0429007.WRM Datasheet, PDF (3/3 Pages) Littelfuse – Surface Mount Fuses Thin Film > 1206 Size > Very Fast-Acting > 429 Series

Surface Mount Fuses
Thin Film > 1206 Size > Very Fast-Acting > 429 Series
Product Characteristics
Materials
Body: Epoxy Substrate
Terminations, RoHS Compliant Device (429L):
100% Tin over Nickel over Copper
Element Cover Coat: Conformal Coating
NOTE: Do not use alcohol-based cleaners or
solvents with 429 Series Thin-Film Fuses as it
may damage the coating.
Operating
Temperature
– 55^OC to 90^OC.
Consult temperature rerating chart.
For operation above 90°C contact Littelfuse.
Thermal Shock Withstands 5 cycles of – 55^OC to 125^OC
Humidity
Vibration
Insulation Resistance
(After Opening)
Resistance to
Soldering Heat
MIL-STD-202F, Method 103B
Condition D
Withstands 10 – 55 Hz per MIL-STD-
202F, Method 201A and 10-2000 Hz
at 20 G’s per MIL-STD-202F, Method
204D, Condition D.
Greater than 10,000 ohms
MIL-STD-202G, Method 210F,
Condition D
Dimensions
R EC O M M EN D ED PA D LA YO U TS
3.18
(.125")
3.81
(.150")
1.52
(.060")
1.14
(.045")
2.03
(.080")
R EFLO W SO LD ER
1.12
(.044")
R EF.
2.49 (.098")
R EF.
1.52
(.060")
1.14
(.045")
.635
(.025")
Part Marking System
Series
429L
Marking
Code
7
Part Numbering System
0429 007. WRM L HF
SERIES
Amp Code
Refer to Amp Code Column of
Electrical characteristics table
Quantity code
WRM = 3000 pieces, Tape and Reel
L = Lead-Free device and
RoHS compliant device
halogen-Free item
Packaging
Packaging Option
Packaging Specification
Quantity
Tape & Reel – 8mm tape EIA-481 Rev. D (IEC 60286, part 3)
3000
Quantity &
Packaging Code
WRM
© 2009 Littelfuse, Inc.
35
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/429.html for current information.
429 Series