Surface Mount Fuses
Thin Film > 0402 Size > Very Fast-Acting > 435 Series
Product Characteristics
Body: Epoxy / Glass Substrate;
Parts with ‘HF’ suffix: Halogen Free Epoxy / Glass
Terminations: 100% Tin over Nickel over Copper
Device Weight: 0.316mg
MIL-STD-202F
, Method 211A, Test Condition A
Vibration
After Opening: Greater than 10,000Ohms
MIL
-STD-202F
Operating
Temperature
Thermal Shock
–55°C to 90°C.
Consult temperature rerating curve chart.
For operation above 90°C please contact
Littelfuse.
Withstands 5 cycles of –55°C to 125°C
Materials
Terminal
Strength
Insulation
Resistance
Dimensions
Part Marking System
.991 +/- .051
(.039" +/- .002")
A
Marking code varies
with amperage.
Refer to Part Marking
System chart.
Amp
Code
.250
.375
.500
.750
001.
1.25
01.5
1.75
002.
02.5
003.
03.5
004.
005.
Marking
Code
X
B
.508 +/- .051
(.020" +/- .002")
.229 +/- .102
(.009" +/- .004")
0.330 +/- .102
(.013" +/- .004")
C
D
.2159 +/- .0889
Sn
0.292 +/- .102
(.012" +/- .004")
Re ow solder
recommended
mounting pad
dimensions
(.0085" +/- .0035")
Cu
.584
(.023")
.381
1.55
(.015") (.061")
.558
(.022")
Part Numbering System
A
inch min
inch max
mm min
mm max
0.037
0.041
0.94
1.04
B
0.018
0.022
0.457
0.559
C
0.008
0.016
0.190
0.394
D
0.005
0.012
0.127
0.305
SERIES
AMP Code
Refer to Amp Code column in the
Electrical Specifications table.
The dot is positioned at the end of the
number sequence with whole ratings
and within for fractional ratings.
Example:
1.5 amp product is
043501.5KRHF (2 amp product shown)
0435 002. K R HF S
QuANTITy Code
K = 10,000 Pieces
R = Tape and Reel
PACKAgINg Code
HAlOgEN FREE ITEM
“S” - for .250A only
Packaging
packaging Option
8mm Tape and Reel
packaging Specification
EIA-481 Rev. D (IEC 60286, part 3)
Quantity
10000
Quantity &
packaging code
KR
© 2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/435.html for current information.
47
435 Series
435 Series
LITTELFUSE [ LITTELFUSE ]
