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© 2017 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 03/03/17
Cartridge Fuse Blocks
RoHS
Pb
Compatible Fuse
Sizes
5×20mm Fuses
Description
The metric Omni-Blok
®
fuse block, for
5×20mm size fuses, is a low profile
design that is available with a choice
of solder type terminals, NEMA style
QC terminals, or PC board mountable
terminals. Each of these designs has tin
plated brass terminals. A unique design
feature provides self-alignment of the
clips to the fuse caps. This feature, plus
a one-piece clip/terminal design, assures
low contact resistance. An anti-one-
piece clip/terminal design, assures low
contact resistance. An anti rotation
feature is also available on the solder
and QC terminal designs.
Electrical
UL/CSA VDE
Solder Type — 10A, 600V., 6.3A, 250V
Q.C. Type — 10A, 600V. 6.3A, 250V
PCB Type — 10A, 600V. 6.3A, 250V
Dielectric Strength 1500V., Minimum
Clip/Terminals Tin-Plated Spring Brass
Base
Glass reinforced Thermoplastic. UL 94V0
flammability rating. Gray color (GY) for
anti-rotational series, black color for all
others.
Ambient
Temperature
–40ºC to +85ºC
Product Characteristics
520 Series Metric OMNI-BLOK
®
Molded Base Fuse Block for 5×20mm Fuses
Agency Approval
Agency Agency File Number
E14721
7316
97121
Application testing is strongly recommended.
Additional Information
Datasheet
Samples
Resources