BK/C518-3-R

Effective May 2017 Supersedes September 2009 

Technical Data **2026** 

## 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 

**==> picture [195 x 44] intentionally omitted <==**

**----- Start of picture text -----**<br>
2 seconds max. Electrical Characteristics<br>Rated Current Amp Rating Opening Time<br>100% None<br>100mA-5A 135% 60 minutes max.<br>200% 2 seconds max.<br>**----- End of picture text -----**<br>


- Optional insulation sleeve is flexible flouropolymer (UL Flammability rating VW-1). 

- UL Listed product meets standard UL 248-14 

|**Specifications**<br>**Interrupting Rating**<br>**Voltage**<br>**Typical DC Cold**<br>**Typical**<br>**Max**<br>**Part Number**<br>**Rating**<br>**at Rated Voltage (amps)**<br>**Resistance***<br>**Melting I 2t****<br>**Voltage**<br>**Vac**<br>**250Vac**<br>**125Vac**<br>**AC**<br>**Drop (mV)*****<br>**(**Ω**)**|**Specifications**<br>**Interrupting Rating**<br>**Voltage**<br>**Typical DC Cold**<br>**Typical**<br>**Max**<br>**Part Number**<br>**Rating**<br>**at Rated Voltage (amps)**<br>**Resistance***<br>**Melting I 2t****<br>**Voltage**<br>**Vac**<br>**250Vac**<br>**125Vac**<br>**AC**<br>**Drop (mV)*****<br>**(**Ω**)**|**Specifications**<br>**Interrupting Rating**<br>**Voltage**<br>**Typical DC Cold**<br>**Typical**<br>**Max**<br>**Part Number**<br>**Rating**<br>**at Rated Voltage (amps)**<br>**Resistance***<br>**Melting I 2t****<br>**Voltage**<br>**Vac**<br>**250Vac**<br>**125Vac**<br>**AC**<br>**Drop (mV)*****<br>**(**Ω**)**|**Specifications**<br>**Interrupting Rating**<br>**Voltage**<br>**Typical DC Cold**<br>**Typical**<br>**Max**<br>**Part Number**<br>**Rating**<br>**at Rated Voltage (amps)**<br>**Resistance***<br>**Melting I 2t****<br>**Voltage**<br>**Vac**<br>**250Vac**<br>**125Vac**<br>**AC**<br>**Drop (mV)*****<br>**(**Ω**)**|**Specifications**<br>**Interrupting Rating**<br>**Voltage**<br>**Typical DC Cold**<br>**Typical**<br>**Max**<br>**Part Number**<br>**Rating**<br>**at Rated Voltage (amps)**<br>**Resistance***<br>**Melting I 2t****<br>**Voltage**<br>**Vac**<br>**250Vac**<br>**125Vac**<br>**AC**<br>**Drop (mV)*****<br>**(**Ω**)**|**Specifications**<br>**Interrupting Rating**<br>**Voltage**<br>**Typical DC Cold**<br>**Typical**<br>**Max**<br>**Part Number**<br>**Rating**<br>**at Rated Voltage (amps)**<br>**Resistance***<br>**Melting I 2t****<br>**Voltage**<br>**Vac**<br>**250Vac**<br>**125Vac**<br>**AC**<br>**Drop (mV)*****<br>**(**Ω**)**|**Specifications**<br>**Interrupting Rating**<br>**Voltage**<br>**Typical DC Cold**<br>**Typical**<br>**Max**<br>**Part Number**<br>**Rating**<br>**at Rated Voltage (amps)**<br>**Resistance***<br>**Melting I 2t****<br>**Voltage**<br>**Vac**<br>**250Vac**<br>**125Vac**<br>**AC**<br>**Drop (mV)*****<br>**(**Ω**)**|
