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參數資料
| 型號： | 0455.400MR |
| 元件分類： | 保險絲 |
| 英文描述： | FAST BLOW ELECTRIC FUSE, 0.4A, 125VAC, 125VDC, 50A (IR), SURFACE MOUNT |
| 文件頁數： | 1/1頁 |
| 文件大小： | 73K |
| 代理商： | 0455.400MR |
376
Surface Mount Fuses
www .littelfuse .com
Subminiature Surface Mount
NANO
2 UMF Fast-Acting Fuse 455 Series
The Nano2 UMF Fuse is a very small, square surface mount fuse design.
Designed to International (IEC) Standards for use globally.
Meets IEC 60127-4 UMF specifications for Fast-Acting Fuses
RoHS Compliant version now available, use ordering suffix ‘L’
(see example on data sheet).
ELECTRICAL CHARACTERISTICS:
% of Ampere
Opening
Rating
Time
125%
1 hour, Minimum
200%
2 minutes, Maximum
1000%
0.001 sec, Min; .01 sec Max
AGENCY APPROVALS: Listed to IEC 60127-4, Universal Modular Fuse-
Links (UMF), 125V.
AGENCY FILE NUMBERS: UL E184655.
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).
Salt Spray: MIL-STD-202, Method 101, Test Condition B.
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, Test Condition B (10 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
RoHS Compliant Terminations: Gold over Nickel Plated Caps
.
Soldering Parameters:
Wave Solder — 260°C, 10 seconds maximum
Reflow Solder — 260°C, 30 seconds maximum
Solderability: MIL-STD-202, Method 208.
PACKAGING SPECIFICATIONS: 12mm Tape and Reel per
EIA-RS481-1 (IEC 286, part3); 1,000 pieces per reel, add packaging
suffix, MR; 5,000 per reel, add packaging suffix NR.
Options: For RoHS Compliant devices add the letter ‘L’ to end of packag-
ing suffix. Example: 0455001.NRL (RoHS Compliant 1A, 5,000 per reel).
PATENTED
ORDERING INFORMATION:
100
10
1
0.1
0.01
0.001
.5A
1A
1.6A
0.05 0.1
1
10
100
1000
TIME
IN
SECONDS
CURRENT IN AMPERES
.4A
Average Time Current Curves
F
1 A
2.69
(.106")
2.69
(.106")
1.45
(.057")
6.10
(.240")
Nominal
Catalog
Ampere
Voltage Cold Resistance
Melting I
2t
Number
Rating
(Ohms)
1
(A
2 sec)
0455.400
0.4
125
0.420
0.0795
0455.500
0.5
125
0.305
0.143
0455 001.
1.0
125
0.078
0.645
0455 01.6
1.6
125
0.0532
1.060
1Measured at 10% of rated current, 25°C.
6.86
(.270")
3.15
(.124")
2.95
(.116")
1.96
(.077")
Recommended pad layout
RoHS
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