1SMA5913A - 1SMA5957A
SURFACE MOUNT SILICON
ZENER DIODES
VZ : 3.3 - 240 Volts
PD : 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
MECHANICAL DATA :
* Case : SMA-L Molded plastic
* Epoxy : UL94V-O rate flame retardant
* Polarity : Color band denotes cathode end
* Mounting position : Any
* Weight : 0.060 gram (Approximately)
MAXIMUM RATINGS
Rating at 25 °C ambient temperature unless otherwise specified
Rating Symbol Value Unit
DC Power Dissipation (Note1) P
D
Maximum Forward Voltage at I
F
= 200 mA V
F
Maximum Thermal Resistance Junction to Ambient Air (Note2) R
ӨJA
Junction Temperature Range T
J
Storage Temperature Range T
S
Note :
(1) T
L
= Lead temperature at 5.0 mm
2
( 0.013 mm thick ) copper land areas
0 25 50 75 100 125 150 175
TL, LEAD TEMPERATURE (°C)
Page 1 of 2 Rev. 01 : February 6, 2006
V
W
- 55 to + 175
ºC
ºC
K / W
1.5
1.5
130
- 55 to + 175
0.3
0.6
0.9
1.2
1.5
P
D
, M
AXIM
U
M
D
I
SSIPATIO
N

(
W
ATTS)
Fig. 1 POWER TEMPERATURE DERATING CURVE
5.0 mm
2
( 0.013 mm thick )
copper land areas.
0
2.3 ± 0.2
SMA-L
1.8 ± 0.2
5.4
±
0.2
4.4
±
0.2
2.7 ± 0.2
Dimensions in millimeter
1.3 ± 0.2
1.8 ± 0.2