BK/C520-5A

CARTRIDGE FUSES

⚠️ Reference pricing provided. In case of supply shortages, we will connect you with our trusted procurement partners to ensure your project's continuity.

Manufacturer: EATON / PARTNER STOCK
Product type: Cartridge Fuses
SVHC: No SVHC (21-Jan-2025)

Delivery and price
Units per pack	90
Price	3.06 €
Current stock	50+
Lead time	30 days

Datasheet

## **5mm x 15mm Fuses C520 Series, Fast Acting, Glass Tube** 

## **Description** 

- Fast acting 

- 5mm x 15mm physical size 

- Glass tube, nickel-plated brass endcap construction 

**==> picture [45 x 46] intentionally omitted <==**

**----- Start of picture text -----**<br>
RoHS<br>2002/95/EC<br>O<br>**----- End of picture text -----**<br>


- Optional sleeve is flexible flouropolymer 

- (U.L. flammability rating VW-1). 

- UL Listed product meets standard UL 248-14 

|**ELECTRICAL CHARACTERISTICS**|**ELECTRICAL CHARACTERISTICS**|**ELECTRICAL CHARACTERISTICS**|
|---|---|---|
|**Rated Current**|**Amp Rating**|**Opening Time**|
|**Rated Current**<br>100mA - 5A|**Amp Rating**<br>100%|**Opening Time**<br>None|
||135%|1 hours max.|
||200%|2 seconds max.|



## **Agency Information** 

## **Dimensions** 

Drawing Not to Scale 

- UL Listed Card: Guide JDYX, File E19180 

- CSA Certification Card: Class 1422-01, LR65063 

## **Ordering** 

- Specify packaging, product, and option code 

- For -R option, drop mA or A from product code (i.e. C520-3-R) 

