BK/C520-250MA

**Bussmann[®]** 

**C520** 

**Fast-Acting 5mm x 15mm Glass Fuses** 

## **Dimensional Data** 

15.0[±] 0.5mm 5.2 ±  0.3mm 5.0mm (Typ.) **C520 Fast-Acting Fuses.** • Sealed fuses for board washing applications. **Markings:** Manufacturer’s Symbol, **Limits for Pre-arcing Time/UL Listed Fuses. Dimensions are in** Product Symbol, Voltage, Ampere, **135% 100% 200% Millimeters (mm)** Testing Agency Mark (Optional) **Amp Rating MAX MIN MAX** 100mA - 7A 1 hr. 4 hr. 2 sec. **Time-Current Characteristic Curves–Average Melt (Full Size Curves Available) Agency File Numbers:** UL Listing. File E75865, Guide # JDYX. CSA Certification. File LR65063, AMPERE RATING Class 1422-01. 100 **Product Symbol:** C520 **Physical Fuse Size:** 5 x 15mm **Mechanical Characteristics:** 10 **Materials:** Endcaps are silver-plated brass; leads are tin-plated copper and tube is glass. Optional sleeve is flexible fluoropolymer (UL Flammability rating VW-1). The tube will self extinguish within one minute. 25% maximum flag burn per ASTM Flammability Test ASTM 1 D2671 Procedure C. **Packaging & Ordering Information: C520** .1 **Product Ampere Symbol Rating Blank** - Standard 100mA **S -** Transparent 125mA sleeve for 250mA **Package Code** sealed fuses. 375mA **BK/** Bulk Package (100 pcs) 500mA .01 750mA 2A 2.5A CURRENT IN AMPERES 3A 3.5A 4A 5A CE logo denotes compliance with European Union Low Voltage Directive (50-1000V AC, 75-1500V DC). Refer to BIF document #8002 or contact Bussmann Application Engineering at 314-527-1270 for more information. ~~voll~~ Form No. C520 12-17-98 Page 1 of 2 SB98107 Rev. A BIF Doc #2027 

**Bussmann[®]** 

**C520** 

**Fast-Acting** 

## **5mm x 15mm Glass Fuses** 

## **Electrical Characteristics:** 

|**Current**<br>**Rating**|**Rated**<br>**Voltage**<br>**(V AC)**|**AIR**|**Voltage Drop**<br>**(mV) max (at 100%**<br>**Rated Current.)**|**Pre-arcing**<br>**Value**<br>**(I2t) (A2s) Typ.**|**U.L.**|**CSA**|
|---|---|---|---|---|---|---|
|100mA<br>125mA<br>250mA<br>375mA<br>500mA<br>750mA<br>2A<br>2.5A<br>3A<br>3.5A<br>4A<br>5A|250V|35A/250V AC<br>10kA/125V AC<br>p.f. = 0.7 - 0.8|149<br>137<br>135<br>122|1.56<br>2.93<br>4.75<br>7.5|•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•|•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•<br>•|
|||100A/250V AC<br>10kA/125V AC<br>p.f. = 0.7 - 0.8|||||
|||200A/250V 10kA/125V AC<br>p.f. =.7 - .8|||||



The only controlled copy of this BIF document is the electronic read-only version located on the Bussmann Network Drive. All other copies of this BIF 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. Bussmann reserves the right, without notice, to change design or construction of any products and to discontinue or limit distribution of any products. 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. 

Form No. C520 Page 2 of 2 BIF Doc #2027 

12-17-98 SB98107 

Rev. A