Technical Data 2026

Effective May 2017

Supersedes September 2009

Product features

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

C518

5 mm x 15 mm Fast-acting glass tube fuses

•

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

2 seconds max.

Electrical Characteristics

Rated Current

Amp Rating

Opening Time

100%

None

100mA-5A

135%

60 minutes max.

200%

2 seconds max.

Specications

Interrupting Rating

Voltage

Typical DC Cold

Typical

Max

Part Number

Rating

at Rated Voltage (amps)

Resistance*

Voltage

Vac

250Vac

125Vac

AC

Drop (mV)***

C518-100-R

250

35

10,000

22.30

0.0010

2230

C518-125-R

250

35

10,000

15.20

0.0019

1930

C518-250-R

250

35

10,000

5.66

0.012

1450

C518-375-R

250

35

10,000

2.53

0.039

968

C518-500-R

250

35

10,000

1.66

0.059

845

C518-750-R

250

35

10,000

0.91

0.264

686

C518-1.5-R

250

100

10,000

0.900

0.800

135

C518-2-R

250

100

10,000

0.064

1.9

136

C518-2.5-R

250

100

10,000

0.046

2.9

121

C518-3-R

250

100

10,000

0.038

6.1

116

C518-3.5-R

250

100

10,000

0.032

9.7

115

C518-4-R

250

200

10,000

0.022

16.6

88

C518-5-R

250

200

10,000

0.018

22.4

91

* DC Cold Resistance (Measured at <10% of rated current)

***Typical Voltage Drop (Voltage drop was measured at 20°C ambient temperature at rated current)

(Ω)