High-Reliability Subminiature
Axial Lead and Cartridge Fuses
MICRO
TM
FUSE
Very Fast-Acting Type 262/268/269 Series
285
w w w . l i t t e l f u s e . c o m
8
AXIAL LEAD AND
CAR
TRIDGE FUSES
ELECTRICAL CHARACTERISTICS:
% of Ampere
Ampere
Opening
Rating
Rating
Time
100%
1/500 5
4 hours, Minimum
200%
1/500 3/10
5 seconds, Maximum
4/10 5
2 seconds, Maximum
AGENCY APPROVALS:
Recognized under the Components Program
of Underwriters Laboratories and Certified by CSA.
FUSES TO MIL SPEC:
262 Series is available in FM07A on QPL for
MIL-PRF-23419/7. To order, change 262 to 269.
INTERRUPTING RATING:
10,000 amperes at 125 VAC/VDC
ENVIRONMENTAL SPECIFICATIONS:
Operating Temperature:
55C to 125C.
Shock:
(1/500): MIL-STD-202, Method 213, Test Condition A
(50 G's peak for 11 milliseconds).
(1/2005): MIL-STD-202, Method 213,
Test Condition I (100 G's peak for 6 milliseconds).
Vibration:
MIL-STD-202, Method 201 (1055 Hz); MIL-STD-202,
Method 204, Test Condition C (552000 Hz at 10 G's Peak).
Salt Spray:
MIL-STD-202, Method 101, Test Condition B.
Seal Test:
MIL-STD-202, Method 112, Test Condition A
Insulation Resistance (After Opening):
MIL-STD-202, Method
302, Test Condition A (1/2 Megohm minimum).
Thermal Shock:
MIL-STD-202, Method 107,
Test Condition B (65C to 125C).
Moisture Resistance:
MIL-STD-202, Method 106.
PHYSICAL SPECIFICATIONS:
Materials:
Gold-Plated Copper Leads, Type II
(Fuse cap is also Gold-Plated).
Weight:
262 and 269 Series .36 Grams;
268 Series .48 Grams.
Lead Pull Force:
MIL-STD-202, Method 211,
Test Condition A (will withstand a 5 lb. axial pull test).
AQL (Electrical Characteristics):
Certified to 1% AQL.
Sampling:
Per MIL-STD-105, Inspection Level II.
Traceability and Identification Records:
Controlled by lot
number and retained on file for a minimum of three years. Copies of Lot
Certification Test data available when requested with order.
OPTIONS:
Special screening tests, burn-in, etc. can be supplied on
special order to meet specific requirements.
PATENTED
Plug-In
Radial Lead
Nominal
Catalog
Catalog
Ampere
Voltage
Resistance
Number
Number
Rating
Rating
Cold Ohms
262.002
268.002
1/500
125
2000
262.005
268.005
1/200
125
280
262.010
268.010
1/100
125
94.0
262.015
268.015
1/64
125
44.0
262.031
268.031
1/32
125
16.45
262.050
268.050
1/20
125
3.20
262.062
268.062
1/16
125
2.25
262.100
268.100
1/10
125
1.17
262.125
268.125
1/8
125
1.0
262.200
268.200
2/10
125
2.30
262.250
268.250
1/4
125
1.75
262.300
268.300
3/10
125
1.25
262.400
268.400
4/10
125
0.227
262.500
268.500
1/2
125
0.167
262.600
268.600
6/10
125
0.140
262.700
268.700
7/10
125
0.114
262.750
268.750
3/4
125
0.104
262.800
268.800
8/10
125
0.094
262 001
268 001
1
125
0.100
262 01.5
268 01.5
1
1
/
2
125
0.063
262 002
268 002
2
125
0.046
262 003
268 003
3
125 0.034
262 004
268 004
4
125
0.019
262 005
268 005
5
125
0.018
ORDERING INFORMATION:
Please contact Littelfuse for Average Time Current Curve.
QPL
7.37
(.29")
4.32
(.17")
2.54 (.10")
5.97
(.235")
7.37
(.29")
25.4
(1.0")
2.54
(.10")
262 000 Series
268 000 Series
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