Surface Mount Fuses
Thin-Film Surface Mount
SlimLine
™
1206
Very Fast-Acting Fuse 433 Series
• For new designs of 7 amp please consult 429 series.
• The SlimLine 1206 fuse is an extremely small, low profile design
(1206 chip size) utilizing thin-film technology to achieve precise control
of electrical characteristics.
• The lower height profile produces a flat surface for improved perform-
ance in pick-and-place operations and an alternate solution for height
critical application.
• Mounting pad and electrical specification are identical to the popular
429 Series specifications.
®
®
ELECTRICAL CHARACTERISTICS:
% of Ampere
Rating
100%
200%
300%
Opening
Time at 25
°
C
4 hours,
Minimum
5 seconds,
Maximum
0.2 seconds,
Maximum
Reference Dimensions:
MARKING CODE VARIES
WITH AMPERAGE RATING
(SEE CHART)
Sn/Pb
AGENCY APPROVALS:
Recognized under the Components Program
of Underwriters Laboratories and Certified by CSA.
.66
(.026")
.58
(.023")
.56
(.022")
Coating
AGENCY FILE NUMBERS:
UL E10480, CSA LR 29862.
INTERRUPTING RATINGS:
0.125 – .375A
0.5 – 2A
2.5 – 3A
4 – 5A
50
50
50
50
A
A
A
A
@
@
@
@
125 V AC/DC
63 V AC/DC
32 V AC/DC
24 V AC/DC
3.18
(.125")
Cu
Sn/Pb
Sn/Pb
ENVIRONMENTAL SPECIFICATIONS:
Operating Temperature:
– 55°C to 90°C. Consult temperature
rerating chart on page 4. For operation above 90°C
contact Littelfuse.
Vibration:
Per MIL-STD-202F.
Insulation Resistance (After Opening):
Greater than 10,000 ohms.
Resistance to Soldering Heat:
Withstands 60 seconds above
200°C up to 260°C, maximum.
1.52
(.060")
3.18
(.125")
1.65
(.065")
1.52
(.060")
4.83
(.190")
1.52
(.060")
1.14
(.045")
3.81
(.150")
Shelf Life (Solderability):
1 year min.
Thermal Shock:
Withstands 5 cycles of – 55° to 125°C.
PHYSICAL SPECIFICATIONS:
Materials:
Body: Epoxy Substrate
Terminations: Copper/Nickel/Tin-Lead (95/5)
Cover Coat: Conformal Coating
2.03
(.080")
WAVE SOLDER
2.03
(.080")
REFLOW SOLDER
Average Time Current Curves
.125A
.200A
.25A
.375A
.5A
.6A
.75A
.8A
1A
1.25A
1.5A
1.75A
2A
2.5A
3A
4A
5A
100
10
TIME IN SECONDS
1
0.1
0.01
0.001
0.1
1
10
CURRENT IN AMPERES
100
Soldering Parameters(refer to page
3
for soldering profile):
Wave Solder — 260°C, 10 seconds maximum
Infrared Solder — 260°C, 30 seconds maximum
PACKAGING SPECIFICATIONS:
8mm Tape and Reel per
EIA-RS481-1 (IEC 286, part 3); 5,000 per reel, add packaging suffix, NR.
PATENTED
ORDERING INFORMATION:
Catalog
Number
Ampere
Rating
Marking
Code
Voltage
Nominal
Resistance
Melting I
2
t
(A
2
Sec.)
2
0.00040
0.00055
0.0010
0.0028
0.0060
0.0131
0.0170
0.0305
0.0350
0.0650
0.125
0.150
0.230
0.50
0.70
1.024
1.600
0433.125
.125
B
0433.200
.200
C
0433.250
.250
D
0433.375
.375
E
0433.500
.50
F
0433.600
.60
.6
0433.750
.75
G
0433.800
.80
.8
0433
001.
1.0
H
0433
1.25
1.25
J
0433
01.5
1.5
K
0433
1.75
1.75
L
0433
002.
2.0
N
0433
02.5
2.5
O
0433
003.
3.0
P
0433
004.
4.0
S
0433
005.
5.0
T
1
Measured at 10% of rated current, 25°C.
366
Rating
Cold Ohms
1
125
3.45
125
0.938
125
0.625
125
0.375
63
0.2405
63
0.2100
63
0.1370
63
0.1225
63
0.09950
63
0.07475
63
0.06250
63
0.05000
63
0.03975
32
0.03065
32
0.02625
24
0.014
24
0.011
2
Measured at rated voltage.
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