1SMA5913B Datasheet, PDF (1/2 Pages) SynSemi, Inc. – SURFACE MOUNT SILICON ZENER DIODES

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}
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)}
B
A
C
D
J
H
G
E
SMA
Dim Min Max
A
2.29 2.92
B
4.00 4.60
C
1.27 1.63
D
0.15 0.31
E
4.80 5.59
G
0.10 0.20
H
0.76 1.52
J
2.01 2.62
All Dimensions in mm
Maximum Ratings @ TA = 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
R_Ó¨JL
P_D
R_Ó¨JA
V_F
T_J, T_STG
Value
1.5
20
50
0.5
4.0
250
1.5
- 65 to + 150
Fig. 1 POWER TEMPERATURE DERATING CURVE
1.5
1.2
0.9
T_L
0.6
Ta
0.3
0
0
25 50 75 100 125 150 175
T, TEMPERATURE (°C)
1of2
Unit
W
mW/°C
°C/W
W
mW/°C
°C/W
V
°C