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