1SMA5913B-1SMA5957B
Surface Mount Silicon Zener Diodes
V
Z
: 3.3 - 240 Volts
P
D
: 1.5 Watts
Features
Complete Voltage Range 3.3 to 240 Volts
High peak reverse power dissipation
High reliability
Low leakage current
Pb / RoHS Free
5.3
±
0.35
SMA
1.3
±
0.2
4.2
±
0.25
2.3
±
0.2
Mechanical Data
Case : SMA Molded plastic
Epoxy : UL94V-O rate flame retardant
Polarity : Color band denotes cathode end
Mounting position : Any
Weight : 0.060 gram (Approximately)
1.6
±
0.25
2.6
±
0.15
1.6
±
0.25
Dimensions in millimeters
MAXIMUM RATINGS
Rating at 25
°
C ambient temperature unless otherwise specified
Rating
DC Power Dissipation @ T
L
= 75 °C
Measured zero lead length(1" square copper pad, FR-4 board)
Derate above 75 °C
Thermal Resistance Junction to Lead
DC Power Dissipation @ Ta = 25 °C
(FR-4 board) Derate above 25 °C
Thermal Resistance Junction to Ambient
Maximum Forward Voltage at I
F
= 200 mA
Operating Junction and Storang Temperature Range
Symbol
P
D
Value
1.5
20
Unit
W
mW/°C
°C/W
W
mW/°C
°C/W
V
°C
R
ӨJL
P
D
R
ӨJA
V
F
T
J
, T
STG
50
0.5
4.0
250
1.5
- 65 to + 150
Fig. 1 POWER TEMPERATURE DERATING CURVE
P
D
, MAXIMUM DISSIPATION, (W)
1.5
1.2
0.9
0.6
0.3
0
0
25
50
75
100
125
150
175
T
,
TEMPERATURE (
°
C)
T
L
Ta
1SMA5913B-1SMA5957B
Surface Mount Silicon Zener Diodes
ELECTRICAL CHARACTERISTICS
Rating at 25
°
C ambient temperature unless otherwise specified
Nominal Zener
Maximum Zener
Voltage
Impedance
TYPE
I
ZT
Z
ZT
@ I
ZT
Z
ZK
@ I
ZK
V
Z
@ I
ZT
(V)
(mA)
(Ω)
(Ω)
1SMA5913B
1SMA5914B
1SMA5915B
1SMA5916B
1SMA5917B
1SMA5918B
1SMA5919B
1SMA5920B
1SMA5921B
1SMA5922B
1SMA5923B
1SMA5924B
1SMA5925B
1SMA5926B
1SMA5927B
1SMA5928B
1SMA5929B
1SMA5930B
1SMA5931B
1SMA5932B
1SMA5933B
1SMA5934B
1SMA5935B
1SMA5936B
1SMA5937B
1SMA5938B
1SMA5939B
1SMA5940B
1SMA5941B
1SMA5942B
1SMA5943B
1SMA5944B
1SMA5945B
1SMA5946B
1SMA5947B
1SMA5948B
1SMA5949B
1SMA5950B
1SMA5951B
1SMA5952B
1SMA5953B
1SMA5954B
1SMA5955B
1SMA5956B
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
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
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
Maximum Reverse
Leakage Current
I
R
@ V
R
(V)
(
μ
A)
100
75
25
5.0
5.0
5.0
5.0
5.0
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
1.0
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
182.4
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
6.0
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
1SMA5957B
240
1.5
1600
9000
0.25
Note :
(1) Suffix " B " indicates
±
5% tolerance, suffix " A " indicates
±
10% tolerance.