鈩?/div>
has similar electrical performance characteris-
tics to the PICO
廬
Fuse and is designed to meet a wide
variety of electrical and environmental MIL specifications for
more demanding applications.
ELECTRICAL CHARACTERISTICS:
% of Ampere
Rating
100%
200%
Ampere
Rating
1/16 鈥?5
1/16 鈥?5
7鈥?0
12 鈥?5
Opening
Time
4 hours,
Minimum
1 second,
Maximum
5 seconds,
Maximum
20 seconds
Maximum
廬
廬
TIME IN SECONDS
AGENCY APPROVALS:
Recognized under the
Components Program of Underwriters Laboratories and
Certified by CSA.
AGENCY FILE NUMBERS:
UL E10480, CSA LR 29862.
INTERRUPTING RATINGS:
300 amperes at rated voltage VDC
50 amperes at rated voltage VAC
ENVIRONMENTAL SPECIFICATIONS:
Operating Temperature:
鈥?55擄C to 125擄C.
Shock:
MIL-STD-202, Method 213, Test Condition I
(100 G鈥檚 peak for six (6) milliseconds).
Vibration:
MIL-STD-202, Method 201 (10鈥?55 Hz, .06 in.
total excursion).
Salt Spray:
MIL-STD-202 Method 101, Test Condition B
(48 hrs.).
Insulation Resistance (After Opening):
MIL-STD-202,
Method 302, Test Condition A, (1/2 Megohm minimum).
Resistance to Soldering Heat:
MIL-STD-202,
Method 210, Test Condition F (20 sec. at 260擄C).
Thermal Shock:
MIL-STD-202, Method 107,
Test Condition B (鈥?5 to 125擄C).
Moisture Resistance:
MIL-STD-202, Method 106, High
Humidity (90-98 RH), Heat (65擄).
PHYSICAL SPECIFICATIONS:
Materials:
Body: Ceramic
Terminations: Plated Brass Caps.
Soldering Parameters:
Wave Solder 鈥?260擄C, 10 seconds maximum
Reflow Solder 鈥?260擄C, 30 seconds maximum
Solderability:
MIL-STD-202, Method 208.
PACKAGING SPECIFICATIONS:
12mm Tape and Reel per
EIA-RS481 (IEC 286, part 3); 1,000 per reel.
PATENTED
ORDERING INFORMATION:
Catalog
Number
R271.062
R271.125
R271.250
R271.375
R271.500
R271.750
R271
001
R271
01.5
R271
002
R271
02.5
R271
003
R271
03.5
R271
004
R271
005
R271
007
R271
010
R271
012
R271
015
Ampere
Rating
1/16
1/8
1/4
3/8
1/2
3/4
1
1
1
/
2
2
2
1
/
2
3
3
1
/
2
4
5
7
10
12
15
Voltage
Rating
125
125
125
125
125
60
60
60
60
60
60
60
60
32
32
32
32
32
Nominal
Resistance
Cold Ohms
7.0
1.75
0.665
0.395
0.304
0.167
0.109
0.0603
0.0440
0.0340
0.0270
0.0220
0.0190
0.0145
0.0085
0.0055
0.0044
0.0033
Nominal
Melting I
2
t
A
2
Sec.
0.0000750
0.00163
0.0106
0.0254
0.0546
0.155
0.281
0.650
0.421
0.721
1.23
1.65
2.35
3.90
10.5
24.2
45.5
70.1
.236"
.117"
.071"
MIN.
.080" MAX
.070"
.096"
RECOMMENDED
PAD LAYOUT
.067"
MAX.
.225"
MAX.
Average Time Current Curves
100
10
1
0.1
0.01
0.001
0.05 0.1
1/4A
3/8A
1/2A
3/4A
1A
1 1/2A
2A
2 1/2A
3A
3 1/2A
4A
5A
7A
10A
12A
15A
1
10
100
CURRENT IN AMPERES
1/16A
1/8A
1000
27
1
