Littelfuse 253 Series PICO II User Manual
Axial lead & cartridge fuses, Ii, very fast-acting fuse, Pico
© 2014 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 02/25/14
Axial Lead & Cartridge Fuses
PICO
®
ll > Very Fast-Acting > 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
Ampere Range
E10480
62mA - 15A
LR 29862
62mA - 15A
PS
E
JET1896-31007-1004
1A - 5A
TUV
J50158379
500mA - 10A
QPL
FM10
62mA - 15A
2009010207366577 –
500mA to 5A
500mA, 1A, 2A, 2.5A,
3A, 4A, 5A
Features
Electrical Characteristics for Series
% of Ampere
Rating
Ampere Rating
Opening Time
100%
62mA - 15A
4 Hours, Min.
200%
62mA - 7A
1 Second, Max.
10A
3 Seconds, Max.
12 - 15A
10 Seconds, Max.
275%
500mA, 1A, 2A,
2.5A, 3A, 4A, 5A,
7A, 10A
300 msecs., Max.
400%
500mA, 1A, 2A,
2.5A, 3A, 4A, 5A,
7A, 10A
30 msecs., Max.
1000%
500mA, 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
TUV
QPL
• Very fast-acting
• Small size
• Wide current rating range
(62mA- 15A)
• Halogen-free available
• Wide operating
temperature range
• Low temperature rerating
Additional Information
253 Series
253 Series
251 Series
253 Series