Littelfuse 370 Series - Manual (Page 2)

© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/19/13
Radial Lead Fuses
TR5 ® > Fast-Acting > 370 Series
Average Time Current Curves Temperature Rerating Curve
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
max. (A 2 s)
Agency Approvals
0040 40mA 250V
35 A/ 250VAC 1
50-60 Hz cos ϕ = 1.0
900 100 0.0002 g X
0050 50mA 250V 320 80 0.00035 X X X X
0063 63mA 250V 350 100 0.0005 X X X X
0080 80mA 250V 370 120 0.0014 X X X X
0100 100mA 250V 600 130 0.0038 X X X X
0125 125mA 250V 550 172 0.0066 X X X X
0160 160mA 250V 500 165 0.014 X X X X
0200 200mA 250V 465 190 0.03 X X X X
0250 250mA 250V 400 250 0.051 X X X X
0315 315mA 250V 380 250 0.1 X X X X
0400 400mA 250V 120 135 0.025 X X X X
0500 500mA 250V 120 155 0.042 X X X X
0630 630mA 250V 115 200 0.076 X X X X
0800 800mA 250V 120 310 0.12 X X X X
1100 1.00A 250V 110 310 0.2 X X X X X
1125 1.25A 250V 100 360 0.31 X X X X X
1160 1.60A 250V 100 600 0.53 X X X X X
1200 2.00A 250V 85 500 0.98 X X X X X
1250 2.50A 250V 80 660 1.8 X X X X X
1315 3.15A 250V 90 950 3.1 X X X X X
1400 4.00A 250V 40 A / 250 VAC 80 920 6.7 X X X X X
1500 5.00A 250V 50 A / 250 VAC 80 1000 12.00 X X X X X
1630 6.30A* 250V 63 A / 250 VAC 70 1200 24.00 g X X
1 Per UL, approved breaking capacity is 50 A at 250 V.
* Conducting path min. 0.2 mm
2
G = Expert Report pending
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.
040
A
0.
050
A
0.
063
A
0.
080
A
0.
100
A
0.
125
A
0.
160
A
0.
200
A
0.
250
A
0.
315
A
0.
400
A
0.
500
A
0.
63
0A
0.
80
0A
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
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.
040
A
0.
050
A
0.
063
A
0.
080
A
0.
100
A
0.
125
A
0.
160
A
0.
200
A
0.
250
A
0.
315
A
0.
400
A
0.
500
A
0.
63
0A
0.
80
0A
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
0
20
40
60
80
100
120
140
-40 -20 0 20 40 60 80
AMBIENT TEMPERATURE (°C)
PE
RC
EN
TO
F
RAT
IN
G
23°C