Radial lead fuses, Time lag > 374 series, Temperature rerating curve – Littelfuse 374 Series User Manual
Page 2
© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/19/13
Radial Lead Fuses
TR5
®
> Time Lag > 374 Series
Average Time Current Curves
Electrical Characteristics
Amp
Code
Rated
Current
Voltage
Rating
breaking Capacity
Voltage
Drop
1.0×I
N
max. (mV)
power
Dissipation
1.0×I
N
max. (mW)
melting
Integral
10×I
N
min. (A
2
s)
Agency Approvals
®
0050
50mA
250V
50 A / 250 VAC
50-60 Hz
cos ϕ = 1.0
900
45
0.0056
x
x
0063
63mA
250V
800
50
0.009
x
x
0080
80mA
250V
700
55
0.014
x
x
0100
100mA
250V
600
60
0.025
x
x
0125
125mA
250V
550
70
0.044
x
x
0160
160mA
250V
480
80
0.058
x
x
0200
200mA
250V
390
80
0.1
x
x
0250
250mA
250V
350
90
0.17
x
x
0315
315mA
250V
300
95
0.26
x
x
0400
400mA
250V
250
100
0.32
x
x
0500
500mA
250V
220
110
0.6
x
x
0630
630mA
250V
210
135
0.75
x
x
0800
800mA
250V
160
130
0.98
x
x
1100
1.00A
250V
155
155
2.1
x
x
1125
1.25A
250V
145
185
3.2
x
x
1160
1.60A
250V
130
210
4.5
x
x
1200
2.00A
250V
125
250
7.5
x
x
1250
2.50A
250V
120
300
14
x
x
1315
3.15A
250V
110
350
22
x
x
1400
4.00A
250V
100
400
36
x
x
1500
5.00A
250V
95
475
59
x
x
1630
6.30A
250V
90
570
110
x
x
1800
8.00A
1
250V
80
1000
150
x
2100
10.00A
1
250V
90
1250
280
x
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.
050A
0.
063A
0.
080A
0.
100A
0.
125A
0.
160A
0.
200A
0.
250A
0.
315A
0.
400A
0.
500A
0.
630A
0.
800
A
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
8.
00
A
10
.0
0A
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