Littelfuse 372 Series - Manual (Page 2)

© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/19/13
Radial Lead Fuses
TR5 ® > Time-Lag > 372 Series
Average Time Current Curves Temperature Rerating Curve
0
20
40
60
80
100
120
140
-40 -20 0 20 40 60 80
AMBIENT TEMPERATURE (°C)
PE
RCE
NT
OF
RA
TI
NG
23°C
Electrical Characteristics
Amp
Code
Rated
Current
Voltage
Rating
breaking Capacity
Voltage
Drop
1.0×I
N
max.
(mV)
power
Dissipation
1.5×I
N
max. (mW)
melting
Integral
10×I
N
min. (A 2 s)
Agency Approvals
0040 40mA 250V
35A/250VAC 1
50-60 Hz cos ϕ = 1.0
900 90 0.009 X
0050 50mA 250V 500 70 0.01 X X X X X
0063 63mA 250V 400 80 0.02 X X X X X
0080 80mA 250V 370 100 0.023 X X X X X
0100 100mA 250V 300 110 0.047 X X X X X
0125 125mA 250V 260 120 0.066 X X X X X
0160 160mA 250V 200 130 0.14 X X X X X
0200 200mA 250V 170 140 0.20 X X X X X
0250 250mA 250V 150 150 0.28 X X X X X
0315 315mA 250V 140 160 0.36 X X X X X
0400 400mA 250V 130 170 0.9 X X X X X
0500 500mA 250V 125 180 1.3 X X X X X
0630 630mA 250V 120 200 2.5 X X X X X
0800 800mA 250V 110 220 3.8 X X X X X
1100 1.00A 250V 110 360 5.5 X X X X X X
1125 1.25A 250V 95 450 9 X X X X X X
1160 1.60A 250V 95 450 14 X X X X X X
1200 2.00A 250V 85 600 23 X X X X X X
1250 2.50A 250V 80 700 35 X X X X X X
1315 3.15A 250V 80 1100 60 X X X X X X
1400 4.00A 250V 40A / 250 VAC 75 1200 95 X X X X X X
1500 5.00A 250V
50A / 250 VAC
80 1300 94 g X X X CQC X
1630 6.30A * 250V 58 1250 105 g X X CQC X
1 Per UL, approved breaking capacity is 50 A at 250 V.
* Conducting path min. 0.2 mm
2
G = Expert Report
Note: 1.00 means the number one with two decimal places. 1,000 means the number one thousand.
CURRENT IN AMPERES
TIME IN SECONDS
0.001
0.010
0.100
1
10
100
1000
10000
100000
0.100 1 10 100 0.02
0.
040A
0.
050A
0.
063A
0.
080A
0.
100A
0.
125A
0.
160A
0.
200A
0.
250A
0.
315A
0.
400A
0.
500A
0.
630
A
0.
800A
1.
00
A
1.
25
A
1.
60
A
2.
00
A
2.
50
A
3.
15
A
4.
00
A
5.
00
A
6.
30
A