Surface Mount Fuses
Thin Film > 1206 Size > Very Fast-Acting > 429 Series
Product Characteristics
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.
– 55 C to 90 C.
Consult temperature rerating chart.
For operation above 90°C contact Littelfuse.
O
O
Humidity
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
Materials
Vibration
Insulation Resistance
(After Opening)
Resistance to
Soldering Heat
Operating
Temperature
Thermal Shock
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"
.
)
1.
12
(044"
.
)
R EF.
1.
52
(060"
.
)
Part Marking System
Series
429L
marking
code
7
Part Numbering System
2. (098"
49 .
)
R EF.
1.
14
(045"
.
)
.
635
(025"
.
)
2.
03
(080"
.
)
R EFLO W SO LD ER
0429 007. WRM L HF
SERIES
AMP Code
Refer to Amp Code Column of
Electrical characteristics table
WRM = 3000 pieces, Tape and Reel
QuANTITy Code
L = Lead-Free device and
RoHS compliant device
Halogen-Free item
Packaging
packaging Option
Tape & Reel – 8mm tape
packaging Specification
EIA-481 Rev. D (IEC 60286, part 3)
Quantity
3000
Quantity &
packaging code
WRM
© 2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/429.html for current information.
35
429 Series
429 Series
Withstands 5 cycles of – 55
O
C to 125
O
C
LITTELFUSE [ LITTELFUSE ]
