High-Reliability Subminiature
Axial Lead and Cartridge Fuses
MICRO
™
FUSE Very Fast-Acting Type 262/268/269 Series
285
www.littelfuse.com
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: –55°C to 125°C.
Shock: (1/500): MIL-STD-202, Method 213, Test Condition A
(50 G’s peak for 11 milliseconds).
(1/200–5): MIL-STD-202, Method 213,
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).
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 (–65°C to 125°C).
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