參數(shù)資料
型號： R45201.5
廠商： Littelfuse, Inc.
英文描述： NANO2 SIO-BIO Fuse 452/454 Series
中文描述： 亞硝酸鈉二氧化硅生物科技保險絲四百五十四分之四百五十二系列
文件頁數(shù)： 1/1頁
文件大?。?/td> 110K
代理商： R45201.5
7
S
F
269
Surface Mount Fuses
Subminiature Surface Mount
www.littelfuse.com
NANO
2
Slo-Blo
Fuse 452/454 Series
Tin-Lead
Plated
Catalog #
R452
.375
R452
.500
R452
.750
R452
001.
R452
01.5
R452
002.
R452
02.5
R452
003.
R452
03.5
R452
004.
R452
005.
Silver
Plated
Catalog #
0454
.375
0454
.500
0454
.750
0454
001.
0454
01.5
0454
002.
0454
02.5
0454
003.
0454
03.5
0454
004.
0454
005.
Nominal
Resistance Melting I
2
t
Cold Ohms
1.20
0.700
0.360
0.225
0.0930
0.0625
0.0450
0.0340
0.0224
0.0186
0.0136
Nominal
Ampere
Rating
3/8
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
125
A
2
Sec.
0.101
0.240
0.904
1.98
3.65
8.20
15.0
20.16
26.53
34.40
53.72
The NANO
2
Slo-Blo fuse has enhanced inrush withstand characteristics
over the NANO
2
Fast-Acting fuse.The unique time delay feature of this
fuse design helps solve the problem of nuisance
“
opening
”
by accommo-
dating inrush currents that normally cause a fast-acting fuse to open.
ELECTRICAL CHARACTERISTICS:
% of Ampere
Rating
100%
4 hours,
Min
imum
200%
1 second,
Min.;
60 seconds,
Max.
300%
0.2 seconds,
Min.;
3 seconds,
Max.
800%
0.02 seconds,
Min.;
0.1 seconds,
Max
.
AGENCY APPROVALS:
Recognized under the Components Program
of Underwriters Laboratories and Certified by CSA.
AGENCY FILE NUMBERS:
UL E10480, CSA LR 29862.
INTERRUPTING RATINGS:
50 amperes at 125 VAC/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, .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, (10,000 ohms minimum).
Resistance to Soldering Heat:
MIL-STD-202, Method 210,
(3 sec. at 260
°
C).
Thermal Shock:
MIL-STD-202, Method 107,
Test Condition B (
–
65 to 125
°
C).
Moisture Resistance:
MIL-STD-202, Method 106,
High Humidity (90-98 RH), Heat (65
°
C).
PHYSICAL SPECIFICATIONS:
Materials:
Body: Ceramic
Terminations: Tin-Lead Alloy or Silver
Plated Brass Caps.
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-
RS481-1 (IEC 286, part 3); 1,000 per reel; 5,000 piece reel also available.
Marking:
The 452/454 series Slo-Blo fuse marking includes the letter
“
T
”
to designate time delay characteristics.
PATENTED
ORDERING INFORMATION:
Opening
Time
1000
100
10
1
0.1
0.01
1000
100
10
1
0.1
3
1
3
1
1
2
2
3
3
4
5
T
CURRENT IN AMPERES
Refer to pg. 271 for SMF Omni-Blok
Holder, Series
154
000T.
Average Time Current Curves
1 A
T
6.86
(.270")
3.15
(.124")
2.95
(.116")
1.96
(.077")
Recommended pad layout
2.69
(.106")
2.69
(.106")
1.45
(.057")
6.10
(.240")
F
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參數(shù)描述
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