BA157 Ver la hoja de datos (PDF) - Invac
Número de pieza
componentes Descripción
Fabricante
BA157 Datasheet PDF : 2 Pages
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BA157 THRU BA159
RATING AND CHARACTERISTIC CURVES
FIG. 1 - FORWARD CURRENT DERATING CURVE
1.0
0.8
0.6
L
0.4
5mm x 5mm Cu Leafs
9.5mm Lead Length
0.2
0
0
25 50 75 100 125 150 175 200
AMBIENT TEMPERATURE, °C
FIG. 3 - TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
100
30
10
3.0
1.0
0.3
TJ = 25°C
Pulse width = 300µs
2% duty cycle
0.1
.03
.01
0.4 0.6 0.8 1.0 1.2 1.4 1.6
INSTANTANEOUS FORWARD
VOLTAGE, VOLTS
FIG. 2 - MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
30
25
20
15
10
5
1
TA = 75°C
8.3ms single half sine-wave
(JEDEC) method
2
5
10
20
50
100
NUMBER OF CYCLES AT 60Hz
FIG. 4 - TYPICAL JUNCTION CAPACITANCE
15
10
5
2
1
.1 .2
TJ = 25°C
f = 1MHz
VSIG = 50mVp-p
.5 1 2
5 10 20 50 100
REVERSE VOLTAGE, VOLTS
FIG. 5 - TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTICS
50ý NONINDUCTIVE
10ý NONINDUCTIVE
trr
+0.5A
25Vdc
(approx)
DUT
1ý NON OSCILLOSCOPE
INDUCTIVE
(Note 1)
(–)
PULSE
GENERATO
R (Note 2)
(+)
0
-0.25A
NOTES 1 Rise Time = 7ns max, Input Impedance = 1 megaohm 22pF
2 Rise Time = 10ns max, Source Impedance = 50 ohms
-1.0A
1cm
SET TIME BASE
FOR 50/100ns/cm
Reformatted by Anglia 9851
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