Surface mount fuses – Littelfuse 433 Series User Manual
Page 3
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Revision: February 13, 2008
Surface Mount Fuses
©2008 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com for the most current information
Thin Film > 1206 Size > Very Fast Acting > 433 Series
433 Series
Dimensions
2.03
(.080")
2.03
(.080")
WAVE SOLDER
REFLOW SOLDER
3.81
(.150")
1.27
(.050")
.58
(.023")
.56
(.022")
.66
(.026")
1.14
(.045")
MARKING CODE VARIES
WITH AMPERAGE RATING
(SEE CHART)
1.52
(.060")
3.18
(.125")
3.18
(.125")
4.83
(.190")
1.65
(.065")
1.52
(.060")
Sn/Pb
Sn/Pb
Sn/Pb
Cu
Coating
Packaging
Part Numbering System
0433 .125 NR
AMP CODE
SERIES
QUANTITY CODE
Materials
Body: Epoxy Substrate
Terminations: 95% Tin / 5% Lead over Nickel
over Copper
Element Cover Coat: Conformal Coating
Operating
Temperature
– 55
O
C to 90
O
C. Consult temperature rerating
curve chart.
Thermal Shock
Withstands 5 cycles of – 55
O
C to 125
O
C
Humidity
MIL-STD-202F Method 103B
Condition D
Vibration
Per MIL-STD-202F, Method 201A
Insulation Resistance
(After Opening)
Greater than 10,000 ohms.
Resistance to
Soldering Heat
Withstands 60 seconds above 200
O
C
and up to 260
O
C, maximum
Product Characteristics
Part Marking System
Packaging Option
Packaging Specification
Quantity
Quantity &
Packaging Code
Tape & Reel – 8mm tape
EIA RS-481-1 (IEC 286, part 3)
5000
NR
Amp
Code
Marking
Code
.125
B
.200
C
.250
D
.375
E
.500
F
.600
.6
.750
G
.800
.8
001.
H
1.25
J
01.5
K
1.75
L
002.
N
02.5
O
003.
P
03.5
R
004.
S
005.
T