Description
• 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
Electrical Characteristics
Rated Current | Amp Rating | Opening Time |
100mA-5A | 100% | None |
135% | 60 minutes max. | |
200% | 2 seconds max. |
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
Dimensions - mm
Drawing Not to Scale
![](/uploads/spec-pics/201304/C518-cooper-bussmann-Dimensions.jpg)
• With TR2 packaging code, lead wire length is 20.3mm
Specifications
Part Number | Voltage Rating Vac | Interrupting Rating at Rated Voltage (amps) | Typical DC Cold Resistance* (Ω) | Typical Melting I2t** AC | Max Voltage Drop (mV)*** | |
250Vac | 125Vac | |||||
C518-100-R | 250 | 35 | 10,000 | 22.3 | 0.001 | 2230 |
C518-125-R | 15.2 | 0.0019 | 1930 | |||
C518-250-R | 5.66 | 0.012 | 1450 | |||
C518-375-R | 2.53 | 0.039 | 968 | |||
C518-500-R | 1.66 | 0.059 | 845 | |||
C518-750-R | 0.91 | 0.264 | 686 | |||
C518-1.5-R | 100 | 0.9 | 0.8 | 135 | ||
C518-2-R | 0.064 | 1.9 | 136 | |||
C518-2.5-R | 0.046 | 2.9 | 121 | |||
C518-3-R | 0.038 | 6.1 | 116 | |||
C518-3.5-R | 0.032 | 9.7 | 115 | |||
C518-4-R | 200 | 0.022 | 16.6 | 88 | ||
C518-5-R | 0.018 | 22.4 | 91 |
** Typical Melting I2t (A2Sec) (Minimum at 10 times rated current)
***Typical Voltage Drop (Voltage drop was measured at 20°C ambient temperature at rated current)
Time-Current Curve
![](/uploads/spec-pics/201304/C518-cooper-bussmann-Time-Current-Curve.jpg)
Packaging Code
Packaging Code Prefix | Description |
BK | 100 fuses packed into a cardboard carton |
TR2 | 1,500 fuses packed into tape on a reel (20.3mm lead wire length) |
Option Code
Option Code | Description |
S | Insulation Sleeve |