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參數資料
| 型號： | 275020 |
| 廠商： | Littelfuse, Inc. |
| 元件分類： | 保險絲 |
| 英文描述： | Axial and Radial Lead Fuses |
| 中文描述： | 軸向和徑向引線保險絲 |
| 文件頁數： | 1/2頁 |
| 文件大?。?/td> | 84K |
| 代理商： | 275020 |
www.littelfuse.com
Axial and Radial Lead Fuses
Subminiature
PICO
Fuse
Very Fast-Acting Fuse 275L/276L Series
ELECTRICAL CHARACTERISTICS:
% of Ampere
Rating
Ampere
Rating
Opening
Time
100%
1/16-30
4 hours, Minimum
200%
1/16-10
5 second, Maximum
12-30
10 seconds, Maximum
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 VDC
50 amperes at rated VAC
ENVIRONMENTALSPECIFICATIONS:
Operating Temperature:
–55°C to 125°C.
Shock:
MIL-STD-202, Method 213, Test Condition I
(100 G’s peak for 6 milliseconds) and per method 2028 (78 G‘s
peak for 11 millseconds).
Vibration:
MIL-STD-202, Method 204A; Test Condition D (vibra-
tions of 10-2000 cps at 20 G‘s).
Insulation Resistance (After Opening):
MIL-STD-202, Method
302, Test Condition A (1/2 Megohm minimum).
Moisture Resistance:
MIL-STD-202, Method 106.
PHYSICALSPECIFICATIONS:
Materials:
Pure tin coated copper wire leads.
Solderability:
MIL-STD-202, Method 208.
Lead Pull Force:
MIL-STD-202, Method 211, Test Condition A
(will withstand a 5 lb. axial pull test).
VARIATIONS IN DESIGN:
Picofuses which differ from the stan-
dard versions as presented on this page can be provided for a
commercial or military use. One such design version is where
the picofuse terminates at one end of a pin for use as a single or
multi-pin connector. Extreme accuracy in blowing time at 300% or
more of rating, makes these picofuses suitable for use in circuits
where sequential switching or redundancy may be required. The
small size of the fuse, its non-hygroscopic characteristic and
infinitesimal weight makes it the ideal fuse for micro-electronic
circuits.
PATENTED
Average Time Current Curves
100
10
1
0.1
0.01
0.001
0.05 0.1
1
10
100
1000
T
CURRENT IN AMPERES
2
2
3
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