|**SPECIFICATIONS**<br>||**SPECIFICATIONS**<br>||**SPECIFICATIONS**<br>||**SPECIFICATIONS**<br>||**SPECIFICATIONS**<br>||**SPECIFICATIONS**<br>||**SPECIFICATIONS**<br>||
|---|---|---|---|---|---|---|
|**Product Code**<br>~~ee~~|**Voltage**<br>**Rating**<br>**AC**<br>~~ee~~|**Interrupting Rating**<br>**at Rated Voltage**<br>**250VAC**<br>**125VAC**<br>~~ee~~||**Typical DC Cold**<br>**Resistance***<br>**(ohms)**<br>~~ee~~|**Typical**<br>**Melting I2t†**<br>**AC**<br>~~ee~~|**Typical**<br>**Voltage**<br>**Drop (mV)‡**<br>~~ee~~|
|**C520-100mA**<br>~~ee~~<br>~~een~~|250V<br>~~ee~~<br>~~een~~|35A<br>~~ee~~<br>~~nn~~|10,000A<br>~~ee~~<br>~~a~~|22.30<br>~~ee~~<br>~~SE~~|0.0010<br>~~ee~~<br>~~SE~~|2230<br>~~ee~~|
|**C520-125mA**<br>~~ee~~<br>~~een~~|250V<br>~~ee~~<br>~~een~~|35A<br>~~ee~~<br>~~nn~~|10,000A<br>~~ee~~<br>~~a~~|15.20<br>~~ee~~<br>~~SE~~|0.0019<br>~~ee~~<br>~~SE~~|1930<br>~~ee~~|
|**C520-250mA**<br>~~ee~~<br>~~een~~<br>~~a~~|250V<br>~~ee~~<br>~~een~~<br>~~a~~|35A<br>~~ee~~<br>~~nn~~<br>~~a~~|10,000A<br>~~ee~~<br>~~a~~<br>~~a~~|5.60<br>~~ee~~<br>~~SE~~<br>~~a~~|0.012<br>~~ee~~<br>~~SE~~<br>~~a~~|1450<br>~~ee~~<br>~~a~~|
|**C520-375mA**<br>~~een~~<br>~~a~~<br>~~IY~~|250V<br>~~een ~~<br>~~a~~<br>~~IY~~|35A<br> ~~nn ~~<br>~~a~~<br>~~IY~~|10,000A<br> ~~a~~<br>~~a~~<br>~~IY~~|2.53<br>~~SE~~<br>~~a~~<br>~~IY~~|0.039<br>~~SE~~<br>~~a~~<br>~~IY~~|968<br>~~a~~<br>~~IY~~|
|**C520-500mA**<br>~~IY~~<br>~~a~~<br>~~eee~~|250V<br>~~IY~~<br>~~a~~<br>~~eee~~|35A<br>~~IY~~<br>~~a~~<br>~~eee~~|10,000A<br>~~IY~~<br>~~a~~<br>~~eee~~|1.66<br>~~IY~~<br>~~a~~<br>~~eee~~|0.059<br>~~IY~~<br>~~a~~<br>~~eee~~|845<br>~~IY~~<br>~~a~~<br>~~eee~~|
|**C520-750mA**<br>~~a~~<br>~~eee~~<br>~~eee~~|250V<br>~~a~~<br>~~eee~~<br>~~eee~~|35A<br>~~a~~<br>~~eee~~<br>~~eee~~|10,000A<br>~~a~~<br>~~eee~~<br>~~eee~~|0.91<br>~~a~~<br>~~eee~~<br>~~eee~~|0.264<br>~~a~~<br>~~eee~~<br>~~eee~~|686<br>~~a~~<br>~~eee~~<br>~~eee~~|
|**C520-1.5A**<br>~~eee~~<br>~~eee~~<br>~~eee~~|250V<br>~~eee~~<br>~~eee~~<br>~~eee~~|100A<br>~~eee~~<br>~~eee~~<br>~~eee~~|10,000A<br>~~eee~~<br>~~eee~~<br>~~eee~~|0.900<br>~~eee~~<br>~~eee~~<br>~~eee~~|0.800<br>~~eee~~<br>~~eee~~<br>~~eee~~|135<br>~~eee~~<br>~~eee~~<br>~~eee~~|
|**C520-2A**<br>~~eee~~<br>~~eee~~<br>~~eee~~<br>~~ee~~|250V<br>~~eee~~<br>~~eee~~<br>~~eee~~<br>~~ee~~|100A<br>~~eee~~<br>~~eee~~<br>~~eee~~<br>~~ee~~|10,000A<br>~~eee~~<br>~~eee~~<br>~~eee~~|0.064<br>~~eee~~<br>~~eee~~<br>~~eee~~<br>~~eee~~|1.9<br>~~eee~~<br>~~eee~~<br>~~eee~~<br>~~eee~~|136<br>~~eee~~<br>~~eee~~<br>~~eee~~<br>~~eee~~|
|**C520-2.5A**<br>~~eee~~<br>~~eee~~<br>~~ee~~<br>~~ee~~|250V<br>~~eee~~<br>~~eee~~<br>~~ee~~<br>~~ee~~|100A<br>~~eee~~<br>~~eee~~<br>~~ee~~<br>~~ee~~|10,000A<br>~~eee~~<br>~~eee~~<br>~~ee~~|0.046<br>~~eee~~<br>~~eee~~<br>~~eee~~<br>~~ee~~|2.9<br>~~eee~~<br>~~eee~~<br>~~eee~~<br>~~ee~~|121<br>~~eee~~<br>~~eee~~<br>~~eee~~<br>~~ee~~|
|**C520-3A**<br>~~eee~~<br>~~ee~~<br>~~ee~~<br>~~eee~~|250V<br>~~eee~~<br>~~ee~~<br>~~ee~~<br>~~eee~~|100A<br>~~eee~~<br>~~ee~~<br>~~ee~~<br>~~eee eee~~|10,000A<br>~~eee~~<br>~~ee~~<br>~~eee~~|0.038<br>~~eee~~<br>~~eee~~<br>~~ee~~<br>~~eee~~|6.1<br>~~eee~~<br>~~eee~~<br>~~ee~~<br>~~eee~~|116<br>~~eee~~<br>~~eee~~<br>~~ee~~<br>~~eee~~|
|**C520-3.5A**<br>~~ee~~<br>~~ee~~<br>~~eee~~<br>~~————————————————————~~|250V<br>~~ee~~<br>~~ee~~<br>~~eee~~<br>~~————————————————————~~|100A<br>~~ee~~<br>~~ee~~<br>~~eee eee~~<br>~~————————————————————~~|10,000A<br>~~ee~~<br>~~eee~~<br>~~————————————————————~~|0.032<br>~~eee~~<br>~~ee~~<br>~~eee~~<br>~~————————————————————~~|9.7<br>~~eee~~<br>~~ee~~<br>~~eee~~<br>~~————————————————————~~|115<br>~~eee~~<br>~~ee~~<br>~~eee~~<br>~~————————————————————~~|
|**C520-4A**<br>~~ee~~<br>~~eee~~<br>~~————————————————————~~|250V<br>~~ee~~<br>~~eee~~<br>~~————————————————————~~<br>~~a~~|200A<br>~~ee~~<br>~~eee eee~~<br>~~————————————————————~~<br>~~a~~|10,000A<br>~~ee~~<br>~~eee~~<br>~~————————————————————~~|0.022<br>~~ee~~<br>~~eee~~<br>~~————————————————————~~|16.6<br>~~ee~~<br>~~eee~~<br>~~————————————————————~~|88<br>~~ee~~<br>~~eee~~<br>~~————————————————————~~|
|**C520-5A**<br>~~eee~~<br>~~————————————————————~~|250V<br>~~eee~~<br>~~————————————————————~~<br>~~a~~|200A<br>~~eee eee~~<br>~~————————————————————~~<br>~~a~~|10,000A<br>~~eee~~<br>~~————————————————————~~|0.018<br>~~eee~~<br>~~————————————————————~~|22.4<br>~~eee~~<br>~~————————————————————~~|91<br>~~eee~~<br>~~————————————————————~~|



