of Underwriters Laboratories and Certified by CSA.
UL E10480, CSA LR 29862.
REF.
REF.
鈥?/div>
55擄C to 90擄C. Consult temperature rerating
chart on page 4. For operation above 90擄C contact Littelfuse.
Vibration:
Withstands 10鈥?55 Hz per MIL-STD-202F,
Method 201A and 10-2000 Hz at 20 G鈥檚 per MIL-STD-202F, Method 204D,
Condition D.
Insulation Resistance (After Opening):
Greater than 10 KOhm.
Resistance to Soldering Heat:
Withstands 60 seconds above 200擄C
up to 260擄C, maximum.
Thermal Shock:
Withstands 5 cycles of 鈥?55擄 to 125擄C.
3.81
(.150")
2.03
(.080")
REFLOW SOLDER
1.14
(.045")
.635
(.025")
PHYSICAL SPECIFICATIONS:
Materials:
Body: Epoxy Substrate
Terminations:
Standard Device: Copper/Nickel/Tin-Lead (95/5)
RoHs Compliant Device: 100% Copper/Nickel/Tin
Cover Coat: Conformal Coating
PATENTED
Average Time Current Curves
7A
100
10
SURFACE MOUNT
FUSES
Soldering Parameters:
Reflow Solder 鈥?260擄C, 30 seconds maximum
PACKAGING SPECIFICATIONS:
8mm Tape and Reel per
EIA-RS481-1 (IEC 286, part 3); 3,000 per reel, add packaging suffix, WRM.
Options:
For RoHS Compliant and lead-free devices add the letter 鈥楲鈥?to
end of packaging suffix. Example: 0429007.WRML (RoHS Compliant 7A,
3,000 per reel).
ORDERING INFORMATION:
10
For Low-Current Designs Use 433 or 466 Series.
Catalog
Number
429.125
429.200
429.250
429.375
429.500
429.750
429
001
429
007
429
007L
1
TIME IN SECONDS
Ampere
Rating
0.125
0.200
0.250
0.375
0.500
0.75
1.00
7.0
7.0
Marking
Code
FB
FC
FD
FE
FF
FG
FH
FU
7
2
Nominal
Voltage
Rating
125
125
125
125
63
63
63
24
24
Nominal
Resistance
Cold Ohms
1
2.30000
0.93800
0.62500
0.37500
0.24050
0.13700
0.09950
0.00925
0.00925
1
Melting I
2
t
(A
2
Sec.)
2
0.00020
0.00055
0.00100
0.00280
0.0060
0.0170
0.035
3.60
3.60
0.1
0.01
Measured at 10% of rated current, 25擄C.
Measured at rated voltage.
0.001
0.1
1
10
CURRENT IN AMPERES
100
w w w. l i t t e l f u s e . c o m
367
LITTELFUSE
1
