SMD Type
Surface Mount Zener Diodes
1SMA59-B Series
Diodes
Features
Flat Handling Surface for Accurate Placement
Standard Zener Breakdown Voltage Range -3.3V to 68V
Low Profile Package
Absolute Maximum Ratings (Ta = 25 )
Parameter
Power dissipation
@ T
L
= 75
R
P
R
JA
Symbol
P
JL
Rating
1500
50
500
250
150
-65 to +150
Unit
mW
/W
mW
/W
Thermal Resistance, Junction to Lead
Power dissipation
@ T
A
= 25
Thermal Resistance, Junction to Ambient
Jumction temperature
Storage temperature
T
j
T
stg
Electrical Characteristics (Ta = 25 )
Zener voltage
V
Z
(V)
Type
Min.
1SMA5913B
1SMA5914B
1SMA5915B
1SMA5916B
1SMA5917B
1SMA5918B
1SMA5919B
1SMA5920B
1SMA5921B
1SMA5922B
3.13
3.42
3.70
4.08
4.46
4.84
5.32
5.89
6.46
7.12
Mom.
3.3
3.6
3.9
4.3
4.7
5.1
5.6
6.2
6.8
7.5
Max.
3.47
3.78
4.10
4.52
4.94
5.36
5.88
6.51
7.14
7.88
@ I
ZT
(mA)
113.6
104.2
96.1
87.2
79.8
73.5
66.9
60.5
55.1
50
Z
ZT
@ I
ZT
( )
10
9.0
7.5
6.0
5.0
4.0
2.0
2.0
2.5
3.0
Z
ZK
( )
500
500
500
500
500
350
250
200
200
400
@ I
ZK
(mA)
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
0.5
I
R
( A)
50
35.5
12.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
@ V
R
(V)
1.0
1.0
1.0
1.0
1.5
2.0
3.0
4.0
5.2
6.0
Zener Impedance
Leakage Current
I
ZM
(mA)
(dc)
455
417
385
349
319
294
268
242
221
200
Marking
813B
814B
815B
816B
817B
818B
819B
820B
821B
822B
www.kexin.com.cn
1