275030.VRT1L [LITTELFUSE]
Electric Fuse,;型号: | 275030.VRT1L |
厂家: | LITTELFUSE |
描述: | Electric Fuse, 电路保护 |
文件: | 总3页 (文件大小:549K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
Axial Lead & Cartridge Fuses
PICO® > Very Fast-Acting Fuse > 275 Series
275 Series, PICO® Very Fast-Acting Fuse
RoHS
Description
The PICO® Very Fast-Acting Fuse is designed to meet an
extensive array of performance characteristics in a
space-saving subminiature package.
Features
• Very fast-acting
• Small size
• RoHS compliant
• Wide operating
temperature range
• High current rating
(20A- 30A)
• Low temperature rerating
Applications
Agency Approvals
• Power supply
• PC server
• Networking equipment
• Storage system
Agency
Agency File Number
Ampere Range
E10480
20A - 30A
Electrical Characteristics
% of Ampere
Rating
Additional Information
Ampere Rating
20A - 30A
20A - 30A
OpeningTime
100%
200%
4 Hours, Min.
10 Seconds, Max.
ꢀatasꢁeet
ꢀesꢁurꢂes
ꢀaꢁꢂles
Electrical Characteristics
Agency
Approvals
Max
Voltage
Rating
(V)
Ampere
Rating
(A)
Nominal Cold
Resistance
(Ohms)
Nominal
Ordering
Number
Interrupting
Amp Code
Melting
Rating
I2t (A2 sec)
20.0
25.0
30.0
020.
025.
030.
0275020.
0275025.
0275030.
32
32
32
0.0033
0.0024
0.0020
203
288
355
x
x
x
300A@32VDC
100A@32VAC
© 2018 Littelfuse, Inc.
Application testing is strongly recommended. Specifications are subject to change without notice.
Revised: 02/15/18
Axial Lead & Cartridge Fuses
PICO® > Very Fast-Acting Fuse > 275 Series
Temperature Re-rating Curve
AverageTime Current Curves
100
10
1
0.1
Note:
Rerating depicted in this curve is in addition to the standard derating of 25% for
continuous operation.
0.01
Soldering Parameters
0.001
Recommended Process Parameters:
0.05 0.1
1
10
100
1000
CURRENT IN AMPERES
Wave Parameter
Preheat:
(Depends on Flux ActivationTemperature)
Temperature Minimum:
Temperature Maximum:
PreheatTime:
Lead-Free Recommendation
(Typical Industry Recommendation)
100°C
150°C
60-180 seconds
Solder PotTemperature:
Solder DwellTime:
260°C Maximum
2-5 seconds
Recommended Hand-Solder Parameters:
Solder IronTemperature: 350°C +/- 5°C
HeatingTime: 5 seconds max.
Note:These devices are not recommended for IR or
Convection Reflow process.
© 2018 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 02/15/18
Axial Lead & Cartridge Fuses
PICO® > Very Fast-Acting Fuse > 275 Series
Product Characteristics
Transparent Polyvinylidene Fluoride
Operating Temperature –60ºC to +125ºC (Consider re-rating)
Materials
sleeve covered body, pure tin plated
copper wire leads
MIL-STD-202, Method 213, Test
Condition I (100 G’s peak for 6
Shock
Solderability
MIL-STD-202, Method 208
milliseconds) and per method 2028
(78G’s peak for 11 milliseconds)
MIL-STD-202, Method 211, Test Condition
A (will withstand a 5lbs. axial pull test)
Lead Pull Force
MIL-STD-202, Method 201 (10–55
Hz); Method 204, Test Condition D
(Vibrations of 10-2000 cps at 20 G’s)
Vibration
Moisture Resistance
MIL-STD-202, Method 106
Part Numbering System
Dimensions
275 000 Series
0275 xxxx M R T1 L
Series
275
B
B
A
C
Current Rating
Refer to Amp Code column of
Electrical Characteristics Table
3/4 A
DIA.
D
Transparent
Insulating Sleeve
Quantity
M = 1000
V = 5
Type of Packaging
R = Reel
X = Loose Pack
Dimensions in mm (inches)
Amperage
20 - 30
A
B
C
D
7.87
(.31")
27.78
(1.094")
3.38
1.016
(.133") (.040")
Lead Length
T1 = 52.4mm (2.062”)
Blank = For Loose pack (MXL,VXL)
RoHS
Only RoHS parts are available for
275 Series
Packaging
Quantity &
Packaging Code
Packaging Option
Packaging Specification
Please refer to available quantities above in “Part
Numbering System”
T1: 52.4mm (2.062")Tape and Reel
EIA 296
The default lead length for loose pack isT1.
Disclaimer Notice - Information furnished is believed to be accurate and reliable. However, users should independently evaluate the suitability of and
test each product selected for their own applications. Littelfuse products are not designed for, and may not be used in, all applications.
Read complete Disclaimer Notice at www.littelfuse.com/disclaimer-electronics.
© 2018 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 02/15/18
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