© 2016 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 10/10/16
Axial Lead & Cartridge Fuses
PICO
®
ll > Very Fast-Acting Fuse > 251/253 Series
251/253 Series, PICO
®
II Very Fast-Acting Fuse
Description
The PICO
®
II Very Fast-Acting Fuse is designed to meet an
extensive array of performance characteristics in a
space-saving subminiature package.
Agency Approvals
Agency
Agency File
Number
253 Series
Agency File Number
251 Series
Ampere Range
N/A E10480 0.062A - 15A
N/A
29862 0.062A - 15A
PS
E
N/A
PSE_NBK200416-
JP1021
1A - 5A
N/A
J50158379 0.500A - 10A
FM10
N/A 0.062A - 15A
N/A
2009010207366577
0.500A, 1A, 2A,
2.5A, 3A, 4A, 5A
Features
Electrical Characteristics for Series
% of Ampere
Rating
Ampere Rating Opening Time
100% 0.062A - 15A 4 Hours, Min.
200%
0.062A - 7A 1 Second, Max.
10A 3 Seconds, Max.
12 - 15A 10 Seconds, Max.
275%
0.500A, 1A, 2A,
2.5A, 3A, 4A, 5A,
7A, 10A
300 msecs., Max.
400%
0.05A, 1A, 2A,
2.5A, 3A, 4A, 5A,
7A, 10A
30 msecs., Max.
1000%
0.500A, 1A, 2A,
2.5A, 3A, 4A, 5A,
7A, 10A
4 msecs., Max.
Applications
PS
E
• Flat–panel display TV
• LCD monitor
• LCD backlight inverter
• Office machines
• Power supply
• Audio/Video system
• Lighting system
• Medical equipment
Secondary protection for space constrained applications
• Very fast-acting
• Small size
• Wide current rating range
(0.062A- 15A)
• Halogen-free available
• Wide operating
temperature range
• Low temperature re-rating
Application testing is strongly recommended.
Additional Information
Datasheet
Samples
Resources
Datasheet
Samples
Resources
251 Series
253 Series
251 Series
253 Series
251 Series
253 Series
