RATING CHARACTERISTIC CURVES ( BD4148FPT )
FIG. 1 - FORWARD CHARACTERISTICS
1
FORWARD CURRENT, (A)
100m
10m
1m
100u
10u
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
FORWARD VOLTAGE, (V)
o
Ta=125
o
C
75
o
C
25
o
C
-25 C
FIG. 2 - REVERSE CHARACTERISTICS
1m
REVERSE CURRENT, (A)
0.1m
10u
1u
100n
25
o
C
Ta=125
o
C
75
o
C
10n
1n
0
20
40
60
80
100
120
REVERSE VOLTAGE, (V)
FIG. 3 - TYPICAL JUNCTION CAPACITANCE
REVERSE RECOVERY TIME, (nS)
10
JUNCTION CAPACITANCE, (pF)
5
2
1
0.5
0.2
0.1
0
2
4
6
8
10
12
14
REVERSE VOLTAGE, (V)
6
FIG. 4 - REVERSE RECOVERY TIME CHARATERISTICS
IR=1mA
VR=6V
I
RR
=1/10I
R
4
2
0
0
10
20
30
FORWARD CURRENT, (mA)
PEAK FORWARD SURGE CURRENT, (A)
10.0
5.0
2.0
1.0
0.5
0.2
0.1
0.1
FIG. 5 - MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
PULSE
Single pulse
FIG. 6 - REVERSE RECOVERY TIME MEASUREMENT CIRCUIT
0.01µF
D.U.T.
5
PULSE GENERATOR
OUTPUT 50
100
SAMPLING
OSCILLOSCOPE
1
10
100
1000
10000
PULSE WIDTH, (Sec)
CHENMKO [ CHENMKO ENTERPRISE CO. LTD. ]
