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312750

更新时间: 2024-11-24 02:58:19
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力特 - LITTELFUSE /
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描述
Axial Lead and Cartridge Fuses

312750 数据手册

  
Axial Lead and Cartridge Fuses  
Glass Body  
U
®
®L  
3AG Fast-Acting Type 312/318 Series  
A standard for cost-effective reliability and performance in circuit protec-  
tion, the 3AG fuse satisfies a broad range of application requirements.  
ELECTRICAL CHARACTERISTICS:  
% of Ampere  
Rating  
Ampere  
Rating  
Opening  
Time  
100%  
1/32–35  
1/32–35  
1/32–10  
12–30  
35  
4 hours, Minimum  
1 hour, Maximum  
5 sec., Maximum  
10 sec., Maximum  
20 sec., Maximum  
135%  
200%  
AGENCY APPROVALS: Listed by Underwriters Laboratories and  
Certified by CSA through 30 amperes.  
1/100–10 amperes listed to UL 248-14 (UL 198-G)  
12–30 amperes listed to UL 275.  
312 000 Series  
318 000 Series  
AGENCY FILE NUMBERS: UL E10480, CSA LR 29862.  
0.813  
(.032")  
6.985 (.275")  
INTERUPTING RATING:  
10,000A @ 125VAC  
35A @ 250VAC  
6.35  
(.25")  
32.385  
(1.275")  
31.75  
(1.25")  
38.1  
(1.50") TYP.  
ORDERING INFORMATION:  
Axial Lead Material: Solder coated copper.  
Cartridge  
Catalog  
Number  
Axial Lead  
Catalog  
Number  
Nominal  
Resistance  
Cold Ohms  
Nominal  
Melting I2t  
A2 Sec.  
Ampere Voltage  
Rating  
Rating  
312.031  
312.062  
312.100  
312.125  
318.031  
318.062  
318.100  
318.125  
1/32  
1/16  
1/10  
1/8  
250  
250  
250  
250  
23.3  
24.5  
11.2  
7.10  
0.0000300  
0.000249  
0.00102  
Average Time Current Curves  
0.00289  
312.150  
312.175  
312.187  
312.200  
312.250  
318.150  
318.175  
318.187  
318.200  
318.250  
15/100  
.175  
3/16  
2/10  
1/4  
250  
250  
250  
250  
250  
5.10  
3.85  
3.40  
3.00  
2.00  
0.00550  
0.00960  
0.0128  
0.0165  
0.0355  
11  
1000  
100  
10  
312.300  
312.375  
312.500  
312.600  
312.750  
318.300  
318.375  
318.500  
318.600  
318.750  
3/10  
3/8  
1/2  
6/10  
3/4  
250  
250  
250  
250  
250  
1.40  
0.0689  
0.185  
0.483  
0.880  
1.84  
0.820  
0.495  
0.360  
0.243  
312 001  
312 1.25  
312 01.5  
312 01.6  
312 1.75  
318 001  
318 1.25  
318 01.5  
318 01.6  
318 1.75  
1
250  
250  
250  
250  
250  
0.189  
0.138  
0.103  
0.0930  
0.0850  
0.760  
1.45  
2.35  
2.80  
3.60  
1
4
1 /  
1
2
1 /  
6
10  
1 /  
3
4
1 /  
8
10  
312 01.8  
312 002  
312 2.25  
312 02.5  
312 003  
318 01.8  
318 002  
318 2.25  
318 02.5  
318 003  
1 /  
250  
250  
250  
250  
250  
0.0820  
0.0700  
0.0590  
0.0510  
0.0424  
3.85  
5.20  
7.20  
9.54  
14.0  
2
1
4
2 /  
1
2
2 /  
1
3
312 004  
312 005  
312 006  
312 007  
312 008  
318 004  
318 005  
318 006  
318 007  
318 008  
4
5
6
7
8
250  
250  
250  
250  
250  
0.0291  
0.0223  
0.0177  
0.0145  
0.0121  
28.5  
50.0  
81.1  
118.0  
166.0  
0.1  
0.01  
312 010  
312 012  
312 015  
312 020  
312 025  
318 010  
10  
12  
15  
20  
25  
250  
32  
32  
32  
32  
0.00925  
0.0071  
0.0052  
0.0034  
0.0024  
298.0  
0.005 0.01  
0.1  
1
10  
100  
312 030  
312 035  
30  
35  
32  
32  
0.0019  
0.0013  
CURRENT IN AMPERES  
401  
www. lit t elf us e. c om  

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