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BK/C520-3.5-R

P1-P2
Description
• Fast-acting
• 5 x 14.48mm physical size
• Glass tube, nickel-plated brass endcap construction
• UL Listed product meets standard UL 248-14
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
5.0 (Typ.)
14.48
5.2
Dimensions - mm
Drawing Not to Scale
Electrical Characteristics
Rated Current Amp Rating Opening Time
100% None
100mA - 5A 135% 1 hours max.
200% 2 seconds max.
Specifications
Voltage Interrupting Rating Typical DC Cold Typical Typical
Part Number Rating at Rated Voltage (amps) Resistance* Melting I
2
t** Voltage
Vac 250Vac 125Vac (
ΩΩ
) AC Drop (mV)***
C520-100-R 250 35 10,000 22.30 0.0010 2230
C520-125-R 250 35 10,000 15.20 0.0019 1930
C520-250-R 250 35 10,000 5.60 0.012 1450
C520-375-R 250 35 10,000 2.53 0.039 968
C520-500-R 250 35 10,000 1.66 0.059 845
C520-750-R 250 35 10,000 0.91 0.264 686
C520-1.5-R 250 100 10,000 0.900 0.800 135
C520-2-R 250 100 10,000 0.064 1.9 136
C520-2.5-R 250 100 10,000 0.046 2.9 121
C520-3-R 250 100 10,000 0.038 6.1 116
C520-3.5-R 250 100 10,000 0.032 9.7 115
C520-4-R 250 200 10,000 0.022 16.6 88
C520-5-R 250 200 10,000 0.018 22.4 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)
5 x 15mm Glass Tube Fuses
C520 Series, Fast-Acting
0409 BU-SB09252 Page 1 of 2 Data Sheet 2027
Time-Current Curve
Packaging Code
Packaging Code Prefix Description
BK 100 fuses packed into a cardboard carton
BK1 1,000 fuses packed into a cardboard carton
© 2009 Cooper Bussmann
St. Louis, MO 63178
www.cooperbussmann.com
0409 BU-SB09252 Page 2 of 2 Data Sheet 2027
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.
Amp
Rating
Current in Amps
Time in Seconds
P1-P2

BK/C520-3.5-R

Mfr. #:
Buy BK/C520-3.5-R
Manufacturer:
Description:
Cartridge Fuses FAST ACTING FUSE
Lifecycle:
New from this manufacturer.
Delivery:
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