Axial Lead and Cartridge Fuses
447
www .littelfuse .com
Subminiature
LT-5 Time Lag Fuse 663 Series
ELECTRICAL CHARACTERISTICS:
% of Ampere
Rating
Time
150%
1 hour
Min.
210%
2 minutes,
Maximum
275%
.4 sec
Min.; 10 seconds Max
400%
.15 sec
Min.; 3 seconds Maximum
1000%
.02 sec
Min. .15 seconds Maximum
AGENCY APPROVALS: IEC 60127-3/4: VDE approved 50mA to
6.3A. Semko approved from 50mA to 4A. Recognized under the
Components Program of Underwriters Laboratories and recognized by
CSA from 50mA to 6.3A. Approved by CCC from 1 to 4A. KTL approved
from 50mA to 6.3A. Approved by METI from 1A to 4A.
INTERRUPTING RATINGS:
0.050-3.15A
35A @ 250 VAC
50A @ 125 VDC
4-6.3A
10x rated current @ 250 VAC
50A or 10x rated current @ 125VDC
ENVIRONMENTAL SPECIFICATIONS:
Operating Temperature: -40C to +85C.
Case Resistance: Min 100 Mohms, according to EIA/IS-722, 4.7
Vibration: 20gn, 20 min, 10Hz to 2,000Hz, 12 cycles according to
EIA/IS-722, 4.10 (Frequency range 10-2000Hz, cross-over frequency 60
Hz according to IEC 60068-2-6, test Fc)
Mechanical Shock: 50g, half sine wave, 11ms, 3 times each direction
according to IEC 60068-2-27.
Resistance to Cleaning Solvents: Clean according to EIA/IS-722, 4.11
Resistance to Soldering Heat: 10 sec. At 260C to IEC 60068-2-20,
test Tb
Terminal Strength: Tensile load min. 9N, according to EIA/IS-722, 4.5.5
PHYSICAL SPECIFICATIONS:
Materials: Temperature Resistant Body, UL 94V-0; Sn Coated Copper
Wire Terminals.
Solderability: IEC 60068-2-20, test Ta
Soldering Parameters: Wave Solder – 235C, 2 seconds maximum.
PACKAGING:
Please refer to the following suffixes when ordering:
100 Piece Bulk: Short Leads use suffix HXSL; Long Leads use
suffix HXLL
750 Piece Tape and Reel per IEC 286-2: (Long Leads only)
use suffix ZRLL
1000 Piece Ammo Pack use suffix MALL
PATENTED
1
8
.8
(.
7
4
0
")
8.5(.335")
8
.4
5
(.
3
")
0.64
(.025")
0
.5
7
(.
0
1
2
")
5.08
(.200")
4
.3
(.
1
6
9
")
8.5(.335")
8
.4
5
(.
3
")
0.64
(.025")
0
.5
7
(.
0
1
2
")
5.08
(.200")
V
DE
Nominal
Catalog
Ampere
Voltage
Resistance
Melting I2t
Number
Rating
Cold mOhms
A2 Sec
0663.050
.050
250
7573
0.03
0663.063
.063
250
4490
0.05
0663.080
.080
250
2648
0.06
0663.100
.100
250
1994
0.08
0663.125
.125
250
1241
0.12
0663.160
.160
250
990
0.24
0663.200
.200
250
718
0.35
0663.250
.250
250
454
0.6
0663.315
.315
250
326
0.8
0663.400
.400
250
239
1.1
0663.500
.500
250
187
2.5
0663.630
.630
250
129
4
0663.800
.800
250
99
8
0663 001.
1.00
250
75
12
0663 1.25
1.25
250
50
15
0663 01.6
1.60
250
36
30
0663 002.
2.00
250
27
34
0663 02.5
2.50
250
20
55
0663 3.15
3.15
250
17
76
0663 004.
4.00
250
12
80
0663 005.
5.00
250
9
230
0663 06.3
6.30
250
7
360
Refer to page 342 for LT-5TM holder information.
ORDERING INFORMATION:
RoHS