PolySwitch Resettable Devices
Table R2 - Thermal Derating for Radial-leaded Devices [Hold Current (A) at Ambient Temperature (°C)]
...
Cont'd
Maximum Ambient Temperature
-40°C
-20°C
0°C
20°C
Part Number
RHEF
16V - High Temperature
RHEF650
RHEF700
RHEF750
RHEF800
RHEF900
RHEF1000
RHEF1100
RHEF1300
RHEF1400
RHEF1500
RUSBF
6V
RUSBF075
RUSBF120
RUSBF155
25°C
40°C
50°C
60°C
70°C
85°C
125°C
8.80
9.51
10.20
10.87
12.21
13.60
14.94
17.70
19.01
20.40
8.10
8.73
9.40
9.98
11.19
12.50
13.72
16.30
17.46
18.80
7.40
7.95
8.60
9.08
10.16
11.40
12.49
14.80
15.89
17.10
6.70
7.20
7.70
8.23
9.26
10.30
11.31
13.40
14.40
15.50
6.50
7.00
7.50
8.00
9.00
10.00
11.00
13.00
14.00
15.00
5.70
6.17
6.60
7.06
7.97
8.80
9.70
11.40
12.35
13.20
5.30
5.61
6.10
6.41
7.20
8.10
8.82
10.50
11.22
12.10
4.80
5.15
5.60
5.88
6.56
7.40
8.09
9.60
10.29
11.10
4.30
4.66
5.00
5.33
6.04
6.60
7.32
8.60
9.32
9.90
3.60
3.88
4.10
4.43
5.01
5.50
6.09
7.20
7.76
8.30
1.60
1.73
1.90
1.97
2.19
2.50
2.71
3.30
3.45
3.80
1.05
1.69
2.17
0.95
1.52
1.96
0.85
1.36
1.75
0.75
1.20
1.55
0.73
1.16
1.50
0.65
1.04
1.34
0.60
0.96
1.24
0.55
0.88
1.14
0.50
0.80
1.03
0.43
0.68
0.88
—
—
—
Figures R1-R5 - Thermal Derating Curve for Radial-leaded Devices
A=LVR
B=LVRL
% of Rated Hold and Trip Current
Figure R1
160
150
140
130
120
110
100
90
80
70
60
50
40
30
-30
-20
-10
0
10
20
30
40
50
Ambient Temperature (°C)
60
70
80
90
A
B
RXEF and
BBRF
Radial-leaded Devices
Figure R2
200
% of Rated Hold and Trip Current
150
100
50
13
–20
0
20
40
60
80
0
–40
Ambient Temperature (°C)
114
MACOM [ Tyco Electronics ]
