BA157G Datasheet, PDF (2/2 Pages) Leshan Radio Company – FAST GPP DIODES

RATINGS AND CHARACTERISTICS CURVES BA157 THRU BA159
FIG. 1-TEST CIRCUIT DIAGRAM AND REVERSE
RECOVERY TIME CHARACTERISTIC
50Ω
NO INDUCTIVE
10Ω
NO INDUCTIVE
(+)
25 V_dc
(approx)
(-)
D.U.T.
1Ω
NON
INDUCTIVE
(-)
PULSE
GENERATOR
(NOTE 2)
OSCILLOSCOPE ₍₊₎
(NOTE 1)
NOTE: 1. RISE TIME=7ns MAX. INPUT
IMPEDANCE=1 MOhms 22PF
2. RISE TIME =10ns MAX. SOURCE
IMPEDANCE=50OHMS
Trr
+0.5A
0
-0.25A
-1.0A
1cm
SET TIME BASE
FOR 10/20 ns/cm
Fig. 2-MAXIMUM CURRENT DERATING CURVE
SINGLE PHASE HALF
1.0
WAVE 60Hz
RESISTIVE OR
INDUCTIVE LOAD
0.8
0.6
0.4
0.2
0
0 20 40 60 80 100 120 140 160 180 200
T_A-AMBIENT TEMPERATURE (^OC)
Fig. 3-MAXIMUM FORWARD SURGE
NUMBER OF CYCLES
35
20
T_A=150^oC
Pulse Width= 8.3ms
10
1.0 CYCLE
0
1
10
100
NUMBER OF CYCLES AT 60 HZ
FIG. 4-TYPICAL REVERSE CHARACTERISTICS
100
10
T_J=100^oC
1.0
0.1
.01
T_J=25^oC
0 20 40 60 80 100 120 140
PERCENT OF RATED PEAK REVERSE
VOLTAGE, %
BA157G THRU BA159G
FIG. 5-TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
10
1.0
0.1
Tj=25^oC
PULSE WIDTH =300us
1% DUTY CYCLE
.01
0.4 0.6 0.8 1.0 1.2 1.4 1.6
INSTANTANEOUS FORWARD VOLTAGE, (V)
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