Datasheet

© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/19/13
Radial Lead Fuses
TR3
®
> Fast-Acting > 303 Series
Description
Agency Approvals
Agency Agency File Number Ampere Range
E67006
50mA-5A
051378
50mA-5A
Features
Electrical Characteristics
% of Ampere
Rating
Opening Time
200 60 Seconds, Maximum
Applications
Electrical Characteristics
Note: 1.00 means the number one with two decimal places. 1,000 means the number one thousand.
303 Series, TR3
®
, Fast-Acting Fuse
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
max. (A
2
s)
Approvals
®
0050 50mA 125V
50A / 125VAC
60-60 Hz/cos ϕ - 1
50A / 63 VDC
800 40 0.00007
X X
0063 63mA 125V 780 50 0.00013
X X
0080 80mA 125V 730 60 0.0002
X X
0100 100mA 125V 700 70 0.0004
X X
0125 125mA 125V 650 85 0.0022
X X
0160 160mA 125V 600 100 0.0029
X X
0200 200mA 125V 550 110 0.0042
X X
0250 250mA 125V 500 125 0.0082
X X
0315 315mA 125V 450 145 0.015
X X
0400 400mA 125V 400 160 0.025
X X
0500 500mA 125V 380 190 0.042
X X
0630 630mA 125V 160 100 0.015
X X
0800 800mA 125V 155 125 0.025
X X
1100 1.00A 125V 150 155 0.039
X X
1125 1.25A 125V 145 185 0.059
X X
1160 1.60A 125V 140 225 0.11
X X
1200 2.00A 125V 130 260 0.17
X X
1250 2.50A 125V 125 315 0.23
X X
1315 3.15A 125V 120 380 0.45
X X
1400 4.00A 125V 110 440 1.0
X X
1500 5.00A 125V 105 525 1. 5
X X
• ReducedPCBspace
requirements
• Directsolderableor
plug-in versions
• Internationallyapproved
• Lowinternalresistance
• Shocksafecasing
• Vibrationresistant
• Halogenfree
• Lead-free
• Availablefrom50mAto
5A
The 303 Series are TR3
®
, fast-acting type, 125V rated
fuses designed in accordance to UL 248–14.
• Batterychargers
• Consumerelectronics
• Powersupplies
• Industrialcontrollers
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