Description
• Time-delay
• 5 x 15mm physical size
• Nickel-plated brass endcap construction
• UL Listed product meets standard UL 248-14

Construction: Glass Tube

Electrical Characteristics

Rated Current	Amp Rating	Opening Time
125mA - 250mA	135%	60 minutes max.
	200%	3 seconds min.
		120 seconds max.
350mA	100%	4 hours min.
	470mA	30 minutes max.
	600mA	90 seconds max.
	2A	2 seconds max.
	6A	500 milliseconds max.
375mA - 5A	135%	60 minutes max.
	200%	3 seconds min.
		120 seconds max.

Agency Information
• UL Listed Card: C519 125mA-250mA and 375mA-3A (Guide JDYX, File E19180)
• UL Recognized Card: C519 350mA, and 3.5A-7A (Guide JDYX2, File E19180)
• CSA Certification Card: C519 125mA-250mA and 375mA-3A (Class 1422-01, File 53787)
Typical Applications:
Electronic Circuits;
Printed Circuit Boards

Features:
Time-delay for closer sizing on inductive circuits

Dimensions - mm
Drawing Not to Scale


Ordering
Specify product code
• Insert packaging code prefix before part number. E.g. BK(BK1)/C519-2-R

Specifications

Part Number	Voltage Rating Vac	Interrupting Rating at Rated Voltage (amps)			Typical DC Cold Resistance* (Ω)	Typical Melting I2t** DC	Max. Voltage Drop (mV)***
		600Vac	250Vac	125Vac
C519-125-R	250	-	35	10,000	4.72	0.101	770
C519-250-R					1.32	0.467	430
C519-350-R		25			1.04	1.169	530
C519-375-R		-			0.81	1.531	470
C519-500-R					0.54	2.28	440
C519-600-R					0.38	6.982	350
C519-750-R					0.26	9.162	310
C519-1-R					0.14	14.289	230
C519-1.25-R			100		0.13	22.961	220
C519-1.5-R					0.1	31.989	240
C519-1.6-R					0.09	31.156	200
C519-2-R					0.059	60.256	170
C519-2.25-R					0.057	97.724	180
C519-2.5-R					0.046	78.163	190
C519-3-R					0.035	80.426	150
C519-3.5-R	125		-	400	0.028	149.279	130
C519-4-R					0.023	233.346	130
C519-5-R					0.019	354.813	150

* DC Cold Resistance (Measured at <10% of rated current)
** Typical Melting I2t (A2Sec) (Typical I2t at 10 times rated current)
***Typical Voltage Drop (Voltage drop was measured at 25°C±3°C ambient temperature at rated current)

Time-Current Curve



Packaging Code

Packaging Code Prefix	Description
BK	100 fuses packed into a cardboard carton
BK1	1,000 fuses packed into a cardboard carton