04490.375MR [LITTELFUSE]
Electric Fuse, Slow Blow, 0.375A, 125VAC, 125VDC, 50A (IR), Surface Mount, HALOGEN FREE AND ROHS COMPLIANT;
| 型号： | 04490.375MR |
| 厂家： | 
LITTELFUSE |
| 描述： | Electric Fuse, Slow Blow, 0.375A, 125VAC, 125VDC, 50A (IR), Surface Mount, HALOGEN FREE AND ROHS COMPLIANT |
| 文件： | 总4页 (文件大小：165K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Surface Mount Fuses
NANO2® > Slo-Blo® > 449 Series
PS
E
449 Series Fuse
Description
The lead free NANO2 Slo-Blo® fuse is RoHS compliant,
Halogen Free and 100% lead-free. This product is fully
compatible with lead-free solder alloys and higher
temperature profiles associated with lead-free assembly.
The Slo-Blo® design 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 accommodating inrush
currents that normally cause a fast-acting fuse to open.
Features
tꢀ -FBEꢂGSFFꢀBOEꢀ)BMPHFOꢀ tꢀ 8JEFꢀPQFSBUJOHꢀ
Agency Approvals
Free
temperature range
tꢀ 4MPꢂ#MP®
tꢀ -PXꢀUFNQFSBUVSFꢀ
AGENCY
AGENCY FILE NUMBER
E10480
AMPERE RANGE
375mA - 5A
de-rating
tꢀ 4NBMMꢀTJ[Fꢀ
tꢀ 8JEFꢀSBOHFꢀPGꢀDVSSFOUꢀ
ratings available
PS
E
NBK030205
1A - 5A
Applications
Secondary protection for space constrained applications:
tꢀ /PUFCPPLꢀ1$
tꢀ 5FMFDPNꢀTZTUFN
tꢀ 8JSFMFTTꢀCBTFTUBUJPO
tꢀ 8IJUFꢀHPPET
Electrical Characteristics for Series
tꢀ -$%ꢁ1%1ꢀ57ꢀ
tꢀ -$%ꢀNPOJUPS
% of Ampere
OpeningTime
4 hours, Minimum
tꢀ -$%ꢁ1%1ꢀQBOFM
tꢀ -$%ꢀCBDLMJHIUꢀJOWFSUFS
tꢀ 1PSUBCMFꢀ%7%ꢀQMBZFS
tꢀ 1PXFSꢀTVQQMZ
tꢀ (BNFꢀDPOTPMF
Rating
tꢀ 0GåDFꢀ"VUPNBUJPOꢀ
100%
equipment
200%
300%
800%
1 sec., Min.; 60 sec., Max.
0.2 sec., Min.; 3 sec., Max
0.02 sec., Min.; 0.1 sec., Max.
tꢀ #BUUFSZꢀDIBSHJOHꢀDJSDVJUꢀ
protection
tꢀ /FUXPSLJOHꢀ
tꢀ *OEVTUSJBMꢀFRVJQNFOU
tꢀ .FEJDBMꢀFRVJQNFOU
tꢀꢀ"VUPNPUJWF
tꢀ 1$ꢀTFSWFS
tꢀ $PPMJOHꢀGBOꢀTZTUFN
tꢀ 4UPSBHFꢀTZTUFN
Electrical Specifications by Item
Max
Agency Approvals
Ampere
Rating
(A)
Nominal Cold
Resistance
(Ohms)
Nominal
Melting
Voltage
Interrupting
Rating
Amp Code
PS
E
Rating
(V)
I2t (A2sec)
0.375
0.500
0.750
1.00
0.375
0.500
0.750
001.
125
125
125
125
125
125
125
125
125
125
125
1.5130
0.7633
0.4080
0.2516
0.1186
0.0708
0.0400
0.0352
0.0261
0.0227
0.0171
0.088
0.258
0.847
1.76
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
50 amperes @125 VAC/
VDC
1.50
01.5
4.70
2.00
2.50
3.00
3.50
4.00
5.00
002.
02.5
003.
03.5
004.
005.
6.76
PSE: 100 amperes
@100 VAC
13.18
19.55
32.70
40.80
59.59
Notes: - l2t calculated at 8ms. Resistance is measured at 10% of rated current, 25ºC
© 2009 Littelfuse, Inc.
449 Series
53
Revised: December 17, 2010
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/449.html for current information.
Surface Mount Fuses
®
NANO2® > Slo-Blo > 449 Series
Temperature Rerating Curve
AverageTime Current Curves
1000
100
10
1
Note:
1. Derating depicted in this curve is in addition to the standard derating of 25% for
continuous operation.
0.1
0.01
0
1
10
100
CURRENT IN AMPERES
Soldering Parameters
tP
Reflow Condition
-Temperature Min (Ts(min)
Pb – Free assembly
TP
Critical Zone
Ramp-up
TL to TP
)
150°C
TL
Pre Heat -Temperature Max (Ts(max)
)
200°C
tL
TS(max)
-Time (Min to Max) (ts)
60 – 120 secs
Ramp-down
Average ramp up rate (LiquidusTemp
(TL) to peak
Preheat
3°C/second max.
