Brochure

© 2017 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 03/03/17
Radial Lead Fuses
TR5
®
> Time-Lag Fuse > 374 Series
Average Time Current Curves
Electrical Characteristics
Amp
Code
Rated
Current
Voltage
Rating
Breaking
Capacity
Nominal
Cold
Resistance
(Ohms)
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
50A@250VAC
12.5000 900 45 0.011 x x
0063 63mA 250V 7.9200 800 50 0.015 x x
0080 80mA 250V 5.8500 700 55 0.025 x x
0100 100mA 250V 3.8400 600 60 0.039 x x
0125 125mA 250V 2.9000 550 70 0.052 x x
0160 160mA 250V 1.8300 480 80 0.083 x x
0200 200mA 250V 1.2000 390 80 0.146 x x
0250 250mA 250V 0.7600 350 90 0.313 x x
0315 315mA 250V 0.5450 300 95 0.298 x x
0400 400mA 250V 0.3510 250 100 0.552 x x
0500 500mA 250V 0.2600 220 110 0.875 x x
0630 630mA 250V 0.1700 210 135 1.191 x x
0800 800mA 250V 0.1250 160 130 2.112 x x
110 0 1.00A 250V 0.1050 155 155 3.100 x x
112 5 1.25A 250V 0.0800 145 185 4.453 x x
116 0 1.60A 250V 0.0540 130 210 6.272 x x
1200 2.00A 250V 0.0395 125 250 11.800 x x
1250 2.50A 250V 0.0300 120 300 18.125 x x
1315 3.15A 250V 0.0227 110 350 29.966 x x
1400 4.00A 250V 0.0170 10 0 400 56.000 x x
1500 5.00A 250V 0.0122 95 475 87.500 x x
1630 6.30A 250V 0.0094 90 570 144.869 x x
1800 8.00A 250V 0.0060 80 1000 220.800 x
210 0 10.00A 250V 0.0050 90 1250 430.000 x
Notes:
1) 1.00 means the number one with two decimal places. 1,000 means the number one thousand.
2) Resistance is measured at 10% of rated current, 25ºC.
CURRENT IN AMPERES
TIME IN SECONDS
0.001
0.010
0.100
1
10
100
1000
10000
100000
0.100 1 10 1000.02
0.050A
0.063A
0.080A 0.100A
0.125A
0.160A 0.200A 0.250A 0.315A 0.400A
0.500A 0.630A
0.800A
1.00A
1.25A 1.60A
2.00A 2.50A
3.15A 4.00A
5.00A 6.30A 8.00A 10.00A
Temperature Re-rating Curve
0
20
40
60
80
100
120
140
-40-20 020406080
AMBIENTTEMPERATURE (°C)
PERCENT OF RATING
23°C
Note:
1. Rerating depicted in this curve is in addition to the standard derating of 25% for
continuous operation.