Radial Lead Fuses
MICRO™ > Very Fast-Acting > 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 micro
fuses, with a 125V rating, very fast-acting type with
high breaking capacity. This series is listed under the
Department of Defense Quality Product List.
Features
radial leaded
ampere of 2mA to 5A
Applications
Agency Approvals
Agency
Agency File Number
Ampere Range
E10480
LR 29862
2mA - 5A
2mA - 5A
2mA - 5A
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.
Electrical Characteristics
% of Ampere
Rating
100%
200%
Ampere Rating
1/500–15
1/500–3/10
4/10-5
Opening Time
4 Hours,
Min.
5 Seconds,
Max.
2 Seconds,
Max.
QPL
FM07A
Electrical Characteristics
Ampere
Rating
(A)
.002
.005
.010
.015
.031
.050
.062
.100
.125
.200
.250
.300
.400
.500
.600
.700
.750
.800
1.00
01.5
2.00
3.00
4.00
5.00
Max
Voltage
Rating
(V)
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
Interrupting
Rating
Nominal Cold
Resistance
(Ohms)
2000
280
94.0
44.0
16.45
3.20
2.25
1.17
1.0
2.30
1.75
1.25
0.227
0.167
0.140
0.114
0.104
0.094
0.100
0.063
0.046
0.034
0.019
0.018
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Agency Approvals
Amp Code
.002
.005
.010
.015
.031
.050
.062
.100
.125
.200
.250
.300
.400
.500
.600
.700
.750
.800
001.
01.5
002.
003.
004.
005.
QPL
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
10,000 amperes at
125 VAC/VDC
Please contact Littelfuse for Average Time Current Curve.
© 2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/262.html,
/268.html or /269.html for current information.
262/268/269 Series
127
Revised: January 7, 2009
262/268/269
LITTELFUSE [ LITTELFUSE ]
