Axial Lead and Cartridge Fuses
High-Reliability Subminiature
MICRO™ FUSE Very Fast-Acting Type 262/268/269 Series
®
QPL
®
ELECTRICAL CHARACTERISTICS:
% of Ampere
Rating
Ampere
Rating
Opening
Time
100%
1/500–5
1/500–3/10
4/10–5
4 hours, Minimum
5 seconds, Maximum
2 seconds, Maximum
200%
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.
262 000 Series
268 000 Series
INTERRUPTING RATING: 10,000 amperes at 125 VAC/VDC
4.32
5.97
(.235")
7.37
7.37
(.29")
(.17")
(.29")
25.4
ENVIRONMENTAL SPECIFICATIONS:
(1.0")
Operating Temperature: –55°C to 125°C.
2.54
(.10")
Shock: (1/500): MIL-STD-202, Method 213, Test Condition A
(50 G’s peak for 11 milliseconds).
2.54 (.10")
(1/200–5): MIL-STD-202, Method 213,
ORDERING INFORMATION:
Test Condition I (100 G’s peak for 6 milliseconds).
Vibration: MIL-STD-202, Method 201 (10–55 Hz); MIL-STD-202,
Method 204, Test Condition C (55–2000 Hz at 10 G’s Peak).
Plug-In
Catalog
Number
262.002
262.005
262.010
262.015
262.031
262.050
262.062
262.100
262.125
262.200
Radial Lead
Catalog
Nominal
Resistance
Cold Ohms
2000
280
Ampere Voltage
Number
Rating
Rating
Salt Spray: MIL-STD-202, Method 101, Test Condition B.
Seal Test: MIL-STD-202, Method 112, Test Condition A
268.002
268.005
268.010
268.015
268.031
268.050
268.062
268.100
268.125
268.200
1/500
1/200
1/100
1/64
125
125
125
125
125
94.0
44.0
16.45
3.20
2.25
1.17
1.0
Insulation Resistance (After Opening): MIL-STD-202, Method
302, Test Condition A (1/2 Megohm minimum).
1/32
Thermal Shock: MIL-STD-202, Method 107,
Test Condition B (–65°C to 125°C).
1/20
1/16
1/10
1/8
125
125
125
125
125
Moisture Resistance: MIL-STD-202, Method 106.
PHYSICAL SPECIFICATIONS:
2/10
2.30
Materials: Gold-Plated Copper Leads, Type II
262.250
262.300
262.400
262.500
262.600
268.250
268.300
268.400
268.500
268.600
1/4
3/10
4/10
1/2
125
125
125
125
125
1.75
1.25
0.227
0.167
0.140
(Fuse cap is also Gold-Plated).
Weight: 262 and 269 Series .36 Grams;
268 Series .48 Grams.
6/10
Lead Pull Force: MIL-STD-202, Method 211,
262.700
262.750
262.800
262 001
262 01.5
268.700
268.750
268.800
268 001
268 01.5
7/10
3/4
8/10
125
125
125
125
125
0.114
0.104
0.094
0.100
0.063
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.
1
1 /
1
2
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.
262 002
262 003
262 004
262 005
268 002
268 003
268 004
268 005
2
3
4
5
125
125
125
125
0.046
0.034
0.019
0.018
OPTIONS: Special screening tests, burn-in, etc. can be supplied on
special order to meet specific requirements.
Please contact Littelfuse for Average Time Current Curve.
11
PATENTED
391
www. littelfuse. com