0454.375 [LITTELFUSE]
NANO2 SIO-BIO Fuse 452/454 Series; NANO2 SIO -BIO保险丝四百五十四分之四百五十二系列型号: | 0454.375 |
厂家: | LITTELFUSE |
描述: | NANO2 SIO-BIO Fuse 452/454 Series |
文件: | 总1页 (文件大小:112K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
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Surface Mount Fuses
Subminiature Surface Mount
NANO2® Slo-Blo® Fuse 452/454 Series
®
®
The NANO2 Slo-Blo fuse has enhanced inrush withstand characteristics
over the NANO2 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
Opening
Time
100%
200%
4 hours, Minimum
1 second, Min.; 60 seconds, Max.
300%
800%
0.2 seconds, Min.; 3 seconds, Max.
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:
6.86
(.270")
6.10
(.240")
F
3.15
(.124")
T
50 amperes at 125 VAC/VDC
1 A
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).
1.45
(.057")
2.95
(.116")
1.96
(.077")
2.69
(.106")
Recommended pad layout
2.69
(.106")
Average Time Current Curves
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).
7
1000
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.
100
10
PATENTED
ORDERING INFORMATION:
1
Tin-Lead
Plated
Silver
Nominal
Nominal
Plated Ampere Voltage Resistance Melting I2t
Catalog # Catalog # Rating
Rating Cold Ohms
A2 Sec.
0.1
R452.375 0454.375
R452.500 0454.500
R452.750 0454.750
3/8
1/2
3/4
125
125
125
1.20
0.700
0.360
0.101
0.240
0.904
R452 001. 0454 001.
R452 01.5 0454 01.5
1
125
125
0.225
0.0930
1.98
3.65
1
2
1 /
R452 002. 0454 002.
R452 02.5 0454 02.5
2
125
125
0.0625
0.0450
8.20
15.0
0.01
1
2
2 /
0.1
1
10
100
1000
R452 003. 0454 003.
R452 03.5 0454 03.5
3
125
125
0.0340
0.0224
20.16
26.53
CURRENT IN AMPERES
1
2
3 /
R452 004. 0454 004.
R452 005. 0454 005.
4
5
125
125
0.0186
0.0136
34.40
53.72
Refer to pg. 271 for SMF Omni-Blok® Holder, Series 154 000T.
269
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