General-Purpose Fuses
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c
267
Littelfuse
¨
1206 SMF Very Fast-Acting Thin-Film Fuse
3AG Fast-Acting Fuses
For low time lag usage. 1
1
Ú
4
´
1
Ú
4
". Maximum 250 V. UL listed and CSA certified.
Stock Mfr.Õs Amps
No. Type
EACH*
5-95
846-4001 312.062
1
Ú
16
.87 .69 .63
846-4002 312.125
1
Ú
8
1.16 .92 .77
845-4003 312.175 0.175 1.71 1.33 1.24
845-4004 312.187
3
Ú
16
1.71 1.57 1.44
846-4005 312.250
1
Ú
4
.68 .56 .47
845-4006 312.300
3
Ú
10
.43 .40 .37
845-4007 312.375
3
Ú
8
.48 .44 .40
846-4008 312.500
1
Ú
2
.47 .38 .31
846-4009 312.750
3
Ú
4
.42 .37 .30
846-4010 312001 1 .47 .31 .24
846-4018 3121.25 1
1
Ú
4
.27 .17 .15
846-4011 31201.5 1
1
Ú
2
.31 .27 .21
846-4012 312002 2 .23 .19 .17
846-4019 31202.5 2
1
Ú
2
.47 .30 .24
846-4013 312003 3 .45 .30 .22
846-4014 312004 4 .46 .39 .33
846-4015 312005 5 .35 .33 .31
846-4016 312006 6 .62 .52 .44
846-4020 312007 7 .43 .37 .31
846-4017 312008 8 .66 .51 .45
846-4021 312010 10 .64 .51 .45
*Sold in multiples of 5 only.
3AB Ceramic Body Fast-Acting Fuses
250 V or less. Blow Time: 100% 4 hour minimum; 135% 1 hour maximum; 200%
15 second maximum (
1
Ú
8
-12 A); 30 second maximum (15-30 A). 1
1
Ú
4
´
1
Ú
4
". UL listed
thru15 amps. Certified by CSA thru 15 amps. UL recognized, 20-30 A.
Stock Mfr.Õs Amps
No. Type
EACH*
5-95
845-4553 314001 1 1.07 .92 .84
845-4022 314002 2 .64 .53 .48
845-4554 314003 3 1.20 1.09 1.01
845-4023 314004 4 1.25 1.15 1.06
845-4555 314005 5 .59 .53 .49
845-4556 314006 6 1.24 1.13 1.03
845-4024 314007 7 1.21 1.09 1.00
845-4557 314008 8 .57 .50 .46
846-4558 314010 10 .96 .80 .66
846-4559 314012 12 .56 .50 .46
846-4560 314015 15 .97 .81 .68
846-4561 314020 20 1.12 .88 .74
845-4562 314025 25 .70 .64 .58
845-4025 314030 30 1.59 1.25 1.06
*Sold in multiples of 5 only. 125 V max.
3AG Slo Blo¨Fuses
For circuits with high inductive surge. 1
1
Ú
4
´
1
Ú
4
". Maximum 250 V except () denotes 32 V.
Approvals: Listed by Underwriters Laboratories and certified by CSA thru 7 amps;
Recognized under the components program of Underwriters Laboratories from 8-30 amps.
