BA157 Thru BA159: REVERSE VOLTAGE - 400 To 1000 Volts Forward Current - 1.0 Ampere
BA157 Thru BA159: REVERSE VOLTAGE - 400 To 1000 Volts Forward Current - 1.0 Ampere
BA157 Thru BA159: REVERSE VOLTAGE - 400 To 1000 Volts Forward Current - 1.0 Ampere
FEATURES DO- 41
● Fast switching for high efficiency
● Low cost
● Diffused junction
.034(0.9)
● Low reverse leakage current DIA
.028(0.7)
● Low forward voltage drop
1.0(25.4)
MIN
● High current capability
● The plastic material carries UL recognition 94V-0
.205(5.2)
MAX
.107(2.7)
DIA
.080(2.0)
MECHANICAL DATA
●Case: JEDEC DO-41 molded plastic 1.0(25.4)
●Polarity: Color band denotes cathode MIN
●Weight: 0.012 ounces , 0.34 grams
●Mounting position: Any
~ 62 ~
RATING AND CHARACTERTIC CURVES
BA157 thru BA159
FIG. 1 – FORWARD CURRENT DERATING CURVE FIG. 2 – MAXIMUM NON-REPETITIVE SURGE CURRENT
1.0 40
SINGLE PHASE HALF WAVE 60Hz
0.8
30
0.6
AMPERES
AMPERES
20
0.4
100 10
INSTANTANEOUS FORWARD CURRENT
BA157
CAPACITANCE (pF)
1.0
AMPERES
10
BA158 - BA159
T J = 25°C
0.1
T J = 25°C f = 1 MHz
0.01
1
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8
1 4 10 100
~ 63 ~