RATINGS AND CHARACTERISTIC CURVES (BA157 THRU BA159)
FIG.1- MAXIMUM FORWARD CURRENT DERATING
CURVE
1.0
1000
FIG.2- TYPICAL REVERSE CHARACTERISTICS
PER LEG
AVERAGE FORWARD CURRENT. (A)
INSTANTANEOUS REVERSE CURRENT. ( A)
0.75
100
Tj=125
0
C
0.5
0.25
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
0.375" (9.5mm)
Lead Length
0
25
50
75
100
o
10
Tj=75
0
C
0
125
150
175
AMBIENT TEMPERATURE. ( C)
1.0
Tj=25
0
C
70
FIG.3- MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
PEAK FORWARD SURGE CURRENT. (A)
60
50
40
30
20
0.1
8.3ms Single Half Sine Wave
JEDEC Method
0
20
40
60
80
100
120
140
PERCENT OF RATED PEAK REVERSE VOLTAGE. (%)
FIG.5- TYPICAL FORWARD CHARACTERISTICS
20
10
10
0
1
2
4
6
10
40
100
NUMBER OF CYCLES AT 60Hz
Tj=25
o
C
Pulse Width=300 s
1% Duty Cycle
INSTANTANEOUS FORWARD CURRENT. (A)
3.0
FIG.4- TYPICAL JUNCTION CAPACITANCE
90
1.0
JUNCTION CAPACITANCE.(pF)
50
0.3
30
20
0.1
Tj=25 C
10
0
0.03
1
1
2
4
6
10
20
REVERSE VOLTAGE. (V)
40
60
100
0.01
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
FORWARD VOLTAGE. (V)
FIG.6- REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM
50
NONINDUCTIVE
10
NONINDUCTIVE
+0.5A
DUT
(-)
PULSE
GENERATOR
(NOTE 2)
NON
INDUCTIVE
OSCILLOSCOPE
(NOTE 1)
(+)
0
-0.25A
trr
(+)
50Vdc
(approx)
(-)
NOTES: 1. Rise Time=7ns max. Input Impedance=
1 megohm 22pf
2. Rise Time=10ns max. Sourse Impedance=
50 ohms
-1.0A
1cm
SET TIME BASE FOR
5/ 10ns/ cm
Version: A06
WTE [ WON-TOP ELECTRONICS ]