Stock Mfr.Õs Amps
No. Type
EACH*
100-245
845-4036 313.031
1
Ú
32
2.10 1.91 1.77
845-4037 313.062
1
Ú
16
1.41 1.15 1.06
845-4038 313.100
1
Ú
10
2.36 1.86 1.58
845-4039 313.125
1
Ú
8
2.46 1.97 1.66
845-4043 313.200
2
Ú
10
1.33 1.18 1.09
846-4044 313.250
1
Ú
4
1.13 .89 .74
845-4045 313.300
3
Ú
10
1.73 1.36 1.16
845-4046 313.375
3
Ú
8
1.90 1.47 1.27
845-4047 313.400
4
Ú
10
1.80 1.40 1.26
846-4048 313.500
1
Ú
2
.58 .53 .49
845-4049 313.600
6
Ú
10
1.36 1.07 .92
846-4050 313.700
7
Ú
10
.82 .66 .57
846-4051 313.750
3
Ú
4
.80 .71 .64
845-4052 313.800
8
Ú
10
1.56 1.24 1.14
846-4053 313001 1 .69 .57 .48
846-4054 3131.25 1
1
Ú
4
1.04 .90 .76
846-4055 31301.5 1
1
Ú
2
1.04 .88 .73
845-4056 31301.6 1
6
Ú
10
1.26 1.06 .89
846-4057 313002 2 .76 .64 .54
846-4058 31302.5 2
1
Ú
2
1.03 .89 .72
846-4059 313003 3 1.06 .91 .75
845-4060 31303.2 3
2
Ú
10
.98 .84 .70
846-4061 313004 4 1.39 1.19 .99
846-4062 313005 5 .60 .54 .48
846-4063 3136.25 6
1
Ú
4
.57 .48 .39
846-4064 313007 7 .76 .65 .53
846-4065 313008 8 .73 .62 .51
846-4066 313010 10 .88 .70 .58
845-4400 313012 12 .94 .74 .63
846-4067 313015 15 1.60 1.20 1.07
845-4068 313020 20 1.12 .90 .76
845-4405 313025 25 1.73 1.38 1.26
845-4410 313030 30 .89 .72 .60
*Sold in multiples of 5 only. 32 V max.
100-245 250-495
100-245 250-495
5-95 250-495
Nominal Nominal
Stock Mfr.Õs Ampere Marking Resistance Melting I
2
t
No. Type Rating Code Cold Ohms* A
2
Sec.
EACH
1-49 50-99
845-7002 433 375
3
/
8
FE 0.37500 0.0028 1.44 1.28
845-7004 433 001 1 FH 0.09950 0.0350 1.44 1.28
845-7010 433 002 2 FN 0.03975 0.2300 1.44 1.28
845-7013 433 003 3 FP 0.02625 0.7000 1.44 1.28
845-7015 429 004 4 FS 0.01925 1.5000 1.44 1.28
845-7018 429 005 5 FT 0.00979 2.7000 1.75 1.56
845-7021 429 007 7 FU 0.01375 3.6000 1.75 1.56
*Measured at 10% of rated current, 25¡C. Measured at rated voltage. Tape and reel available.
Recognized under the components program of Underwriters Laboratories and certified by
CSA. Interrupting Ratings: 0.125 - 3 A at a rated voltage, 4-7 A - 50 A at a rated voltage,
3
/
8
A-125 V, 1-2 A-63 V, 3 A-32 V, 4-7 A-24 V. Operating Temperature: Ð55¡C to 125¡C.
Vibration: Withstands 10-55 Hz per MIL-STD-202F, method 201a and 10-2000 Hz at 20 Gs
per MIL-STD-202F, method 204D, condition D. Insulation Resistance (After Opening):
Exceeds 20 megohms. Resistance to Solder Heat: Withstands 60 seconds above 200¡C
up to 260¡C, maximum. Thermal Shock: Withstands 5 cycles of Ð5¡ to 125¡C. Materials:
Epoxy body/nickel/solder coated terminals. Soldering Parameters. Wave Solder: 500¡F
(260¡C), 10 seconds, max. Infrared: 500¡F (260¡C), 30 seconds, max. Voltage Rating: to
125. Agency File Numbers: UL E10480, CSA LR 29862.
Stock Mfr.Õs Description
No. Type
EACH
1-99 100-499 500-999 1000-2499
247-2102 ZC-210B Bakelite Auto Fuseholder 1.54 1.27 .91 .84
Auto Fuseholder
Rating: 20 amps. #14 gauge wire, 12" length. Fuse Size:
1
/
4
" ´1
1
/
4
".
6