RATING CHARACTERISTIC CURVES ( BD4148SPT )
FIG. 1 - FORWARD CHARACTERISTICS
FIG. 2 - REVERSE CHARACTERISTICS
1m
0.1m
10u
1u
1
100m
10m
1m
Ta=125oC
75oC
Ta=125oC
75oC
25oC
-25oC
100n
10n
1n
25oC
100u
10u
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
0
20
40
60
80
100
120
FORWARD VOLTAGE, (V)
REVERSE VOLTAGE, (V)
FIG. 3 - TYPICAL JUNCTION CAPACITANCE
FIG. 4 - REVERSE RECOVERY TIME CHARATERISTICS
10
5
6
4
2
0
IR=1mA
VR=6V
IRR=1/10IR
2
1
0.5
0.2
0.1
0
2
4
6
8
10
12
14
0
10
20
30
REVERSE VOLTAGE, (V)
FORWARD CURRENT, (mA)
FIG. 5 - MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
FIG. 6 - REVERSE RECOVERY TIME MEASUREMENT CIRCUIT
10.0
5.0
0.01µF
D.U.T.
PULSE
Single pulse
5
2.0
1.0
0.5
PULSE GENERATOR
OUTPUT 50
SAMPLING
OSCILLOSCOPE
100
0.2
0.1
0.1
1
10
100
1000
10000
PULSE WIDTH, (Sec)
CHENMKO [ CHENMKO ENTERPRISE CO. LTD. ]
