BBRF550 Datasheet, PDF (5/28 Pages) Tyco Electronics – Overcurrent Protection Device

Thermal Derating for Radial-leaded Devices
Table R2
[Hold Current (A) at Ambient Temperature (°C)]
Maximum Ambient Temperature
Part Number
-40°C -20°C
0°C
20°C
RGEF
16V
RGEF800
11.7
10.7
9.6
8.3
RGEF900
13.2
11.9
10.7
9.4
RGEF1000
14.7
13.3
12.0
10.3
RGEF1100
16.1
14.6
13.1
11.5
RGEF1200
17.6
16.0
14.4
12.4
RGEF1400
20.5
18.7
16.8
14.5
RHEF
16V - High Temperature
RHEF200
2.71
2.49
2.26
2.06
RHEF300
4.07
3.74
3.41
3.09
RHEF400
5.57
5.11
4.65
4.22
RHEF450
6.10
5.60
5.10
4.60
RHEF550
7.47
6.86
6.24
5.66
RHEF600
8.20
7.50
6.80
6.20
RHEF650
8.80
8.10
7.40
6.70
RHEF700
9.51
8.73
7.95
7.20
RHEF750
10.20
9.40
8.60
7.70
RHEF800
10.87
9.98
9.08
8.23
RHEF900
12.21 11.19
10.16
9.26
RHEF1000
13.60 12.50
11.40
10.30
RHEF1100
14.94 13.72
12.49
11.31
RHEF1300
17.70 16.30
14.80
13.40
RHEF1400
19.01 17.46
15.89
14.40
RHEF1500
20.40 18.80
17.10
15.50
RUSBF
6V
RUSBF075
1.05
0.95
0.85
0.75
RUSBF120
1.69
1.52
1.36
1.20
RUSBF155
2.17
1.96
1.75
1.55
25°C
8.00
9.00
10.00
11.00
12.00
14.00
2.00
3.00
4.00
4.50
5.50
6.00
6.50
7.00
7.50
8.00
9.00
10.00
11.00
13.00
14.00
15.00
0.73
1.16
1.50
40°C
6.9
7.9
8.7
9.7
10.4
12.1
1.77
2.65
3.62
4.00
4.85
5.30
5.70
6.17
6.60
7.06
7.97
8.80
9.70
11.40
12.35
13.20
0.65
1.04
1.34
50°C
6.4
7.2
8.0
8.8
9.6
11.2
1.60
2.40
3.29
3.60
4.41
4.90
5.30
5.61
6.10
6.41
7.20
8.10
8.82
10.50
11.22
12.10
0.60
0.96
1.24
60°C
5.6
6.4
7.0
7.8
8.4
9.8
1.46
2.21
3.01
3.30
4.04
4.40
4.80
5.15
5.60
5.88
6.56
7.40
8.09
9.60
10.29
11.10
0.55
0.88
1.14
70°C
5.1
5.6
6.3
6.9
7.6
8.9
1.34
2.00
2.73
3.00
3.66
4.00
4.30
4.66
5.00
5.33
6.04
6.60
7.32
8.60
9.32
9.90
0.50
0.80
1.03
Cont’d
85°C
125°C
3.7
—
4.2
—
4.7
—
5.2
—
5.6
—
6.5
—
1.11
0.49
1.66
0.74
2.27
1.01
2.50
1.10
3.05
1.36
3.30
1.50
3.60
1.60
3.88
1.73
4.10
1.90
4.43
1.97
5.01
2.19
5.50
2.50
6.09
2.71
7.20
3.30
7.76
3.45
8.30
3.80
0.43
—
0.68
—
0.88
—
Figure R1-R5 Thermal Derating Curve for Radial-leaded Devices
RXEF and BBRF
Figure R1
200
150
100
50
0
-40
-20
0
20
40
60
80
Ambient Temperature (˚C)
10
RoHS Compliant, ELV Compliant
115