1SMA5913B-1SMA5957B
1.5 Watts Surface Mount Zener Diodes
Features
•
Complete Voltage Range 3.3 to 240 Volts
•
High peak reverse power dissipation
•
High reliability
•
Low leakage current
B
Dim
SMA
Min
2.29
4.00
1.27
0.15
4.80
0.10
0.76
2.01
Max
2.92
4.60
1.63
0.31
5.59
0.20
1.52
2.62
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)
A
C
A
B
C
D
E
G
H
J
D
J
H
G
E
All Dimensions in mm
Maximum Ratings
@ T
A
= 25°C 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
T
L
Ta
0
25
50
75
100
125
150
175
T
,
TEMPERATURE (
°
C)
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