37
SURFACEMOUNTFUSES
SUBMINIATURE SURFACE MOUNT
PICO
SMF
Slo-Blo
Type Fuse 460 Series
The PICO
SMF Slo-Blo
Fuse product provides Pico
fuse
reliability and performance in a standard rectangular sur-
face mount package.
ELECTRICAL CHARACTERISTICS:
% of Ampere
Rating
100%
4 hours,
Min
imum
200%
1 second,
Min.;
120 seconds,
Max.
300%
0.2 second,
Min.;
3 seconds,
Max.
800%
0.02 second,
Min.;
0.1 second,
Max
.
Opening
Time
AGENCY APPROVALS:
Recognized under the
Components Program of Underwriters Laboratories and
Certified by CSA. Approved by MITI from 1 through 5
amperes.
AGENCY FILE NUMBERS:
UL E10480, CSA LR 29862.
INTERRUPTING RATINGS:
50 amperes at 125 VAC.
50 amperes at 125 VDC.
ENVIRONMENTAL SPECIFICATIONS:
Operating Temperature:
–55°C to 125°C.
Shock:
MIL-STD-202, Method 213, Test Condition I
(100 G’s peak for 6 milliseconds).
Vibration:
MIL-STD-202, Method 201 (10–55 Hz).
MIL-STD-202, Method 204, Test Condition C (55–2000 Hz,
10 G’s peak).
Salt Spray:
MIL-STD-202, Method 101, Test Condition B.
Insulation Resistance (After Opening):
MIL-STD-202,
Method 302, (10,000 ohms minimum at 100 volts).
Resistance to Soldering Heat:
MIL-STD-202,
Method 210, (3 sec. at 260°C).
Thermal Shock:
MIL-STD-202, Method 107,
(–65 to 125°C).
Moisture Resistance:
MIL-STD-202, Method 106, High
Humidity (90-98 RH), Heat (65°C).
PHYSICAL SPECIFICATIONS:
Materials:
Body: Molded Thermoplastic
Terminations: Tin-Lead Plated Copper
Soldering Parameters:
Wave Solder — 260°C, 3 seconds maximum
Reflow Solder — 230°C, 30 seconds maximum
Solderability:
MIL-STD-202, Method 208.
PACKAGING SPECIFICATIONS:
12mm Tape and Reel
per EIA-RS481 (IEC 286, part 3); 500 per reel, add
packaging suffix, UR.
PATENTED
ORDERING INFORMATION:
1000
100
10
1
0.1
0.01
10
CURRENT IN AMPERES
T
100
1000
0.1
1
0.05
5
4
3
3
2
2
1
1
.
.
Nominal
Resistance
Cold Ohms
1.19
0.497
0.280
0.116
0.071
0.052
0.038
0.024
0.0194
0.0133
Nominal
Melting I
2
t
A
2
Sec.
0.210
0.760
2.01
3.94
7.60
13.0
21.0
26.8
35.0
54.8
Catalog
Number
R460
.500
R460
.750
R460
001
R460
01.5
R460
002
R460
02.5
R460
003
R460
03.5
R460
004
R460
005
Ampere
Rating
1/2
3/4
1
1
1
/
2
2
2
1
/
2
3
3
1
/
2
4
5
Voltage
Rating
125
125
125
125
125
125
125
125
125
125
Average Time Current Curves
T
.170"
5 A 1 25 V
LF
4 60
B 3
.120"
.117"
.285"
REF.
.051"
REF.
.080"
.325"
.065"
.195"
RECOMMENDED
PAD LAYOUT