SURFACE MOUNT SILICON
ZENER DIODES
1SMA5913B - 1SMA5957B
VZ : 3.3 - 240 Volts
PD : 1.5 Watts
SMA-L
FEATURES :
1.3 ± 0.2
* Complete Voltage Range 3.3 to 240 Volts
* High peak reverse power dissipation
* High reliability
* Low leakage current
1.8 ± 0.2
* Pb / RoHS Free
2.3 ± 0.2
2.7 ± 0.2
MECHANICAL DATA :
* Case : SMA-L Molded plastic
* Epoxy : UL94V-O rate flame retardant
* Polarity : Color band denotes cathode end
* Mounting position : Any
1.8 ± 0.2
Dimensions in millimeter
* Weight : 0.060 gram (Approximately)
MAXIMUM RATINGS
Rating at25 °C ambient temperature unless otherwise specified
Rating
DC Power Dissipation (Note1)
Symbol
Value
1.5
Unit
W
PD
1.5
V
Maximum Forward Voltage at IF = 200 mA
Maximum Thermal Resistance Junction to Ambient Air (Note2)
Junction Temperature Range
VF
130
K / W
ºC
RӨJA
TJ
- 55 to + 175
- 55 to + 175
ºC
TS
Storage Temperature Range
Note :
2
(1) TL = Lead temperature at 5.0 mm ( 0.013 mm thick ) copper land areas
Fig. 1 POWER TEMPERATURE DERATING CURVE
1.5
1.2
0.9
0.6
0.3
0
5.0 mm2 ( 0.013 mm thick )
copper land areas.
0
25
50
75
100
125
150
175
TL, LEAD TEMPERATURE (°C)
Page 1 of 2
Rev. 04 : January 14, 2006