|---|---|---|---|---|---|---|
|||**250Vac**|**125Vac**||||
|**C518-100-R**<br>~~Re a~~|250<br>~~a~~|35|10,000<br>~~eG~~|22.30<br>**()**<br>~~eG~~|0.0010|**p()**<br>2230|
|**C518-125-R**<br>~~Re a~~<br>~~Pe~~<br>~~a~~|250<br>~~a~~<br>~~Pe~~<br>~~a~~|35<br>~~Pe~~<br>~~Ge~~<br>|10,000<br>~~Pe~~<br>~~eG~~<br>|15.20<br>~~Pe~~<br>~~eG~~<br>|0.0019<br>~~Pe~~<br>|1930<br>~~Pe~~<br>|
|**C518-250-R**<br>~~ss~~<br>~~a~~|250<br>~~ss~~<br>~~a~~|35<br>~~ss~~<br>~~Ge~~<br>|10,000<br>~~eG~~<br>~~ss~~<br>|5.66<br>~~eG~~<br>~~ss~~<br>|0.012<br>~~ss~~<br>|1450<br>~~ss~~<br>|
|**C518-375-R**<br>~~ss~~<br>~~a~~|250<br>~~ss~~<br>~~a ~~|35<br>~~ss~~<br>~~Ge~~<br> ~~ee~~|10,000<br>~~ss~~<br>~~ee~~|2.53<br>~~ss~~<br>~~ee~~|0.039<br>~~ss~~<br>~~ee~~|968<br>~~ss~~<br>~~ee~~|
|**C518-500-R**<br>~~ee~~|250<br>~~ee~~|35<br>~~ee~~|10,000<br>~~ee~~<br>~~eG~~|1.66<br>~~ee~~<br>~~eG~~|0.059<br>~~ee~~|845<br>~~ee~~|
|**C518-750-R**<br>~~es~~|250<br>~~es~~|35<br>~~es~~|10,000<br>~~es~~<br>~~eG~~|0.91<br>~~es~~<br>~~eG~~|0.264<br>~~es~~|686<br>~~es~~|
|**C518-1.5-R**<br>~~eG~~|250<br>~~eG~~|100<br>~~eG~~|10,000<br>~~eG~~<br>~~eG~~|0.900<br>~~eG~~<br>~~eG~~|0.800<br>~~eG~~|135<br>~~eG~~|
|**C518-2-R**<br>~~es~~<br>~~Rs~~|250<br>~~es~~<br>|100<br>~~es~~<br>|10,000<br>~~es~~<br>~~GG~~<br>|0.064<br>~~es~~<br>~~GG~~<br>|1.9<br>~~es~~<br>|136<br>~~es~~<br>|
|**C518-2.5-R**<br>~~Be~~<br>~~Rs~~|250<br>~~Be~~<br>|100<br>~~Be~~<br>|10,000<br>~~Be~~<br>~~GG~~<br>|0.046<br>~~Be~~<br>~~GG~~<br>|2.9<br>~~Be~~<br>|121<br>~~Be~~<br>|
|**C518-3-R**<br>~~Rs~~|250<br>~~Ds~~|100<br>~~Ds~~|10,000<br>~~GG~~<br>~~Ds~~|0.038<br>~~GG~~<br>~~Ds~~|6.1<br>~~Ds~~|116<br>~~Ds~~|
|**C518-3.5-R**<br>~~Rs~~<br>~~De~~|250<br>~~Ds~~<br>~~De~~|100<br>~~Ds~~<br>~~eG~~|10,000<br>~~GG~~<br>~~Ds~~<br>~~eG~~|0.032<br>~~GG~~<br>~~Ds~~<br>~~eG~~|9.7<br>~~Ds~~|115<br>~~Ds~~|
|**C518-4-R**<br>~~ss~~|250<br>~~ss~~|200<br>~~GO~~|10,000<br>~~GO~~|0.022<br>~~GO~~|16.6|88|
|**C518-5-R**<br>~~ss~~<br>~~eG~~|250<br>~~ss~~<br>~~eG~~|200<br>~~GO~~<br>~~eG~~|10,000<br>~~GO~~<br>~~eG~~|0.018<br>~~GO~~<br>~~eG~~|22.4<br>~~eG~~|91<br>~~eG~~|



* 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) 

C518 5 mm x 15 mm Fast-acting glass tube fuses 

Technical Data 2026 Effective May 2017 

## **Time-Current Curve** 

## **Dimensions - mm** 

Drawing Not to Scale 

|**i**||**Packaging Code**|
|---|---|---|
|**Packaging Code Prefix**||**Description**|
|**i**<br>**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||



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.