Technical Data 2007
Effective May 2017
Supersedes September 2009
Product features
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)
Ordering
•Specify product code
•Insert packaging code prefix before part number.
E.g. BK(BK1)/C519-2-R
C519
5 mm x 15 mm Time-delay glass tube fuses
•Time-delay
•5 x 15mm physical size
•Nickel-plated brass endcap construction
•UL Listed product meets standard UL 248-14
Electrical Characteristics
Rated Current Amp Rating Opening Time
135% 60 minutes max.
125mA - 250mA 200% 3 seconds min.
120 seconds max.
100% 4 hours min.
470mA 30 minutes max.
350mA 600mA 90 seconds max.
2A 2 seconds max.
6A 500 milliseconds max.
135% 60 minutes max.
375mA - 5A 200% 3 seconds min.
120 seconds max.
Specications
Interrupting RatingVoltage Typical DC Cold Typical Max.
Part Number Rating at Rated Voltage (amps) Resistance* Melting I
2
t** Voltage
Vac 600Vac 250Vac 125Vac DC Drop (mV)***
C519-125-R 250 - 35 10,000 4.72 0.101 770
C519-250-R 250 - 35 10,000 1.32 0.467 430
C519-350-R 250 25 35 10,000 1.04 1.169 530
C519-375-R 250 - 35 10,000 0.81 1.531 470
C519-500-R 250 - 35 10,000 0.54 2.280 440
C519-600-R 250 - 35 10,000 0.38 6.982 350
C519-750-R 250 - 35 10,000 0.26 9.162 310
C519-1-R 250 - 35 10,000 0.14 14.289 230
C519-1.25-R 250 - 100 10,000 0.13 22.961 220
C519-1.5-R 250 - 100 10,000 0.10 31.989 240
C519-1.6-R 250 - 100 10,000 0.09 31.156 200
C519-2-R 250 - 100 10,000 0.059 60.256 170
C519-2.25-R 250 - 100 10,000 0.057 97.724 180
C519-2.5-R 250 - 100 10,000 0.046 78.163 190
C519-3-R 250 - 100 10,000 0.035 80.426 150
C519-3.5-R 125 - - 400 0.028 149.279 130
C519-4-R 125 - - 400 0.023 233.346 130
C519-5-R 125 - - 400 0.019 354.813 150
* DC Cold Resistance (Measured at <10% of rated current)
** Typical Melting I
2
t (A
2
Sec) (Typical 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)
(Ω)
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. 2007 BU-SB09719
May 2017
Eaton is a registered trademark.
All other trademarks are property
of their respective owners.
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.
C519
5 mm x 15 mm Time-delay glass tube fuses
Technical Data 2007
Effective May 2017
5.0 (Typ.)
14.5 ± 0.5 5.2 ± 0.3
Dimensions - mm
Drawing Not to Scale
Packaging Code
Packaging Code PrexDescription
BK 100 fuses packed into a cardboard carton
BK11,000 fuses packed into a cardboard carton
Mouser Electronics
Authorized Distributor
Click to View Pricing, Inventory, Delivery & Lifecycle Information:
Eaton:
BK/C519-1A BK/C519-7A BK/C519-500MA BK/C519-600MA BK/C519-3A BK/C519-3.5A BK/C519-5A BK/C519-
250MA BK/C519-375MA BK/C519-500-R BK/C519-600-R BK/C519-7-R BK/C519-750-R BK/C519-4-R BK/C519-
375-R BK/C519-2-R BK/C519-1-R BK/C519-1.25-R BK/C519-1.5-R BK/C519-125-R BK/C519-2.25-R BK/C519-2.5-
R BK/C519-250-R BK/C519-3-R BK/C519-3.5-R BK/C519-350-R BK/C519-1.6-R BK/C519-1.25A BK/C519-2.5A
BK1-C519-2-5-R BK1-C519-3-R BK/C519-1.5A BK/C519-4A BK/C519-1.6A BK/C519-2.25A BK/C519-2A BK/C519-
125MA BK/C519-750MA BK1/C519-3-R BK1/C519-2.5-R
