Axial Lead & Cartridge Fuses
MICRO™ > Very Fast-Acting Fuse > 262/268/269 Series
262/268/269 Series, MICRO™ Very Fast-Acting Fuse (High-Reliability)
QPL
Description
The 262/268/269 Series are high–reliability MICROTM
fuses, with a 125V rating, very fast-acting type with
high breaking capacity. The 269 series is listed under the
Department of Defense Quality Product List.
Features
• Military grade available
• Recognized to UL/CSA/
NMX 248-1 and UL/CSA/
NMX 248-14
• Available from very low
ampere of 0.002A to 5A
• Available in plug-in and
radial leaded
Applications
Agency Approvals
Protection of electrical, electronic, and communication
equipment having printed circuit boards (PCBs) usable
in direct current (DC) and alternating current (AC) (up
to 400 hertz (Hz)) circuits capable of withstanding and
functioning in extreme conditions found in Spacecraft or
Military applications as described in MIL-PRF-23419.
Agency File
Number
Agency
Ampere Range
0.002A - 5A
0.002A - 5A
0.002A - 5A
Series
262 & 268
262 & 268
269
E10480
29862
FM07A
QPL
Electrical Characteristics
% of Ampere Rating
Ampere Rating
OpeningTime
100%
0.002 – 15
0.002 – 0.3
0.4 - 5
4 Hours, Min.
5 Seconds, Max.
2 Seconds, Max.
200%
Electrical Characteristics
Agency Approvals
Ampere
Rating
(A)
Max
Voltage
Rating (V)
Interrupting
Rating
Nominal Cold
Resistance (Ohms)
Amp Code
QPL
0.002
0.005
0.010
0.015
0.031
0.050
0.062
0.100
0.125
0.200
0.250
0.300
0.400
0.500
0.600
0.700
0.750
0.800
1.00
0.002
0.005
0.010
0.015
0.031
0.050
0.062
0.100
0.125
0.200
0.250
0.300
0.400
0.500
0.600
0.700
0.750
0.800
001.0
01.5
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
2000
280
94.0
44.0
16.45
3.20
2.25
1.17
1.0
2.30
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
1.75
1.25
10,000A@125VAC/VDC
0.227
0.167
0.140
0.114
0.104
0.094
0.100
0.063
0.046
0.034
0.019
0.018
01.5
2.00
3.00
4.00
002.0
003.0
004.0
005.0
5.00
Please contact Littelfuse for Average Time Current Curve.
© 2019 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 11/14/19