1SMA5913A Datasheet, PDF (1/2 Pages) EIC discrete Semiconductors – SURFACE MOUNT SILICON ZENER DIODES

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 Molded plastic
* Epoxy : UL94V-O rate flame retardant
* Polarity : Color band denotes cathode end
* Mounting position : Any
* Weight : 0.060 gram (Approximately)
.060(1.52)
.030(0.76)
MAXIMUM RATINGS
Rating at 25 °C ambient temperature 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
.181(4.60)
.157(4.00)
.012(.305)
.006(.152)
.008(.203)
.002(.051)
.208(5.28)
.188(4.80)
Value
1.5
20
50
0.5
4.0
250
1.5
- 65 to + 150
Unit
W
mW/°C
°C/W
W
mW/°C
°C/W
V
°C
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)