VS-1N3881(2015) 查看數據表（PDF） - Vishay Semiconductors
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VS-1N3881 Datasheet PDF : 9 Pages
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VS-1N3879(R), VS-1N3889(R) Series
Vishay Semiconductors
14
1N3879
12 to 1N3883
TJ = 150 °C
10
Ø = 180°
120°
8
60°
DC
30°
6
RMS limit
4
R
thSA =
10
6-
8 - ΔR
- ΔR
5
ΔR
K/W
-
ΔR
151-2Δ-RΔR
20 - ΔR
4 - ΔR
30 - ΔR
2
Ø
Conduction angle
No heatsink
0
0 1 2 3 4 5 6 7 8 9 10 10 20 30 40 50 60 70 80 90 100
Average Forward Current (A)
Maximum Allowable
Ambient Temperature (°C)
Fig. 5 - Current Rating Nomogram (Rectangular Waveforms), 1N3879 Series
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
12 - ΔR
15 - ΔR
20 - ΔR
2
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
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° 0.33
120° 0.58
60° 1.28
30° 2.20
180° 0.46
120° 0.48
60° 1.02
30° 1.76
DC 0
180° 0.26
120° 0.46
60° 1.02
30° 1.76
Revision: 28-May-15
5
Document Number: 93144
For technical questions within your region: DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
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