Radial Lead Fuses
Introduction to Circuit Protection
Transientology
TR5
®
> Time Lag > 374 Series
Electrical Characteristics
Voltage
Drop
1.0 x I
N
max. (mV)
900
800
700
600
550
480
390
350
300
250
220
210
160
155
145
130
125
120
110
100
95
90
80
90
Power
Dissipation
1.0 x I
N
max. (mW)
45
50
55
60
70
80
80
90
95
100
110
135
130
155
185
210
250
300
350
400
475
570
1000
1250
Melting
Integral
10 x I
N
min. (A
2
s)
0.0056
0.009
0.014
0.025
0.044
0.058
0.1
0.17
0.26
0.32
0.6
0.75
0.98
2.1
3.2
4.5
7
.5
14
22
36
59
110
150
280
Agency Approvals
®
Amp
Code
0050
0063
0080
0100
0125
0160
0200
0250
0315
0400
0500
0630
0800
1100
1125
1160
1200
1250
1315
1400
1500
1630
1800
2100
Rated
Current
50mA
63mA
80mA
100mA
125mA
160mA
200mA
250mA
315mA
400mA
500mA
630mA
800mA
1.00A
1.25A
1.60A
2.00A
2.50A
3.15A
4.00A
5.00A
6.30A
8.00A
1
10.00A
1
Voltage
Rating
Breaking Capacity
ϕ
= 1.0
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
Temperature De-Rating Curve
Average Time Current Curves
1.60A
2.00A
2.50A
3.15A
4.00A
5.00A
6.30A
8.00A
10.00A
0.050A
0.063A
0.080A
0.100A
0.125A
0.160A
0.200A
0.250A
0.315A
0.400A
0.500A
0.630A
0.800A
1.00A
1.25A
100000
10000
1000
TIME IN SECONDS
100
10
1
0.100
0.010
0.001
0.02
0.100
1
10
100
CURRENT IN AMPERES
374 Series
152
Revised: May 6, 2009
© 2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/374.html for current information.
LITTELFUSE [ LITTELFUSE ]
