0262.010V [LITTELFUSE]
262/268/269 Series, MICRO⢠Very Fast-Acting Fuse (High-Reliability); 262/268/269系列，微安?? ¢特快熔断保险丝（高可靠性）
| 型号： | 0262.010V |
| 厂家： | 
LITTELFUSE |
| 描述： | 262/268/269 Series, MICRO⢠Very Fast-Acting Fuse (High-Reliability) |
| 文件： | 总3页 (文件大小：160K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Radial Lead Fuses
MICRO™ > Very Fast-Acting > 262/268/269 Series
QPL
262/268/269 Series, MICRO™ Very Fast-Acting Fuse (High-Reliability)
Description
The 262/268/269 Series are high–reliability micro
fuses, with a 125V rating, very fast-acting type with
high breaking capacity. This series is listed under the
Department of Defense Quality Product List.
Features
tꢀꢀ.JMJUBSZꢀHSBEFꢀBWBJMBCMF
tꢀ "WBJMBCMFꢀJOꢀQMVHꢁJOꢀBOEꢀ
radial leaded
tꢀ "WBJMBCMFꢀGSPNꢀWFSZꢀMPXꢀ
ampere of 2mA to 5A
Applications
Agency Approvals
Protection of electrical, electronic, and communication
equipment having printed circuit boards (PCBs) usable
in direct current (DC) and alternating current (AC) (up
to 400 hertz (Hz)) circuits capable of withstanding and
functioning in extreme conditions found in Spacecraft or
Military applications as described in MIL-PRF-23419.
Agency
Agency File Number
Ampere Range
E10480
LR 29862
FM07A
2mA - 5A
2mA - 5A
2mA - 5A
Electrical Characteristics
QPL
% of Ampere
Ampere Rating
OpeningTime
Rating
100%
1/500–15
1/500–3/10
4/10-5
4 Hours, Min.
5 Seconds, Max.
2 Seconds, Max.
200%
Electrical Characteristics
Max
Agency Approvals
Ampere
Rating
(A)
Nominal Cold
Resistance
(Ohms)
Voltage
Rating
(V)
Interrupting
Amp Code
Rating
QPL
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
.002
.005
.010
.015
.031
.050
.062
.100
.125
.200
.250
.300
.400
.500
.600
.700
.750
.800
1.00
01.5
.002
.005
.010
.015
.031
.050
.062
.100
.125
.200
.250
.300
.400
.500
.600
.700
.750
.800
001.
01.5
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
2000
280
94.0
44.0
16.45
3.20
2.25
1.17
1.0
2.30
1.75
1.25
10,000 amperes at
125 VAC/VDC
0.227
0.167
0.140
0.114
0.104
0.094
0.100
0.063
0.046
0.034
0.019
0.018
2.00
3.00
4.00
5.00
002.
003.
004.
005.
Please contact Littelfuse for AverageTime Current Curve.
© 2009 Littelfuse, Inc.
262/268/269 Series
127
Revised: January 7, 2009
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/262.html,
/268.html or /269.html for current information.
Radial Lead Fuses
MICRO™ > Very Fast-Acting > 262/268/269 Series
Soldering Parameters -Wave Soldering
300
280
260
240
220
200
180
160
140
120
100
80
Recommended Process Parameters:
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
60
40
20
0
Recommended Hand-Solder Parameters:
Time (Seconds)
Solder IronTemperature: 350° C +/- 5°C
HeatingTime: 5 seconds max.
Preheat Time
Cooling Time
Dwell Time
Note: These devices are not recommended for IR or
Convection Reflow process.
Temperature Rerating Curve
Please contact Littelfuse for average time current curve.
© 2009 Littelfuse, Inc.
262/268/269 Series
128
Revised: January 7, 2009
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/262.html,
/268.html or /269.html for current information.
Radial Lead Fuses
MICRO™ > Very Fast-Acting > 262/268/269 Series
Product Characteristics
Gold-Plated Copper Leads, Type II
(Fuse cap is also Gold-Plated)
Operating Temperature –55ºC to +125ºC
(1/500): MIL-STD-202, Method 213,
Materials
Weight
262 and 269 Series .36 Grams;
268 Series .48 Grams
Test Condition A (50 G’s peak for
11 milliseconds). (1/200–5): MIL-
STD-202, Method 213, Test Condition
I (100 G’s peak for 6 milliseconds)
Shock
MIL-STD-202, Method 211, Test
Condition A (will withstand a 5 lb.
axial pull test)
Lead Pull Force
MIL-STD-202, Method 201 (10–55
Hz); MIL-STD-202, Method 204, Test
Condition C (55–2000 Hz at 10 G’s
Peak)
AQL (Electrical
Characteristics)
Vibration
Certified to 1% AQL
Sampling
Per MIL-STD-105, Inspection Level II
MIL-STD-202, Method 101, Test
Condition B
Salt Spray
Seal Test
Controlled by lot number and
retained on file for a minimum
of three years. Copies of Lot
Certification Test data available when
requested with order
Traceability and
Identification Records
MIL-STD-202, Method 112, Test
Condition A
Insulation Resistance
(After Opening)
MIL-STD-202, Method 302, Test
Condition A (1/2 Megohm minimum)
Special screening tests, burn-in, etc.
can be supplied on special order to
meet specific requirements
Options
MIL-STD-202, Method 107, Test
Condition B (–65ºC to 125ºC)
Thermal Shock
262 / 268 Series: Brand logo, current
and voltage ratings
269 Series: Brand logo, current and
voltage ratings and agency approval
mark
Moisture Resistance
MIL-STD-202, Method 106
262 Series is available in FM07A on
QPL for MIL-PRF-23419/7. To order,
change 262 to 269
Product Marking
Fuses to MIL SPEC
Dimensions
Part Numbering System
262 000 Series
268 000 Series
0262 xxxx V
4.32
5.97
(.235")
7.37
7.37
(.17")
(.29")
(.29")
25.4
Series
(1.0")
2.54
(.10")
Amp. Code
Refer to Amp Code column of
Electrical CharacteristicsTable
2.54 (.10")
Packaging Code
V = 5
Packaging
Quantity &
Packaging Code
Packaging Option
Packaging Specification
Quantity
Bulk
N / A
5
V
© 2009 Littelfuse, Inc.
262/268/269 Series
129
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/262.html,
/268.html or /269.html for current information.
Revised: January 7, 2009
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