1N3879 查看數據表（PDF） - Vishay Semiconductors
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1N3879 Datasheet PDF : 8 Pages
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VS-1N3879(R), VS-1N3889(R) Series
Vishay Semiconductors
10
1N3889 to 1N3893
9 TJ = 150 °C
8
Ø = 180°
7
120°
60°
6
30°
5 - ΔR
6 - ΔR
8 - ΔR
10 - ΔR
R
thSA
=4-
3 - ΔR
ΔR K/W
2 - ΔR
5
4
RMS limit
3
2
12 - ΔR
15 - ΔR
20 - ΔR
Ø
30 - ΔR
1
Conduction angle
No heatsink
0
0 1 2 3 4 5 6 7 8 9 10 11 12 10 20 30 40 50 60 70 80 90 100
Average Forward Current (A)
Maximum Allowable
Ambient Temperature (°C)
Fig. 6 - Current Rating Nomogram (Sinusoidal Waveforms), 1N3889 Series
180° 0.46
120° 0.48
60° 1.02
30° 1.76
30
1N3889
to 1N3893
25 TJ = 150 °C
Ø = 180°
20
120°
60°
30°
15
10 RMS limit
5
0
024 6
DC
Ø
Conduction angle
3
R
thSA
- ΔR
=
2
-
ΔR
1.0
K/W
-
ΔR
0.5 - ΔR
5 - ΔR 4 - ΔR
8 - ΔR
10 - ΔR
15 - ΔR
20 - ΔR
6 - ΔR
No heatsink
8 10 12 14 16 18 20 10 20 30 40 50 60 70 80 90 100
Average Forward Current (A)
Maximum Allowable
Ambient Temperature (°C)
Fig. 7 - Current Rating Nomogram (Rectangular Waveforms), 1N3889 Series
DC 0
180° 0.26
120° 0.46
60° 1.02
30° 1.76
103
1N3879 to 1N3883
102
10
TJ = 150 °C
TJ = 25 °C
1
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
Instantaneous Forward Voltage (V)
Fig. 8 - Maximum Forward Voltage vs. Forward Current,
1N3879 Series
103
1N3879 to 1N3883
Ø = 180°
120°
60°
102
30°
Ø
10
Ø
Ø = DC
180°
120°
60°
30°
1
1
10
TJ = 150 °C
102
103
Average Forward Current (A)
Fig. 9 - Maximum High Level Forward Power Loss vs.
Average Forward Current, 1N3879 Series
Revision: 11-Jan-18
5
Document Number: 93144
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