5 x 15mm Glass Tube Fuses
C520 Series, Fast-Acting
Description
• Fast-acting
• 5 x 14.48mm physical size
• Glass tube, nickel-plated brass endcap construction
• UL Listed product meets standard UL 248-14
Electrical Characteristics
Rated Current
Amp Rating
Opening Time
100%
None
100mA - 5A
135%
1 hours max.
200%
2 seconds max.
Agency Information
• UL Listed Card: Guide JDYX, File E19180
• CSA Certification Card: Class 1422-01, 53787
Ordering
Specify product code
• Insert packaging code prefix before part number. E.g.
BK (or BK1)/C520-500-R
Dimensions - mm
Drawing Not to Scale
14.48
5.0 (Typ.)
5.2
Specifications
Part Number
C520-100-R
C520-125-R
C520-250-R
C520-375-R
C520-500-R
C520-750-R
C520-1.5-R
C520-2-R
C520-2.5-R
C520-3-R
C520-3.5-R
C520-4-R
C520-5-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
Typical DC Cold
Resistance*
Ω
(Ω)
22.30
15.20
5.60
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
Typical
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) (maximum I
2
t at 10 times rated current)
*** Typical Voltage Drop (Voltage drop was measured at 25°C±3°C ambient temperature at rated current)
0409 BU-SB09252
Page 1 of 2
Data Sheet 2027
Time-Current Curve
Amp
Rating
Time in Seconds
Current in Amps
Packaging Code
Packaging Code Prefix
BK
BK1
Description
100 fuses packed into a cardboard carton
1,000 fuses packed into a cardboard carton
The only controlled copy of this Data Sheet is the electronic read-only version located on the Cooper Bussmann Network Drive. All other copies of this document are by definition uncontrolled. This bulletin is
intended to clearly present comprehensive product data and provide technical information that will help the end user with design applications. Cooper Bussmann reserves the right, without notice, to change
design or construction of any products and to discontinue or limit distribution of any products. Cooper Bussmann also reserves the right to change or update, without notice, any technical information contained
in this bulletin. Once a product has been selected, it should be tested by the user in all possible applications.
Life Support Policy: Cooper Bussmann 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.
© 2009 Cooper Bussmann
St. Louis, MO 63178
www.cooperbussmann.com
0409 BU-SB09252
Page 2 of 2
Data Sheet 2027
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