BY448_15 Datasheet, PDF (2/5 Pages) Vishay Siliconix – Standard Avalanche Sinterglass Diode

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BY448 , BY458
Vishay Semiconductors
ELECTRICAL CHARACTERISTICS (T_amb = 25 °C, unless otherwise specified)
PARAMETER
TEST CONDITION
SYMBOL MIN.
Forward voltage
Reverse current
Reverse recovery time
Total reverse recovery time
I_F = 3 A
V_F
-
V_R = V_RRM
I_R
-
V_R = V_RRM, T_j = 140 °C
I_R
-
I_F = 0.5 A, I_R = 1 A, i_R = 0.25 A
t_rr
-
I_F = 1 A, - dI_F/dt = 0.05 A/μs
t_rr
-
TYP.
-
-
-
-
-
TYPICAL CHARACTERISTICS (T_amb = 25 °C, unless otherwise specified)
MAX
1.6
3
140
2000
20
UNIT
V
μA
μA
ns
μs
120
l
l
100
80
T_L = constant
60
40
20
0
0
949101
5
10 15 20 25 30
l - Lead Length (mm)
Fig. 1 - Typ. Thermal Resistance vs. Lead Length
2.5
V_R = V_RRM
half sine wave
2.0
R_thJA = 45 K/W
l = 10 mm
1.5
1.0
0.5 ^RthJA ^{= 100 K/W}
PCB: d = 25 mm
0
0
16418
25 50 75 100 125 150
T_amb - Ambient Temperature (°C)
Fig. 3 - Max. Average Forward Current vs. Ambient Temperature
100
10
T_j = 150 °C
1
T_j = 25 °C
0.1
0.01
0.001
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
16417
V_F - Forward Voltage (V)
Fig. 2 - Forward Current vs. Forward Voltage
1000
100
V_R = V_RRM
10
1
25
16419
50
75
100 125 150
T_j - Junction Temperature (°C)
Fig. 4 - Reverse Current vs. Junction Temperature
Rev. 1.8, 27-Aug-12
2
Document Number: 86006
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