Radial lead fuses – Littelfuse 269 Series MICRO User Manual
Page 3
© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/19/13
Radial Lead Fuses
MICRO™ > Very Fast-Acting > 262/268/269 Series
Product Characteristics
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
Product Marking
262 / 268 Series: Brand logo, current
and voltage ratings
269 Series: Brand logo, current and
voltage ratings and agency approval
mark
Operating Temperature
–55ºC to +125ºC
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 (–65ºC to 125ºC)
Moisture Resistance
MIL-STD-202, Method 106
Fuses to MIL SPEC
262 Series is available in FM07A on
QPL for MIL-PRF-23419/7. To order,
change 262 to 269
Dimensions
Packaging
Part Numbering System
packaging Option
packaging Specification
Quantity
Quantity &
packaging Code
Bulk
N / A
5
V
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
0262 xxxx V
Packaging Code
Amp. Code
Series
Refer to Amp Code column of
Electrical Characteristics Table
V = 5