SZ303D-SZ30D0
Surface Mount Silicon Zener Diodes
V
Z
: 3.3 - 200 Volts
P
D
: 1.5 Watts
Features
Complete Voltage Range 3.3 to 200 Volts
High peak reverse power dissipation
High reliability
Low leakage current
Pb / RoHS Free
SMA/DO-214AC
Mechanical Data
Case : SMA (DO-214AC) Molded plastic
Epoxy : UL94V-O rate flame retardant
Lead : Lead formed for Surface mount
Polarity : Color band denotes cathode end
Mounting position : Any
Weight : 0.064 grams
MAXIMUM RATINGS
Rating at 25
°
C ambient temperature unless otherwise specified
Dimensions in inches and (millimeters)
Rating
DC Power Dissipation at T
L
= 75
°C
(Note1)
Maximum Forward Voltage at I
F
= 200 mA
Junction Temperature Range
Storage Temperature Range
Symbol
P
D
V
F
T
J
Ts
Value
1.5
1.5
- 55 to + 150
- 55 to + 150
Unit
W
V
°C
°C
Note :
(1) T
L
= Lead temperature at 5.0 mm
2
( 0.013 mm thick ) copper land areas.
Fig. 1 POWER TEMPERATURE DERATING CURVE
P
D
, MAXIMUM DISSIPATION
(WATTS)
1.5
1.2
0.9
0.6
0.3
0
5.0 mm
2
( 0.013 mm thick )
copper land areas.
25
50
75
100
125
T
L,
LEAD TEMPERATURE (
°
C)
150
175
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mail:lge@luguang.cn
SZ303D-SZ30D0
Surface Mount Silicon Zener Diodes
ELECTRICAL CHARACTERISTICS
Rating at 25
°
C ambient temperature unless otherwise specified
TYPE
Nominal Zener
Voltage
V
Z
@ I
ZT
I
ZT
(V)
(mA)
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
113.6
104.2
96.1
87.2
79.8
73.5
66.9
60.5
55.1
50.0
45.7
41.2
37.5
34.1
31.2
28.8
25.0
23.4
20.8
18.7
17.0
15.6
13.9
12.5
11.4
10.4
9.6
8.7
8.0
7.3
6.7
6.0
5.5
5.0
4.6
4.1
3.7
3.4
3.1
2.9
2.5
2.3
2.1
1.9
Z
ZT
@ I
ZT
(Ω )
10
9.0
7.5
6.0
5.0
4.0
2.0
2.0
2.5
3.0
3.5
4.0
4.5
5.5
6.5
7.0
9.0
10
12
14
17.5
19
23
26
33
38
45
53
67
70
86
100
120
140
160
200
250
300
380
450
600
700
900
1200
Maximum Zener
Impedance
Z
ZK
@ I
ZK
(Ω )
500
500
500
500
500
350
250
200
200
400
400
500
500
550
550
550
600
600
650
650
650
700
700
750
800
850
900
950
1000
1100
1300
1500
1700
2000
2500
3000
3100
4000
4500
5000
6000
6500
7000
8000
I
ZK
(mA)
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
0.5
0.5
0.5
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 Reverse
Leakage Current
I
R
@ V
R
(V)
(
µ
A)
100
75
50
50
50
50
50
50
50
50
50
50
50
50
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.5
2.0
3.0
4.0
5.2
6.0
6.5
7.0
8.0
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
Maximum DC
Zener Current
I
ZM
(mA)
454
416
384
348
319
294
267
241
220
200
182
164
150
136
125
115
100
93
83
75
68
62
55
50
45
41
38
34
31
29
26
24
22
20
18
16
15
13
12
11
10
9.0
8.0
7.0
SZ303D
SZ303G
SZ303J
SZ304D
SZ304H
SZ305B
SZ305G
SZ306C
SZ306I
SZ307F
SZ308C
SZ309B
SZ3010
SZ3011
SZ3012
SZ3013
SZ3015
SZ3016
SZ3018
SZ3020
SZ3022
SZ3024
SZ3027
SZ3030
SZ3033
SZ3036
SZ3039
SZ3043
SZ3047
SZ3051
SZ3056
SZ3062
SZ3068
SZ3075
SZ3082
SZ3091
SZ30B0
SZ30B1
SZ30B2
SZ30B3
SZ30B5
SZ30B6
SZ30B8
SZ30D0
Note :
( 1 ) The type number listed have a standard tolerance on the nominal zener voltage of
±
10%,
altered the fourth number of type from " 0 " for
±
10% tolerance to be " 5 " for
±
5.0% tolerance.
( 2 ) " SZ " will be omitted in marking on the diode.
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