- 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) 

**5mm x 15mm Fuses** 

## **C520 Series, Fast Acting, Glass Tube** 

## **TIME CURRENT CURVE** 

||**PACKAGING CODE**|
|---|---|
|**Packaging Code**|**Description**|
|**BK**|100 pieces of fuses packed into a cardboard carton|
|**BK1**|1,000 pieces of fuses packed into a cardboard carton|
|||
||**OPTION CODE**|
|**Option Code**|**Description**|
|**S**|Insulation Sleeve|
|**-R**|RoHS compliant version|



> Visit us on the web at: **North America Europe Asia Pacific** 

> **www.cooperbussmann.com** Cooper Electronic Technologies Cooper Bussmann Cooper Electronic Technologies Cooper Electronic Technologies Cooper Electronic Technologies 1225 Broken Sound Parkway NW P.O. Box 14460 Cooper (UK) Limited Avda. Santa Eulalia, 290 1 Jalan Kilang Timor 

> OC-2556   3/07 Suite F St. Louis, MO 63178-4460 Burton-on-the-Wolds 08223 #06-01 Pacific Tech Centre Boca Raton, FL 33487-3533 Tel: 1-636-394-2877 Leicestershire • LE12 5TH UK Terrassa, (Barcelona), Spain Singapore 159303 

> © Cooper Electronic Tel: 1-561-998-4100 Fax: 1-800-544-2570 Tel: +44 (0) 1509 882 737 Tel: +34 937 362 812 Tel: +65 278 6151 

> Technologies 2007 Fax: 1-561-241-6640 Fax: +44 (0) 1509 882 786 +34 937 362 813 Fax: +65 270 4160 Toll Free: 1-888-414-2645 Fax: +34 937 362 719

Updated at April 27, 2026

About Novapart

Novapart is a B2B electronic component broker specialising in stock shortages and cost reduction. We source hard-to-find parts and identify compliant alternatives across a catalogue of 410,000+ components from 500+ manufacturers.

Learn more →

Stock Shortage Specialist

When a component is unavailable, discontinued or has an unacceptable lead time, we tap into our network of vetted European and Asian distributors to source what you need — without compromising on quality or traceability.

Request a quote →

Compliant Alternatives

We identify pin-to-pin, electrically equivalent substitutes that meet the same certifications (RoHS, AEC-Q100, REACH) as your original specification — validated against datasheets, not just part numbers. Often at a lower cost.

BOM Analysis service →