BCR3KM-12LB データシートの表示（PDF） - Kersemi Electronic Co., Ltd.
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BCR3KM-12LB Datasheet PDF : 7 Pages
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BCR3KM-12LB
Maximum Transient Thermal Impedance
Characteristics (Junction to ambient)
103
7
5
No Fins
3
2
102
7
5
3
2
101
7
5
3
2
100
7
5
3
2
10–1101 2 3 5 7102 2 3 5 7103 2 3 5 7104 2 3 5 7105
Conduction Time (Cycles at 60Hz)
Allowable Case Temperature vs.
RMS On-State Current
160
140
120 Curves apply regardless
of conduction angle
100
80
60
40
360° Conduction
20 Resistive,
inductive loads
0
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
RMS On-State Current (A)
Allowable Ambient Temperature vs.
RMS On-State Current
160
Natural convection
140
No Fins
Curves apply regardless
120
of conduction angle
Resistive, inductive loads
100
80
60
40
20
0
0 0.5 1.0 1.5 2.0 2.5 3.0
RMS On-State Current (A)
Maximum On-State Power Dissipation
5.0
4.5
4.0
360° Conduction
3.5 Resistive,
3.0 inductive loads
2.5
2.0
1.5
1.0
0.5
0
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
RMS On-State Current (A)
Allowable Ambient Temperature vs.
RMS On-State Current
160
120 × 120 × t2.3
140
120
100 × 100 × t2.3
100
60 × 60 × t2.3
80
60 All fins are black painted
aluminum and greased
40 Curves apply regardless
of conduction angle
20 Resistive, inductive loads
Natural convection
0
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
RMS On-State Current (A)
Repetitive Peak Off-State Current vs.
Junction Temperature
106
7
5
3
2
105
7
5
3
2
104
7
5
3
2
103
7
5
3
2
102
–60 –40–20 0
Typical Example
20 40 60 80 100 120 140 160
Junction Temperature (°C)
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