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 Dimensions - mm Drawing Not to Scale UL Listed Card: Guide JDYX, File E19180 CSA Certification Card: Class 1422-01, 53787 14.48 5.2 Ordering 5.0 (Typ.) Specify product code Insert packaging code prefix before part number. E.g. BK (or BK1)/C520-500-R Specifications Voltage Interrupting Rating Typical DC Cold Typical Typical 2 Part Number Rating at Rated Voltage (amps) Resistance* Melting It** Voltage Vac 250Vac 125Vac () 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) 2 2 2 ** Typical Melting I t (A Sec) (maximum I t at 10 times rated current) ***Typical Voltage Drop (Voltage drop was measured at 25C3C ambient temperature at rated current) 0409 BU-SB09252 Page 1 of 2 Data Sheet 2027Time-Current Curve Amp Rating Current in Amps Packaging Code Packaging Code Prefix Description BK 100 fuses packed into a cardboard carton BK1 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 Time in Seconds