Technical Data
2026
Effective
May
2017
Supersedes
September
2009
C518
5 mm x
15
mm
Fast-acting
glass tube fuses
Agency information
•
UL Recognition Card: Guide JDYX2, File E19180
•
CSA Certification Card: Class 1422-01, File 53787
Ordering
•
Specify product code: Insert packaging code prefix
before part number. E.g. BK (or TR2)/C518-2-R
•
Specify option code, if desired:
For insulation sleeve,
insert “S” after part series. E.g. BK/C518S-2-R
•
With TR2 packaging code, lead wire length is 20.3mm
Product features
Axial-leaded fast-acting
5 x 15mm physical size
Nickel-plated brass endcap construction
Optional insulation sleeve is flexible
flouropolymer (UL Flammability rating VW-1).
•
UL Listed product meets standard UL 248-14
•
•
•
•
Rated Current
100mA-5A
2
Electrical Characteristics
seconds max.
Amp Rating
100%
135%
200%
Opening Time
None
60 minutes max.
2 seconds max.
Part Number
C518-100-R
C518-125-R
C518-250-R
C518-375-R
C518-500-R
C518-750-R
C518-1.5-R
C518-2-R
C518-2.5-R
C518-3-R
C518-3.5-R
C518-4-R
C518-5-R
Voltage
Rating
Vac
250
250
250
250
250
250
250
250
250
250
250
250
250
Interrupting Rating
at Rated Voltage (amps)
250Vac
125Vac
35
10,000
35
10,000
35
10,000
35
10,000
35
10,000
35
10,000
100
10,000
100
10,000
100
10,000
100
10,000
100
10,000
200
10,000
200
10,000
Speci cations
Typical DC Cold
Resistance*
(Ω)
22.30
15.20
5.66
2.53
1.66
0.91
0.900
0.064
0.046
0.038
0.032
0.022
0.018
Typical
Melting I
2
t**
AC
0.0010
0.0019
0.012
0.039
0.059
0.264
0.800
1.9
2.9
6.1
9.7
16.6
22.4
Max
Voltage
Drop (mV)***
2230
1930
1450
968
845
686
135
136
121
116
115
88
91
* DC Cold Resistance (Measured at <10% of rated current)
** Typical Melting I
2
t (A
2
Sec) (Minimum at 10 times rated current)
*** Typical Voltage Drop (Voltage drop was measured at 20°C ambient temperature at rated current)
Effective
May
2017
Technical Data
2026
C518
5 mm x 15 mm Fast-acting glass tube fuses
Time-Current Curve
Dimensions - mm
Drawing Not to Scale
Packaging Code Pre x
BK
TR2
Description
100 fuses packed into a cardboard carton
1,500 fuses packed into tape on a reel (20.3mm lead wire length)
Packaging Code
Option Code
S
Description
Insulation Sleeve
Option Code
Life Support Policy: Eaton does not authorize the use of any of its products for use in life support devices or systems without the express written
approval of an officer of the Company. Life support systems are devices which support or sustain life, and whose failure to perform, when properly
used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in significant injury to the user.
Eaton reserves the right, without notice, to change design or construction of any products and to discontinue or limit distribution of any products. Eaton also
reserves the right to change or update, without notice, any technical information contained in this bulletin.
Eaton
Electronics Division
1000 Eaton Boulevard
Cleveland, OH 44122
United States
www.eaton.com/electronics
© 2017 Eaton
All Rights Reserved
Printed in USA
Publication No. 2026
BU-SB09718
May
2017
Eaton is a registered trademark.
All other trademarks are property
of their respective owners.