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0434003.NR

更新时间： 2024-10-28 13:03:03
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力特 - LITTELFUSE 电路保护
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1页 43K
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0434003.NR 数据手册

  
Surface Mount Fuses  
Thin-Film Surface Mount  
SlimLine™ 0603 Very Fast-Acting Fuse 434 Series  
®
®
• For RoHS compliant and Lead-Free designs use 467 series.  
• The SlimLine 0603 fuse is an extremely small, low profile design  
(0603 chip size) utilizing thin-film technology to achieve precise control  
of electrical characteristics.  
• The lower height profile produces a flat surface for improved  
performance in pick-and-place operations and an alternate solution for  
height critical applications.  
ELECTRICAL CHARACTERISTICS:  
% of Ampere  
Rating  
Opening  
Time at 25°C  
Reference Dimensions:  
100%  
200%  
300%  
4 hours, Minimum  
1.60  
(.063")  
.305  
(.012")  
5 seconds, Maximum  
0.2 seconds, Maximum  
.127  
(.005")  
.254 (.010")  
Sn/Pb  
AGENCY APPROVALS: Recognized under the Components  
Program of Underwriters Laboratories and Certified by CSA.  
AGENCY FILE NUMBERS: UL E10480, CSA LR 29862.  
INTERRUPTING RATINGS:  
Coating  
.279  
(.011")  
MARKING CODE VARIES  
WITH AMPERAGE RATING  
(SEE CHART)  
.25–1A  
50 A @ 32 V AC/DC  
1.25–5A  
35 A @ 32 V AC/DC  
Sn/Pb  
Sn/Pb  
Cu  
ENVIRONMENTAL SPECIFICATIONS:  
.813  
(.032")  
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.  
1.09  
Insulation Resistance (After Opening): Greater than  
10,000 ohms.  
Resistance To Soldering Heat: Withstands 60 seconds above  
200°C up to 260°C, maximum.  
(.043")  
1.02  
(.040")  
3.20  
(.126")  
2.54  
(.100")  
1.02  
(.040")  
Thermal Shock: Withstands 5 cycles of –55°C to 125°C.  
PHYSICAL SPECIFICATIONS:  
Materials: Body: Epoxy Substrate  
.762  
(.030")  
1.09  
(.043")  
1.09  
(.043")  
Terminations: Copper/Nickel/Tin-Lead (95/5)  
Cover Coat: Conformal Coating  
REFLOW SOLDER  
WAVE SOLDER  
Soldering Parameters(see page 3 for typical soldering profile):  
Wave Solder — 260°C, 10 seconds maximum  
Reflow 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.  
Average Time Current Curves  
100  
10  
1
PATENTED:  
ORDERING INFORMATION:  
Nominal  
Catalog  
Number  
Ampere  
Rating  
Marking  
Code  
Voltage  
Rating  
Resistance  
Melting I2t  
(A2 Sec.)2  
Cold Ohm1  
0434.250  
0434.375  
0434.500  
0434.680  
0434.750  
0434 001.  
0434 1.25  
0434 01.5  
0434 1.75  
0434 002.  
0434 02.5  
0434 003.  
0434 03.5  
0434 004.  
0434 005.  
.25  
.375  
.5  
.68  
.75  
1
1.25  
1.5  
1.75  
2
2.5  
3
D
E
F
X
G
H
J
32  
32  
32  
32  
32  
32  
32  
32  
32  
32  
32  
32  
32  
32  
32  
0.375  
0.265  
0.193  
0.125  
0.114  
0.072  
0.054  
0.048  
0.039  
0.036  
0.028  
0.023  
0.019  
0.017  
0.013  
0.0030  
0.0053  
0.0087  
0.0109  
0.0171  
0.0210  
0.0320  
0.0526  
0.0661  
0.104  
0.1  
K
L
N
O
P
R
S
T
0.01  
0.175  
0.198  
0.265  
0.352  
3.5  
4
5
0.001  
1.297  
0.1  
1
10  
100  
1 Measured at 10% of rated current, 25°C.  
CURRENT IN AMPERES  
2 Measured at rated voltage.  
372  
www. lit t elf us e. c om  
1

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