SURFACE MOUNT SILICON ZENER DIODES
1SMAF5913B - 1SMAF5957B
SURFACE MOUNT SILICON ZENER DIODES
VOLTAGE RANGE: 3.3 - 240V POWER: 1.5Wa t t s
Features
D Comp...
Description
1SMAF5913B - 1SMAF5957B
SURFACE MOUNT SILICON ZENER DIODES
VOLTAGE RANGE: 3.3 - 240V POWER: 1.5Wa t t s
Features
D Complete Voltage Range 3.3 to 240 Volts D High peak reverse power dissipation D High reliability D Low leakage current
Mechanical Data
! Case: SMAF,Molded Plastic ! Terminals: Solder Plated, Solderable
per MIL-STD-750, Method 2026 ! Polarity:Color band denotes cathode end ! Mounting Position:Any ! Weight:0.0018 ounce, 0.064 grams
B
C
E
D H
L
E
A
SMAF
Dim Min Max Typ A 4.75 4.85 4.80 B 3.68 3.72 3.70 C 2.57 2.63 2.60 D 0.097 1.03 1.00 E 1.38 1.42 1.40 H 0.13 0.17 0.15
L 0.63 0.67 0.65 All Dimensions in mm
Maximum Ratings TA = 25°C unless otherwise specified
Rating
DC Power Dissipation @ TL = 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 IF = 200 mA Operating Junction and Storang Temperature Range
Symbol
PD
RӨJL PD
RӨJA VF TJ, TSTG
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
PD, MAXIMUM DISSIPATION, (W)
Fig. 1 POWER TEMPERATURE DERATING CURVE 1.5
1.2
0.9
TL
0.6 Ta
0.3
0
0
25 50 75 100 125 150 175
T, TEMPERATURE (°C)
1 of 2
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ELECTRICAL CHARACTERISTICS Rating at 25 °C ambient temperature unless otherwise specified
Nominal Zener
Maximum Zener
TYPE
Voltage
VZ @ IZT
IZT
Impedance
ZZT @...
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