TS(min)
tS
TS(max) toTL - Ramp-up Rate
3°C/second max.
217°C
-Temperature (TL) (Liquidus)
Reflow
25
time to peak temperature
(t 25ºC to peak)
-Temperature (tL)
60 – 90 seconds
250+0/-5 °C
Time
PeakTemperature (TP)
Time within 5°C of actual peak
Temperature (tp)
20 – 40 seconds
Ramp-down Rate
5°C/second max.
8 minutes max.
260°C
Time 25°C to peakTemperature (TP)
Do not exceed
ꢃꢄꢅ¡$ꢀ1FBLꢀ
Temperature,
3 seconds max.
Wave Soldering Parameters
© 2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/449.html for current information.
449 Series
54
Surface Mount Fuses
NANO2® > Slo-Blo® > 449 Series
Product Characteristics
Body: Ceramic
Terminations:ꢀꢀ(PMEꢂQMBUFEꢀ$BQT
.* ꢂ45%ꢂꢃꢅꢃꢇꢀ.FUIPEꢀꢆꢅ ꢇꢀ5FTUꢀ
Condition B, 5 cycles, -65°C to
125°C, 15 minutes @ each extreme
.* ꢂ45%ꢂꢃꢅꢃꢇꢀ.FUIPEꢀꢃꢆꢉꢇꢀ5FTUꢀ*ꢋꢀ
%FFOFSHJ[FEꢌꢀꢀꢆꢅꢅ(ꢍTꢀQLꢀBNQMJUVEFꢇꢀ
sawtooth wave 6ms duration, 3
DZDMFTꢀ9:;ꢎYZ[ꢀꢏꢀꢆꢈꢀTIPDLT
.* ꢂ45%ꢂꢃꢅꢃꢇꢀ.FUIPEꢀꢃꢅꢆꢋꢀꢅꢌꢅꢉꢐꢀ
BNQMJUVEFꢇꢀꢆꢅꢂꢑꢑꢀ)[ꢀJOꢀꢆꢀNJOꢌꢀꢀꢃISTꢀ
FBDIꢀ9:;ꢏꢄIST
Materials
Thermal Shock
Mechanical Shock
Vibration
Product Marking
Brand, Amperage Rating
-55°C to 125°C
Operating
Temperature
Moisture
Sensitivity Level
-FWFMꢀꢆꢇꢀ+ꢂ45%ꢂꢅꢃꢅ$
.* ꢂ45%ꢂꢃꢅꢃꢇꢀ.FUIPEꢀꢃꢅꢈ
Solderability
Moisture Resistance
Salt Spray
.* ꢂ45%ꢂꢃꢅꢃꢇꢀ.FUIPEꢀꢆꢅꢄꢇꢀꢆꢅꢀDZDMFT
Insulation
Resistance (after
Opening)
.* ꢂ45%ꢂꢃꢅꢃꢇꢀ.FUIPEꢀꢉꢅꢃꢇꢀ5FTUꢀ$POEJUJPOꢀ
A (10,000 ohms minimum)
.* ꢂ45%ꢂꢃꢅꢃꢇꢀ.FUIPEꢀꢆꢅꢆꢇꢀ5FTUꢀ
Condition B (48hrs)
Resistance to Soldering
Heat
.* ꢂ45%ꢂꢃꢅꢃꢇꢀ.FUIPEꢀꢃꢆꢅꢇꢀ5FTUꢀ
condition B (10 sec at 260°C)
Dimensions
Part Numbering System
6.86
(.270")
6.10
(.240")
0449 001. M R
SERIES
F
3.15
(.124")
T
1 A
AMP Code*
Refer to Electrical charac-
teristics table
1.45
(.057")
2.95
(.116")
1.96
(.077")
2.69
(.106")
QUANTITY Code
.ꢀꢏꢀꢆꢅꢅꢅꢀQDT
Recommended pad layout
2.69
(.106")
PACKAGING Code
3ꢀꢏꢀ5BQFꢀBOEꢀ3FFM
*Example:
0.375 Amp product is 0449.375MR
(1 amp product shown above).
Packaging
Quantity &
Packaging Option
12mmTape and Reel
Packaging Specification
Quantity
Packaging Code
&*"ꢀ34ꢂꢒꢈꢆꢂꢃꢀꢓ*&$ꢀꢃꢈꢄꢇꢀQBSUꢀꢉꢔ
1000
MR
© 2009 Littelfuse, Inc.
449 Series
55
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/449.html for current information.
© 2009 Littelfuse, Inc.
56
Specifications are subject to change without notice.
相关型号：
04490.500MR
Electric Fuse, Slow Blow, 0.5A, 125VAC, 125VDC, 50A (IR), Surface Mount, HALOGEN FREE AND ROHS COMPLIANT
LITTELFUSE
04490.750MR
Electric Fuse, Slow Blow, 0.75A, 125VAC, 125VDC, 50A (IR), Surface Mount, HALOGEN FREE AND ROHS COMPLIANT
LITTELFUSE
©2020 ICPDF网 联系我们和版权申明