SURFACE MOUNT FUSES
SURFACE MOUNT
0603
Very Fast-Acting Thin-Film Type 431 Series
Super-small size saves valuable board space while provid-
ing high power density. Ideal for circuit protection of disk
drives, PCMCIA cards and cellular phones.
ELECTRICAL CHARACTERISTICS:
% of Ampere
Rating
100%
200%
300%
Opening
Time at 25
擄
C
4 hours,
Minimum
5 seconds,
Maximum
0.2 seconds,
Maximum
Reference Dimensions:
廬
廬
AGENCY APPROVALS:
Recognized under the
Components Program of Underwriters Laboratories and
Certified by CSA.
AGENCY FILE NUMBERS:
UL E10480, CSA LR 29862.
INTERRUPTING RATINGS:
.25 鈥?A
50 amperes at 32 VAC/VDC
1鈥?5A
35 amperes at 32 VAC/VDC
ENVIRONMENTAL SPECIFICATIONS:
Operating Temperature:
鈥?55擄C to 125擄C.
Vibration:
Withstands 10-55 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
500,000 ohms.
Resistance To Soldering Heat:
Withstands 60 seconds
above 200擄C up to 260擄C, maximum.
Thermal Shock:
Withstands 5 cycles of 鈥?0擄C to 125擄C.
PHYSICAL SPECIFICATIONS:
Materials:
Body: Epoxy Substrate
Terminations: Copper/Nickel/Tin-Lead (95/5)
Cover Coat: Conformal Coating
Soldering Parameters:
Wave Solder 鈥?260擄C, 10 seconds maximum
Reflow Solder鈥?260擄C, 30 seconds maximum
PACKAGING SPECIFICATIONS:
8mm Tape and Reel
per EIA-RS481 (IEC 286, part 3); 5,000 per reel, add
packaging suffix, NR.
PATENTED
ORDERING INFORMATION:
Catalog Ampere
Number Rating
431.250
1/4
431.375
3/8
431.500
1/2
431.750
3/4
431
001
1
431
01.5
1
1
/
2
431
002
2
431
02.5
2
1
/
2
431
003
3
431
03.5
3
1
/
2
431
004
4
431
005
5
1
0.063"
鹵 .005
0.100"
0.040"
0.030"
0.043"
REFLOW SOLDER
R 0.008"
0.041"
鹵 .010
.000
0.031"
鹵 .004
0.043"
0.040"
0.126"
0.014"
鹵 .005
0.017"REF.
0.018"
鹵 .003
0.015"
鹵 .001
0.043"
WAVE SOLDER
Average Time Current Curves
1
Voltage
Rating
32
32
32
32
32
32
32
32
32
32
32
32
Nominal
Resistance
Cold Ohm
1
0.375
0.265
0.193
0.114
0.072
0.048
0.036
0.028
0.023
0.019
0.017
0.013
Nominal
Voltage Drop
(V)
2
0.130
0.084
0.120
0.110
0.100
0.082
0.077
0.089
0.080
0.090
0.100
0.107
Melting I
2
t
(A
2
Sec.)
0.0030
0.0053
0.0087
0.0171
0.0210
0.0696
0.104
0.175
0.198
0.265
0.420
0.600
TIME IN SECONDS
0.1
0.01
Measured at 10% of rated current, 25擄C.
2
Measured at 100% of rated current, 25擄C.
0.001
0.05 0.1
.25A
.375A
.5A
.75A
1A
1.5A
2A
2.5A
3A
3.5A
4A
5A
1
10
100
CURRENT IN AMPERES
32
1
