000
Inner Box Size
L x W x H (mm)
340 x 337 x 45
Quantity
(PCS)
10,000
Carton Size
L x W x H (mm)
370 x 370 x 420
Quantity
(PCS)
80,000
Approx. Gross Weight
(KG)
14.0
Note:
1. Paper reel, white or gray color.
2. Components are packed in accordance with EIA standard 481-1 and 481-2.
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© Won-Top Electronics Co., Ltd.
Revision: September, 2012
®
1SMA4728A – SZ1330A
WON-TOP ELECTRONICS
ORDERING INFORMATION
Product No.
1SMA47xxA-T3
1.
2.
Package Type
SMA
Shipping Quantity
5000/Tape & Reel
Shipping quantity given is for minimum packing quantity only. For minimum
order quantity, please consult the Sales Department.
To order RoHS / Lead Free version (with Lead Free finish), add “-LF”
suffix to part number above. For example, 1SMA4728A-T3-LF.
WON-TOP ELECTRONICS and
are registered trademarks of Won-Top Electronics Co., Ltd (WTE). WTE has checked all information carefully and
believes it to be correct and accurate. However, WTE cannot assume any responsibility for inaccuracies. Furthermore, this information does not give the
purchaser of semiconductor devices any license under patent rights to manufacturer. WTE reserves the right to change any or all information herein
without further notice.
WARNING:
DO NOT USE IN LIFE SUPPORT EQUIPMENT. WTE power semiconductor products are not authorized for use as critical components in life
support devices or systems without the express written approval.
Won-Top Electronics Co., Ltd.
No. 44 Yu Kang North 3rd Road,
Chine Chen Dist., Kaohsiung 806, Taiwan
Phone:
886-7-822-5408 or 886-7-822-5410
Fax:
886-7-822-5417
Email:
sales@wontop.com
Internet:
http://www.wontop.com
We power your everyday.
© Won-Top Electronics Co., Ltd.
Revision: September, 2012
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