RATING AND CHARACTERTIC CURVES
BA157 thru BA159
FIG. 1
–
FORWARD CURRENT DERATING CURVE
1.0
0.8
0.6
PEAK FORWARD SURGE CURRENT
AMPERES
AVERAGE FORWARD CURRENT
AMPERES
SINGLE PHASE HALF WAVE 60Hz
RESISTIVE OR INDUCTIVE LOAD
FIG. 2
–
MAXIMUM NON-REPETITIVE SURGE CURRENT
40
30
20
0.4
0.2
0
25
50
75
100
125
150
175
10
PULSE WIDTH 8.3ms
SINGLE HALF-SINE-WAVE
(JEDEC METHOD)
0
1
2
5
10
20
50
100
AMBIENT TEMPERATURE (℃)
NUMBER OF CYCLES AT 60Hz
FIG.3
–
TYPICAL JUNCTION CAPACITANCE
100
INSTANTANEOUS FORWARD CURRENT
AMPERES
10
FIG.4-TYPICAL FORWARD CHARACTERISTICS
BA157
CAPACITANCE (pF)
1.0
10
BA158 - BA159
T
J
= 25°C
0.1
PULSE WIDTH 300us
T
J
= 25°C f = 1 MHz
1
1
4
10
100
0.01
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
REVERSE VOLTAGE ,VOLTS
INSTANTANEOUS FORWARD VOLTAGE ,VOLTS
~ 63 ~
HY [ HY ELECTRONIC CORP. ]
