
Axial Lead and Cartridge Fuses
449
www.littelfuse.com
Similar to the 663 fuse, this fuse is designed with a higher
breaking capacity.
Meets IEC 60127-3/4 specifications (up to 6.3A).
Available in short and long lead variations.
ELECTRICAL CHARACTERISTICS:
% of Ampere
Ampere
Rating
Rating
150%
800mA-6.3A
210%
800mA-6.3A
275%
800mA-6.3A
400%
800mA-6.3A
1000%
800mA-6.3A
Time
1 hour
Min.
2 minutes,
Max
imum
.4 sec
Min.
; 10 seconds
Max
imum
.1 sec
Min.
; 3 seconds
Max
imum
.02 sec
Min
. .15 seconds
Max
imum
100%
8-10A
4 hours,
Min.
200%
8-10A
60 seconds,
Max
imum
AGENCY APPROVALS:
IEC 60127-3/4: VDE and Semko approved
from 800mA to 4A. Recognized under the components program of
Underwriters Laboratories and recognized by CSA from 800mA to 6.3A.
Approved by KTL from 800mA to 6.3A. Approved by METI and CCC
from 1 to 4A. Listed by the Underwriters Laboratories for 8 and 10A rat-
ings.
INTERRUPTING RATINGS:
100A at 250 VAC.
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
Subminiature
LT-5
Time Lag Extended Breaking Capacity Fuse 664 Series
1
8.5(.335")
8
(
0.64
(.025")
0
5.08
(.200")
4
8.5(.335")
8
(
0.64
(.025")
0
5.08
(.200")
V
D
E
Nominal
Resistance
Cold mOhms
168
123
85
60
39
30
20
17
11
9
7
6
Nominal
Melting I
2
t
A
2
Sec
2.2
4.4
6.3
10
16
32
57
77
155
262
397
440
Catalog
Number
0664
.800
0664
001.
0664
1.25
0664
01.6
0664
002.
0664
02.5
0664
3.15
0664
004.
0664
005.
0664
06.3
0664
008.
0664
010.
Ampere
Rating
.800
1.00
1.25
1.60
2.00
2.50
3.15
4.00
5.00
6.30
8.00
10.00
Voltage
Rating
250
250
250
250
250
250
250
250
250
250
250
250
Refer to page 342 for LT-5
TM
holder information.
ORDERING INFORMATION:
UL
RoHS